:root {
  --school-blue: #107ec6;
  --school-blue-deep: #3b5998;
  --brand-primary: #0f75b9;
  --brand-primary-hover: #0d70b1;
  --brand-primary-active: #0b659f;
  --brand-secondary: #3b5998;
  --brand-50: #f3f9fd;
  --brand-100: #e5f3fb;
  --brand-200: #c8e7f7;
  --background: #f7fafc;
  --surface: #ffffff;
  --surface-subtle: #f9fbfd;
  --border: #dce4ea;
  --border-subtle: #e9eef2;
  --text-primary: #17212b;
  --text-secondary: #53616e;
  --text-muted: #74818e;
  --success: #15805d;
  --success-bg: #edfaf4;
  --warning: #a86b00;
  --warning-bg: #fff8e6;
  --danger: #ba3737;
  --danger-bg: #fff4f4;
  --info: #107ec6;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-float: 0 12px 32px rgb(23 33 43 / 12%);
  --shadow-dialog: 0 24px 64px rgb(23 33 43 / 18%);
  --ease-standard: cubic-bezier(.2, .75, .3, 1);
  --duration-fast: 120ms;
  --duration-base: 180ms;
  --sidebar-width: 236px;
  color: var(--text-primary);
  background: var(--background);
  font-family: "Be Vietnam Pro", ui-sans-serif, system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-width: 320px; background: var(--background); }
body { min-width: 320px; min-height: 100dvh; margin: 0; background: var(--background); font-size: 15px; line-height: 1.58; }
button, input, select { font: inherit; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .58; }
a { color: var(--brand-primary); text-underline-offset: 3px; }
p { margin: 0; }
h1, h2, h3 { margin: 0; color: var(--text-primary); font-weight: 600; letter-spacing: -.025em; }
h1 { font-size: clamp(1.82rem, 4.2vw, 2.65rem); line-height: 1.18; }
h2 { font-size: 1.22rem; line-height: 1.3; }
h3 { font-size: 1rem; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }

.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 9px 12px; color: var(--text-primary); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-float); transform: translateY(-160%); transition: transform var(--duration-base) var(--ease-standard); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

:focus-visible { outline: 3px solid rgb(16 126 198 / 40%); outline-offset: 3px; }

.startup-screen, .auth-screen { display: grid; min-height: 100dvh; padding: 24px; place-items: center; }
.startup-screen { gap: 12px; color: var(--text-secondary); }
.startup-mark { display: grid; width: min(528px, calc(100vw - 48px)); aspect-ratio: 11 / 9; place-items: center; color: var(--school-blue); animation: startup-pulse 2.4s ease-in-out infinite; }
.startup-mark .brand-logo { width: 100%; height: 100%; }
@keyframes startup-pulse { 50% { opacity: .82; transform: scale(.975); } }

.auth-screen { position: relative; overflow: hidden; background: var(--surface); }
.auth-screen::before { position: absolute; z-index: 0; inset: 0; content: ""; background: radial-gradient(circle at 12% 10%, rgb(16 126 198 / 11%), transparent 34%), radial-gradient(circle at 89% 93%, rgb(59 89 152 / 10%), transparent 30%); }
.auth-panel { position: relative; display: grid; z-index: 1; grid-template-columns: minmax(280px, 528px) minmax(0, 420px); gap: clamp(32px, 6vw, 96px); align-items: center; width: min(1120px, 100%); }
.auth-art { position: relative; display: grid; width: clamp(264px, 37vw, 528px); aspect-ratio: 1; place-items: center; border-radius: 38% 62% 55% 45% / 46% 40% 60% 54%; background: linear-gradient(135deg, var(--school-blue), var(--school-blue-deep)); box-shadow: 0 20px 60px rgb(16 126 198 / 22%); animation: auth-art-float 7.2s var(--ease-standard) infinite; will-change: transform; }
.auth-art::after { position: absolute; width: 72%; height: 72%; content: ""; border: 1px solid rgb(255 255 255 / 38%); border-radius: inherit; }
.auth-mark { z-index: 1; width: clamp(96px, 12vw, 160px); height: clamp(96px, 12vw, 160px); padding: clamp(12px, 1.4vw, 20px); color: var(--school-blue-deep); background: white; border-radius: clamp(24px, 3vw, 38px); animation: auth-mark-float 5.6s var(--ease-standard) infinite; box-shadow: 0 12px 24px rgb(23 33 43 / 13%); will-change: transform; }
.auth-mark .brand-mark { width: 100%; height: 100%; color: inherit; background: transparent; border-radius: 0; }
.auth-orbit { position: absolute; border: 1px solid rgb(16 126 198 / 22%); border-radius: 999px; will-change: transform; }
.orbit-one { width: 116%; height: 48%; animation: auth-orbit-one 9s linear infinite; }
.orbit-two { width: 85%; height: 130%; animation: auth-orbit-two 12s linear infinite; }
.auth-copy { max-width: 420px; animation: auth-copy-enter 420ms var(--ease-standard) both; }
.auth-copy h1 { margin-top: 2px; font-size: clamp(2.25rem, 6vw, 3.35rem); }
.auth-copy > p:not(.eyebrow):not(.auth-note) { margin: 12px 0 28px; color: var(--text-secondary); font-size: clamp(1.12rem, 2vw, 1.28rem); line-height: 1.55; }
.auth-note { margin-top: 14px; color: var(--text-muted); font-size: .8rem; }
.environment-notice { display: flex; width: min(720px, 100%); min-height: 40px; padding: 9px 12px; align-items: center; gap: 9px; color: #714b00; background: var(--warning-bg); border: 1px solid #e7c46c; border-radius: var(--radius-sm); font-size: .82rem; line-height: 1.45; }
.environment-notice strong { flex: 0 0 auto; color: inherit; font-size: .76rem; font-weight: 600; letter-spacing: .08em; }
.environment-notice span { min-width: 0; }
.auth-screen > .environment-notice { position: absolute; z-index: 2; top: 16px; right: 16px; left: 16px; width: auto; max-width: 720px; margin: 0 auto; }
.main-content > .environment-notice { margin: 0 0 20px; }
.c10x-runtime-diagnostic { width: min(760px, calc(100% - 32px)); padding: 18px; margin: 16px auto 0; color: var(--text-primary); background: var(--surface); border: 1px solid var(--brand-200); border-radius: var(--radius-md); box-shadow: var(--shadow-float); }
.c10x-runtime-diagnostic-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.c10x-runtime-diagnostic-heading h1 { font-size: 1.28rem; }
.c10x-runtime-diagnostic-rows { display: grid; grid-template-columns: minmax(170px, .8fr) minmax(0, 1.2fr); margin: 0; border-top: 1px solid var(--border-subtle); }
.c10x-runtime-diagnostic-rows dt, .c10x-runtime-diagnostic-rows dd { padding: 7px 0; margin: 0; border-bottom: 1px solid var(--border-subtle); font-size: .8rem; }
.c10x-runtime-diagnostic-rows dt { color: var(--text-secondary); font-weight: 600; }
.c10x-runtime-diagnostic-rows dd { color: var(--text-primary); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }
.c10x-runtime-diagnostic-copy-status { min-height: 20px; margin-top: 8px; color: var(--text-secondary); font-size: .78rem; }
.google-button { width: 100%; gap: 12px; transition: color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard); }
.google-button:hover:not(:disabled) { box-shadow: 0 8px 18px rgb(15 117 185 / 22%); transform: translateY(-1px); }
.google-button-logo { width: 24px; height: 24px; flex: 0 0 24px; }
.google-signin-control { display: grid; width: min(400px, 100%); gap: 8px; }
.auth-signin-status { min-height: 20px; margin: 0; color: var(--text-muted); font-size: .8rem; line-height: 1.45; }
@keyframes auth-art-float { 0%, 100% { transform: translate3d(0, 0, 0) rotate(-1deg); } 50% { transform: translate3d(0, -10px, 0) rotate(1deg); } }
@keyframes auth-mark-float { 0%, 100% { transform: translate3d(0, 0, 0) rotate(-5deg); } 50% { transform: translate3d(0, -6px, 0) rotate(-2deg); } }
@keyframes auth-orbit-one { from { transform: rotate(-28deg) scale(1); } 50% { transform: rotate(-14deg) scale(1.025); } to { transform: rotate(-28deg) scale(1); } }
@keyframes auth-orbit-two { from { transform: rotate(38deg) scale(1); } 50% { transform: rotate(52deg) scale(.98); } to { transform: rotate(38deg) scale(1); } }
@keyframes auth-copy-enter { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

.app-layout { display: grid; min-height: 100dvh; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; display: flex; height: 100dvh; padding: 22px 14px; flex-direction: column; background: var(--surface); border-right: 1px solid var(--border-subtle); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text-primary); font-size: 1rem; font-weight: 600; letter-spacing: -.025em; text-decoration: none; }
.brand-link { width: max-content; }
.brand-mark { display: inline-flex; width: 42px; height: 34px; align-items: center; justify-content: center; color: var(--school-blue); flex: 0 0 auto; }
.brand-logo { display: block; object-fit: contain; object-position: center; }
.sidebar .brand-logo { width: 88px; height: 72px; }
.primary-nav { display: grid; gap: 4px; margin-top: 42px; }
.sidebar-bottom { display: grid; gap: 4px; margin-top: auto; }
.sidebar-copyright { margin: 12px 12px 0; color: var(--text-secondary); font-size: .8rem; letter-spacing: .015em; line-height: 1.4; }
.nav-link, .nav-button { display: inline-flex; min-height: 44px; padding: 10px 12px; align-items: center; gap: 12px; color: var(--text-secondary); background: transparent; border: 0; border-radius: 10px; font-size: .92rem; font-weight: 500; text-align: left; text-decoration: none; transition: color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard); }
.nav-link svg, .nav-button svg { width: 19px; height: 19px; }
.nav-link:hover, .nav-button:hover { color: var(--brand-primary); background: var(--brand-50); }
.nav-link.is-active { color: var(--brand-primary); background: var(--brand-50); font-weight: 600; }
.nav-button { width: 100%; }

.mobile-topbar, .bottom-nav { display: none; }
.main-content { width: min(1460px, 100%); padding: clamp(28px, 4vw, 52px); margin: 0 auto; overflow: visible; }
.page-heading { display: grid; gap: 8px; max-width: 760px; margin-bottom: 30px; }
.page-heading > .muted { max-width: 65ch; }
.calendar-heading { max-width: none; grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
.eyebrow { color: var(--brand-primary); font-size: .72rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }
.muted, .page-heading > p:not(.eyebrow) { color: var(--text-secondary); }

.button { display: inline-flex; min-height: 42px; padding: 9px 14px; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 10px; font-size: .9rem; font-weight: 600; line-height: 1.25; text-decoration: none; transition: color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard); }
.button svg { width: 17px; height: 17px; }
.button-primary { color: #fff; background: var(--brand-primary); border-color: var(--brand-primary); }
.button-primary:hover:not(:disabled) { background: var(--brand-primary-hover); border-color: var(--brand-primary-hover); }
.button-primary:active:not(:disabled) { background: var(--brand-primary-active); }
.button-secondary { color: var(--brand-primary); background: var(--surface); border-color: var(--border); }
.button-secondary:hover:not(:disabled) { background: var(--brand-50); border-color: var(--brand-200); }
.button-ghost { color: var(--text-secondary); background: transparent; border-color: transparent; }
.button-ghost:hover:not(:disabled) { color: var(--brand-primary); background: var(--brand-50); }
.button-danger { color: white; background: var(--danger); border-color: var(--danger); }
.button-danger:hover:not(:disabled) { background: #a52f2f; border-color: #a52f2f; }
.button-text { padding-inline: 4px; color: var(--danger); background: transparent; border-color: transparent; }
.button-text:hover:not(:disabled) { background: var(--danger-bg); }
.button-small { min-height: 36px; padding: 6px 10px; font-size: .84rem; }
.button.is-pending::before { width: 14px; height: 14px; content: ""; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .75s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.status-badge { display: inline-flex; min-height: 28px; padding: 4px 8px; align-items: center; gap: 6px; border-radius: 999px; font-size: .76rem; font-weight: 600; white-space: nowrap; }
.status-badge svg { width: 14px; height: 14px; }

.calendar-toolbar { display: flex; min-height: 64px; padding: 10px 12px; align-items: center; justify-content: space-between; gap: 16px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); }
.staging-schedule-notice { display: flex; max-width: 980px; padding: 16px; align-items: center; justify-content: space-between; gap: 20px; margin: -10px 0 18px; color: #164d70; background: var(--brand-50); border: 1px solid var(--brand-200); border-radius: var(--radius-md); }
.staging-schedule-notice > div:first-child { display: grid; min-width: 0; gap: 5px; }
.staging-schedule-notice h2 { color: var(--text-primary); font-size: 1rem; }
.staging-schedule-notice p:not(.eyebrow) { max-width: 72ch; color: var(--text-secondary); font-size: .84rem; }
.staging-schedule-actions { display: flex; flex: 0 0 auto; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.staging-calendar-toolbar { min-height: 76px; }
.staging-capability-list { display: grid; gap: 2px; color: var(--text-secondary); font-size: .8rem; line-height: 1.45; }
.staging-capability-list strong { color: var(--text-primary); font-weight: 600; }
.range-picker { display: grid; min-width: 0; gap: 5px; }
.range-picker-label { color: var(--text-secondary); font-size: .71rem; font-weight: 600; letter-spacing: .055em; text-transform: uppercase; }
.range-options { display: inline-flex; width: max-content; max-width: 100%; padding: 3px; align-items: center; gap: 2px; overflow-x: auto; background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-radius: 10px; }
.range-option { min-height: 36px; padding: 6px 10px; color: var(--text-secondary); background: transparent; border: 1px solid transparent; border-radius: 7px; font-size: .8rem; font-weight: 600; line-height: 1.25; white-space: nowrap; transition: color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard); }
.range-option:hover:not([aria-disabled="true"]) { color: var(--brand-primary); background: var(--brand-50); }
.range-option.is-selected { color: var(--brand-primary); background: var(--surface); border-color: var(--border-subtle); box-shadow: 0 1px 2px rgb(23 33 43 / 8%); }
.range-option-debug { color: var(--warning); }
.range-option-debug.is-selected { color: #805000; background: var(--warning-bg); border-color: #f0d79d; }
.range-debug-note { margin: 0; color: var(--warning); font-size: .73rem; line-height: 1.35; }
.calendar-operation-status { display: flex; min-height: 42px; padding: 10px 12px; align-items: center; gap: 8px; color: var(--brand-primary); background: var(--brand-50); border: 1px solid var(--brand-200); border-radius: var(--radius-sm); font-size: .82rem; font-weight: 500; }
.calendar-operation-status svg { width: 17px; height: 17px; flex: 0 0 auto; animation: spin .75s linear infinite; }
[data-calendar-control][aria-disabled="true"] { cursor: progress; opacity: .58; }
[data-calendar-control][aria-disabled="true"]:hover { color: inherit; background: inherit; border-color: inherit; transform: none; }
.toolbar-actions, .inline-actions, .form-actions, .dialog-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.toolbar-actions { justify-content: flex-end; }

.calendar-frame { margin-top: 20px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; }
.calendar-controls { display: flex; min-height: 64px; padding: 12px 14px; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border-subtle); }
.date-controls { display: flex; min-width: 0; align-items: center; gap: 4px; }
.date-controls strong { padding-left: 6px; overflow: hidden; font-size: .9rem; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.icon-button { display: inline-grid; width: 40px; height: 40px; padding: 0; place-items: center; color: var(--text-secondary); background: transparent; border: 1px solid transparent; border-radius: 9px; transition: color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard); }
.icon-button:hover { color: var(--brand-primary); background: var(--brand-50); border-color: var(--brand-100); }
.icon-button svg { width: 19px; height: 19px; }
.view-switch { display: inline-flex; padding: 3px; background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-radius: 10px; }
.view-button { min-height: 32px; padding: 5px 10px; color: var(--text-secondary); background: transparent; border: 0; border-radius: 7px; font-size: .82rem; font-weight: 600; }
.view-button[aria-pressed="true"] { color: var(--brand-primary); background: var(--surface); box-shadow: 0 1px 2px rgb(23 33 43 / 8%); }
.cache-message { min-height: 20px; padding: 7px 16px 0; color: var(--text-muted); font-size: .78rem; }
.timestamp-detail { position: relative; display: inline-flex; max-width: 100%; vertical-align: top; }
.timestamp-trigger { min-height: 32px; padding: 0; color: inherit; background: transparent; border: 0; border-bottom: 1px dashed currentColor; border-radius: 3px; font: inherit; text-align: left; text-underline-offset: 3px; }
.timestamp-trigger:hover, .timestamp-trigger:focus-visible { color: var(--brand-primary); }
.timestamp-popover { position: absolute; z-index: 40; top: calc(100% + 7px); left: 0; width: max-content; max-width: min(330px, calc(100vw - 48px)); padding: 9px 10px; color: #fff; background: var(--text-primary); border-radius: 8px; box-shadow: var(--shadow-float); font-size: .78rem; line-height: 1.45; opacity: 0; pointer-events: none; transform: translateY(-4px); transition: opacity var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard); }
.timestamp-detail:hover .timestamp-popover, .timestamp-detail:focus-within .timestamp-popover, .timestamp-detail.is-open .timestamp-popover { opacity: 1; transform: translateY(0); }
.calendar-scroller { overflow-x: auto; overscroll-behavior-inline: contain; }
.week-calendar { min-width: 950px; }
.week-header, .week-body { display: grid; grid-template-columns: 62px repeat(7, minmax(120px, 1fr)); }
.week-header { border-bottom: 1px solid var(--border-subtle); }
.time-corner { min-height: 54px; border-right: 1px solid var(--border-subtle); }
.day-heading { display: grid; min-height: 54px; padding: 7px 8px; place-items: center; border-right: 1px solid var(--border-subtle); color: var(--text-secondary); font-size: .72rem; text-align: center; }
.day-heading strong { display: grid; width: 27px; height: 27px; margin-top: 1px; place-items: center; color: var(--text-primary); border-radius: 999px; font-size: .87rem; }
.day-heading.is-today strong { color: white; background: var(--brand-primary); }
.week-body { min-height: 720px; }
.time-axis { display: grid; grid-template-rows: repeat(11, 1fr); padding-top: 0; color: var(--text-muted); border-right: 1px solid var(--border-subtle); font-size: .67rem; text-align: center; }
.time-axis span { height: 1px; transform: translateY(-8px); }
.day-column { position: relative; min-height: 720px; border-right: 1px solid var(--border-subtle); background-image: repeating-linear-gradient(to bottom, transparent 0, transparent calc(10% - 1px), var(--border-subtle) calc(10% - 1px), var(--border-subtle) 10%); }
.calendar-event { position: absolute; z-index: 2; top: var(--event-top); left: 4px; width: calc(100% - 8px); min-height: var(--event-height); padding: 5px 6px; overflow: hidden; color: #12374e; border: 0; border-left: 3px solid currentColor; border-radius: 5px; font-size: .68rem; line-height: 1.35; text-align: left; transition: filter var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard); }
.calendar-event:hover { filter: saturate(1.18); transform: translateY(-1px); }
.calendar-event strong, .calendar-event span { display: block; overflow: hidden; text-overflow: ellipsis; }
.calendar-event strong { display: -webkit-box; overflow-wrap: anywhere; font-weight: 600; line-clamp: 2; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.calendar-event span { white-space: nowrap; }
.calendar-event span { margin-top: 2px; opacity: .75; }
.tone-0 { color: #1576a7; background: #dff2fb; }
.tone-1 { color: #3d5f9f; background: #e7edfc; }
.tone-2 { color: #267b8f; background: #e0f3f5; }
.tone-3 { color: #46718f; background: #e8f0f7; }
.tone-4 { color: #176b88; background: #dff0f8; }
.tone-5 { color: #506899; background: #e9edf9; }
.calendar-empty, .calendar-placeholder { display: grid; min-height: 410px; padding: 42px 24px; place-items: center; align-content: center; gap: 12px; color: var(--text-secondary); text-align: center; }
.calendar-empty svg { width: 38px; height: 38px; color: var(--brand-primary); }
.calendar-empty p { max-width: 46ch; }

.four-week-calendar { display: grid; grid-template-columns: repeat(7, minmax(112px, 1fr)); min-width: 784px; border-top: 1px solid var(--border-subtle); }
.four-week-day-label { padding: 8px; color: var(--text-muted); border-right: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); font-size: .7rem; font-weight: 600; text-align: center; }
.four-week-day { display: flex; min-height: 124px; padding: 7px; flex-direction: column; gap: 3px; border-right: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
.four-week-day > time { display: grid; width: 24px; height: 24px; margin-bottom: 2px; place-items: center; color: var(--text-secondary); border-radius: 50%; font-size: .72rem; font-weight: 600; }
.four-week-day.is-today > time { color: white; background: var(--brand-primary); }
.month-event { width: 100%; padding: 3px 4px; overflow: hidden; border: 0; border-radius: 4px; font-size: .64rem; line-height: 1.3; text-align: left; text-overflow: ellipsis; white-space: nowrap; }
.more-events { color: var(--text-secondary); font-size: .65rem; }

@media (min-width: 1024px) {
  .calendar-frame.calendar-frame-week, .calendar-frame.calendar-frame-fourWeek { display: flex; height: clamp(480px, calc(100dvh - 286px), 900px); flex-direction: column; }
  .calendar-frame.calendar-frame-week #calendarBoard, .calendar-frame.calendar-frame-fourWeek #calendarBoard { display: flex; min-height: 0; flex: 1 1 auto; }
  .calendar-frame-week #calendarBoard > .calendar-scroller { min-height: 0; flex: 1 1 auto; overflow: auto; }
  .calendar-frame-week .week-calendar { display: grid; height: 100%; min-height: 0; grid-template-rows: 54px minmax(0, 1fr); }
  .calendar-frame-week .week-header, .calendar-frame-week .week-body, .calendar-frame-week .day-column { min-height: 0; }
  .calendar-frame-fourWeek #calendarBoard { overflow: auto; }
  .calendar-frame-week #calendarBoard > .calendar-empty, .calendar-frame-week #calendarBoard > .calendar-placeholder, .calendar-frame-fourWeek #calendarBoard > .calendar-empty, .calendar-frame-fourWeek #calendarBoard > .calendar-placeholder { width: 100%; min-height: 0; flex: 1 1 auto; }
}

.settings-layout { display: grid; gap: 0; max-width: 820px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); }
.onboarding-lock-notice { padding: clamp(20px, 4vw, 28px); background: linear-gradient(112deg, var(--brand-50), var(--surface) 72%); border-bottom: 1px solid var(--brand-100); }
.onboarding-lock-notice h2 { margin-bottom: 7px; }
.onboarding-lock-notice p { max-width: 62ch; color: var(--text-secondary); }
.settings-section { padding: clamp(20px, 4vw, 28px); border-bottom: 1px solid var(--border-subtle); }
.settings-section:last-child { border-bottom: 0; }
.section-heading { display: flex; margin-bottom: 12px; align-items: start; justify-content: space-between; gap: 16px; }
.section-heading .eyebrow { margin-bottom: 3px; }
.settings-section > p:not(.eyebrow), .form-intro { color: var(--text-secondary); }
.onboarding-section { background: linear-gradient(112deg, var(--brand-50), var(--surface) 72%); }
.step-kicker { display: inline-flex; margin-bottom: 12px; align-items: center; gap: 8px; color: var(--brand-primary); font-size: .8rem; font-weight: 600; }
.step-kicker span { display: grid; width: 22px; height: 22px; place-items: center; color: white; background: var(--brand-primary); border-radius: 50%; font-size: .74rem; }
.onboarding-section > h2 { margin-bottom: 8px; }
.check-list { display: grid; padding: 0; margin: 16px 0; gap: 7px; list-style: none; }
.check-list li { display: flex; align-items: start; gap: 8px; color: var(--text-secondary); }
.check-list svg { flex: 0 0 auto; width: 18px; color: var(--success); }
.consent-form { display: grid; gap: 14px; margin-top: 22px; }
.checkbox-label { display: flex; align-items: start; gap: 9px; color: var(--text-primary); font-size: .9rem; font-weight: 500; }
.checkbox-label input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--brand-primary); }
.credential-configured { display: grid; gap: 12px; }
.success-line { display: flex; align-items: center; gap: 6px; color: var(--success); font-size: .9rem; font-weight: 600; }
.success-line svg { width: 19px; height: 19px; }
.detail-row { display: grid; grid-template-columns: 112px minmax(0, 1fr); padding: 9px 0; border-bottom: 1px solid var(--border-subtle); }
.detail-row span { color: var(--text-muted); font-size: .84rem; }
.detail-row strong { overflow-wrap: anywhere; font-size: .9rem; font-weight: 500; }
.calendar-canary-panel { width: min(760px, 100%); max-width: 760px; }
.calendar-canary-summary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.calendar-canary-summary > div { display: grid; gap: 4px; padding: 11px 12px; border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); background: var(--surface-subtle); }
.calendar-canary-summary span { color: var(--text-muted); font-size: .78rem; }
.calendar-canary-summary strong { overflow-wrap: anywhere; font-size: .86rem; font-weight: 600; }
.calendar-canary-dry-run { padding: 12px; border: 1px dashed var(--brand-200); border-radius: var(--radius-sm); color: var(--text-secondary); font-size: .86rem; }
.calendar-canary-dry-run p { margin: 0; }
.calendar-canary-dry-run p + p { margin-top: 5px; }
.credential-editor { margin-top: 12px; }
.credential-editor form { display: grid; gap: 16px; max-width: 500px; margin-top: 18px; }
.field-group { display: grid; gap: 6px; }
.field-group > label, .field-group > span { color: var(--text-primary); font-size: .88rem; font-weight: 600; }
.field-group input { outline: none; }
.field-group input { min-height: 44px; width: 100%; padding: 10px 12px; color: var(--text-primary); background: var(--surface); border: 1px solid var(--border); border-radius: 9px; transition: border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard); }
.field-group input:hover { border-color: #b5c6d2; }
.field-group input:focus { border-color: var(--brand-primary); box-shadow: 0 0 0 3px rgb(16 126 198 / 14%); }
.password-input { position: relative; }
.password-input input { padding-right: 48px; }
.input-icon { position: absolute; top: 2px; right: 2px; }
.field-error { min-height: 1.2em; margin: 0; color: var(--danger); font-size: .79rem; }
.form-helper { color: var(--text-muted); font-size: .8rem; }
.error-summary { padding: 12px 14px; color: #922c2c; background: var(--danger-bg); border: 1px solid #f0b9b9; border-radius: var(--radius-sm); }
.error-summary h3 { color: inherit; font-size: .9rem; }
.error-summary ul { padding-left: 18px; margin: 5px 0 0; }
.error-summary a { color: inherit; }
.setting-row { display: flex; padding-top: 16px; align-items: center; justify-content: space-between; gap: 20px; }
.setting-row strong { display: block; margin-bottom: 2px; font-size: .92rem; }
.setting-row p { color: var(--text-muted); font-size: .84rem; }
.onboarding-guide-section { position: relative; background: linear-gradient(112deg, rgb(243 249 253 / 84%), var(--surface) 76%); }
.action-guide { position: relative; display: grid; padding: 16px; gap: 7px; color: var(--text-secondary); background: var(--surface); border: 1px solid var(--brand-200); border-radius: var(--radius-md); box-shadow: 0 10px 24px rgb(16 126 198 / 8%); animation: guide-card-enter 360ms var(--ease-standard) both; }
.action-guide h2, .action-guide h3 { color: var(--text-primary); }
.action-guide .step-kicker { margin-bottom: 0; }
.action-guide-settings { margin-top: 16px; }
.action-guide-calendar { margin: 16px 0 20px; }
.guide-action { color: var(--text-primary); font-size: .88rem; }
.guide-target { position: relative; z-index: 1; animation: guide-target-pulse 1.8s var(--ease-standard) 4; }
@keyframes guide-card-enter { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes guide-target-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgb(16 126 198 / 0%); transform: translateY(0); } 45% { box-shadow: 0 0 0 8px rgb(16 126 198 / 15%); transform: translateY(-1px); } }
.troubleshooting-section { background: var(--surface-subtle); }
.support-section { max-width: 750px; margin-bottom: 20px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); }
.support-section h2 { margin-bottom: 8px; }
.support-section .inline-actions { margin-top: 16px; }
.support-note { margin-top: 12px; color: var(--text-muted); font-size: .84rem; }
.danger-zone { max-width: 750px; background: var(--danger-bg); border: 1px solid #f3c6c6; border-radius: var(--radius-md); }
.danger-zone .checkbox-label { margin: 18px 0; }

.prose-heading { max-width: 800px; }
.privacy-prose { display: grid; max-width: 800px; gap: 0; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); }
.privacy-prose section { padding: 24px 28px; border-bottom: 1px solid var(--border-subtle); }
.privacy-prose section:last-child { border-bottom: 0; }
.privacy-prose h2 { margin-bottom: 8px; }
.privacy-prose p, .privacy-prose li { color: var(--text-secondary); }
.privacy-prose ul { display: grid; padding-left: 20px; margin: 10px 0 0; gap: 6px; }
#privacyConsent { max-width: 800px; margin-top: 20px; }
#privacyConsent .onboarding-section { border: 1px solid var(--brand-200); border-radius: var(--radius-lg); }

.admin-heading { max-width: none; grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
.admin-heading > div { display: grid; max-width: 760px; gap: 8px; }
.admin-refresh-meta { display: flex; min-height: 22px; margin: -8px 0 10px; align-items: center; color: var(--text-muted); font-size: .76rem; }
.admin-metric-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.admin-metric, .admin-section { background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); }
.admin-metric { display: grid; min-height: 138px; padding: 18px; align-content: start; gap: 5px; }
.admin-metric > p { color: var(--text-muted); font-size: .8rem; font-weight: 600; }
.admin-metric > strong { color: var(--text-primary); font-size: clamp(1.55rem, 3vw, 2.05rem); font-weight: 600; letter-spacing: -.04em; line-height: 1.15; }
.admin-metric > span { margin-top: auto; color: var(--text-secondary); font-size: .78rem; }
.admin-data-warning { display: flex; max-width: 1020px; padding: 13px 15px; align-items: center; gap: 9px; color: #7a4d00; background: var(--warning-bg); border: 1px solid #eed69f; border-radius: var(--radius-sm); font-size: .85rem; }
.admin-data-warning .inline-icon { display: grid; flex: 0 0 auto; color: var(--warning); }
.admin-data-warning .inline-icon svg { width: 19px; height: 19px; }
.admin-data-warning code { margin-left: auto; padding: 2px 5px; color: inherit; background: rgb(255 255 255 / 60%); border: 1px solid rgb(168 107 0 / 25%); border-radius: 4px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .7rem; }
.admin-section { display: grid; max-width: 1020px; padding: 22px; gap: 8px; margin-top: 18px; }
.admin-section > .muted { font-size: .84rem; }
.admin-detail-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 8px; border-top: 1px solid var(--border-subtle); }
.admin-detail { display: grid; min-height: 72px; padding: 12px 14px 10px 0; align-content: start; gap: 3px; border-bottom: 1px solid var(--border-subtle); }
.admin-detail:nth-child(3n + 2), .admin-detail:nth-child(3n + 3) { padding-left: 14px; border-left: 1px solid var(--border-subtle); }
.admin-detail span { color: var(--text-muted); font-size: .76rem; }
.admin-detail strong { color: var(--text-primary); font-size: .9rem; font-weight: 600; }
.admin-health-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 8px; }
.admin-health-item { display: flex; min-height: 78px; padding: 12px; align-items: start; gap: 9px; background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); }
.admin-health-item .inline-icon { display: grid; width: 20px; height: 20px; flex: 0 0 auto; place-items: center; }
.admin-health-item .inline-icon svg { width: 18px; height: 18px; }
.admin-health-item > div { display: grid; gap: 2px; min-width: 0; }
.admin-health-item strong { color: var(--text-primary); font-size: .83rem; font-weight: 600; }
.admin-health-item span { overflow-wrap: anywhere; color: var(--text-muted); font-size: .74rem; }
.admin-health-item.is-ready .inline-icon { color: var(--success); }
.admin-health-item.is-attention .inline-icon { color: var(--warning); }
.admin-issue-list { display: grid; gap: 10px; margin-top: 10px; }
.admin-issue { display: grid; padding: 16px; gap: 10px; background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-left: 4px solid var(--warning); border-radius: var(--radius-sm); }
.admin-issue-error { border-left-color: var(--danger); }
.admin-issue-heading { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.admin-user-ref { color: var(--text-muted); font-size: .71rem; font-weight: 600; letter-spacing: .06em; }
.admin-user-email { overflow-wrap: anywhere; color: var(--text-secondary); font-size: .8rem; font-weight: 500; letter-spacing: 0; line-height: 1.45; }
.admin-issue h3 { margin-top: 2px; font-size: 1rem; }
.admin-status-error { color: var(--danger); background: var(--danger-bg); }
.admin-status-warning { color: var(--warning); background: var(--warning-bg); }
.admin-issue .status-badge .inline-icon { display: inline-grid; }
.admin-issue .status-badge .inline-icon svg { width: 14px; height: 14px; }
.admin-issue-guidance { color: var(--text-secondary); font-size: .86rem; }
.admin-issue-meta { display: flex; flex-wrap: wrap; gap: 6px 12px; color: var(--text-muted); font-size: .76rem; }
.admin-issue-meta code { padding: 2px 5px; color: var(--text-secondary); background: var(--surface); border: 1px solid var(--border); border-radius: 4px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .7rem; }
.admin-empty-state { display: flex; padding: 14px; align-items: center; gap: 8px; color: var(--success); background: var(--success-bg); border-radius: var(--radius-sm); font-size: .88rem; font-weight: 500; }
.admin-empty-state .inline-icon svg { width: 19px; height: 19px; }
.admin-state-panel { max-width: 680px; }
.admin-chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.admin-chart-card { display: grid; padding: 18px; gap: 9px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); }
.admin-chart-card h2 { font-size: 1rem; }
.admin-distribution-svg { display: block; width: 100%; height: 16px; overflow: hidden; border-radius: 999px; }
.admin-chart-legend { display: flex; flex-wrap: wrap; gap: 7px 13px; color: var(--text-secondary); font-size: .74rem; }
.admin-chart-legend-item { display: inline-flex; align-items: center; gap: 5px; }
.admin-chart-swatch { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.admin-refresh-warning { display: flex; padding: 12px 14px; align-items: center; gap: 8px; color: var(--warning); background: var(--warning-bg); border: 1px solid #eed69f; border-radius: var(--radius-sm); font-size: .82rem; }
.admin-refresh-warning .inline-icon { display: grid; flex: 0 0 auto; }
.admin-refresh-warning svg { width: 18px; height: 18px; }

.state-panel { display: grid; max-width: 590px; padding: clamp(30px, 6vw, 52px); align-content: start; gap: 12px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); }
.state-panel > svg, .state-panel .inline-icon { color: var(--brand-primary); }
.state-panel .inline-icon svg { width: 38px; height: 38px; }
.state-panel p { color: var(--text-secondary); }
.state-error { border-color: #f0c0c0; }
.state-error .inline-icon { color: var(--danger); }
.gpa-panel { margin-top: 40px; }

.toast-region { position: fixed; z-index: 80; right: 18px; bottom: 18px; display: grid; width: min(390px, calc(100vw - 36px)); gap: 8px; pointer-events: none; }
.toast { display: flex; padding: 12px 14px; align-items: center; color: var(--text-primary); background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--info); border-radius: var(--radius-md); box-shadow: var(--shadow-float); font-size: .88rem; animation: toast-enter var(--duration-base) var(--ease-standard); }
.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--danger); }
@keyframes toast-enter { from { opacity: 0; transform: translateY(8px); } }

dialog { color: var(--text-primary); }
dialog::backdrop { background: rgb(23 33 43 / 38%); }
.event-dialog, .confirmation-dialog { width: min(540px, calc(100vw - 32px)); max-height: min(680px, calc(100dvh - 32px)); padding: 0; overflow: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-dialog); }
.event-dialog { padding: 24px; }
.confirmation-dialog form { padding: 24px; }
.dialog-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.dialog-heading .eyebrow { margin-bottom: 3px; }
.dialog-heading form { padding: 0; }
.event-details { display: grid; grid-template-columns: 135px minmax(0, 1fr); margin: 22px 0 0; }
.event-details dt, .event-details dd { padding: 9px 0; border-bottom: 1px solid var(--border-subtle); }
.event-details dt { color: var(--text-muted); font-size: .84rem; }
.event-details dd { margin: 0; overflow-wrap: anywhere; font-weight: 500; }
.dialog-description { margin: 16px 0; color: var(--text-secondary); }
.confirmation-dialog .field-group { margin-bottom: 20px; }
.dialog-actions { justify-content: flex-end; }

@media (max-width: 1023px) {
  .app-layout { display: block; padding-bottom: 76px; }
  .sidebar { display: none; }
  .mobile-topbar { display: flex; min-height: 60px; padding: 10px clamp(16px, 4vw, 28px); align-items: center; justify-content: space-between; background: var(--surface); border-bottom: 1px solid var(--border-subtle); }
  .account-menu { position: relative; }
  .account-menu > summary { list-style: none; }
  .account-menu > summary::-webkit-details-marker { display: none; }
  .account-menu-popover { position: absolute; z-index: 25; top: calc(100% + 8px); right: 0; display: grid; min-width: 220px; padding: 10px; gap: 3px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-float); }
  .account-menu-popover a, .account-menu-popover button { min-height: 40px; padding: 8px 9px; color: var(--text-secondary); background: transparent; border: 0; border-radius: 7px; font-size: .87rem; text-align: left; text-decoration: none; }
  .account-menu-popover a:hover, .account-menu-popover button:hover { color: var(--brand-primary); background: var(--brand-50); }
  .account-email { padding: 5px 9px 9px; overflow-wrap: anywhere; color: var(--text-muted); border-bottom: 1px solid var(--border-subtle); font-size: .76rem; }
  .bottom-nav { position: fixed; z-index: 30; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(2, 1fr); padding: 7px max(12px, env(safe-area-inset-left)) max(7px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-right)); background: rgb(255 255 255 / 96%); border-top: 1px solid var(--border); backdrop-filter: blur(10px); }
  .bottom-nav.onboarding-nav { grid-template-columns: 1fr; }
  .bottom-nav-link { display: grid; min-height: 52px; align-content: center; justify-items: center; gap: 3px; color: var(--text-secondary); border-radius: 10px; font-size: .69rem; font-weight: 500; text-decoration: none; }
  .bottom-nav-link svg { width: 19px; height: 19px; }
  .bottom-nav-link.is-active { color: var(--brand-primary); font-weight: 600; }
  .main-content { padding: clamp(24px, 5vw, 42px) clamp(16px, 4vw, 32px); }
  .admin-metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-health-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 899px) {
  .auth-panel { grid-template-columns: 1fr; gap: 34px; width: min(520px, 100%); }
  .auth-art { width: min(280px, 55vw); margin: 0 auto; }
  .auth-copy { margin: 0 auto; }
}

@media (max-width: 767px) {
  body { font-size: 16px; }
  .c10x-runtime-diagnostic-heading { align-items: stretch; flex-direction: column; }
  .c10x-runtime-diagnostic-heading .button { width: 100%; }
  .auth-panel { grid-template-columns: 1fr; gap: 34px; width: min(390px, 100%); }
  .auth-art { width: 154px; margin: 0 auto; }
  .auth-mark { width: 58px; height: 58px; padding: 15px; border-radius: 18px; }
  .auth-copy { text-align: center; }
  .auth-copy > p:not(.eyebrow):not(.auth-note) { font-size: 1.06rem; }
  .auth-note { font-size: .77rem; }
  .calendar-heading { grid-template-columns: 1fr; }
  .calendar-heading .status-badge { width: max-content; }
  .calendar-toolbar { align-items: stretch; flex-direction: column; }
  .staging-schedule-notice { align-items: stretch; flex-direction: column; }
  .staging-schedule-actions { justify-content: stretch; }
  .staging-schedule-actions .button { flex: 1 1 180px; }
  .range-picker, .range-options { width: 100%; }
  .range-options { justify-content: flex-start; }
  .range-option { flex: 1 0 auto; }
  .toolbar-actions { display: grid; grid-template-columns: 1fr; }
  .toolbar-actions .button { width: 100%; }
  .calendar-controls { align-items: stretch; flex-direction: column; }
  .date-controls { display: grid; grid-template-columns: 40px auto 40px minmax(0, 1fr); }
  .date-controls .button-small { padding-inline: 6px; }
  .view-switch { align-self: flex-end; }
  .calendar-frame { margin-inline: -4px; }
  .week-calendar { min-width: 862px; }
  .week-header, .week-body { grid-template-columns: 48px repeat(7, minmax(116px, 1fr)); }
  .time-axis { font-size: .61rem; }
  .settings-layout { margin-inline: -1px; }
  .settings-section { padding: 22px 18px; }
  .setting-row { align-items: stretch; flex-direction: column; }
  .setting-row .button { width: 100%; }
  .timestamp-popover { width: min(330px, calc(100vw - 44px)); }
  .form-actions .button { flex: 1 1 160px; }
  .detail-row { grid-template-columns: 1fr; gap: 2px; }
  .privacy-prose section { padding: 22px 18px; }
  .admin-heading { grid-template-columns: 1fr; align-items: stretch; }
  .admin-heading .button { width: 100%; }
  .admin-data-warning { align-items: start; flex-wrap: wrap; }
  .admin-data-warning code { margin-left: 28px; }
  .admin-section { padding: 18px; }
  .admin-detail-grid { grid-template-columns: 1fr; }
  .admin-health-grid { grid-template-columns: 1fr; }
  .admin-chart-grid { grid-template-columns: 1fr; }
  .admin-detail, .admin-detail:nth-child(3n + 2), .admin-detail:nth-child(3n + 3) { min-height: auto; padding: 11px 0; border-left: 0; }
  .admin-issue-heading { align-items: stretch; flex-direction: column; }
  .admin-issue-heading .status-badge { width: max-content; }
  .event-details { grid-template-columns: 1fr; }
  .event-details dt { padding-bottom: 1px; border-bottom: 0; }
  .event-details dd { padding-top: 1px; }
  .dialog-actions { display: grid; grid-template-columns: 1fr; }
  .dialog-actions .button { width: 100%; }
}

@media (max-width: 430px) {
  .main-content { padding: 24px 16px; }
  .date-controls { grid-template-columns: 40px 1fr 40px; }
  .date-controls strong { grid-column: 1 / -1; padding: 5px 0 0; }
  .calendar-empty { min-height: 320px; }
  .admin-metric-grid { grid-template-columns: 1fr; }
  .calendar-canary-summary { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* UI/UX V2 additions: semantic aliases keep new surfaces on the existing
   academic blue system without introducing a second visual language. */
:root {
  --color-brand: var(--brand-primary);
  --color-brand-hover: var(--brand-primary-hover);
  --color-brand-soft: var(--brand-50);
  --color-surface: var(--surface);
  --color-surface-muted: var(--surface-subtle);
  --color-border: var(--border);
  --color-text: var(--text-primary);
  --color-text-muted: var(--text-secondary);
  --radius-xl: 20px;
  --shadow-card: 0 1px 2px rgb(23 33 43 / 5%), 0 10px 26px rgb(23 33 43 / 5%);
}

html { scroll-behavior: smooth; overflow-x: clip; overflow-y: auto; }
body { overflow: auto; }
.brand-mark { object-fit: contain; }
.auth-back-link { display: inline-flex; width: max-content; margin-bottom: 22px; color: var(--text-muted); font-size: .82rem; font-weight: 500; text-decoration: none; }
.auth-back-link:hover { color: var(--brand-primary); }

/* Public product surface */
.public-shell { min-height: 100dvh; background: var(--background); }
.public-header { display: grid; width: min(1240px, calc(100% - 32px)); min-height: 76px; margin: 0 auto; grid-template-columns: minmax(190px, 1fr) auto minmax(190px, 1fr); align-items: center; gap: 28px; border-bottom: 1px solid var(--border-subtle); }
.public-brand { gap: 9px; }
.public-brand .brand-mark { width: 42px; height: 42px; }
.public-brand > span { display: grid; gap: 1px; }
.public-brand strong { font-size: .95rem; }
.public-brand small, .public-footer-brand small { color: var(--text-muted); font-size: .68rem; font-weight: 500; letter-spacing: .01em; }
.public-nav { display: flex; align-items: center; justify-content: center; gap: clamp(14px, 2.5vw, 30px); }
.public-nav a, .public-footer nav a { color: var(--text-secondary); font-size: .82rem; font-weight: 500; text-decoration: none; }
.public-nav a:hover, .public-nav a[aria-current="page"], .public-footer nav a:hover { color: var(--brand-primary); }
.public-header-action { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.public-header-action .button { min-width: 94px; }
.public-main { --home-content-max: 1240px; --home-gutter: clamp(16px, 4vw, 48px); width: min(var(--home-content-max), 100%); min-width: 0; padding: 0 var(--home-gutter) 72px; margin: 0 auto; }
.public-hero { display: grid; min-height: min(690px, calc(100dvh - 76px)); grid-template-columns: minmax(0, 1fr) minmax(360px, .92fr); gap: clamp(28px, 6vw, 88px); align-items: center; padding: clamp(56px, 8vw, 110px) 0 clamp(62px, 8vw, 104px); }
  .public-hero-copy { width: 100%; min-width: 0; max-width: 100%; }
.public-hero h1 { margin-top: 10px; font-size: clamp(2.45rem, 5.3vw, 4.6rem); letter-spacing: -.055em; line-height: 1.05; }
.public-hero h1 em { color: var(--brand-primary); font-style: normal; }
.hero-lede { max-width: 56ch; margin-top: 24px; color: var(--text-secondary); font-size: clamp(1rem, 1.4vw, 1.16rem); line-height: 1.72; overflow-wrap: anywhere; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 30px; }
.hero-primary { min-height: 48px; padding-inline: 18px; }
.hero-primary svg { width: 18px; height: 18px; }
.hero-secondary { min-height: 48px; }
.hero-disclaimer { max-width: 58ch; margin-top: 18px; color: var(--text-muted); font-size: .76rem; }
.public-auth-status { min-height: 20px; margin-top: 8px; color: var(--text-secondary); font-size: .8rem; }
.hero-preview { position: relative; min-width: 0; max-width: 580px; justify-self: end; padding: 18px 12px 18px 26px; overflow: visible; }
.hero-preview-note { position: relative; z-index: 2; display: inline-flex; margin: 0 0 12px 22px; align-items: center; gap: 7px; color: var(--text-muted); font-size: .73rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.preview-dot { width: 7px; height: 7px; background: var(--success); border-radius: 50%; }
.hero-preview-card { position: relative; z-index: 1; min-width: 0; max-width: 100%; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); transform: none; transform-origin: 50% 50%; will-change: transform; }
.preview-card-heading, .preview-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.preview-card-heading { padding-bottom: 17px; border-bottom: 1px solid var(--border-subtle); }
.preview-card-heading > div { display: grid; gap: 3px; }
.preview-overline { color: var(--brand-primary); font-size: .62rem; font-weight: 600; letter-spacing: .08em; }
.preview-card-heading strong { font-size: 1.18rem; }
.preview-week { color: var(--text-muted); font-size: .72rem; }
.preview-days, .preview-grid { --preview-time-gutter: 42px; display: grid; grid-template-columns: var(--preview-time-gutter) repeat(5, minmax(0, 1fr)); }
.preview-days { margin-top: 15px; color: var(--text-muted); font-size: .65rem; font-weight: 600; text-align: center; }
.preview-days span:first-child { text-align: left; }
.preview-grid { min-height: 244px; margin-top: 5px; grid-template-rows: repeat(7, minmax(28px, 1fr)); gap: 4px 5px; padding: 5px 0 10px; background: var(--surface); }
.preview-time { align-self: start; padding-top: 3px; color: var(--text-muted); font-size: .62rem; }
.preview-time-0700 { grid-column: 1; grid-row: 1; }
.preview-time-0730 { grid-column: 1; grid-row: 2; }
.preview-time-0930 { grid-column: 1; grid-row: 3; }
.preview-time-1300 { grid-column: 1; grid-row: 4; }
.preview-time-1330 { grid-column: 1; grid-row: 5; }
.preview-time-1530 { grid-column: 1; grid-row: 6; }
.preview-time-1700 { grid-column: 1; grid-row: 7; }
.preview-event { display: block; min-width: 0; min-height: 40px; padding: 6px 7px; overflow: hidden; border-left: 3px solid currentColor; border-radius: 5px; font-size: .65rem; font-weight: 600; line-height: 1.3; }
.preview-event-blue { color: #4e6d8b; background: var(--brand-50); }
.preview-event-green { color: var(--success); background: var(--success-bg); }
.preview-event-sand { color: var(--warning); background: var(--warning-bg); }
.preview-event-violet { color: #0b6fa3; background: var(--brand-100); }
.preview-event-anatomy { grid-column: 2; grid-row: 2 / span 2; }
.preview-event-pharmacology { grid-column: 3; grid-row: 2 / span 2; }
.preview-event-biochemistry { grid-column: 4; grid-row: 5 / span 2; }
.preview-event-morphology { grid-column: 5; grid-row: 2 / span 2; }
.preview-event-pathology { grid-column: 5; grid-row: 5 / span 2; }
.preview-focus-state { display: inline-flex; min-width: 0; align-items: center; gap: 5px; }
.preview-focus-state span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview-card-footer { padding-top: 12px; color: var(--text-muted); border-top: 1px solid var(--border-subtle); font-size: .68rem; }
.preview-card-footer span:first-child { display: inline-flex; align-items: center; gap: 5px; color: var(--success); }
.preview-card-footer svg { width: 13px; height: 13px; }
.trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); padding: 21px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-strip > div { display: grid; padding: 0 24px; gap: 4px; border-left: 1px solid var(--border-subtle); }
.trust-strip > div:first-child { padding-left: 0; border-left: 0; }
.trust-strip strong { font-size: .87rem; }
.trust-strip span { color: var(--text-muted); font-size: .76rem; }
.public-section { padding: clamp(64px, 9vw, 112px) 0; }
.public-section-narrow { width: 100%; margin-inline: auto; }
.section-intro { display: grid; max-width: 680px; gap: 10px; }
.section-intro h2, .integration-copy h2, .control-card h2, .public-cta h2 { font-size: clamp(1.55rem, 2.6vw, 2.25rem); letter-spacing: -.04em; line-height: 1.16; }
.section-intro > p:last-child, .integration-copy > p, .control-card p, .public-cta p { color: var(--text-secondary); }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 34px; }
.feature-card { min-height: 214px; padding: 22px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); box-shadow: var(--shadow-card); }
.feature-card h3 { margin-top: 22px; }
.feature-card p { margin-top: 8px; color: var(--text-secondary); font-size: .86rem; }
.feature-icon { display: inline-grid; width: 38px; height: 38px; place-items: center; color: var(--brand-primary); background: var(--brand-50); border-radius: 10px; }
.feature-icon svg { width: 19px; height: 19px; }
.how-section { width: 100%; padding: 42px clamp(18px, 4vw, 46px); margin: 0 auto; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); }
.steps-list { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0; margin: 36px 0 0; gap: 28px; list-style: none; counter-reset: steps; }
.steps-list li { display: grid; align-content: start; gap: 15px; }
.step-number { color: var(--brand-primary); font-size: .74rem; font-weight: 600; letter-spacing: .08em; }
.steps-list h3 { font-size: 1rem; }
.steps-list p { margin-top: 7px; color: var(--text-secondary); font-size: .84rem; }
.integration-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, 1fr); gap: clamp(28px, 7vw, 90px); align-items: center; }
.integration-copy { max-width: 540px; }
.integration-copy h2 { margin-top: 9px; }
.integration-copy > p { margin-top: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 7px; width: max-content; max-width: 100%; margin-top: 18px; font-size: .86rem; font-weight: 600; text-decoration: none; }
.integration-visual { --flow-distance: clamp(96px, 14vw, 190px); position: relative; display: flex; min-height: 170px; align-items: center; justify-content: center; gap: 16px; }
.integration-node { position: relative; z-index: 1; display: grid; width: 150px; min-height: 116px; padding: 18px 14px; align-content: center; justify-items: center; gap: 6px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-card); text-align: center; }
.integration-node svg, .google-glyph { width: 28px; height: 28px; margin-bottom: 3px; }
.integration-node strong { font-size: .76rem; }
.integration-node small { color: var(--text-muted); font-size: .68rem; }
.integration-node-app svg { color: var(--brand-primary); }
.google-glyph { display: grid; place-items: center; color: #4285f4; font-size: 1.4rem; font-weight: 600; }
.control-section { padding-top: 20px; padding-bottom: clamp(32px, 4vw, 56px); }
.control-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; align-items: start; padding: clamp(24px, 4vw, 38px); background: var(--brand-50); border: 1px solid var(--brand-200); border-radius: var(--radius-xl); }
.control-card-body { display: grid; min-width: 0; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto auto auto auto; column-gap: 20px; }
.control-card-header { display: contents; }
.control-card-header .control-card-icon { grid-column: 1; grid-row: 1 / -1; align-self: start; }
.control-card-header .eyebrow { grid-column: 2; grid-row: 1; margin: 0; }
.control-card-body > h2 { grid-column: 2; grid-row: 2; }
.control-card-body > p { grid-column: 2; grid-row: 3; }
.control-card-body > .control-points { grid-column: 2; grid-row: 4; }
.control-card-icon { display: grid; width: 44px; height: 44px; flex: 0 0 auto; place-items: center; color: var(--brand-primary); background: var(--surface); border-radius: 12px; }
.control-card-icon svg { width: 22px; height: 22px; }
.control-card h2 { margin-top: 8px; }
.control-card p { margin-top: 12px; }
.control-points { display: grid; grid-template-columns: minmax(0, 1fr); gap: 9px; margin-top: 18px; }
.control-points span { display: grid; min-width: 0; grid-template-columns: 15px minmax(0, 1fr); align-items: start; column-gap: 7px; color: var(--text-secondary); font-size: .78rem; }
.control-points svg { width: 15px; height: 15px; margin-top: 3px; color: var(--success); }
.control-card > .button { align-self: end; }
.roadmap-section { padding-bottom: 80px; }
.roadmap-list { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 30px; border-top: 1px solid var(--border); }
.roadmap-item { display: flex; padding: 17px 18px 0 0; align-items: start; gap: 12px; color: var(--text-muted); border-top: 3px solid transparent; }
.roadmap-item + .roadmap-item { padding-left: 18px; border-left: 1px solid var(--border-subtle); }
.roadmap-item b { font-size: .72rem; font-weight: 600; }
.roadmap-item span { display: grid; gap: 3px; }
.roadmap-item strong { color: var(--text-primary); font-size: .84rem; }
.roadmap-item small { font-size: .72rem; }
.roadmap-item.is-current { color: var(--brand-primary); border-top-color: var(--brand-primary); }
.roadmap-item.is-active { color: var(--brand-primary); border-top-color: var(--brand-primary); }
.roadmap-item.is-complete { color: var(--text-secondary); border-top-color: var(--border); }
.roadmap-item.is-complete strong { color: var(--text-primary); }
.public-cta { display: flex; padding: 28px clamp(20px, 4vw, 40px); align-items: center; justify-content: space-between; gap: 22px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); }
.public-cta h2 { margin-top: 6px; }
.public-cta p { margin-top: 7px; font-size: .86rem; }
.public-footer { display: flex; width: min(1240px, calc(100% - 32px)); padding: 25px 0 32px; margin: 0 auto; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--border-subtle); }
.public-footer-brand { display: inline-flex; align-items: center; gap: 9px; }
.public-footer-brand > span:last-child { display: grid; gap: 1px; }
.footer-mark { display: grid; width: 28px; height: 28px; place-items: center; color: white; background: var(--brand-primary); border-radius: 8px; font-size: .78rem; font-weight: 600; }
.public-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.public-footer > small { color: var(--text-muted); font-size: .7rem; }
.public-document-heading { max-width: 800px; padding-top: 64px; }
.public-document { margin-bottom: 20px; }

/* Operator directory */
.admin-directory-controls { display: grid; grid-template-columns: minmax(0, 1.7fr) repeat(3, minmax(135px, 1fr)); gap: 10px; margin-top: 13px; }
.admin-search-field, .admin-filter-field { display: grid; gap: 5px; }
.admin-search-field > span, .admin-filter-field > span { color: var(--text-secondary); font-size: .76rem; font-weight: 600; }
.admin-directory-controls input, .admin-directory-controls select { min-height: 44px; width: 100%; padding: 8px 11px; color: var(--text-primary); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; outline: none; }
.admin-directory-controls input:focus, .admin-directory-controls select:focus { border-color: var(--brand-primary); box-shadow: 0 0 0 3px rgb(16 126 198 / 14%); }
.admin-directory-count { margin-top: 12px; color: var(--text-muted); font-size: .76rem; }
.admin-user-layout { display: grid; grid-template-columns: minmax(220px, .78fr) minmax(0, 1.22fr); gap: 14px; margin-top: 8px; }
.admin-user-results { min-width: 0; }
.admin-user-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--border-subtle); border-radius: 9px; }
.admin-user-table { width: 100%; min-width: 700px; border-collapse: collapse; background: var(--surface); font-size: .78rem; }
.admin-user-table th, .admin-user-table td { padding: 11px 12px; border-bottom: 1px solid var(--border-subtle); text-align: left; vertical-align: middle; }
.admin-user-table th { color: var(--text-muted); background: var(--surface-subtle); font-size: .7rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; white-space: nowrap; }
.admin-user-table tbody tr { color: var(--text-secondary); outline: none; cursor: pointer; }
.admin-user-table tbody tr:last-child td { border-bottom: 0; }
.admin-user-table tbody tr:hover, .admin-user-table tbody tr:focus-visible { background: var(--brand-50); }
.admin-user-table tbody tr[aria-selected="true"] { box-shadow: inset 3px 0 0 var(--brand-primary); background: var(--brand-50); }
.admin-user-table tbody tr.is-attention { box-shadow: inset 3px 0 0 var(--warning); }
.admin-user-table tbody tr.is-attention[aria-selected="true"] { box-shadow: inset 3px 0 0 var(--danger); }
.admin-user-table td:first-child { max-width: 250px; overflow-wrap: anywhere; color: var(--text-primary); font-weight: 600; }
.admin-user-cards { display: none; }
.admin-pagination { display: flex; min-height: 40px; padding-top: 10px; align-items: center; justify-content: center; gap: 12px; color: var(--text-muted); font-size: .76rem; }
.admin-user-row { display: grid; min-height: 76px; padding: 11px 12px; align-content: center; gap: 3px; color: var(--text-primary); background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-left: 3px solid var(--border); border-radius: 9px; text-align: left; }
.admin-user-row:hover, .admin-user-row[aria-pressed="true"] { background: var(--brand-50); border-color: var(--brand-200); }
.admin-user-row[aria-pressed="true"] { border-left-color: var(--brand-primary); }
.admin-user-row.is-attention { border-left-color: var(--warning); }
.admin-user-row.is-attention[aria-pressed="true"] { border-left-color: var(--danger); }
.admin-user-row strong { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .75rem; letter-spacing: .04em; }
.admin-user-row span { overflow-wrap: anywhere; color: var(--text-secondary); font-size: .76rem; }
.admin-user-row small { color: var(--text-muted); font-size: .7rem; }
.admin-user-detail { min-width: 0; padding: 18px; background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-radius: 9px; }
.admin-user-detail h3 { margin-top: 4px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .92rem; letter-spacing: .04em; }
.admin-user-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 16px; border-top: 1px solid var(--border-subtle); }
.admin-user-detail-grid .admin-detail:nth-child(2n + 2) { padding-left: 14px; border-left: 1px solid var(--border-subtle); }
.admin-safe-note { margin-top: 14px; color: var(--text-muted); font-size: .73rem; }

/* Calendar V2: the 4-week grid keeps its geometry and scrolls only inside its
   own region on narrow screens. The page itself remains vertically scrollable. */
.calendar-frame, #calendarBoard { min-width: 0; }
.month-calendar-scroller { min-width: 0; max-width: 100%; overflow-x: auto; overflow-y: visible; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; scrollbar-color: var(--brand-200) transparent; scrollbar-width: thin; touch-action: pan-x pan-y; }
.month-calendar-scroller:focus-visible { outline-offset: -3px; }
.four-week-calendar { min-width: 770px; grid-template-columns: repeat(7, minmax(110px, 1fr)); }
.four-week-day-label, .four-week-day { min-width: 0; }
.month-event { display: block; min-width: 0; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.calendar-empty-inline { display: flex; min-height: 62px; padding: 12px 16px; align-items: center; gap: 8px; color: var(--text-secondary); background: var(--surface-subtle); border-top: 1px solid var(--border-subtle); font-size: .82rem; }
.calendar-empty-inline svg { width: 18px; height: 18px; color: var(--brand-primary); }

@media (max-width: 1023px) {
  .public-header { grid-template-columns: minmax(0, 1fr) auto; gap: 16px; }
  .public-nav { min-width: 0; width: 100%; grid-column: 1 / -1; justify-content: flex-start; padding: 0 0 15px; }
  .public-header-action { min-width: 0; }
  .public-header { min-height: 0; padding-top: 12px; }
  .public-main { padding-bottom: 54px; }
  .public-hero { min-height: 0; grid-template-columns: minmax(0, 1fr) minmax(320px, .86fr); gap: 32px; padding-top: 70px; }
}

@media (max-width: 767px) {
  .public-header { display: flex; width: calc(100% - 24px); max-width: 620px; flex-wrap: wrap; justify-content: space-between; gap: 12px 16px; }
  .public-brand { min-width: 0; flex: 1 1 auto; }
  .public-header-action { flex: 0 0 auto; }
  .public-nav { gap: 14px; overflow-x: auto; }
  .public-nav { order: 3; flex: 1 0 100%; }
  .public-nav a { white-space: nowrap; font-size: .77rem; }
  .public-header-action .button { min-width: 0; }
  .public-main { padding-inline: 16px; }
  .public-hero { display: flex; min-width: 0; min-height: 0; padding: 50px 0 58px; flex-direction: column; align-items: stretch; }
  .public-hero-copy { width: 100%; min-width: 0; max-width: 100%; }
  .public-hero h1 { width: 100%; max-width: 100%; font-size: clamp(1.84rem, 10vw, 3.4rem); overflow-wrap: anywhere; }
  .hero-lede { margin-top: 18px; font-size: .96rem; }
  .hero-actions { display: grid; grid-template-columns: 1fr; margin-top: 24px; }
  .hero-actions .button { width: 100%; }
  .hero-preview { width: 100%; max-width: 520px; padding-left: 0; margin: 12px auto 0; }
  .hero-preview-card { width: 100%; transform: none; }
  .hero-preview-card { padding: 14px; }
  .preview-grid { min-height: 190px; }
  .trust-strip { grid-template-columns: 1fr; gap: 0; }
  .trust-strip > div, .trust-strip > div:first-child { padding: 14px 0; border-top: 1px solid var(--border-subtle); border-left: 0; }
  .trust-strip > div:first-child { padding-top: 0; border-top: 0; }
  .public-section { padding: 56px 0; }
  .control-section { padding-bottom: clamp(32px, 8vw, 40px); }
  .feature-grid, .steps-list, .integration-section { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .how-section { padding: 28px 18px; }
  .steps-list { gap: 24px; }
  .integration-visual { min-height: 150px; margin-top: 15px; }
  .integration-node { width: 128px; min-height: 104px; }
  .control-card { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .control-card-body { display: flex; min-width: 0; flex-direction: column; }
  .control-card-header { display: flex; align-items: flex-start; gap: 12px; }
  .control-card-header .eyebrow { min-width: 0; margin: 2px 0 0; }
  .control-card h2 { margin-top: 18px; }
  .control-card > .button { grid-column: 1; width: 100%; }
  .roadmap-list { grid-template-columns: 1fr; }
  .roadmap-item, .roadmap-item + .roadmap-item { padding: 14px 0; border-top: 1px solid var(--border-subtle); border-left: 0; }
  .roadmap-item:first-child { border-top: 0; }
  .public-cta, .public-footer { align-items: stretch; flex-direction: column; }
  .public-cta .button { width: 100%; }
  .public-footer { gap: 14px; }
  .public-footer nav { gap: 12px 18px; }
  .admin-directory-controls, .admin-user-layout { grid-template-columns: 1fr; }
  .admin-user-table-wrap { display: none; }
  .admin-user-cards { display: grid; gap: 8px; }
  .admin-user-card { display: grid; padding: 13px; gap: 10px; background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-left: 3px solid var(--border); border-radius: 9px; }
  .admin-user-card.is-attention { border-left-color: var(--warning); }
  .admin-user-card.is-healthy { border-left-color: var(--success); }
  .admin-user-card-select { min-width: 0; padding: 0; color: var(--text-primary); background: transparent; border: 0; font-size: .83rem; font-weight: 650; overflow-wrap: anywhere; text-align: left; }
  .admin-user-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
  .admin-user-card-grid .admin-detail { min-height: auto; padding: 9px 0; border-left: 0; }
  .admin-user-detail { margin-top: 2px; }
  .admin-user-detail-grid { grid-template-columns: 1fr; }
  .admin-user-detail-grid .admin-detail:nth-child(2n + 2) { padding-left: 0; border-left: 0; }
  .month-calendar-scroller { margin-inline: 0; }
}

@media (max-width: 430px) {
  .public-header { width: calc(100% - 20px); }
  .public-brand .brand-mark { width: 36px; height: 36px; }
  .public-brand small { display: none; }
  .public-nav { gap: 12px; }
  .public-header-action .button { padding-inline: 8px; }
  .public-hero h1 { font-size: clamp(1.55rem, 7.6vw, 1.84rem); }
  .hero-preview-note { margin-left: 0; }
  .preview-card-heading { align-items: start; flex-direction: column; gap: 5px; }
  .preview-days, .preview-grid { grid-template-columns: 33px repeat(5, minmax(0, 1fr)); }
  .preview-event { padding: 5px 4px; font-size: .57rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-preview-card, .guide-target { transform: none; }
}

/* Cohesion pass: one shell, semantic theme tokens, and motion that degrades
   to the fully readable static state when JavaScript or motion is unavailable. */
:root {
  --background: #f7fafc;
  --surface: #ffffff;
  --surface-subtle: #f1f5f8;
  --border: #cbd7df;
  --border-subtle: #dde6ec;
  --text-primary: #17212b;
  --text-secondary: #42515e;
  --text-muted: #5d6b77;
  --brand-primary: #0f75b9;
  --brand-primary-hover: #0b659f;
  --brand-primary-active: #095782;
  --brand-secondary: #31517f;
  --brand-50: #eff8fd;
  --brand-100: #dff0fa;
  --brand-200: #b9dced;
  --success: #08734f;
  --success-bg: #eaf8f1;
  --warning: #885600;
  --warning-bg: #fff6dc;
  --danger: #a32f35;
  --danger-bg: #fff0f1;
  --info: #0f75b9;
  --body-size: 1rem;
  --secondary-size: 1rem;
  --meta-size: .8125rem;
  --calendar-min-day-column: 110px;
  --calendar-min-width: calc(7 * var(--calendar-min-day-column));
}

:root[data-theme="dark"] {
  --background: #0b1720;
  --surface: #101f2a;
  --surface-subtle: #152936;
  --border: #2e4655;
  --border-subtle: #233946;
  --text-primary: #edf6fa;
  --text-secondary: #c2d4dc;
  --text-muted: #a8c0ca;
  --brand-primary: #65c5f7;
  --brand-primary-hover: #8ad6fb;
  --brand-primary-active: #4bb2e8;
  --brand-secondary: #a6c7f2;
  --brand-50: #123044;
  --brand-100: #1b4056;
  --brand-200: #2d637d;
  --success: #69d7aa;
  --success-bg: #123b31;
  --warning: #f6ca70;
  --warning-bg: #463615;
  --danger: #ff9a9f;
  --danger-bg: #481f26;
  --info: #65c5f7;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    --background: #0b1720;
    --surface: #101f2a;
    --surface-subtle: #152936;
    --border: #2e4655;
    --border-subtle: #233946;
    --text-primary: #edf6fa;
    --text-secondary: #c2d4dc;
    --text-muted: #a8c0ca;
    --brand-primary: #65c5f7;
    --brand-primary-hover: #8ad6fb;
    --brand-primary-active: #4bb2e8;
    --brand-secondary: #a6c7f2;
    --brand-50: #123044;
    --brand-100: #1b4056;
    --brand-200: #2d637d;
    --success: #69d7aa;
    --success-bg: #123b31;
    --warning: #f6ca70;
    --warning-bg: #463615;
    --danger: #ff9a9f;
    --danger-bg: #481f26;
    --info: #65c5f7;
  }
}

html { color-scheme: light; background: var(--background); }
html[data-theme="dark"], html[data-theme="system"][data-theme-resolved="dark"] { color-scheme: dark; }
body { font-size: var(--body-size); line-height: 1.65; color: var(--text-primary); background: var(--background); }
body, button, input, select, dialog { transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease; }
html.theme-transitioning *, html.theme-transitioning *::before, html.theme-transitioning *::after { transition-duration: 180ms !important; }

/* Shared top bar replaces the former desktop sidebar and mobile bottom nav. */
.app-layout { display: flex; min-height: 100dvh; padding-bottom: 0; flex-direction: column; background: var(--background); }
.app-header { position: sticky; z-index: 30; top: 0; flex: 0 0 auto; background: var(--surface); border-bottom: 1px solid var(--border-subtle); }
.app-header-home { border-bottom-color: transparent; box-shadow: none; }
.app-header-inner { display: grid; width: min(1280px, calc(100% - 32px)); min-height: 72px; margin: 0 auto; grid-template-columns: minmax(0, auto) minmax(0, 1fr) auto; align-items: center; gap: 18px; }
.app-header-public .app-header-inner { grid-template-columns: minmax(0, 1fr) auto; }
.app-brand { min-width: 0; gap: 9px; }
.app-brand > span:last-child { display: grid; min-width: 0; gap: 1px; }
.app-brand strong { overflow: hidden; font-size: .98rem; text-overflow: ellipsis; white-space: nowrap; }
.app-brand small { overflow: hidden; color: var(--text-muted); font-size: .72rem; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
.brand-school-logo { display: block; width: 40px; height: 40px; flex: 0 0 auto; object-fit: contain; }
.app-header-nav { display: flex; min-width: 0; align-items: center; gap: 4px; justify-self: start; }
.app-header-link { display: inline-flex; min-height: 44px; padding: 9px 12px; align-items: center; gap: 7px; color: var(--text-secondary); border-radius: 9px; font-size: .9rem; font-weight: 600; text-decoration: none; transition: color 120ms ease, background-color 120ms ease; }
.app-header-link svg { width: 18px; height: 18px; }
.app-header-link:hover, .app-header-link:focus-visible, .app-header-link.is-active { color: var(--brand-primary); background: var(--brand-50); }
.app-header-link.is-active { box-shadow: inset 0 -2px 0 var(--brand-primary); }
.app-header-action { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.app-header-action .button { min-width: 96px; }
.profile-menu { position: relative; justify-self: end; }
.profile-menu > summary { list-style: none; }
.profile-menu > summary::-webkit-details-marker { display: none; }
.profile-trigger { display: inline-flex; min-height: 44px; padding: 4px 8px 4px 5px; align-items: center; gap: 8px; color: var(--text-secondary); background: transparent; border: 1px solid transparent; border-radius: 999px; cursor: pointer; font-size: .86rem; font-weight: 600; }
.profile-trigger:hover, .profile-menu[open] .profile-trigger { color: var(--brand-primary); background: var(--brand-50); border-color: var(--brand-200); }
.profile-trigger > svg { width: 16px; height: 16px; transition: transform 120ms ease; }
.profile-menu[open] .profile-trigger > svg { transform: rotate(180deg); }
.profile-avatar { display: grid; width: 32px; height: 32px; place-items: center; color: var(--brand-primary); background: var(--brand-100); border-radius: 50%; }
.profile-avatar svg { width: 18px; height: 18px; }
.profile-popover { position: absolute; z-index: 35; top: calc(100% + 8px); right: 0; display: grid; width: min(296px, calc(100vw - 24px)); padding: 9px; gap: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-float); }
.profile-links { display: grid; gap: 2px; padding-bottom: 4px; border-bottom: 1px solid var(--border-subtle); }
.profile-links .app-header-link { width: 100%; justify-content: flex-start; }
.profile-links .app-header-link.is-active { box-shadow: none; }
.profile-action { display: inline-flex; min-height: 44px; padding: 9px 12px; align-items: center; gap: 9px; color: var(--text-secondary); background: transparent; border: 0; border-radius: 8px; font-size: .88rem; font-weight: 600; text-align: left; }
.profile-action:hover, .profile-action:focus-visible { color: var(--danger); background: var(--danger-bg); }
.profile-action svg { width: 18px; height: 18px; }
.account-email { padding: 5px 8px 10px; overflow-wrap: anywhere; color: var(--text-muted); border-bottom: 1px solid var(--border-subtle); font-size: var(--meta-size); }
.theme-picker { display: grid; gap: 7px; padding: 10px 8px; }
.theme-picker-label { color: var(--text-secondary); font-size: var(--meta-size); font-weight: 600; }
.theme-choices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.theme-choice { min-height: 36px; padding: 6px 5px; color: var(--text-secondary); background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-radius: 7px; font-size: .75rem; font-weight: 600; }
.theme-choice:hover, .theme-choice:focus-visible, .theme-choice.is-selected { color: var(--brand-primary); background: var(--brand-50); border-color: var(--brand-200); }
.theme-choice.is-selected { box-shadow: inset 0 0 0 1px var(--brand-primary); }
.main-content { width: min(1460px, 100%); flex: 1 1 auto; padding: clamp(28px, 4vw, 52px); margin: 0 auto; }

/* One footer information architecture is shared by public and workspace routes. */
.app-footer { display: grid; width: min(1280px, calc(100% - 32px)); padding: 28px 0 34px; margin: auto auto 0; grid-template-columns: minmax(230px, 1.2fr) minmax(210px, .8fr) minmax(210px, .8fr); gap: 22px 36px; color: var(--text-secondary); border-top: 1px solid var(--border-subtle); }
.footer-brand { display: inline-flex; min-width: 0; align-items: center; gap: 10px; }
.footer-brand > span:last-child { display: grid; min-width: 0; gap: 2px; }
.footer-brand strong { color: var(--text-primary); font-size: .92rem; }
.footer-brand small { color: var(--text-muted); font-size: .78rem; line-height: 1.45; }
.footer-brand-mark { display: grid; width: 36px; height: 36px; flex: 0 0 auto; place-items: center; }
.footer-school-logo { display: block; width: 36px; height: 36px; object-fit: contain; }
.footer-mark { display: grid; width: 32px; height: 32px; flex: 0 0 auto; place-items: center; color: #fff; background: var(--brand-primary); border-radius: 9px; font-size: .8rem; font-weight: 700; }
.footer-links { display: grid; align-content: start; justify-content: start; gap: 7px; }
.footer-links a, .footer-contact a { color: var(--text-secondary); font-size: .84rem; font-weight: 600; text-decoration: none; }
.footer-links a:hover, .footer-links a:focus-visible, .footer-contact a:hover, .footer-contact a:focus-visible { color: var(--brand-primary); text-decoration: underline; }
.footer-contact { display: grid; align-content: start; justify-content: start; gap: 4px; }
.footer-contact span { color: var(--text-muted); font-size: .78rem; font-weight: 600; }
.footer-contact small { margin-top: 7px; color: var(--text-muted); font-size: .75rem; }
.footer-disclaimer { grid-column: 1 / -1; max-width: 86ch; color: var(--text-muted); font-size: .8rem; line-height: 1.55; }

/* The privacy policy uses the same modular card language as the homepage. */
.privacy-summary-grid { display: grid; width: min(1050px, 100%); grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0 0 18px; }
.privacy-summary-card { display: grid; min-height: 132px; padding: 18px; align-content: start; gap: 6px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); box-shadow: var(--shadow-card); }
.privacy-summary-card-accent { background: var(--brand-50); border-color: var(--brand-200); }
.privacy-summary-label, .privacy-card-kicker { color: var(--brand-primary); font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.privacy-summary-card strong { color: var(--text-primary); font-size: 1rem; }
.privacy-summary-card p { color: var(--text-secondary); font-size: var(--secondary-size); line-height: 1.55; }
.privacy-prose-grouped { width: min(1050px, 100%); max-width: none; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; background: transparent; border: 0; border-radius: 0; }
.privacy-prose-grouped section { display: grid; align-content: start; padding: 22px 24px; background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.privacy-prose-grouped section:first-child { grid-column: 1 / -1; background: var(--brand-50); border-color: var(--brand-200); }
.privacy-prose-grouped section:last-child { grid-column: 1 / -1; }
.privacy-prose-grouped h2 { margin-top: 7px; }
.privacy-prose-grouped p, .privacy-prose-grouped ul { margin-top: 10px; }

/* The timestamp popover is a dark surface in light mode; give it a tonal
   dark-mode pairing instead of light text on a light token. */
:root[data-theme="dark"] .timestamp-popover,
:root[data-theme="system"][data-theme-resolved="dark"] .timestamp-popover { color: var(--background); background: var(--text-primary); border: 1px solid var(--border); box-shadow: 0 16px 34px rgb(0 0 0 / 42%); }

.button[data-primary-cta] { transition: color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard); }
.button[data-primary-cta]:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 9px 22px rgb(15 117 185 / 20%); }
.button[data-primary-cta]:active:not(:disabled) { transform: translateY(0) scale(.985); }

/* Homepage journey and restrained motion. */
.journey-progress { position: sticky; z-index: 15; top: 72px; width: 100%; height: 2px; overflow: hidden; background: transparent; pointer-events: none; }
.journey-progress-bar { display: block; width: 100%; height: 100%; background: var(--brand-primary); transform: scaleX(0); transform-origin: left center; }
.motion-enabled [data-reveal], .motion-enabled .trust-strip, .motion-enabled .feature-card, .motion-enabled .steps-list li, .motion-enabled .control-card, .motion-enabled .public-cta { opacity: 0; transform: translateY(12px); }
.motion-enabled [data-reveal].is-revealed, .motion-enabled .trust-strip.is-revealed, .motion-enabled .feature-card.is-revealed, .motion-enabled .steps-list li.is-revealed, .motion-enabled .control-card.is-revealed, .motion-enabled .public-cta.is-revealed { opacity: 1; transform: none; transition: opacity 420ms var(--ease-standard) var(--reveal-delay, 0ms), transform 420ms var(--ease-standard) var(--reveal-delay, 0ms); }
.route-transition { opacity: 0; transform: translateY(6px); }
.route-transition.is-ready { opacity: 1; transform: none; transition: opacity 180ms var(--ease-standard), transform 180ms var(--ease-standard); }
.hero-preview[data-preview-demo] { outline: 0; }
.hero-preview[data-preview-demo]:focus-visible { outline: 3px solid rgb(15 117 185 / 42%); outline-offset: 5px; border-radius: var(--radius-xl); }
.preview-event, .hero-preview-card, .preview-week, .preview-day, .preview-focus-state { transition: transform 480ms var(--ease-standard), box-shadow 480ms var(--ease-standard), border-color 480ms var(--ease-standard), color 480ms var(--ease-standard), background-color 480ms var(--ease-standard), opacity 480ms var(--ease-standard); }
.cta-attention { animation: cta-ring 2.8s var(--ease-standard) 2; }
@keyframes cta-ring { 0%, 100% { box-shadow: 0 0 0 0 rgb(15 117 185 / 0%); } 35% { box-shadow: 0 0 0 5px rgb(15 117 185 / 13%); } }
@keyframes feature-calendar-pulse { 0%, 100% { transform: translateY(0) rotate(0); } 46% { transform: translateY(-2px) rotate(-4deg); } }
@keyframes feature-sync-turn { 0%, 22% { transform: rotate(0); } 65%, 82% { transform: rotate(180deg); } 100% { transform: rotate(360deg); } }
@keyframes feature-protection-pulse { 0%, 100% { transform: scale(1); } 45% { transform: scale(1.1); } }
.motion-enabled .feature-card.is-revealed .feature-icon-calendar svg { transform-box: fill-box; transform-origin: center; animation: feature-calendar-pulse 3.8s var(--ease-standard) infinite; }
.motion-enabled .feature-card.is-revealed .feature-icon-sync svg { transform-box: fill-box; transform-origin: center; animation: feature-sync-turn 4.8s ease-in-out infinite; }
.motion-enabled .feature-card.is-revealed .feature-icon-protection svg { transform-box: fill-box; transform-origin: center; animation: feature-protection-pulse 3.2s var(--ease-standard) infinite; }
@keyframes roadmap-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgb(15 117 185 / 0%); } 50% { box-shadow: 0 0 0 5px rgb(15 117 185 / 12%); } }
.roadmap-section { position: relative; }
.roadmap-list { position: relative; }
.roadmap-list::after { position: absolute; top: -1px; left: 0; width: 100%; height: 2px; content: ""; background: var(--brand-primary); transform: scaleX(0); transform-origin: left center; transition: transform 700ms var(--ease-standard); }
.roadmap-section.is-progressing .roadmap-list::after { transform: scaleX(1); }
.roadmap-item::before { width: 10px; height: 10px; flex: 0 0 auto; margin-top: 2px; content: ""; background: var(--surface); border: 2px solid var(--border); border-radius: 50%; transition: background-color 250ms ease, border-color 250ms ease, transform 250ms ease; }
.roadmap-item.is-revealed::before, .roadmap-item.is-current::before { background: var(--brand-primary); border-color: var(--brand-primary); transform: scale(1.08); }
.motion-enabled .roadmap-item.is-active::before { animation: roadmap-pulse 1.8s var(--ease-standard) infinite; }
.public-section p, .privacy-prose p, .privacy-prose li { font-size: var(--secondary-size); line-height: 1.65; }
.feature-card p, .steps-list p, .integration-copy > p, .control-card p, .public-cta p { font-size: var(--secondary-size); }
.hero-disclaimer, .form-helper, .support-note { font-size: var(--meta-size); }
.settings-overview-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.settings-overview-grid > div { display: grid; gap: 5px; padding: 14px; background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); }
.settings-overview-grid span { color: var(--text-muted); font-size: var(--meta-size); font-weight: 600; }
.settings-overview-grid strong { color: var(--text-primary); font-size: .94rem; }
.settings-overview-grid p { color: var(--text-secondary); font-size: .86rem; line-height: 1.55; }
.settings-overview-grid p strong { color: var(--text-secondary); font-size: inherit; }

/* Calendar geometry is independent of event count. The viewport owns the
   available width; the grid only adds its readable mobile minimum. */
.calendar-frame-fourWeek #calendarBoard { width: 100%; min-width: 0; overflow: hidden; }
.calendar-frame.calendar-frame-fourWeek #calendarBoard { width: 100%; min-width: 0; overflow: hidden; }
.calendar-frame-fourWeek #calendarBoard > .month-calendar-scroller { display: block; width: 100%; min-width: 0; max-width: 100%; }
.month-calendar-scroller { width: 100%; min-width: 0; max-width: 100%; box-sizing: border-box; }
.four-week-calendar { display: grid; width: 100%; min-width: var(--calendar-min-width); grid-template-columns: repeat(7, minmax(var(--calendar-min-day-column), 1fr)); }
.four-week-day-label, .four-week-day { min-width: 0; }
.four-week-day { overflow: hidden; }
.month-event { display: block; width: 100%; min-width: 0; min-height: 24px; max-width: 100%; padding: 4px 5px; overflow: hidden; color: var(--text-primary); font-size: .72rem; line-height: 1.3; text-overflow: ellipsis; white-space: nowrap; }
.calendar-empty-inline { width: 100%; min-width: var(--calendar-min-width); font-size: var(--secondary-size); }
.tone-0 { color: #0a5b80; background: #d8eef8; }
.tone-1 { color: #2e4f8a; background: #e1e9fb; }
.tone-2 { color: #176b7d; background: #d8eff2; }
.tone-3 { color: #3d607b; background: #e5eef5; }
.tone-4 { color: #0e5b74; background: #d9ecf5; }
.tone-5 { color: #3d5686; background: #e4eafa; }
:root[data-theme="dark"] .tone-0, :root[data-theme="system"][data-theme-resolved="dark"] .tone-0 { color: #b7e5fa; background: #153f54; }
:root[data-theme="dark"] .tone-1, :root[data-theme="system"][data-theme-resolved="dark"] .tone-1 { color: #c1d4fa; background: #263b62; }
:root[data-theme="dark"] .tone-2, :root[data-theme="system"][data-theme-resolved="dark"] .tone-2 { color: #afe1e7; background: #17424b; }
:root[data-theme="dark"] .tone-3, :root[data-theme="system"][data-theme-resolved="dark"] .tone-3 { color: #c4d9e8; background: #26404f; }
:root[data-theme="dark"] .tone-4, :root[data-theme="system"][data-theme-resolved="dark"] .tone-4 { color: #b4e0f0; background: #173d4c; }
:root[data-theme="dark"] .tone-5, :root[data-theme="system"][data-theme-resolved="dark"] .tone-5 { color: #c5d4f1; background: #2b3b5d; }

@media (max-width: 767px) {
  .app-header-inner { width: calc(100% - 24px); min-height: 60px; gap: 8px; }
  .app-header-nav { gap: 0; }
  .app-header-link { padding-inline: 7px; gap: 4px; font-size: .74rem; }
  .app-header-link svg { width: 16px; height: 16px; }
  .app-brand { gap: 7px; }
  .brand-school-logo { width: 32px; height: 32px; }
  .app-brand strong { font-size: .86rem; }
  .app-brand small { display: none; }
  .profile-trigger { padding-right: 4px; }
  .profile-trigger-label, .profile-trigger > svg { display: none; }
  .profile-avatar { width: 32px; height: 32px; }
  .main-content { padding: 24px 16px; }
  .app-footer { width: calc(100% - 32px); padding: 24px 0 30px; grid-template-columns: 1fr; gap: 16px; }
  .footer-links, .footer-contact { justify-content: start; }
  .footer-disclaimer { grid-column: auto; }
  .journey-progress { top: 60px; }
  .public-main { padding-bottom: 48px; }
  .settings-overview-grid { grid-template-columns: 1fr; }
  .privacy-summary-grid, .privacy-prose-grouped { grid-template-columns: 1fr; }
  .privacy-prose-grouped section:first-child, .privacy-prose-grouped section:last-child { grid-column: auto; }
}

@media (max-width: 430px) {
  .app-header-inner { width: calc(100% - 20px); }
  .app-header-link span { font-size: .69rem; }
  .app-header-link { padding-inline: 5px; }
  .app-brand strong { max-width: 112px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body, button, input, select, dialog, .route-transition, .route-transition.is-ready, .roadmap-list::after, .roadmap-item::before { transition-duration: .01ms !important; }
  .motion-enabled [data-reveal], .motion-enabled .trust-strip, .motion-enabled .feature-card, .motion-enabled .steps-list li, .motion-enabled .control-card, .motion-enabled .public-cta { opacity: 1; transform: none; }
  .route-transition { opacity: 1; transform: none; }
  .cta-attention { animation: none; }
  .hero-preview-card, .hero-preview-card .preview-event { transform: none; box-shadow: none; }
  .feature-icon svg, .roadmap-item.is-active::before { animation: none; }
  .roadmap-list::after { transform: scaleX(1); }
  .roadmap-item::before { background: var(--brand-primary); border-color: var(--brand-primary); }
}

@media (max-width: 767px) {
  .hero-preview-card { transform: none; }
}

.roadmap-item { padding-right: 14px; gap: 10px; transition: color 360ms var(--ease-standard), border-color 360ms var(--ease-standard), opacity 320ms var(--ease-standard), transform 320ms var(--ease-standard); }
.roadmap-section.is-resetting .roadmap-item { opacity: 1; transform: none; }
.roadmap-section.is-progressing .roadmap-list::after { transform: scaleX(0); transition: transform 720ms var(--ease-standard); }
.roadmap-section[data-roadmap-stage="1"] .roadmap-list::after { transform: scaleX(.333); }
.roadmap-section[data-roadmap-stage="2"] .roadmap-list::after { transform: scaleX(.666); }
.roadmap-section[data-roadmap-stage="3"] .roadmap-list::after, .roadmap-section[data-roadmap-stage="complete"] .roadmap-list::after { transform: scaleX(1); }
.roadmap-item.is-complete::before { background: var(--brand-primary); border-color: var(--brand-primary); transform: scale(1.08); }
.roadmap-item.is-active::before { background: var(--surface); border-color: var(--brand-primary); box-shadow: 0 0 0 5px rgb(15 117 185 / 12%); transform: scale(1.12); }

.calendar-heading #calendarSyncMeta { min-height: 1.58em; display: flex; align-items: center; }
.cache-message { min-height: 2.35em; display: flex; align-items: center; }


/* GSAP homepage system: sharp timetable content, a decorative shell, and a
   lightweight SVG transfer rail. */
.public-main { overflow-x: clip; }
.public-hero h1.hero-title { --hero-title-row-gap: clamp(12px, 1.4vw, 20px); display: flex; min-width: 0; flex-direction: column; gap: var(--hero-title-row-gap); }
.public-hero h1.hero-title .hero-title-line { display: block; min-width: 0; white-space: nowrap; }
.public-hero h1.hero-title .hero-title-line-second { white-space: normal; }
.hero-title-nowrap, .hero-copy-nowrap { white-space: nowrap; }
.hero-copy-group { display: inline-block; max-width: 100%; }
.hero-preview { --preview-radius-shell: var(--radius-xl); --preview-radius-focus: var(--radius-md); --preview-radius-event: var(--radius-sm); --preview-time-gutter: clamp(40px, 7vw, 54px); max-width: 600px; padding: 26px 24px 26px 32px; }
.hero-preview-card { overflow: visible; border-width: 1px; border-color: var(--border); border-radius: var(--preview-radius-shell); background: var(--surface); filter: none; opacity: 1; transform: none; isolation: isolate; will-change: auto; }
.hero-preview-card::before { position: absolute; z-index: -1; inset: -10px; content: ""; border: 2px solid var(--brand-200); border-radius: calc(var(--preview-radius-shell) + 10px); background: var(--brand-50); box-shadow: 0 18px 38px rgb(23 33 43 / 10%); transform: rotate(-2deg) translate(-3px, 3px); }
.preview-content { position: relative; z-index: 1; overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--brand-200) transparent; }
.preview-card-heading, .preview-card-footer { position: relative; z-index: 2; }
.preview-days, .preview-grid { --preview-time-gutter: inherit; }
.preview-grid { position: relative; min-height: 300px; grid-template-rows: repeat(6, minmax(40px, 1fr)); border: 1px solid var(--border-subtle); border-radius: var(--preview-radius-focus); background: var(--surface-subtle); }
.preview-grid-lines { position: absolute; z-index: 0; inset: 0; background-image: linear-gradient(to right, transparent 0 calc(var(--preview-time-gutter) - 1px), var(--border-subtle) calc(var(--preview-time-gutter) - 1px) var(--preview-time-gutter), transparent var(--preview-time-gutter) 100%), repeating-linear-gradient(to right, transparent 0 calc(20% - .5px), var(--border-subtle) calc(20% - .5px) calc(20% + .5px), transparent calc(20% + .5px) 20%), repeating-linear-gradient(to bottom, transparent 0, transparent calc(16.6667% - .5px), var(--border-subtle) calc(16.6667% - .5px) calc(16.6667% + .5px), transparent calc(16.6667% + .5px) 16.6667%); background-position: 0 0, var(--preview-time-gutter) 0, 0 0; background-repeat: no-repeat; background-size: 100% 100%, calc(100% - var(--preview-time-gutter)) 100%, 100% 100%; pointer-events: none; }
.preview-time, .preview-event { position: relative; z-index: 1; }
.preview-time { align-self: start; padding-top: 3px; color: var(--text-secondary); font-size: .62rem; font-variant-numeric: tabular-nums; }
.preview-time-0700 { grid-column: 1; grid-row: 1; }
.preview-time-0900 { grid-column: 1; grid-row: 2; }
.preview-time-1100 { grid-column: 1; grid-row: 3; }
.preview-time-1300 { grid-column: 1; grid-row: 4; }
.preview-time-1500 { grid-column: 1; grid-row: 5; }
.preview-time-1700 { grid-column: 1; grid-row: 6; }
.preview-day { min-width: 0; padding: 5px 4px; border: 1px solid var(--border-subtle); border-radius: var(--preview-radius-focus); background: var(--surface-subtle); color: var(--text-secondary); transition: color 260ms var(--ease-standard), background-color 260ms var(--ease-standard), border-color 260ms var(--ease-standard), box-shadow 260ms var(--ease-standard); }
.preview-day.is-preview-active { border-color: var(--brand-200); background: var(--brand-50); color: var(--brand-primary); box-shadow: inset 0 -2px 0 var(--brand-primary), 0 0 0 2px rgb(15 117 185 / 15%); }
.preview-event { display: grid; min-width: 0; min-height: 60px; padding: 7px 8px; align-content: center; gap: 2px; overflow: hidden; border: 1px solid rgb(23 33 43 / 8%); border-left: 3px solid currentColor; border-radius: var(--preview-radius-event); font-size: .65rem; line-height: 1.18; text-overflow: clip; white-space: normal; box-shadow: 0 2px 6px rgb(23 33 43 / 8%); transition: transform 420ms var(--ease-standard), box-shadow 420ms var(--ease-standard), border-color 420ms var(--ease-standard); }
.preview-event-subject, .preview-event-room { display: block; min-width: 0; overflow: visible; text-overflow: clip; white-space: nowrap; }
.preview-event-subject { font-weight: 650; }
.preview-event-room { color: currentColor; font-size: .58rem; font-weight: 500; opacity: .78; }
.preview-event.is-preview-active { border-color: currentColor; box-shadow: 0 0 0 2px rgb(15 117 185 / 24%), 0 7px 14px rgb(15 117 185 / 12%); }
.preview-event-blue { color: #155f86; background: #d9eff9; }
.preview-event-violet { color: #24518f; background: #e1eafb; }
.preview-event-sand { color: #805500; background: #fff2c9; }
.preview-event-green { color: #146b50; background: #dff4e9; }
.preview-event-anatomy { grid-column: 2; grid-row: 1 / span 2; }
.preview-event-pharmacology { grid-column: 3; grid-row: 1 / span 2; }
.preview-event-biochemistry { grid-column: 4; grid-row: 4 / span 2; }
.preview-event-morphology { grid-column: 5; grid-row: 1 / span 2; }
.preview-event-pathology { grid-column: 5; grid-row: 4 / span 2; }

.focus-section .section-intro { max-width: none; }
.focus-section .section-intro h2 { font-size: clamp(1.55rem, 2.3vw, 2.05rem); }
.focus-section .section-intro > p:last-child { width: 100%; max-width: none; }

.control-card .eyebrow, .public-cta .eyebrow, .integration-section .eyebrow { color: var(--brand-primary); }
.roadmap-section .section-intro { max-width: min(100%, 960px); }
.roadmap-description { width: 100%; max-width: none; text-wrap: pretty; }
.integration-visual { min-height: 190px; gap: clamp(24px, 4vw, 46px); isolation: isolate; }
.integration-node { z-index: 3; overflow: visible; border-radius: var(--radius-md); }
.integration-node-content { position: relative; z-index: 2; display: grid; align-content: center; justify-items: center; gap: 6px; }
.integration-node-content > svg, .integration-node-content .google-glyph { width: 28px; height: 28px; margin-bottom: 3px; }
.integration-node strong { font-size: .76rem; }
.integration-node small { color: var(--text-muted); font-size: .68rem; }
.integration-node-app svg { color: var(--brand-primary); }
.google-glyph { display: grid; place-items: center; color: #4285f4; font-size: 1.4rem; font-weight: 600; }
.integration-card-trace { position: absolute; z-index: 1; inset: -1px; width: calc(100% + 2px); height: calc(100% + 2px); overflow: visible; color: var(--brand-primary); pointer-events: none; }
.integration-card-trace path, .integration-card-trace rect { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.integration-card-trace .integration-trace, .integration-card-trace .integration-converge, .integration-card-trace .integration-port { opacity: 0; }
.integration-card-trace .integration-port { fill: currentColor; stroke: var(--surface); stroke-width: 1.5; }
.integration-rail { position: absolute; z-index: 1; top: 50%; right: 18%; left: 18%; height: 24px; transform: translateY(-50%); pointer-events: none; }
.integration-transfer-svg { width: 100%; height: 20px; overflow: visible; }
.integration-transfer-svg path { fill: none; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.integration-rail-base { stroke: var(--brand-200); stroke-width: 1.5; stroke-dasharray: 2 4; opacity: .9; }
.integration-rail-progress { stroke: var(--brand-primary); stroke-width: 2.5; opacity: 0; }
.integration-stream { stroke: var(--brand-primary); stroke-width: 4; stroke-dasharray: 9 9; opacity: 0; }

@media (max-width: 1199px) {
  .public-hero { grid-template-columns: minmax(0, 1fr) minmax(380px, .88fr); gap: clamp(28px, 4vw, 52px); }
  .public-hero h1 { font-size: clamp(2.35rem, 5.2vw, 4rem); }
  .hero-preview { max-width: 560px; padding-left: 18px; }
}

@media (max-width: 1050px) {
  .public-hero { display: flex; min-height: 0; padding-top: 70px; flex-direction: column; align-items: stretch; }
  .public-hero-copy { max-width: 760px; }
  .hero-preview { width: min(100%, 600px); max-width: 600px; align-self: center; padding-left: 0; }
}

@media (max-width: 767px) {
  .public-hero h1.hero-title .hero-title-line { display: block; }
  .public-hero h1.hero-title .hero-title-line-second { white-space: normal; }
  .hero-preview { width: 100%; padding: 20px 0; }
  .hero-preview-card { padding: 14px; }
  .hero-preview-card::before { inset: -5px; border-radius: calc(var(--preview-radius-shell) + 5px); transform: rotate(-.7deg) translate(-1px, 2px); }
  .preview-grid { min-height: 268px; }
  .integration-visual { min-height: 176px; gap: 18px; }
  .integration-rail { right: 15%; left: 15%; }
}

@media (max-width: 430px) {
  .preview-days, .preview-grid { --preview-time-gutter: 34px; }
  .preview-event { min-height: 54px; padding: 5px 4px; font-size: .59rem; }
  .preview-event-subject, .preview-event-room { overflow: hidden; text-overflow: ellipsis; }
  .preview-event-room { font-size: .54rem; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-preview-card, .guide-target { transform: none; }
  .hero-preview-card::before { transform: rotate(-.7deg) translate(-1px, 2px); }
  .preview-day, .preview-event { transition: none; }
  .preview-day.is-preview-active { box-shadow: inset 0 -2px 0 var(--brand-primary); }
  .preview-event.is-preview-active { box-shadow: 0 2px 6px rgb(23 33 43 / 8%); }
  .integration-card-trace .integration-trace, .integration-card-trace .integration-converge, .integration-card-trace .integration-port, .integration-rail-progress, .integration-stream { opacity: 0; }
  .integration-node, .integration-node.is-revealed { opacity: 1; transform: none; }
  .roadmap-section.is-resetting .roadmap-item { opacity: 1; transform: none; }
  .roadmap-section[data-roadmap-stage] .roadmap-list::after { transform: scaleX(1); }
}

/* Timetable pixels remain stationary; emphasis never scales text or the grid. */
.hero-preview .preview-days, .hero-preview .preview-grid {
  --preview-time-gutter: 52px;
  min-width: 490px;
  grid-template-columns: var(--preview-time-gutter) repeat(5, minmax(0, 1fr));
  column-gap: 0;
}
.hero-preview .preview-grid { padding: 0; row-gap: 0; min-height: 336px; grid-template-rows: repeat(6, 56px); border-color: var(--border); }
.hero-preview .preview-grid-lines {
  inset: 0 0 0 -8px;
  background-image: repeating-linear-gradient(to bottom, transparent 0 55px, var(--border) 55px 56px);
  background-size: 100% 100%;
}
.hero-preview .preview-time { padding: 10px 6px; font-size: .72rem; line-height: 1.4; text-align: right; border-right: 1px solid var(--border); }
.hero-preview .preview-day { margin: 0 3px; padding: 8px 4px; border-radius: var(--radius-sm); font-size: .75rem; }
.hero-preview .preview-event {
  width: calc(100% - 6px);
  height: 104px;
  min-height: 104px;
  max-height: 104px;
  margin: 4px 3px;
  padding: 8px 6px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 3px;
  align-self: start;
  text-align: left;
  overflow: visible;
  border: 1px solid currentColor;
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  font-size: .75rem;
  line-height: 1.4;
  transition: box-shadow 600ms ease, border-color 600ms ease;
}
.hero-preview .preview-event-subject { align-self: flex-start; font-size: inherit; font-weight: 650; white-space: normal; overflow: visible; text-overflow: clip; overflow-wrap: normal; }
.hero-preview .preview-event-room { color: color-mix(in srgb, currentColor 90%, transparent); font-size: .7rem; font-weight: 500; line-height: 1.4; white-space: nowrap; opacity: 1; overflow: visible; text-overflow: clip; }
.hero-preview-card, .hero-preview .preview-content, .hero-preview .preview-day, .hero-preview .preview-event { transform: none; filter: none; }
.roadmap-section { padding-top: clamp(40px, 5vw, 64px); }
.roadmap-section[data-roadmap-stage] .roadmap-list::after { transform: scaleX(var(--roadmap-progress, 1)); opacity: var(--roadmap-rail-opacity, 1); transition: none; }
.integration-visual { display: grid; grid-template-columns: repeat(2, minmax(0, 150px)); justify-content: center; align-items: center; }
.integration-visual .integration-node { width: 100%; height: 128px; min-height: 128px; padding: 14px 8px; opacity: 1; }
.integration-node-content { min-width: 0; }
.integration-rail-base { stroke-dasharray: none; opacity: .65; }
.integration-converge, .integration-port, .integration-stream { display: none; }
/* Each column needs room for its full composition, including backing frame. */
.public-hero { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 560px), 1fr)); gap: 48px; }
.public-hero .hero-preview { width: 100%; max-width: 560px; padding: 0; margin: 0; justify-self: center; }
.preview-viewport { position: relative; width: 100%; aspect-ratio: 560 / 510; }
.preview-scale-shell { position: absolute; top: 0; left: 0; width: 560px; padding: 20px; transform-origin: top left; }
.hero-preview .preview-frame { width: 520px; padding: 14px; }
.hero-preview .preview-content { overflow: visible; }
.hero-preview .preview-card-heading { flex-direction: row; align-items: center; }
.hero-preview .preview-frame::before { inset: -6px; transform: rotate(-1deg); }
.hero-preview .preview-grid { padding-block: 10px; min-height: 356px; }
.hero-preview .preview-grid-lines { top: 10px; bottom: 10px; }
.hero-preview .preview-time { padding-top: 8px; }
@media (max-width: 767px) {
  .roadmap-section .roadmap-list { border-top: 0; }
  .roadmap-section .roadmap-item { position: relative; padding: 14px 0; border: 0; }
  .roadmap-section .roadmap-item::before { position: relative; z-index: 1; }
  .roadmap-section .roadmap-list::before,
  .roadmap-section[data-roadmap-stage] .roadmap-list::after {
    content: ""; position: absolute; left: 4px; top: 20px; bottom: 20px;
    width: 2px; height: auto; transform-origin: center top;
  }
  .roadmap-section .roadmap-list::before { background: var(--border); }
  .roadmap-section[data-roadmap-stage] .roadmap-list::after { transform: scaleY(var(--roadmap-progress, 1)); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-preview .preview-event, .hero-preview .preview-day { transition: none; }
}