/* Canvas Dashboard – additions on top of styles.css: dark theme, new components, a11y, responsive, print */

/* ── Dark theme ─────────────────────────────────────────────────────────── */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #151412; --surface: #1f1e1b; --surface2: #2a2825;
  --border: #3a3733; --text: #efede8; --muted: #a29d94;
  --accent: #f0703a; --accent-light: #3a2216; --accent-dark: #d9582a;
  --green: #5fc783; --green-bg: #17291f;
  --blue: #74aef0; --blue-bg: #172335;
  --yellow: #e3aa45; --yellow-bg: #2d2513;
  --red: #f27b6f; --red-bg: #331b18;
  --shadow: 0 1px 3px rgba(0,0,0,.5), 0 1px 2px rgba(0,0,0,.3);
  --shadow-md: 0 6px 18px rgba(0,0,0,.55);
}
:root[data-theme="dark"] .setup-error, :root[data-theme="dark"] .upload-error { border-color: #5a2d28; }
:root[data-theme="dark"] .upload-success { border-color: #285a3a; }
:root[data-theme="dark"] .modal-backdrop { background: rgba(0,0,0,.65); }
:root[data-theme="dark"] .modal-desc img, :root[data-theme="dark"] .page-content-wrap img { background: #fff; }
:root[data-theme="dark"] .cal-day.today, :root[data-theme="dark"] .btn-primary, :root[data-theme="dark"] .user-avatar, :root[data-theme="dark"] .logo-icon { color: #1a0d06; }
:root[data-theme="dark"] .logo-icon svg { fill: #1a0d06; }
:root[data-theme="dark"] #update-toast, :root[data-theme="dark"] #toast { background: #efede8; color: #1a1917; }
:root[data-theme="dark"] #update-toast .dismiss { color: rgba(0,0,0,.55); }
:root[data-theme="dark"] .nav-badge { color: #1a0d06; }
:root[data-theme="dark"] .course-pill.active { color: #1a0d06 !important; }

/* ── Base / a11y ────────────────────────────────────────────────────────── */
html { -webkit-text-size-adjust: 100%; }
body { -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font-family: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.nav-item:focus-visible, .btn:focus-visible { outline-offset: -2px; }
input:focus-visible, textarea:focus-visible, select:focus-visible { outline: none; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 2000; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 8px; text-decoration: none; font-weight: 600; transition: top .15s; }
.skip-link:focus { top: 12px; }
#content:focus { outline: none; }
h1, h2, h3, h4 { font-weight: 600; }
kbd { font-family: var(--mono); font-size: 11px; background: var(--surface2); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px; padding: 1px 6px; color: var(--text); }
.kbd-hint { margin-left: auto; opacity: .7; }
.mono { font-family: var(--mono); }
code.mono { font-size: 11px; }
.muted-sm { font-size: 12px; color: var(--muted); }
.muted-i { color: var(--muted); font-style: italic; }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.pre { white-space: pre-wrap; word-break: break-word; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.user-text { min-width: 0; }
.user-name, .user-inst { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-course-item span.ellipsis { flex: 1; }
.hide-sm { display: inline; }
.icon-only { width: 34px; height: 34px; padding: 0; justify-content: center; font-weight: 600; }
.danger { color: var(--red) !important; }
.btn-xs { padding: 4px 10px; font-size: 12px; border-radius: 7px; }
.btn.danger:hover { background: var(--red-bg); }
a.btn { text-decoration: none; }

/* spin the refresh icon while loading */
@keyframes spin { to { transform: rotate(360deg); } }
#refresh-btn.spinning svg { animation: spin .8s linear infinite; }
#refresh-btn { align-items: center; }

/* ── Headings inside existing components ────────────────────────────────── */
.section-header h2, .section-header h3 { font-size: 14px; font-weight: 600; letter-spacing: -.2px; }
.cal-month-nav h2 { font-size: 15px; font-weight: 600; }
.modal-title { margin-bottom: 8px; }
.topbar-title { font-size: 16px; }
.card-title { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.greeting { font-size: 20px; font-weight: 600; letter-spacing: -.4px; margin-bottom: 16px; }
.greeting small { display: block; font-size: 13px; font-weight: 400; color: var(--muted); letter-spacing: 0; margin-top: 2px; }

/* ── Lists, chips, tables ───────────────────────────────────────────────── */
.course-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 500; padding: 3px 9px; border-radius: 20px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.anno-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.discussion-item h4 { flex-wrap: wrap; }
tr.clickable { cursor: pointer; }
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--text); }
.table-wrap { overflow-x: auto; }
.table-wrap table { min-width: 560px; }
.table-wrap > div, .table-wrap > a { min-width: 0; }
.clickable-card { cursor: pointer; transition: box-shadow .15s, transform .15s; }
.clickable-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.group-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; }
.side-label { font-size: 13px; font-weight: 600; margin-bottom: 10px; }
.pill-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.course-pill { font-family: var(--font); }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 18px; }
.toolbar .tab-bar { margin-bottom: 0; }
.toolbar-input { padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); font-size: 13px; outline: none; max-width: 100%; }
.toolbar-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,38,.14); }
.toolbar .muted-sm { margin-left: auto; }
.link-hint { font-size: 12px; color: var(--accent); margin-top: 12px; }
.grade-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.grade-card-bar { width: 5px; align-self: stretch; border-radius: 4px; min-height: 36px; }
.grade-big { font-size: 24px; font-weight: 600; letter-spacing: -.6px; line-height: 1.15; }
.grade-big small { font-size: 12px; font-weight: 600; }
.grade-summary { display: flex; gap: 32px; align-items: flex-end; flex-wrap: wrap; }
#grades-content > .card { margin-bottom: 14px; }
.grade-assignment-name.link { cursor: pointer; }
.grade-assignment-name.link:hover { color: var(--accent); }
.grade-assignment-row { cursor: default; flex-wrap: wrap; }
.grade-assignment-row:hover { background: transparent; }
.whatif-wrap { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; }
.whatif-input { width: 84px; padding: 5px 8px; border: 1px solid var(--border); border-radius: 7px; background: var(--bg); font-size: 12.5px; font-family: var(--mono); outline: none; }
.whatif-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,38,.14); }
.target-card { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 13px; }
.target-card input { width: 76px; padding: 5px 8px; border: 1px solid var(--border); border-radius: 7px; background: var(--bg); font-family: var(--mono); font-size: 12.5px; outline: none; }
.target-card input:focus { border-color: var(--accent); }
.target-result { font-weight: 600; }
.crumbs { margin-bottom: 12px; font-size: 13px; }
.crumbs a { color: var(--accent); text-decoration: none; }
.file-browser-item { color: inherit; text-decoration: none; }
.file-date { min-width: 76px; text-align: right; }
.person-row .btn { margin-left: auto; }
.person-row .person-role { margin-left: auto; }
.person-row .person-role + .btn { margin-left: 8px; }
.module-subheader { padding: 10px 18px; font-weight: 600; font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); background: var(--bg); border-bottom: 1px solid var(--border); }
.module-block.locked { opacity: .7; }
.module-header .badge { flex-shrink: 0; }
.module-item { flex-wrap: wrap; }
.module-item-name { min-width: 160px; }
.todo-main { flex: 1; min-width: 0; cursor: pointer; }
.todo-main:hover .todo-name { color: var(--accent); }
.todo-check { cursor: pointer; }
.todo-item { gap: 12px; }
.todo-del { background: none; border: none; color: var(--muted); font-size: 18px; line-height: 1; padding: 2px 6px; border-radius: 6px; }
.todo-del:hover { color: var(--red); background: var(--red-bg); }

/* ── Compact mode ───────────────────────────────────────────────────────── */
body.compact tbody td { padding-top: 6px; padding-bottom: 6px; }
body.compact .todo-item, body.compact .module-item, body.compact .grade-assignment-row, body.compact .person-row, body.compact .file-browser-item, body.compact .quiz-item, body.compact .page-list-item { padding-top: 6px; padding-bottom: 6px; }
body.compact .announcement, body.compact .discussion-item { padding-top: 10px; padding-bottom: 10px; }

/* ── Dashboard ──────────────────────────────────────────────────────────── */
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.dash-two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 8px; }
.attn-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; cursor: pointer; }
.attn-item:last-child { border-bottom: none; }
.attn-item:hover .attn-name { color: var(--accent); }
.attn-name { flex: 1; min-width: 0; font-weight: 500; }
.attn-when { font-family: var(--mono); font-size: 11.5px; color: var(--muted); white-space: nowrap; }
.attn-when.hot { color: var(--red); }
.workload { display: flex; align-items: flex-end; gap: 4px; height: 120px; padding-top: 8px; }
.wl-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; min-width: 0; cursor: default; }
.wl-bar { width: 100%; max-width: 26px; border-radius: 4px 4px 0 0; background: var(--accent); min-height: 3px; transition: height .3s; display: flex; flex-direction: column-reverse; overflow: hidden; }
.wl-bar i { display: block; width: 100%; }
.wl-col.zero .wl-bar { background: var(--surface2); }
.wl-col.today .wl-lbl { color: var(--accent); font-weight: 700; }
.wl-num { font-size: 10.5px; font-family: var(--mono); color: var(--muted); height: 14px; }
.wl-lbl { font-size: 10px; color: var(--muted); margin-top: 3px; text-transform: uppercase; }
.wl-legend { font-size: 11.5px; color: var(--muted); margin-top: 10px; }

/* ── Personal tasks ─────────────────────────────────────────────────────── */
.task-add { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.task-add input[type="text"] { flex: 1; min-width: 180px; }
.task-add input { padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); font-size: 13.5px; outline: none; }
.task-add input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,38,.14); }
.task-empty { padding: 18px; color: var(--muted); font-size: 13px; text-align: center; }

/* ── Calendar ───────────────────────────────────────────────────────────── */
.cal-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
.cal-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.cal-day { min-width: 0; overflow: hidden; }
.cal-day.selected { border-color: var(--accent); background: var(--accent-light); color: var(--text); }
.cal-dots { display: flex; gap: 3px; margin-top: 3px; align-items: center; justify-content: center; flex-wrap: wrap; }
.cal-dots i { width: 5px; height: 5px; border-radius: 50%; display: block; }
.cal-dots b { font-size: 9px; line-height: 1; color: var(--muted); }
.cal-day.today .cal-dots b { color: #fff; }
.cal-event-meta { overflow-wrap: anywhere; }

/* ── Forms ──────────────────────────────────────────────────────────────── */
.form-body { padding: 20px 24px 8px; }
.form-control { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: var(--bg); color: var(--text); outline: none; transition: border-color .15s, box-shadow .15s; }
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,38,.14); }
textarea.form-control { resize: vertical; min-height: 90px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-group label { cursor: default; }
.big-textarea, .big-input { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); font-size: 14px; outline: none; }
.big-textarea { min-height: 220px; resize: vertical; line-height: 1.6; }
.big-textarea:focus, .big-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,38,.14); }
#submit-modes { margin: 4px 0 14px; }
#submit-upload, #submit-text, #submit-url { margin-top: 4px; }
.settings-row select, .settings-row input[type="text"], .settings-row input[type="password"] { min-width: 0; }
.settings-row > div:first-child { min-width: 0; }
.settings-row-label { display: block; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; min-height: 28px; align-items: center; }
.chip-pill { display: inline-flex; align-items: center; gap: 4px; padding: 3px 4px 3px 10px; background: var(--accent-light); color: var(--accent); border-radius: 20px; font-size: 12.5px; font-weight: 500; }
.chip-pill button { background: none; border: none; color: inherit; font-size: 15px; line-height: 1; width: 20px; height: 20px; border-radius: 50%; }
.chip-pill button:hover { background: rgba(0,0,0,.1); }
.footer-actions { margin-right: auto; display: inline-flex; gap: 8px; flex-wrap: wrap; }
.modal-footer { flex-wrap: wrap; }
.modal-header h2 { font-size: 18px; }
.modal-tab-bar { overflow-x: auto; }
.modal-tab { white-space: nowrap; }
.upload-zone:focus-visible { outline: 2px solid var(--accent); }

/* ── Comments, rubric, quiz, discussions, inbox ────────────────────────── */
.comment { padding: 12px 0; border-bottom: 1px solid var(--border); }
.comment:last-child { border-bottom: none; }
.comment-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.comment-avatar { width: 26px; height: 26px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 10.5px; font-weight: 600; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.comment-body { margin-left: 36px; font-size: 13px; line-height: 1.6; }
.rubric-crit { border: 1px solid var(--border); border-radius: 10px; padding: 4px 14px 12px; margin-bottom: 12px; }
.rubric-row { padding-bottom: 6px; }
.rubric-ratings { display: flex; gap: 6px; flex-wrap: wrap; }
.rubric-rating { flex: 1; min-width: 90px; border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; font-size: 12px; display: flex; flex-direction: column; gap: 2px; color: var(--muted); }
.rubric-rating b { font-family: var(--mono); color: var(--text); }
.rubric-rating.chosen { border-color: var(--accent); background: var(--accent-light); color: var(--text); }
.rubric-comment { margin-top: 8px; font-size: 12.5px; color: var(--muted); }
.quiz-input { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); font-size: 13.5px; outline: none; }
.quiz-input:focus { border-color: var(--accent); }
.quiz-question-text img { max-width: 100%; }
.quiz-answer-row input { flex-shrink: 0; accent-color: var(--accent); }
.quiz-timer { margin-right: auto; font-family: var(--mono); font-weight: 600; }
.quiz-timer.warn { color: var(--red); }
.discussion-entry.unread { background: var(--accent-light); border-radius: 8px; padding-left: 8px; padding-right: 8px; }
.discussion-entry-msg img { max-width: 100%; }
.reply-link { font-size: 12px; color: var(--accent); text-decoration: none; display: inline-block; margin-top: 4px; }
.entry-reply { display: none; gap: 8px; margin-top: 8px; align-items: flex-start; }
.entry-reply textarea { flex: 1; min-height: 52px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: var(--bg); resize: vertical; outline: none; }
.conv-thread-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.conv-item-sub, .conv-item-title { max-width: 100%; }
.reply-box textarea { min-width: 0; }
.notif-dot { flex-shrink: 0; }
.upload-success, .upload-error { margin-bottom: 12px; }
.search-result { color: inherit; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .cal-layout { grid-template-columns: 1fr; }
  .dash-two { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hide-sm { display: none; }
  .settings-row { flex-direction: column; align-items: stretch; }
  .settings-row input[type="text"], .settings-row input[type="password"] { max-width: none; width: 100%; }
  .toggle { align-self: flex-start; }
  .modal-backdrop { padding: 0; align-items: flex-end; }
  .modal { max-width: none !important; border-bottom-left-radius: 0; border-bottom-right-radius: 0; max-height: 94vh; }
  .modal-footer { padding-bottom: calc(14px + env(safe-area-inset-bottom)); }
  .course-detail-header { padding: 18px; }
  .detail-tab-bar { width: 100%; overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .detail-tab { white-space: nowrap; flex-shrink: 0; }
  .tab-bar { max-width: 100%; }
  .setup-card { box-shadow: none; }
  #setup-screen { padding: 16px; }
  .grade-summary { gap: 18px; }
  .cal-day { padding: 3px 1px; font-size: 11px; border-radius: 6px; }
  .two-col { grid-template-columns: 1fr; gap: 0; }
  #toast { left: 16px; right: 16px; max-width: none; bottom: calc(16px + env(safe-area-inset-bottom)); }
  .quick-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 420px) {
  .module-item-type { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ── Shortcuts help ─────────────────────────────────────────────────────── */
.shortcut-list > div { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.shortcut-list > div:last-child { border-bottom: none; }
.shortcut-list dt { color: var(--muted); }

/* ── Print ──────────────────────────────────────────────────────────────── */
@media print {
  #sidebar, #topbar, #sidebar-backdrop, #toast, #update-toast, #offline-banner, .modal-backdrop, .back-btn, .btn, .tab-bar, .detail-tab-bar, .cal-actions { display: none !important; }
  body { display: block; background: #fff; color: #000; }
  #main { margin-left: 0; }
  #content { padding: 0; }
  .card, .table-wrap, .module-block { box-shadow: none; break-inside: avoid; }
  .table-wrap { overflow: visible; }
  .table-wrap table { min-width: 0; }
}

.color-pick { position: absolute; top: 18px; right: 22px; display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); cursor: pointer; }
.color-pick input { width: 26px; height: 26px; padding: 0; border: 1px solid var(--border); border-radius: 50%; background: none; cursor: pointer; }
.course-detail-header { position: relative; }

#update-toast { visibility: hidden; opacity: 0; }
#update-toast.show { visibility: visible; opacity: 1; }
.color-pick { top: 38px; }

/* ════════ Custom scrollbars (fixed size, never shift layout) ════════ */
:root { --scroll-thumb: #cdc8bc; --scroll-thumb-hover: #b3ad9f; --sb: 10px; }
:root[data-theme="dark"] { --scroll-thumb: #4a4640; --scroll-thumb-hover: #6a655c; }
/* reserve the gutter so content never jumps when a scrollbar appears/disappears */
html { scrollbar-gutter: stable; overflow-y: scroll; }
.sidebar-nav, .modal-body, .conv-list, .conv-thread-body, .ui-list, .ui-col { scrollbar-gutter: stable; }
@supports not selector(::-webkit-scrollbar) { * { scrollbar-width: thin; scrollbar-color: var(--scroll-thumb) transparent; } }
@supports selector(::-webkit-scrollbar) {
  ::-webkit-scrollbar { width: var(--sb); height: var(--sb); }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 999px; border: 2px solid transparent; background-clip: content-box; min-height: 40px; min-width: 40px; }
  ::-webkit-scrollbar-thumb:hover, ::-webkit-scrollbar-thumb:active { background: var(--scroll-thumb-hover); background-clip: content-box; border: 2px solid transparent; }
  ::-webkit-scrollbar-corner { background: transparent; }
  ::-webkit-scrollbar-button, ::-webkit-scrollbar-button:single-button { display: none; width: 0; height: 0; }
  html::-webkit-scrollbar-track { background: var(--bg); }
  .detail-tab-bar::-webkit-scrollbar, .modal-tab-bar::-webkit-scrollbar { height: 0; }
  .workload ::-webkit-scrollbar { display: none; }
}
::selection { background: var(--accent); color: #fff; }
input, textarea { caret-color: var(--accent); }
:root { accent-color: var(--accent); }
textarea::-webkit-resizer { background: linear-gradient(135deg, transparent 50%, var(--border) 50%, var(--border) 58%, transparent 58%, transparent 72%, var(--border) 72%, var(--border) 80%, transparent 80%); }

/* ════════ Native control resets ════════ */
select.ui-native { position: absolute !important; opacity: 0; pointer-events: none; width: 1px; height: 1px; overflow: hidden; }
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
input[type="number"]::-webkit-inner-spin-button, input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type="search"]::-webkit-search-cancel-button, input[type="search"]::-webkit-search-decoration { -webkit-appearance: none; appearance: none; }
input[type="search"] { -webkit-appearance: none; appearance: none; }
input, textarea, button, select { -webkit-tap-highlight-color: transparent; }
input:-webkit-autofill { -webkit-box-shadow: 0 0 0 40px var(--bg) inset; -webkit-text-fill-color: var(--text); caret-color: var(--text); }
input[type="checkbox"]:not(.toggle input), input[type="radio"] { -webkit-appearance: none; appearance: none; width: 18px; height: 18px; border: 1.5px solid var(--border); border-radius: 5px; background: var(--surface); display: inline-grid; place-content: center; flex-shrink: 0; cursor: pointer; transition: all .12s; margin: 0; }
input[type="radio"] { border-radius: 50%; }
input[type="checkbox"]:not(.toggle input):hover, input[type="radio"]:hover { border-color: var(--accent); }
input[type="checkbox"]:not(.toggle input):checked, input[type="radio"]:checked { background: var(--accent); border-color: var(--accent); }
input[type="checkbox"]:not(.toggle input):checked::after { content: ''; width: 9px; height: 5px; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg) translate(1px, -1px); }
input[type="radio"]:checked::after { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #fff; }
input[type="checkbox"]:focus-visible, input[type="radio"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { filter: brightness(.92); }

/* ════════ Custom trigger buttons (select / date / time) ════════ */
.ui-trigger { display: inline-flex; align-items: center; justify-content: space-between; gap: 8px; text-align: left; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; font-size: 13px; padding: 7px 12px; min-width: 0; cursor: pointer; transition: border-color .15s, box-shadow .15s; }
.ui-trigger:hover { border-color: var(--muted); }
.ui-trigger.open, .ui-trigger:focus-visible { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,38,.16); outline: none; }
.ui-trigger:disabled { opacity: .55; cursor: not-allowed; }
.ui-trigger.placeholder .ui-val { color: var(--muted); }
.ui-val { flex: 1; min-width: 0; }
.ui-chev, .ui-ico { width: 15px; height: 15px; flex-shrink: 0; color: var(--muted); transition: transform .15s; }
.ui-trigger.open .ui-chev { transform: rotate(180deg); }
.form-control.ui-trigger { width: 100%; padding: 10px 14px; font-size: 14px; background: var(--bg); }
.toolbar-input.ui-trigger { background: var(--surface); }
.task-add .ui-trigger { padding: 9px 12px; font-size: 13.5px; min-width: 150px; }
.settings-row .ui-trigger { min-width: 170px; }
.two-col .ui-trigger { width: 100%; }

/* ════════ Popovers ════════ */
.ui-pop { position: fixed; z-index: 800; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-md), 0 0 0 1px rgba(0,0,0,.02); animation: popin .12s ease-out; max-width: calc(100vw - 16px); }
@keyframes popin { from { opacity: 0; transform: translateY(-4px) scale(.98); } to { opacity: 1; transform: none; } }
.ui-list { padding: 5px; max-height: 280px; overflow-y: auto; min-width: 140px; }
.ui-opt { display: flex; align-items: center; padding: 8px 12px; border-radius: 7px; font-size: 13px; cursor: pointer; outline: none; color: var(--text); }
.ui-opt:hover, .ui-opt:focus-visible { background: var(--surface2); }
.ui-opt.sel { background: var(--accent-light); color: var(--accent); font-weight: 500; }
.ui-opt.sel::after { content: '✓'; margin-left: auto; padding-left: 12px; }
.ui-opt.dis { opacity: .5; cursor: default; }
.ui-cal { padding: 12px; width: 288px; }
.ui-cal-head { display: flex; align-items: center; gap: 2px; margin-bottom: 8px; }
.ui-cal-title { flex: 1; text-align: center; font-weight: 600; font-size: 13.5px; }
.ui-nav { width: 28px; height: 28px; border: none; background: none; border-radius: 7px; color: var(--muted); font-size: 16px; line-height: 1; }
.ui-nav:hover { background: var(--surface2); color: var(--text); }
.ui-cal-dow, .ui-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.ui-cal-dow span { text-align: center; font-size: 10.5px; font-weight: 600; color: var(--muted); padding: 4px 0; text-transform: uppercase; }
.ui-day { aspect-ratio: 1; border: none; background: none; border-radius: 8px; font-size: 12.5px; color: var(--text); font-family: var(--font); }
.ui-day:hover { background: var(--surface2); }
.ui-day.out { color: var(--muted); opacity: .45; }
.ui-day.today { box-shadow: inset 0 0 0 1.5px var(--accent); }
.ui-day.sel { background: var(--accent); color: #fff; font-weight: 600; opacity: 1; }
:root[data-theme="dark"] .ui-day.sel, :root[data-theme="dark"] .ui-cell.sel { color: #1a0d06; }
.ui-cal-foot { display: flex; justify-content: space-between; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
.ui-link { background: none; border: none; color: var(--accent); font-size: 12.5px; font-weight: 600; padding: 4px 8px; border-radius: 6px; font-family: var(--font); }
.ui-link:hover { background: var(--accent-light); }
.ui-time { padding: 10px; width: 236px; }
.ui-time-cols { display: flex; gap: 6px; height: 188px; }
.ui-col { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; position: relative; }
.ui-col.ap { flex: 0 0 56px; overflow: visible; }
.ui-cell { border: none; background: none; padding: 7px 0; border-radius: 7px; font-size: 13px; color: var(--text); font-family: var(--mono); flex-shrink: 0; }
.ui-cell:hover { background: var(--surface2); }
.ui-cell.sel { background: var(--accent); color: #fff; font-weight: 600; }
.ui-colors { padding: 12px; width: 220px; }
.ui-sw-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; }
.ui-sw { aspect-ratio: 1; border-radius: 50%; border: 2px solid transparent; box-shadow: inset 0 0 0 1px rgba(0,0,0,.12); transition: transform .1s; }
.ui-sw:hover { transform: scale(1.15); }
.ui-sw.sel { border-color: var(--text); }
.ui-hex { display: flex; align-items: center; gap: 6px; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); color: var(--muted); }
.ui-hex input { flex: 1; min-width: 0; padding: 6px 8px; border: 1px solid var(--border); border-radius: 7px; background: var(--bg); font-family: var(--mono); font-size: 12.5px; outline: none; }
.ui-hex input:focus { border-color: var(--accent); }
.ui-hex input.bad { border-color: var(--red); }
.ui-swatch { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--surface); box-shadow: 0 0 0 1px var(--border); cursor: pointer; padding: 0; }
.ui-swatch:hover, .ui-swatch.open { box-shadow: 0 0 0 2px var(--accent); }
.color-pick { gap: 8px; }

/* ════════ Dialogs + tooltips ════════ */
.ui-dialog { z-index: 850; }
.ui-dlg-msg { color: var(--muted); font-size: 13.5px; line-height: 1.6; margin-bottom: 8px; }
.ui-dialog .modal-footer { background: transparent; border-top: none; padding-top: 10px; }
.ui-tip { position: fixed; z-index: 900; background: var(--text); color: var(--bg); font-size: 12px; line-height: 1.4; padding: 6px 10px; border-radius: 7px; max-width: 280px; pointer-events: none; box-shadow: var(--shadow-md); animation: popin .1s ease-out; overflow-wrap: anywhere; }
@media (max-width: 768px) { .ui-dialog { align-items: center; padding: 20px; } .ui-dialog .modal { border-radius: var(--radius-lg); } .ui-tip { display: none; } }