:root {
  --ink: #4c4f69;
  --paper: #eff1f5;
  --card: #e6e9ef;
  --line: #bcc0cc;
  --accent: #8839ef;
  --accent-2: #7287fd;
  --mint: #40a02b;
  --muted: #6c6f85;
  --surface: #ccd0da;
  --rosewater: #dc8a78;
  --warning: #df8e1d;
  --danger: #d20f39;
  --lecture: #174ea6;
  --laboratory: #6d22c7;
  --practice: #0b696d;
  --seminar: #8a5200;
  --consultation: #ad1735;
  --shadow: 0 12px 32px rgba(76, 79, 105, .10);
  color-scheme: light;
}
[data-theme="dark"] {
  --ink: #cdd6f4;
  --paper: #1e1e2e;
  --card: #181825;
  --line: #45475a;
  --accent: #cba6f7;
  --accent-2: #b4befe;
  --mint: #a6e3a1;
  --muted: #a6adc8;
  --surface: #313244;
  --rosewater: #f5e0dc;
  --warning: #f9e2af;
  --danger: #f38ba8;
  --lecture: #89b4fa;
  --laboratory: #cba6f7;
  --practice: #94e2d5;
  --seminar: #f9e2af;
  --consultation: #eba0ac;
  --shadow: 0 14px 36px rgba(17, 17, 27, .34);
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
a { color: inherit; }
.topbar { height: 64px; padding: 0 4vw; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); background: var(--card); }
.primary-nav { display: flex; align-items: center; gap: 5px; }
.primary-nav a, .primary-nav .nav-disabled { padding: 9px 13px; border-radius: 7px; color: var(--muted); font-size: .82rem; font-weight: 850; line-height: normal; text-decoration: none; white-space: nowrap; }
.primary-nav a:hover { color: var(--ink); background: var(--paper); }
.primary-nav a.active { color: var(--paper); background: var(--accent); }
.primary-nav .nav-disabled { border: 1px solid color-mix(in srgb, var(--line) 72%, transparent); background: color-mix(in srgb, var(--surface) 54%, transparent); opacity: .56; cursor: not-allowed; }
.identity { display: flex; justify-content: flex-end; align-items: center; gap: 9px; padding: 6px 8px; border-radius: 8px; color: var(--ink); font-size: .82rem; text-decoration: none; }
.identity:hover, .identity.active { background: var(--paper); }
.identity.active { outline: 1px solid var(--line); }
.top-actions { display: flex; align-items: center; gap: 12px; }
.avatar { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-2); color: var(--paper); font-weight: 900; }
.theme-toggle { min-width: 132px; padding: 8px 12px; display: flex; justify-content: center; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink); font-size: .76rem; }
.theme-toggle:hover { border-color: var(--accent); }
.theme-icon { width: 18px; font-size: 1rem; line-height: 1; }
main { width: min(1400px, 92vw); margin: 0 auto 80px; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: .72rem; font-weight: 900; text-transform: uppercase; letter-spacing: .16em; }
.page-title { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 18px 0 12px; border-bottom: 1px solid var(--line); }
.page-title h1 { margin: 0; font-size: 2rem; line-height: 1; letter-spacing: -.045em; }
.page-title p { margin: 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: minmax(320px, .8fr) minmax(480px, 1.4fr); gap: 24px; padding-top: 24px; }
.task-actions { display: grid; align-content: start; gap: 24px; }
.panel { background: var(--card); border: 1px solid var(--line); padding: 28px; box-shadow: var(--shadow); }
.work-control { border-top: 1px solid var(--line); }
.panel-heading { display: flex; gap: 16px; align-items: center; margin-bottom: 28px; }
.panel-heading h2, .panel h2 { margin: 0; font-size: 1.5rem; letter-spacing: -.03em; }
.panel-hint { display: block; margin-top: 4px; color: var(--muted); font-size: .72rem; font-weight: 500; }
.step { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: var(--paper); font-size: .72rem; }
form { display: grid; gap: 18px; }
label { display: grid; gap: 8px; font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
input, textarea { width: 100%; border: 0; border-bottom: 1px solid var(--line); padding: 12px 2px; background: transparent; color: var(--ink); font: inherit; resize: vertical; }
.work-control textarea { min-height: 132px; padding: 15px 16px; border: 1px solid var(--line); border-radius: 7px; background: var(--paper); font-size: .95rem; font-weight: 500; line-height: 1.5; resize: none; }
.work-control textarea::placeholder { color: var(--muted); font-size: .88rem; font-weight: 500; opacity: 1; }
select { width: 100%; appearance: none; border: 1px solid var(--line); border-radius: 7px; padding: 12px 40px 12px 12px; background-color: var(--paper); background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; color: var(--ink); font: inherit; }
select option, select optgroup { background: var(--paper); color: var(--ink); }
select option:checked { background: var(--accent); color: var(--paper); }
input:focus, textarea:focus, select:focus { outline: 0; border-color: var(--accent); }
.dropzone { border: 1px dashed var(--line); padding: 18px; background: var(--paper); }
.dropzone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.dropzone small { color: var(--muted); font-size: .7rem; font-weight: 500; text-transform: none; letter-spacing: 0; word-break: break-word; }
.file-pick { width: fit-content; margin-top: 5px; padding: 9px 12px; background: var(--surface); color: var(--ink); cursor: pointer; font-size: .72rem; }
button { border: 0; padding: 15px 18px; display: flex; justify-content: space-between; background: var(--accent); color: var(--paper); font-weight: 900; cursor: pointer; }
.mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin: -8px 0 24px; padding: 5px; border: 1px solid var(--line); background: var(--paper); }
.mode-switch button { justify-content: center; padding: 10px; background: transparent; color: var(--muted); }
.mode-switch button.active { background: var(--card); color: var(--ink); box-shadow: var(--shadow); }
.mode-switch button.active:first-child { color: var(--accent); }
.mode-switch button.active:last-child { color: var(--accent-2); }
.mode-switch button:disabled { cursor: not-allowed; opacity: .4; }
.work-mode[hidden] { display: none; }
.profiles { display: flex; gap: 8px; margin-bottom: 20px; }
.profiles a { padding: 8px 12px; border: 1px solid var(--line); text-decoration: none; font-size: .8rem; }
.profiles a.active { background: var(--accent); color: var(--paper); }
.tasks { display: grid; gap: 10px; }
.task-card-shell { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 12px; border-top: 1px solid var(--line); }
.task-card-shell .task-card { min-width: 0; border-top: 0; }
.task-trash-form { display: block; }
.task-trash-button { gap: 7px; justify-content: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; background: transparent; color: var(--muted); font-size: .68rem; }
.task-trash-button:hover { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 9%, transparent); color: var(--danger); }
.task-groups { display: grid; gap: 28px; }
.task-group > h3 { display: flex; justify-content: space-between; margin: 0; padding: 10px 12px; border-left: 3px solid currentColor; border-radius: 6px; background: color-mix(in srgb, currentColor 9%, transparent); color: var(--accent); font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; }
.task-group > h3 span { color: var(--muted); }
.subject-group:nth-child(3n + 2) > h3 { color: var(--accent-2); }
.subject-group:nth-child(3n + 3) > h3 { color: var(--mint); }
.task-card { display: flex; justify-content: space-between; gap: 24px; padding: 22px 4px; border-top: 1px solid var(--line); text-decoration: none; }
.task-card:hover h3 { color: var(--accent); }
.task-card h3 { margin: 8px 0 5px; font-size: 1.25rem; }
.task-card p { margin: 0; color: var(--muted); max-width: 620px; line-height: 1.45; }
.task-card time { color: var(--muted); font-size: .8rem; white-space: nowrap; }
.status { display: inline-block; padding: 4px 7px; background: var(--surface); font-size: .66rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.status-completed { background: var(--mint); color: #11111b; }
.status-running { background: var(--warning); color: #1e1e2e; }
.status-waiting_input { background: var(--rosewater); color: #1e1e2e; }
.status-failed { background: var(--danger); color: #1e1e2e; }
.subject-label { margin-left: 7px; color: var(--muted); font-size: .7rem; }
.task-card-compact { align-items: center; padding: 15px 4px; }
.task-card-compact h3 { display: inline; margin: 0 0 0 9px; font-size: 1rem; line-height: 1.35; }
.task-card-compact .task-stage { margin: 9px 0 0; font-size: .8rem; }
.empty, .muted { color: var(--muted); padding: 32px 0; }
.back { display: inline-block; margin: 30px 0; color: var(--muted); text-decoration: none; }
.task-hero { display: flex; justify-content: space-between; align-items: center; min-height: 150px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.task-hero h1 { margin: 12px 0 8px; font-size: 2rem; line-height: 1.08; letter-spacing: -.045em; }
.task-hero p { color: var(--muted); }
.task-downloads { width: min(330px, 38vw); display: grid; gap: 8px; }
.task-downloads a { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); font-size: .78rem; font-weight: 850; text-decoration: none; }
.task-downloads a:hover { border-color: var(--accent); color: var(--accent); }
.task-downloads a.download-primary { border-color: var(--accent); background: var(--accent); color: var(--paper); }
.task-downloads a span { color: inherit; font-size: .62rem; letter-spacing: .08em; opacity: .72; }
.pulse { padding: 14px 18px; background: var(--warning); color: #1e1e2e; font-weight: 800; animation: pulse 1.5s infinite; }
.live-progress { width: min(390px, 42vw); padding: 16px 18px; border: 1px solid var(--warning); background: var(--card); }
.live-progress-head { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 10px; color: var(--warning); font-size: .72rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.live-progress > strong { display: block; margin: 11px 0 5px; font-size: .88rem; }
.live-progress small { color: var(--muted); font-size: .72rem; }
.progress-track, .task-progress { height: 6px; overflow: hidden; background: var(--surface); }
.progress-track i, .task-progress i { display: block; height: 100%; background: var(--accent); transition: width .35s ease; }
.task-progress { width: min(360px, 100%); height: 4px; margin-top: 12px; }
.task-progress-label { display: block; margin-top: 6px; color: var(--muted); font-size: .7rem; }
@keyframes pulse { 50% { opacity: .55; } }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(280px, .8fr); gap: 24px; padding-top: 24px; }
.detail-main, aside { display: grid; align-content: start; gap: 24px; }
.question-box { padding: 32px; background: var(--surface); color: var(--ink); }
.question-box h2 { font-size: 1.8rem; }
.question-box textarea { color: var(--ink); border-color: var(--line); }
.prose h2 { line-height: 1.5; font-size: 1.15rem; font-weight: 500; white-space: pre-wrap; }
.file-list { list-style: none; margin: 0; padding: 0; }
.file-list li { padding: 10px 0; border-top: 1px solid var(--line); word-break: break-word; }
.file-list a { text-decoration-color: var(--accent); }
.breadcrumbs { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; margin-bottom: 14px; font-size: .78rem; }
.breadcrumbs a { color: var(--accent); font-weight: 800; text-decoration: none; }
.browser-list { border: 1px solid var(--line); }
.browser-hint { margin: 8px 0 20px; color: var(--muted); line-height: 1.45; }
.browser-row { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; align-items: center; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--line); text-decoration: none; }
.browser-row:first-child { border-top: 0; }
.browser-row:hover { background: var(--paper); }
.browser-row strong { overflow: hidden; font-size: .78rem; text-overflow: ellipsis; white-space: nowrap; }
.browser-row small { color: var(--muted); font-size: .68rem; }
.file-icon { color: var(--accent); }
.timeline > div { border-top: 1px solid var(--line); padding: 12px 0; }
.timeline span { color: var(--accent); font-size: .68rem; font-weight: 900; text-transform: uppercase; }
.timeline p { margin: 5px 0; line-height: 1.4; }
.compact { padding: 8px 0; }
.explorer-shell { margin-top: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--card); box-shadow: var(--shadow); }
.explorer-toolbar { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.explorer-toolbar h1 { margin: 0; font-size: 1.35rem; letter-spacing: -.035em; }
.explorer-toolbar p { margin: 3px 0 0; color: var(--muted); font-size: .76rem; }
.explorer-view-switch { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.explorer-view-switch a { padding: 8px 11px; border-radius: 6px; color: var(--muted); font-size: .72rem; font-weight: 850; text-decoration: none; }
.explorer-view-switch a:hover { color: var(--ink); }
.explorer-view-switch a.active { background: var(--card); color: var(--accent); box-shadow: 0 3px 12px rgba(76, 79, 105, .1); }
.explorer-profiles { margin: 0; }
.explorer-layout { min-height: 650px; display: grid; grid-template-columns: minmax(270px, 330px) minmax(520px, 1fr); }
.explorer-sidebar { display: block; padding: 16px 12px; border-right: 1px solid var(--line); background: var(--paper); }
.explorer-sidebar-title { display: flex; align-items: center; justify-content: space-between; padding: 3px 9px 12px; color: var(--muted); font-size: .68rem; font-weight: 900; text-transform: uppercase; letter-spacing: .1em; }
.explorer-sidebar-title small { display: grid; width: 21px; height: 21px; place-items: center; border-radius: 50%; background: var(--surface); color: var(--ink); }
.explorer-subject { margin-top: 16px; }
.explorer-subject:first-of-type { margin-top: 0; }
.explorer-subject h2 { display: flex; align-items: center; gap: 5px; margin: 0 0 5px; padding: 7px 8px; border-radius: 6px; background: color-mix(in srgb, var(--accent) 9%, transparent); color: var(--accent); font-size: .67rem; text-transform: uppercase; letter-spacing: .08em; }
.explorer-subject:nth-of-type(3n + 1) h2 { background: color-mix(in srgb, var(--accent-2) 9%, transparent); color: var(--accent-2); }
.explorer-subject:nth-of-type(3n + 2) h2 { background: color-mix(in srgb, var(--mint) 9%, transparent); color: var(--mint); }
.tree-chevron { color: var(--accent); font-size: .9rem; }
.tree-root-link { display: flex; align-items: center; gap: 9px; padding: 9px; border-radius: 7px; color: var(--muted); font-size: .77rem; font-weight: 800; text-decoration: none; }
.tree-root-link span { color: var(--accent); font-size: 1rem; }
.tree-root-link:hover, .tree-root-link.active { background: var(--card); color: var(--ink); }
.tree-subject-link { display: grid; grid-template-columns: 22px minmax(0, 1fr) 22px; align-items: center; gap: 7px; margin-top: 4px; padding: 9px; border-radius: 7px; color: var(--muted); text-decoration: none; }
.tree-subject-link strong { overflow: hidden; font-size: .76rem; line-height: 1.25; text-overflow: ellipsis; white-space: nowrap; }
.tree-subject-link small { display: grid; width: 20px; height: 20px; place-items: center; border-radius: 50%; background: var(--surface); font-size: .64rem; }
.tree-subject-link:hover, .tree-subject-link.active { background: var(--card); color: var(--ink); }
.tree-folder { color: var(--accent-2); }
.explorer-task { display: grid; grid-template-columns: 25px minmax(0, 1fr) 8px; align-items: center; gap: 9px; margin-top: 3px; padding: 9px 9px; border-radius: 7px; color: var(--muted); font-size: .76rem; line-height: 1.35; text-decoration: none; }
.explorer-task:hover { color: var(--ink); background: var(--card); }
.explorer-task.active { color: var(--ink); background: var(--card); box-shadow: 0 2px 10px rgba(76, 79, 105, .08); font-weight: 800; }
.lab-icon { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 5px; background: var(--accent); color: var(--paper); font-size: .65rem; font-weight: 950; }
.lab-icon.large { width: 34px; height: 34px; font-size: .78rem; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.status-dot-completed { background: var(--mint); }
.status-dot-running, .status-dot-queued { background: var(--warning); }
.status-dot-waiting_input { background: var(--rosewater); }
.status-dot-failed { background: var(--danger); }
.explorer-browser { min-width: 0; background: var(--card); }
.explorer-pathbar { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 16px; border-bottom: 1px solid var(--line); background: var(--paper); }
.open-task { flex: none; padding: 9px 12px; border: 1px solid var(--line); border-radius: 7px; color: var(--accent); font-size: .75rem; font-weight: 850; text-decoration: none; }
.open-task:hover { border-color: var(--accent); background: var(--paper); }
.explorer-path { min-height: 44px; margin: 0; padding: 11px 0; }
.explorer-path a { font-size: .73rem; }
.explorer-files { border: 0; }
.file-table-head { min-height: 36px; display: grid; grid-template-columns: minmax(0, 1fr) 90px 90px; align-items: center; padding: 0 16px 0 52px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .64rem; font-weight: 850; text-transform: uppercase; letter-spacing: .07em; }
.explorer-files .browser-row { min-height: 48px; grid-template-columns: 26px minmax(0, 1fr) 90px 90px; padding: 10px 16px; border-top: 0; border-bottom: 1px solid var(--line); }
.explorer-files .browser-row strong { font-size: .84rem; }
.explorer-files .browser-row small:last-child { text-align: right; }
.virtual-folder-row:hover strong { color: var(--accent); }
.file-empty-row { padding: 32px 18px; }
.folder-icon { color: var(--accent); }
.document-icon { color: var(--accent-2); }
.explorer-empty { display: grid; min-height: 420px; place-items: center; text-align: center; }
form.submitting { opacity: .65; pointer-events: none; }
.login-page { min-height: 100vh; background: radial-gradient(circle at 20% 15%, color-mix(in srgb, var(--accent) 17%, transparent), transparent 34%), radial-gradient(circle at 85% 85%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 34%), var(--paper); }
.login-layout { width: min(480px, calc(100vw - 32px)); min-height: 100vh; display: grid; place-items: center; margin: 0 auto; padding: 32px 0; }
.login-card { width: 100%; padding: 42px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--card) 94%, transparent); box-shadow: 0 24px 80px rgba(17, 17, 27, .16); }
.login-mark { display: grid; width: 48px; height: 48px; margin-bottom: 28px; place-items: center; border-radius: 12px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-size: 1.15rem; font-weight: 950; box-shadow: 0 10px 28px color-mix(in srgb, var(--accent) 28%, transparent); }
.login-card .eyebrow { margin-bottom: 8px; }
.login-card h1 { margin: 0; font-size: 2.5rem; letter-spacing: -.055em; }
.login-intro { margin: 10px 0 30px; color: var(--muted); line-height: 1.5; }
.login-card form { gap: 20px; }
.login-card input { padding: 13px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.login-card button { border-radius: 8px; }
.login-card > small { display: block; margin-top: 20px; color: var(--muted); text-align: center; }
.login-error { margin: -10px 0 22px; padding: 11px 13px; border: 1px solid color-mix(in srgb, var(--danger) 45%, var(--line)); border-radius: 8px; background: color-mix(in srgb, var(--danger) 10%, transparent); color: var(--danger); font-size: .8rem; font-weight: 750; }
.profile-layout { width: min(620px, 100%); padding-top: 24px; }
.profile-card { border-radius: 10px; }
.profile-card form { gap: 20px; }
.profile-card input { padding: 13px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.profile-card button { margin-top: 4px; border-radius: 8px; }
.profile-error { margin: -8px 0 4px; }
.profile-success { margin: -8px 0 4px; padding: 11px 13px; border: 1px solid color-mix(in srgb, var(--mint) 45%, var(--line)); border-radius: 8px; background: color-mix(in srgb, var(--mint) 12%, transparent); color: var(--mint); font-size: .8rem; font-weight: 800; }
.task-management { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
.task-management h2 { font-size: 1.15rem; }
.task-management > p:not(.eyebrow) { color: var(--muted); font-size: .78rem; line-height: 1.5; }
.danger-button { justify-content: center; border: 1px solid color-mix(in srgb, var(--danger) 50%, var(--line)); border-radius: 7px; background: transparent; color: var(--danger); }
.danger-button:hover { background: color-mix(in srgb, var(--danger) 12%, transparent); }
.compact-title { min-height: 92px; }
.trash-layout { padding-top: 24px; }
.trash-list { display: grid; gap: 10px; }
.trash-card { display: grid; grid-template-columns: 32px minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); }
.trash-icon { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 8px; background: var(--surface); color: var(--accent); font-size: .92rem; }
.trash-card span, .trash-card small { color: var(--muted); font-size: .7rem; }
.trash-card h2 { margin: 4px 0; font-size: 1rem; }
.trash-card form { display: block; }
.trash-card button { padding: 10px 13px; border: 1px solid var(--line); border-radius: 7px; background: var(--paper); color: var(--accent); }
.trash-card button:hover { border-color: var(--accent); }
.empty-state { padding: 70px 24px; border: 1px dashed var(--line); border-radius: 10px; color: var(--muted); text-align: center; }
.empty-state-icon { display: grid; width: 48px; height: 48px; margin: 0 auto 16px; place-items: center; border-radius: 50%; background: color-mix(in srgb, var(--mint) 18%, transparent); color: var(--mint); font-size: 1.2rem; }
.empty-state h2 { margin: 0; color: var(--ink); }
.empty-state p { margin-bottom: 0; }
.schedule-toolbar { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 16px 0 10px; }
.schedule-toolbar h1, .compact-page-heading h1 { margin: 0; font-size: 2rem; letter-spacing: -.045em; }
.schedule-heading { display: flex; align-items: center; gap: 24px; }
.current-date { display: flex; align-items: center; gap: 9px; padding-left: 18px; border-left: 1px solid var(--line); }
.current-date > i { width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent); }
.current-date span, .current-date small, .current-date strong { display: block; }
.current-date small { margin-bottom: 2px; color: var(--accent); font-size: .58rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.current-date strong { font-size: .74rem; }
.schedule-week-controls { display: flex; align-items: center; gap: 8px; }
.current-week-button { height: 44px; display: flex; align-items: center; padding: 0 14px; border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line)); border-radius: 9px; background: color-mix(in srgb, var(--accent) 9%, var(--card)); color: var(--accent); font-size: .68rem; font-weight: 900; text-decoration: none; }
.current-week-button:hover { background: color-mix(in srgb, var(--accent) 15%, var(--card)); }
.week-navigation { display: flex; align-items: center; gap: 5px; padding: 4px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); }
.week-navigation a { min-width: 34px; height: 34px; display: grid; place-items: center; padding: 0 10px; border-radius: 6px; color: var(--accent); font-size: .8rem; font-weight: 900; text-decoration: none; }
.week-navigation a:hover { background: var(--surface); }
.week-navigation strong { min-width: 150px; padding: 0 10px; font-size: .78rem; text-align: center; }
.lesson-legend { display: flex; align-items: center; justify-content: flex-end; gap: 15px; min-height: 32px; padding-bottom: 8px; color: var(--muted); font-size: .63rem; }
.lesson-legend span { --class-color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }
.lesson-legend i { width: 8px; height: 8px; border-radius: 2px; background: var(--class-color); }
.schedule-deadlines { display: grid; grid-template-columns: 100px repeat(3, minmax(0, 1fr)); align-items: stretch; margin-bottom: 12px; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
.schedule-deadlines h2 { display: grid; place-items: center start; margin: 0; padding: 14px 16px; color: var(--accent); font-size: .78rem; }
.schedule-deadlines > div { display: grid; gap: 2px; padding: 11px 15px; border-left: 1px solid var(--line); }
.schedule-deadlines time { color: var(--accent); font-size: .62rem; font-weight: 900; }
.schedule-deadlines strong { font-size: .76rem; }
.schedule-deadlines span { color: var(--muted); font-size: .64rem; }
.schedule-deadlines > p { grid-column: 2 / -1; align-self: center; margin: 0; padding: 14px 16px; border-left: 1px solid var(--line); color: var(--muted); font-size: .74rem; }
.schedule-calendar { margin: 0 0 32px; overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--card); box-shadow: var(--shadow); }
.schedule-mobile { display: none; }
.schedule-sync-note { margin-bottom: 12px; padding: 11px 14px; border: 1px solid color-mix(in srgb, var(--warning) 40%, var(--line)); border-radius: 9px; background: color-mix(in srgb, var(--warning) 9%, var(--card)); color: var(--ink); font-size: .74rem; }
.schedule-board { min-width: 1180px; }
.schedule-row { display: grid; grid-template-columns: 100px repeat(6, minmax(170px, 1fr)); }
.schedule-days { position: sticky; top: 0; z-index: 2; background: var(--paper); border-bottom: 1px solid var(--line); }
.schedule-corner, .schedule-day, .schedule-time, .schedule-cell { border-right: 1px solid var(--line); }
.schedule-day:last-child, .schedule-cell:last-child { border-right: 0; }
.schedule-corner { display: grid; place-items: center; color: var(--muted); font-size: .62rem; font-weight: 900; }
.schedule-day { min-height: 76px; display: grid; align-content: center; padding: 11px 13px; }
.schedule-day > span { display: none; }
.schedule-day strong { font-size: .82rem; }
.schedule-day small { margin-top: 4px; color: var(--muted); font-size: .66rem; }
.schedule-day.today { background: color-mix(in srgb, var(--accent) 9%, var(--card)); }
.schedule-day.today small { color: var(--accent); font-weight: 800; }
.schedule-slot-row { min-height: 116px; border-bottom: 1px solid var(--line); }
.schedule-slot-row:last-child { border-bottom: 0; }
.schedule-time { padding: 15px 12px; background: var(--paper); }
.schedule-time strong, .schedule-time span { display: block; }
.schedule-time strong { font-size: .7rem; }
.schedule-time span { margin-top: 5px; color: var(--muted); font-size: .63rem; line-height: 1.35; }
.schedule-cell { min-width: 0; padding: 7px; background: color-mix(in srgb, var(--paper) 38%, transparent); }
.schedule-cell.today { background: color-mix(in srgb, var(--accent) 4%, var(--card)); }
.schedule-lesson { --class-color: var(--accent); min-height: 100px; display: flex; flex-direction: column; padding: 10px 11px; border: 1px solid color-mix(in srgb, var(--class-color) 40%, var(--line)); border-left: 3px solid var(--class-color); border-radius: 7px; background: color-mix(in srgb, var(--class-color) 9%, var(--card)); color: var(--ink); text-decoration: none; transition: border-color .15s ease, background .15s ease; }
.schedule-lesson:hover { border-color: var(--class-color); background: color-mix(in srgb, var(--class-color) 15%, var(--card)); }
.schedule-lesson h2 { margin: 9px 0 10px; font-size: .78rem; line-height: 1.25; letter-spacing: -.018em; }
.lesson-topline, .schedule-lesson footer { display: flex; justify-content: space-between; gap: 8px; }
.lesson-topline span { color: var(--class-color); font-size: .59rem; font-weight: 950; text-transform: uppercase; letter-spacing: .06em; }
.lesson-topline small, .schedule-lesson footer span { color: var(--muted); font-size: .59rem; }
.schedule-lesson footer { align-items: flex-end; margin-top: auto; }
.schedule-lesson footer span { max-width: 62%; line-height: 1.25; }
.schedule-lesson footer strong { color: var(--class-color); font-size: .62rem; text-align: right; }
.lesson-deadline { margin: 8px -4px -4px; padding: 6px 7px; border-radius: 5px; background: color-mix(in srgb, var(--danger) 13%, var(--card)); color: var(--danger); font-size: .58rem; font-weight: 850; }
.kind-lecture { --class-color: var(--lecture) !important; }
.kind-laboratory { --class-color: var(--laboratory) !important; }
.kind-practice { --class-color: var(--practice) !important; }
.kind-seminar { --class-color: var(--seminar) !important; }
.kind-consultation { --class-color: var(--consultation) !important; }
.compact-page-heading { min-height: 92px; display: flex; align-items: center; }
.subject-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; padding-bottom: 32px; }
.subject-card { --lesson-color: var(--accent); min-height: 156px; display: flex; flex-direction: column; padding: 15px 16px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); color: var(--ink); text-decoration: none; transition: border-color .16s ease, background .16s ease; }
.subject-card:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, var(--card)); }
.subject-card header { color: var(--muted); font-size: .66rem; }
.subject-card h2 { margin: 13px 0 12px; overflow-wrap: break-word; hyphens: auto; font-size: .96rem; line-height: 1.2; }
.subject-card footer { display: grid; grid-template-columns: .65fr 1.35fr; gap: 12px; margin-top: auto; padding-top: 10px; border-top: 1px solid var(--line); }
.subject-card footer span, .subject-card footer small, .subject-card footer strong { display: block; }
.subject-card footer small { min-height: 18px; color: var(--muted); font-size: .56rem; line-height: 1.2; }
.subject-card footer strong { margin-top: 3px; color: var(--ink); font-size: .68rem; line-height: 1.2; }
.subject-card footer span:last-child strong { color: var(--accent); }
.subject-detail-hero { --lesson-color: var(--accent); display: flex; align-items: center; gap: 17px; padding: 20px; border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line)); border-radius: 10px; background: color-mix(in srgb, var(--accent) 6%, var(--card)); }
.subject-detail-hero h1 { margin: 0 0 5px; font-size: 1.7rem; letter-spacing: -.04em; }
.subject-detail-hero > div > p:last-child { max-width: 700px; margin: 0; color: var(--muted); }
.subject-detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 20px; padding: 24px 0 42px; }
.subject-column { display: grid; gap: 20px; }
.subject-section { border-radius: 11px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 15px; margin-bottom: 16px; }
.section-heading h2, .subject-deadlines h2 { margin: 4px 0 0; font-size: 1.3rem; }
.section-heading a { color: var(--accent); font-size: .72rem; font-weight: 850; text-decoration: none; }
.subject-lesson-list article { display: grid; grid-template-columns: 160px 1fr; gap: 18px; padding: 15px 0; border-top: 1px solid var(--line); }
.subject-lesson-list time, .subject-lesson-list article > div { display: grid; gap: 3px; }
.subject-lesson-list span { color: var(--muted); font-size: .7rem; }
.subject-lesson-list strong { font-size: .8rem; }
.subject-task-list > a { display: grid; grid-template-columns: 10px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.subject-task-list > a div { display: grid; gap: 3px; }
.subject-task-list > a small { color: var(--muted); font-size: .68rem; }
.subject-task-list > a time, .subject-task-list > a em { color: var(--accent); font-size: .68rem; font-style: normal; font-weight: 850; }
.subject-empty { display: flex; align-items: center; gap: 12px; padding: 24px 0 10px; color: var(--muted); }
.subject-empty > span { display: grid; width: 34px; height: 34px; place-items: center; border: 1px dashed var(--line); border-radius: 9px; color: var(--accent); }
.subject-empty p { margin: 0; font-size: .75rem; line-height: 1.45; }
.subject-deadlines { align-self: start; }
.subject-deadlines article { display: grid; gap: 6px; padding: 17px 0; border-top: 1px solid var(--line); }
.subject-deadlines article:first-of-type { margin-top: 16px; }
.subject-deadlines article span { color: var(--accent); font-size: .62rem; font-weight: 900; text-transform: uppercase; letter-spacing: .07em; }
.subject-deadlines article strong { font-size: .8rem; line-height: 1.35; }
.subject-deadlines article time { color: var(--muted); font-size: .69rem; }
@media (max-width: 850px) {
  .topbar { height: auto; min-height: 64px; gap: 12px; padding-top: 8px; padding-bottom: 8px; }
  .primary-nav { min-width: 0; overflow-x: auto; scrollbar-width: none; }
  .primary-nav::-webkit-scrollbar { display: none; }
  .primary-nav a, .primary-nav .nav-disabled { padding: 8px 10px; font-size: .74rem; }
  .page-title { display: block; min-height: auto; }
  .task-hero { display: block; }
  .task-downloads { width: 100%; margin-top: 18px; }
  .live-progress { width: 100%; margin-top: 20px; }
  .grid, .detail-grid, .explorer-layout { grid-template-columns: 1fr; }
  .theme-toggle { min-width: 38px; }
  .theme-toggle span:last-child { display: none; }
  .explorer-shell { overflow: visible; border-radius: 8px; }
  .explorer-pathbar { align-items: center; }
  .explorer-sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .explorer-toolbar { align-items: flex-start; flex-wrap: wrap; }
  .explorer-view-switch { order: 3; width: 100%; }
  .explorer-view-switch a { flex: 1; text-align: center; }
  .file-table-head { display: none; }
  .explorer-files .browser-row { grid-template-columns: 26px minmax(0, 1fr) auto; }
  .explorer-files .browser-row small:first-of-type { display: none; }
  .identity strong { display: none; }
  .login-card { padding: 30px 24px; }
  .trash-card { grid-template-columns: 32px minmax(0, 1fr); }
  .trash-card form { grid-column: 1 / -1; }
  .trash-card button { width: 100%; justify-content: center; }
  .task-card-shell { grid-template-columns: minmax(0, 1fr); padding-bottom: 10px; }
  .task-trash-button { width: 100%; }
  .schedule-toolbar { align-items: flex-start; flex-direction: column; gap: 10px; padding: 18px 0 12px; }
  .schedule-heading { width: 100%; justify-content: space-between; gap: 12px; }
  .current-date { padding-left: 12px; }
  .schedule-week-controls { width: 100%; align-items: stretch; flex-direction: column-reverse; }
  .current-week-button { justify-content: center; }
  .week-navigation { width: 100%; }
  .week-navigation strong { flex: 1; min-width: 0; }
  .lesson-legend { justify-content: flex-start; gap: 8px 13px; flex-wrap: wrap; padding: 3px 0 10px; }
  .schedule-deadlines { grid-template-columns: 1fr; }
  .schedule-deadlines h2 { padding-bottom: 8px; }
  .schedule-deadlines > div { grid-template-columns: 104px minmax(0, 1fr); padding: 10px 14px; border-top: 1px solid var(--line); border-left: 0; }
  .schedule-deadlines > div span { grid-column: 2; }
  .schedule-deadlines > p { grid-column: auto; padding: 10px 14px; border-top: 1px solid var(--line); border-left: 0; }
  .subject-detail-grid { grid-template-columns: 1fr; }
  .subject-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .subject-card { min-width: 0; padding: 14px; }
  .subject-card h2 { font-size: .85rem; }
  .subject-card footer { gap: 8px; }
  .subject-detail-hero { align-items: flex-start; padding: 22px; }
  .subject-detail-hero h1 { font-size: 1.75rem; }
  .subject-lesson-list article { grid-template-columns: 120px 1fr; }
  .schedule-calendar { display: none; }
  .schedule-mobile { display: grid; gap: 10px; padding-bottom: 32px; }
  .mobile-day { overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--card); box-shadow: var(--shadow); }
  .mobile-day > header { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--paper); }
  .mobile-day > header div { display: flex; align-items: baseline; gap: 8px; }
  .mobile-day > header strong { font-size: .88rem; }
  .mobile-day > header span { color: var(--muted); font-size: .68rem; }
  .mobile-day > header small { padding: 5px 7px; border-radius: 6px; background: color-mix(in srgb, var(--accent) 13%, transparent); color: var(--accent); font-size: .58rem; font-weight: 900; text-transform: uppercase; }
  .mobile-day.today { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
  .mobile-day > p { margin: 0; padding: 18px 14px; color: var(--muted); font-size: .76rem; }
  .mobile-lesson { --class-color: var(--accent); display: grid; grid-template-columns: 82px minmax(0, 1fr); gap: 12px; padding: 13px 14px; border-bottom: 1px solid var(--line); border-left: 3px solid var(--class-color); color: var(--ink); text-decoration: none; }
  .mobile-lesson:last-child { border-bottom: 0; }
  .mobile-lesson time { color: var(--muted); font-size: .68rem; font-weight: 750; }
  .mobile-lesson div { min-width: 0; display: grid; gap: 3px; }
  .mobile-lesson span { color: var(--class-color); font-size: .57rem; font-weight: 900; text-transform: uppercase; letter-spacing: .06em; }
  .mobile-lesson strong { overflow-wrap: anywhere; font-size: .82rem; line-height: 1.3; }
  .mobile-lesson small { overflow-wrap: anywhere; color: var(--muted); font-size: .64rem; line-height: 1.35; }
}

@media (max-width: 560px) {
  main { width: min(100% - 24px, 1400px); margin-bottom: 88px; }
  .topbar { width: 100%; min-height: 58px; padding-inline: 12px; }
  .primary-nav { position: fixed; z-index: 20; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); left: 10px; gap: 2px; justify-content: space-around; padding: 6px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--card) 94%, transparent); box-shadow: 0 12px 34px rgba(17, 17, 27, .24); backdrop-filter: blur(16px); }
  .primary-nav a, .primary-nav .nav-disabled { min-width: 0; flex: 1; padding: 9px 2px; overflow: hidden; border-radius: 9px; font-size: .58rem; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
  .top-actions { width: 100%; justify-content: flex-end; }
  .page-title, .compact-page-heading { min-height: 76px; padding: 14px 0 10px; }
  .page-title h1, .schedule-toolbar h1, .compact-page-heading h1 { font-size: 1.55rem; }
  .task-hero { min-height: auto; padding: 18px 0; }
  .task-hero h1 { font-size: 1.55rem; }
  .grid { padding-top: 14px; }
  .panel { padding: 20px 16px; }
  .schedule-heading { align-items: center; }
  .current-date strong { font-size: .66rem; }
  .current-date small { font-size: .53rem; }
  .lesson-legend { font-size: .58rem; }
  .schedule-deadlines > div { grid-template-columns: 86px minmax(0, 1fr); }
  .subject-grid { grid-template-columns: 1fr; }
  .subject-card { min-height: 132px; }
  .subject-detail-hero { padding: 17px 15px; }
  .subject-detail-hero h1 { font-size: 1.35rem; }
  .subject-lesson-list article { grid-template-columns: 1fr; gap: 6px; }
  .mobile-lesson { grid-template-columns: 74px minmax(0, 1fr); padding-inline: 12px; }
}