/* Campus Web — mirrors the SwiftUI Mac app (Theme.swift, Components.swift). */
:root {
  --campus-ink: #1a1a1c;
  --campus-sub: #6b6b73;
  --campus-faint: #9999a1;
  --campus-line: rgba(0, 0, 0, .08);
  --campus-hairline: rgba(0, 0, 0, .06);
  --campus-fill: rgba(0, 0, 0, .04);
  --campus-fill-strong: rgba(0, 0, 0, .07);
  --campus-canvas: #f9f8f7;
  --campus-surface: #fff;
  --campus-on-ink: #fff;
  --campus-sidebar: #efeeed;
  --campus-selection: rgba(0, 0, 0, .08);
  --campus-red: #c73a3a;
  --campus-control: #fff;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
  font: 13px/1.3 var(--font);
  -webkit-font-smoothing: antialiased;
  font-synthesis: none;
}
body[data-theme="dark"] {
  --campus-ink: #ededed;
  --campus-sub: #b8b8b8;
  --campus-faint: #9b9b9b;
  --campus-line: rgba(255, 255, 255, .12);
  --campus-hairline: rgba(255, 255, 255, .08);
  --campus-fill: rgba(255, 255, 255, .05);
  --campus-fill-strong: rgba(255, 255, 255, .1);
  --campus-canvas: #2b2e33;
  --campus-surface: #383b40;
  --campus-on-ink: #1a1a1a;
  --campus-sidebar: #232529;
  --campus-selection: rgba(255, 255, 255, .1);
  --campus-red: #ff6961;
  --campus-control: #45484d;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; color: var(--campus-ink); background: var(--campus-canvas); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; }
a { color: inherit; }
:focus-visible { outline: 2px solid color-mix(in srgb, var(--campus-ink) 55%, transparent); outline-offset: 2px; }
[hidden] { display: none !important; }

/* Type */
.micro { font-size: 10.5px; font-weight: 600; letter-spacing: 1.3px; text-transform: uppercase; color: var(--campus-faint); line-height: 1.2; }
.headline { font-size: 13px; font-weight: 700; color: var(--campus-ink); }
.subheadline { font-size: 11px; line-height: 1.35; }
.caption { font-size: 10px; line-height: 1.35; }
.caption2 { font-size: 10px; line-height: 1.3; }
.strong { font-weight: 600; color: var(--campus-ink); }
.ink { color: var(--campus-ink); }
.sub { color: var(--campus-sub); }
.faint { color: var(--campus-faint); }
.mono { font-variant-numeric: tabular-nums; }
.one-line { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.grow { flex: 1 1 auto; min-width: 0; }
.spacer { flex: 1 1 auto; }
.display-20, .display-22, .display-24 { margin: 0; font-family: var(--serif); font-weight: 600; color: var(--campus-ink); line-height: 1.15; }
.display-20 { font-size: 20px; }
.display-22 { font-size: 22px; }
.display-24 { font-size: 24px; }
.icon { width: 14px; height: 14px; flex: none; }

/* Window shell: NavigationSplitView */
.app-shell { height: 100vh; display: grid; grid-template-columns: 200px minmax(0, 1fr); }
.sidebar { display: flex; flex-direction: column; height: 100vh; padding: 14px 10px 12px; background: var(--campus-sidebar); border-right: 1px solid var(--campus-line); overflow: auto; }
.brand { padding: 4px 8px 14px; font-size: 13px; font-weight: 700; color: var(--campus-ink); }
.brand-mark { display: none; }
.navigation { display: flex; flex-direction: column; gap: 1px; }
.nav-heading { padding: 16px 8px 5px; }
.nav-item { display: flex; align-items: center; gap: 8px; width: 100%; height: 28px; padding: 0 8px; border: 0; border-radius: 6px; background: none; color: var(--campus-ink); font-size: 13px; text-align: left; }
.nav-item .nav-icon { width: 15px; height: 15px; color: var(--campus-ink); stroke-width: 1.7; }
.nav-item:hover { background: var(--campus-fill); }
.nav-item.active { background: var(--campus-selection); font-weight: 500; }
.nav-badge { margin-left: auto; padding: 1px 6px; border-radius: 999px; background: var(--campus-fill); color: var(--campus-sub); font-size: 10px; font-weight: 600; font-variant-numeric: tabular-nums; }
.sidebar-bottom { margin-top: auto; padding-top: 8px; }
#settings-button { color: var(--campus-sub); height: 32px; }
#settings-button .nav-icon { color: var(--campus-sub); }
#settings-button:hover { background: none; opacity: .72; }
.local-note { display: none; }
.app-promo { position: relative; margin: 0 0 8px; border: 1px solid var(--campus-line); border-radius: 10px; background: var(--campus-surface); }
.app-promo:hover { border-color: var(--campus-fill-strong); background: color-mix(in srgb, var(--campus-surface) 92%, var(--campus-ink)); }
.app-promo-link { display: flex; align-items: center; gap: 8px; padding: 9px 26px 9px 9px; color: var(--campus-ink); text-decoration: none; }
.app-promo-link img { width: 28px; height: 28px; flex: none; }
.app-promo-link > span { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.app-promo-title { font-size: 12px; font-weight: 600; }
.app-promo-sub { font-size: 10.5px; line-height: 1.3; color: var(--campus-sub); }
.app-promo-close { position: absolute; top: 4px; right: 4px; display: grid; place-items: center; width: 20px; height: 20px; padding: 0; border: 0; border-radius: 5px; background: none; color: var(--campus-faint); }
.app-promo-close:hover { background: var(--campus-fill-strong); color: var(--campus-ink); }
.app-promo-close .icon { width: 11px; height: 11px; }
.sidebar-legal { display: flex; gap: 12px; padding: 4px 8px 0; font-size: 10px; color: var(--campus-faint); }
.sidebar-legal a { text-decoration: none; }
.sidebar-legal a:hover { text-decoration: underline; }
.main-column { min-width: 0; height: 100vh; display: flex; flex-direction: column; }
.topbar { display: none; }
.view { flex: 1; min-height: 0; overflow: auto; outline: none; background: var(--campus-canvas); }
.page { padding: 28px; display: flex; flex-direction: column; gap: 16px; min-height: 100%; }

/* SectionHeader */
.section-header { display: flex; align-items: center; gap: 12px; }
.section-title { flex: 1 1 auto; min-width: 0; }
.section-title h1 { margin: 0; font: 600 30px/1.15 var(--serif); color: var(--campus-ink); }
.section-title p { margin: 5px 0 0; font-size: 11px; color: var(--campus-sub); }
.header-pills { display: flex; gap: 8px; align-self: baseline; }

/* Card */
.card { background: var(--campus-surface); border: 1px solid var(--campus-line); border-radius: 12px; box-shadow: 0 2px 5px rgba(0, 0, 0, .04); padding: 18px; min-width: 0; }
.card-head { display: flex; align-items: center; gap: 7px; margin-bottom: 14px; }
.card-head > .icon { width: 12px; height: 12px; color: var(--campus-faint); stroke-width: 2.2; }
.hairline { height: 1px; background: var(--campus-hairline); flex: none; }
.rows > * + * { border-top: 1px solid var(--campus-hairline); }

/* TagPill */
.pill { display: inline-flex; align-items: center; padding: 3px 7px; border: 1px solid var(--campus-line); border-radius: 999px; color: var(--campus-sub); font-size: 9.5px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase; white-space: nowrap; line-height: 1.1; }
.pill.filled { background: var(--campus-ink); border-color: transparent; color: var(--campus-on-ink); }

/* Deadline badge */
.deadline { display: inline-flex; flex: none; padding: 3px 7px; border-radius: 999px; font-size: 9.5px; font-weight: 700; letter-spacing: .6px; font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--tone); background: var(--tone-bg); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--tone) 16%, transparent); }
.deadline.done, .deadline.plain { --tone: var(--campus-sub); --tone-bg: var(--campus-fill); }
.deadline.overdue { --tone: #ad1414; --tone-bg: rgba(255, 59, 48, .11); }
.deadline.red { --tone: #b80f0d; --tone-bg: rgba(255, 59, 48, .14); }
.deadline.orange { --tone: #b84a05; --tone-bg: rgba(255, 149, 0, .16); }
.deadline.yellow { --tone: #8c6b05; --tone-bg: rgba(255, 204, 0, .22); }
body[data-theme="dark"] .deadline.overdue, body[data-theme="dark"] .deadline.red { --tone: #ff8a80; }
body[data-theme="dark"] .deadline.orange { --tone: #ffb35c; }
body[data-theme="dark"] .deadline.yellow { --tone: #ffd54f; }

/* Buttons: campusProminent / campusOutline / campusIcon */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 26px; padding: 5px 12px; border: 1px solid var(--campus-line); border-radius: 999px; background: var(--campus-surface); color: var(--campus-ink); font-size: 12px; font-weight: 500; line-height: 1.2; text-decoration: none; white-space: nowrap; transition: transform .3s cubic-bezier(.2, .9, .3, 1), opacity .16s, background .16s; }
.btn .icon { width: 12px; height: 12px; stroke-width: 2; }
.btn:hover:not(:disabled) { background: color-mix(in srgb, var(--campus-surface) 92%, var(--campus-ink)); }
.btn:active:not(:disabled) { background: var(--campus-fill-strong); transform: scale(.97); transition-duration: .08s; }
.btn:disabled { opacity: .45; }
.btn.prominent { border-color: transparent; background: var(--campus-ink); color: var(--campus-on-ink); font-weight: 600; padding: 5px 13px; }
.btn.prominent:hover:not(:disabled) { background: color-mix(in srgb, var(--campus-ink) 86%, var(--campus-canvas)); }
.btn.prominent:active:not(:disabled) { background: color-mix(in srgb, var(--campus-ink) 72%, var(--campus-canvas)); }
.btn.large { font-size: 17px; font-weight: 600; padding: 15px 22px; gap: 9px; }
.btn.large .icon { width: 17px; height: 17px; }
.btn.destructive { color: var(--campus-red); }
.btn.bordered-destructive { align-self: flex-start; border-radius: 6px; min-height: 24px; padding: 3px 10px; color: var(--campus-red); background: color-mix(in srgb, var(--campus-red) 10%, var(--campus-surface)); border-color: color-mix(in srgb, var(--campus-red) 25%, transparent); font-size: 13px; }
.icon-button { display: grid; place-items: center; flex: none; width: 26px; height: 26px; border: 0; border-radius: 50%; background: var(--campus-fill); color: var(--campus-sub); transition: transform .3s cubic-bezier(.2, .9, .3, 1); }
.icon-button .icon { width: 12px; height: 12px; stroke-width: 2.2; }
.icon-button:hover { background: var(--campus-fill-strong); }
.icon-button:active { transform: scale(.97); }
.btn.icon-capsule { width: 38px; padding: 5px 0; }
.plain-link { border: 0; background: none; padding: 0; color: var(--campus-sub); font-size: 12px; }
.plain-link:hover { opacity: .72; }
.soft-capsule { display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 999px; padding: 5px 9px; background: var(--campus-fill); color: var(--campus-sub); font-size: 11px; font-weight: 500; }
.soft-capsule .icon { width: 11px; height: 11px; }
.button-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.stacked-buttons { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.spinner { width: 12px; height: 12px; flex: none; border-radius: 50%; border: 1.6px solid color-mix(in srgb, currentColor 25%, transparent); border-top-color: currentColor; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Segmented picker */
.segmented { display: flex; flex: none; max-width: 100%; padding: 2px; gap: 2px; border-radius: 7px; background: var(--campus-fill-strong); }
.segmented button { flex: 1 1 0; min-width: 0; height: 20px; padding: 0 10px; border: 0; border-radius: 5px; background: none; color: var(--campus-ink); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.segmented button:hover:not(.active) { background: var(--campus-fill); }
.segmented button.active { background: var(--campus-control); box-shadow: 0 1px 2px rgba(0, 0, 0, .14), 0 0 0 .5px rgba(0, 0, 0, .06); font-weight: 500; }

/* Inputs */
.text-field, .row-field, .popup, .grouped-form input, .grouped-form textarea { height: 22px; padding: 2px 7px; border: 1px solid var(--campus-line); border-radius: 5px; background: var(--campus-control); color: var(--campus-ink); font-size: 13px; box-shadow: inset 0 .5px 1px rgba(0, 0, 0, .06); outline: none; }
.text-field:focus, .row-field:focus, .subject-field:focus, .popup:focus, .grouped-form input:focus, .grouped-form textarea:focus, .note-editor:focus, .notes-field:focus, .event-title-field:focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--campus-ink) 18%, transparent); }
.text-field:disabled, .row-field:disabled { opacity: .5; }
.popup { height: 22px; padding: 0 6px; }
.checkbox { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; cursor: pointer; }
.checkbox input { width: 14px; height: 14px; margin: 0; accent-color: var(--campus-ink); }
.checkbox:has(input:disabled) { opacity: .5; cursor: default; }
.checkbox-row { display: flex; flex-wrap: wrap; gap: 18px; }
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch-track { position: relative; width: 26px; height: 15px; flex: none; border-radius: 999px; background: var(--campus-fill-strong); box-shadow: inset 0 0 0 1px var(--campus-line); transition: background .2s; }
.switch-track::after { content: ""; position: absolute; top: 1.5px; left: 1.5px; width: 12px; height: 12px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .25); transition: transform .2s; }
.switch input:checked + .switch-track { background: var(--campus-ink); }
.switch input:checked + .switch-track::after { transform: translateX(11px); }
.switch input:focus-visible + .switch-track { outline: 2px solid var(--campus-sub); outline-offset: 2px; }
.switch input:disabled + .switch-track { opacity: .5; }
.field-group { display: flex; flex-direction: column; gap: 6px; }

/* TimeEditor: two NSSteppers */
.time-editor { display: inline-flex; align-items: center; gap: 6px; }
.time-editor .colon { color: var(--campus-faint); }
.stepper { display: inline-flex; align-items: center; justify-content: space-between; gap: 6px; width: 64px; font-variant-numeric: tabular-nums; font-size: 13px; }
.stepper > span:first-child { flex: 1; text-align: left; }
.stepper-arrows { display: inline-flex; flex-direction: column; width: 13px; height: 22px; border-radius: 4px; background: var(--campus-control); box-shadow: 0 0 0 .5px rgba(0, 0, 0, .18), 0 1px 1px rgba(0, 0, 0, .08); overflow: hidden; }
.stepper-arrows button { flex: 1; display: grid; place-items: center; padding: 0; border: 0; background: none; color: var(--campus-sub); }
.stepper-arrows button:hover:not(:disabled) { background: var(--campus-fill-strong); }
.stepper-arrows button:active:not(:disabled) { background: var(--campus-ink); color: var(--campus-on-ink); }
.stepper-arrows svg { width: 7px; height: 5px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.time-editor.disabled { opacity: .5; }

/* Pull-down menus (Menu with .borderlessButton) */
.menu { position: relative; flex: none; }
.menu summary { list-style: none; }
.menu summary::-webkit-details-marker { display: none; }
.menu-button { display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 6px; border-radius: 6px; color: var(--campus-ink); font-size: 13px; cursor: pointer; user-select: none; }
.menu-button .icon { width: 14px; height: 14px; }
.menu-button .menu-chevron { width: 9px; height: 9px; stroke-width: 2.4; color: var(--campus-sub); }
.menu-button:hover, .menu[open] .menu-button { background: var(--campus-fill); }
.menu-panel { position: absolute; top: calc(100% + 4px); left: 0; z-index: 30; min-width: 220px; padding: 5px; display: flex; flex-direction: column; border-radius: 9px; background: color-mix(in srgb, var(--campus-surface) 94%, transparent); backdrop-filter: blur(20px); border: 1px solid var(--campus-line); box-shadow: 0 10px 30px rgba(0, 0, 0, .16); }
.menu-panel button { border: 0; background: none; text-align: left; padding: 4px 9px; border-radius: 5px; font-size: 13px; white-space: nowrap; }
.menu-panel button:hover { background: #3478f6; color: #fff; }
.menu-panel button.destructive { color: var(--campus-red); }
.menu-panel button.destructive:hover { background: var(--campus-red); color: #fff; }
.menu-panel hr { width: calc(100% - 18px); margin: 5px 9px; border: 0; border-top: 1px solid var(--campus-line); }
.menu-panel .text-field { margin: 3px 4px 5px; }
.menu-disabled { padding: 4px 9px; color: var(--campus-faint); font-size: 13px; }

/* InlineNotice */
.inline-notice { display: flex; align-items: flex-start; gap: 7px; padding: 8px 10px; border-radius: 8px; background: var(--campus-fill); color: var(--campus-sub); font-size: 10.5px; line-height: 1.4; }
.inline-notice .icon { width: 11px; height: 11px; margin-top: 1px; stroke-width: 2.4; }

/* EmptyStateView */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; min-height: 180px; padding: 12px; text-align: center; }
.empty-state .icon { width: 28px; height: 28px; color: var(--campus-faint); stroke-width: 1.3; }
.empty-state strong { font-size: 13px; color: var(--campus-ink); }
.empty-state p { margin: 0; max-width: 320px; font-size: 11px; line-height: 1.4; color: var(--campus-sub); }

/* ThinProgressBar */
.thin-progress { height: 4px; margin-top: 2px; border-radius: 999px; background: var(--campus-fill-strong); overflow: hidden; }
.thin-progress span { display: block; height: 100%; border-radius: 999px; background: var(--campus-ink); transition: width .3s; }

/* CampusColorPicker */
.color-picker { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.color-swatch { width: 34px; height: 34px; border-radius: 7px; background: var(--campus-fill-strong); box-shadow: inset 0 0 0 1px var(--campus-line); flex: none; }
.color-label { display: flex; flex-direction: column; gap: 2px; min-width: 70px; }
.color-label strong { font-size: 10px; font-weight: 600; color: var(--campus-sub); }
.color-label small { font: 9.5px var(--mono); color: var(--campus-faint); }
.color-preset { width: 22px; height: 22px; padding: 0; border: 0; border-radius: 50%; background: var(--preset); box-shadow: inset 0 0 0 1px var(--campus-line); flex: none; transition: transform .2s; }
.color-preset.selected { box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--campus-ink) 55%, transparent), inset 0 0 0 5px #fff; }
.color-preset:active { transform: scale(.94); }
.color-custom { position: relative; width: 22px; height: 22px; flex: none; border-radius: 50%; background: conic-gradient(#f44, #fd4, #4d8, #4cf, #75f, #f4c, #f44); cursor: pointer; }
.color-custom input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.color-clear { display: grid; place-items: center; border: 0; background: none; padding: 0; color: var(--campus-faint); }
.color-clear .icon { width: 15px; height: 15px; }

/* Today */
.now-next { display: flex; gap: 22px; }
.vertical-rule { width: 1px; background: var(--campus-hairline); flex: none; }
.status-column { flex: 1 1 0; min-width: 0; min-height: 150px; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.class-title { font-size: 21px; font-weight: 600; line-height: 1.2; color: var(--campus-ink); }
.class-title-button { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; border: 0; padding: 0; background: none; text-align: left; }
.class-title-button .icon { width: 10px; height: 10px; stroke-width: 3; color: var(--campus-faint); }
.class-title-button:hover { opacity: .72; }
.countdown { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--campus-ink); }
.status-column .thin-progress { align-self: stretch; }
.empty-title { font-size: 17px; font-weight: 600; color: var(--campus-ink); }
.due-row, .event-row { display: flex; align-items: center; gap: 12px; padding: 7px 0; }
.event-row { align-items: baseline; }
.row-title { font-size: 14px; font-weight: 500; color: var(--campus-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.event-title { font-size: 13px; font-weight: 600; color: var(--campus-ink); }
.event-row .caption { margin-top: 3px; }
.due-empty { display: flex; align-items: center; gap: 9px; padding: 2px 0; font-size: 11px; color: var(--campus-sub); }
.due-empty .icon { width: 13px; height: 13px; color: var(--campus-faint); }
.two-up { display: flex; align-items: flex-start; gap: 16px; }
.two-up > .card { flex: 1 1 0; }
.cafeteria-card { min-height: 320px; display: flex; flex-direction: column; }
.cafeteria-card > :not(.card-head) + :not(.card-head) { margin-top: 12px; }
.calendar-summary-card { min-height: 240px; }
.menu-thumb { display: flex; justify-content: center; align-items: center; width: 100%; min-height: 180px; max-height: 260px; padding: 8px; border: 0; border-radius: 8px; background: var(--campus-fill); }
.menu-thumb img { max-width: 100%; max-height: 244px; object-fit: contain; }
.menu-thumb:hover { opacity: .85; }

/* Today's schedule popover */
.day-schedule { display: flex; flex-direction: column; gap: 14px; padding: 18px; max-height: 520px; }
.day-schedule-head { display: flex; align-items: flex-start; gap: 10px; }
.day-schedule-head > div { flex: 1; }
.day-schedule-head .caption { margin-top: 3px; }
.day-schedule-list { overflow: auto; }
.day-row { display: flex; align-items: center; gap: 12px; padding: 8px 0; }
.day-row + .day-row { border-top: 1px solid var(--campus-hairline); }
.day-row-time { width: 68px; flex: none; text-align: right; font-size: 11px; font-weight: 500; font-variant-numeric: tabular-nums; color: var(--campus-faint); line-height: 1.35; }
.day-row-bar { width: 3px; height: 34px; border-radius: 1.5px; background: var(--campus-line); flex: none; }
.day-row-subject { font-size: 13.5px; font-weight: 500; color: var(--campus-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.day-row.now .day-row-time { color: var(--campus-ink); }
.day-row.now .day-row-bar { background: var(--campus-ink); }
.day-row.now .day-row-subject { font-weight: 600; }