/* SUMods — Sabancı University timetable planner */

:root {
  color-scheme: light;
  --ink: #13213c;
  --ink-2: #4c5a77;
  --ink-3: #7b869d;
  --paper: #f2f5f9;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --rule: #dde3ec;
  --rule-2: #c6cfdd;
  --accent: #1f56d6;
  --accent-soft: #e6edfd;
  --accent-ink: #ffffff;
  --clash: #cc2038;
  --clash-soft: #fdeaec;
  --ok: #0d7a5f;
  --shadow: 0 6px 24px rgba(19, 33, 60, .13), 0 1px 3px rgba(19, 33, 60, .08);
  --radius: 10px;
  --lane: 54px;

  --c0-bg: #d9e6ff; --c0-ink: #123c97; --c0-edge: #a8c4f7;
  --c1-bg: #cdf0e6; --c1-ink: #0a6148; --c1-edge: #9adbc9;
  --c2-bg: #ffe6b6; --c2-ink: #7a4a00; --c2-edge: #f2c979;
  --c3-bg: #ffd9e0; --c3-ink: #9c1a3b; --c3-edge: #f5adbd;
  --c4-bg: #e5dcff; --c4-ink: #4c2cae; --c4-edge: #c3b2f4;
  --c5-bg: #d2eef8; --c5-ink: #0a566f; --c5-edge: #9bd3e8;
  --c6-bg: #ffdcc9; --c6-ink: #8e3a06; --c6-edge: #f5bb98;
  --c7-bg: #e2ecc6; --c7-ink: #465e08; --c7-edge: #c3d798;

  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { color-scheme: dark; --ink: #e7ecf6; --ink-2: #a7b3c9; --ink-3: #7b8699;
    --paper: #0d1523; --surface: #141d2f; --surface-2: #19243a; --rule: #263248; --rule-2: #38465f;
    --accent: #7ba4ff; --accent-soft: #1c2c4d; --accent-ink: #0d1523; --clash: #ff6b81; --clash-soft: #3a1c26;
    --ok: #55c9a5; --shadow: 0 8px 28px rgba(0, 0, 0, .5), 0 1px 3px rgba(0, 0, 0, .4);
    --c0-bg: #1d3468; --c0-ink: #cadcff; --c0-edge: #2f4d90;
    --c1-bg: #104034; --c1-ink: #b6eedc; --c1-edge: #1d5f4e;
    --c2-bg: #4a3410; --c2-ink: #ffe1a6; --c2-edge: #6b4d1a;
    --c3-bg: #501d2b; --c3-ink: #ffcfd9; --c3-edge: #722b3f;
    --c4-bg: #32275f; --c4-ink: #ded3ff; --c4-edge: #483a85;
    --c5-bg: #103b4c; --c5-ink: #bfeaf7; --c5-edge: #1b566d;
    --c6-bg: #512710; --c6-ink: #ffd4bd; --c6-edge: #73391a;
    --c7-bg: #333f1b; --c7-ink: #dfeeb4; --c7-edge: #4b5c28;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark; --ink: #e7ecf6; --ink-2: #a7b3c9; --ink-3: #7b8699;
  --paper: #0d1523; --surface: #141d2f; --surface-2: #19243a; --rule: #263248; --rule-2: #38465f;
  --accent: #7ba4ff; --accent-soft: #1c2c4d; --accent-ink: #0d1523; --clash: #ff6b81; --clash-soft: #3a1c26;
  --ok: #55c9a5; --shadow: 0 8px 28px rgba(0, 0, 0, .5), 0 1px 3px rgba(0, 0, 0, .4);
  --c0-bg: #1d3468; --c0-ink: #cadcff; --c0-edge: #2f4d90;
  --c1-bg: #104034; --c1-ink: #b6eedc; --c1-edge: #1d5f4e;
  --c2-bg: #4a3410; --c2-ink: #ffe1a6; --c2-edge: #6b4d1a;
  --c3-bg: #501d2b; --c3-ink: #ffcfd9; --c3-edge: #722b3f;
  --c4-bg: #32275f; --c4-ink: #ded3ff; --c4-edge: #483a85;
  --c5-bg: #103b4c; --c5-ink: #bfeaf7; --c5-edge: #1b566d;
  --c6-bg: #512710; --c6-ink: #ffd4bd; --c6-edge: #73391a;
  --c7-bg: #333f1b; --c7-ink: #dfeeb4; --c7-edge: #4b5c28;
}

.c0 { --bg: var(--c0-bg); --fg: var(--c0-ink); --edge: var(--c0-edge); }
.c1 { --bg: var(--c1-bg); --fg: var(--c1-ink); --edge: var(--c1-edge); }
.c2 { --bg: var(--c2-bg); --fg: var(--c2-ink); --edge: var(--c2-edge); }
.c3 { --bg: var(--c3-bg); --fg: var(--c3-ink); --edge: var(--c3-edge); }
.c4 { --bg: var(--c4-bg); --fg: var(--c4-ink); --edge: var(--c4-edge); }
.c5 { --bg: var(--c5-bg); --fg: var(--c5-ink); --edge: var(--c5-edge); }
.c6 { --bg: var(--c6-bg); --fg: var(--c6-ink); --edge: var(--c6-edge); }
.c7 { --bg: var(--c7-bg); --fg: var(--c7-ink); --edge: var(--c7-edge); }

*, *::before, *::after { box-sizing: inherit; }

html { scroll-padding-top: env(safe-area-inset-top, 0px); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Instrument Sans", ui-sans-serif, system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
  padding-bottom: 12px;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* ---------------------------------------------------------------- top bar */

.topbar {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px max(14px, env(safe-area-inset-left)) 9px max(14px, env(safe-area-inset-right));
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: -.015em; font-size: 17px; }
.brand svg { display: block; }
.brand span { font-stretch: 88%; }

.tabs { display: none; gap: 2px; margin-left: 6px; }
.tabs button {
  border: 0; background: none; color: var(--ink-2); padding: 6px 12px; border-radius: 8px;
  font-weight: 600; font-size: 14px;
}
.tabs button[aria-selected="true"] { background: var(--accent-soft); color: var(--accent); }
.tabs button:hover { color: var(--ink); }

.topbar-right .select { max-width: 40vw; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.select {
  appearance: none; -webkit-appearance: none;
  background: var(--surface-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%237b869d' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 10px center;
  border: 1px solid var(--rule); border-radius: 8px;
  padding: 6px 28px 6px 10px; font-size: 14px; font-weight: 600; max-width: 62vw;
  text-overflow: ellipsis;
}

.icon-btn {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--rule); border-radius: 8px; background: var(--surface-2);
}
.icon-btn:hover { border-color: var(--rule-2); }

/* ---------------------------------------------------------------- layout */

main { padding: 14px max(14px, env(safe-area-inset-left)) 0 max(14px, env(safe-area-inset-right)); }
.view[hidden] { display: none; }

.tt-layout { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); grid-template-areas: "search" "grid" "side"; }
.pane-search { grid-area: search; }
.pane-grid { grid-area: grid; min-width: 0; }
.pane-side { grid-area: side; min-width: 0; }

@media (min-width: 1080px) {
  .tt-layout {
    grid-template-columns: minmax(0, 1fr) 372px;
    grid-template-areas: "grid search" "grid side";
    align-items: start;
  }
  .pane-side { position: sticky; top: 76px; max-height: calc(100dvh - 96px); overflow: auto; padding-right: 2px; }
}

.card { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); }

/* ---------------------------------------------------------------- search */

.search-wrap { position: relative; }
.search-field { display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--rule-2); border-radius: var(--radius); padding: 0 12px; }
.search-field:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-field svg { flex: none; color: var(--ink-3); }
.search-field input { flex: 1; border: 0; background: none; padding: 11px 0; font-size: 15px; min-width: 0; appearance: none; -webkit-appearance: none; }
.search-field input:focus { outline: none; }
.search-field input::placeholder { color: var(--ink-3); }
.search-clear { border: 0; background: none; color: var(--ink-3); padding: 4px; display: none; }
.search-field.filled .search-clear { display: block; }

.results {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 30;
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius);
  box-shadow: var(--shadow); max-height: min(58vh, 420px); overflow: auto; padding: 4px;
}
.results[hidden] { display: none; }
.res {
  display: flex; align-items: baseline; gap: 8px; width: 100%; text-align: left;
  border: 0; background: none; border-radius: 8px; padding: 8px 10px;
}
.res:hover, .res.active { background: var(--surface-2); }
.res.active { box-shadow: inset 0 0 0 1px var(--rule-2); }
.res-code { font-weight: 700; font-stretch: 84%; letter-spacing: .01em; flex: none; }
.res-title { color: var(--ink-2); font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.res-tag { margin-left: auto; flex: none; font-size: 12px; color: var(--ink-3); }
.res-tag.added { color: var(--ok); font-weight: 600; }
.res-empty { padding: 12px; color: var(--ink-3); font-size: 14px; }

/* ---------------------------------------------------------------- timetable */

.grid-card { padding: 10px 10px 12px; overflow: hidden; }

.tt-toolbar { display: flex; align-items: center; gap: 8px; padding: 0 2px 8px; }
.tt-toolbar .spacer { flex: 1; }
.chip-btn {
  border: 1px solid var(--rule); background: var(--surface-2); border-radius: 8px;
  padding: 5px 10px; font-size: 13px; font-weight: 600; color: var(--ink-2);
  display: inline-flex; align-items: center; gap: 6px;
}
.chip-btn:hover { border-color: var(--rule-2); color: var(--ink); }
.chip-btn[aria-pressed="true"] { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.tt-meta { font-size: 12.5px; color: var(--ink-3); }

.tt-scroll { overflow-x: auto; overflow-y: hidden; }
.tt-v .tt-vbody { margin-bottom: 12px; }            /* room for the last hour label (19:40) below the grid */
.tt-hint { margin: 8px 2px 0; font-size: 12.5px; color: var(--ink-3); }
.tt-hint[hidden] { display: none; }

.tt { --label-w: 46px; user-select: none; }
.tt-h { min-width: calc(var(--label-w) + var(--hours) * 56px); }
/* the whole day always shows: if it can't fit, the grid scrolls sideways instead of being cut */
#grid, #room-grid { overflow-x: auto; overscroll-behavior-x: contain; }
.tt-h .tt-dlabel { position: sticky; left: 0; z-index: 3; background: var(--surface); }
.tt-row { display: grid; grid-template-columns: var(--label-w) minmax(0, 1fr); }
.tt-axis { position: relative; height: 20px; }
.tt-tick { position: absolute; top: 0; font-size: 11px; color: var(--ink-3); transform: translateX(-50%); }
.tt-tick:first-child { transform: none; }
.tt-tick:last-child { transform: translateX(-100%); }
.tt-dlabel { font-size: 12px; font-weight: 600; color: var(--ink-2); padding-top: 6px; }
.tt-dlabel.today { color: var(--accent); }
.tt-track {
  position: relative; height: calc(var(--lanes) * var(--lane));
  border-top: 1px solid var(--rule);
  background-image: linear-gradient(to right, color-mix(in srgb, var(--rule) 70%, transparent) 1px, transparent 1px);
  background-size: calc(100% / var(--hours)) 100%;
}
.tt-row:last-child .tt-track { border-bottom: 1px solid var(--rule); }

.tt-v { --ppm: .86; }
.tt-vhead, .tt-vbody { display: grid; grid-template-columns: var(--label-w) repeat(var(--days), minmax(0, 1fr)); }
.tt-vhead { position: sticky; top: 0; background: var(--surface); z-index: 5; }
.tt-vname { font-size: 12px; font-weight: 600; color: var(--ink-2); text-align: center; padding: 2px 0 6px; }
.tt-vname.today { color: var(--accent); }
.tt-vbody { position: relative; margin-top: 9px; height: calc(var(--mins) * var(--ppm) * 1px); }
.tt-vaxis { position: relative; border-right: 1px solid var(--rule); }
.tt-vaxis span { position: absolute; right: 6px; font-size: 11px; color: var(--ink-3); transform: translateY(-6px); }
.tt-vcol {
  position: relative; border-right: 1px solid var(--rule);
  background-image: linear-gradient(to bottom, color-mix(in srgb, var(--rule) 70%, transparent) 1px, transparent 1px);
  background-size: 100% calc(60 * var(--ppm) * 1px);
}
.tt-vcol:last-child { border-right: 0; }

.blk {
  position: absolute; border: 0; border-radius: 9px; padding: 4px 7px; overflow: hidden;
  text-align: left; display: block; background: var(--bg); color: var(--fg);
  box-shadow: inset 4px 0 0 var(--fg), inset 0 0 0 1px var(--edge), 0 1px 2px rgba(19, 33, 60, .07);
  font-size: 12px; line-height: 1.25; padding-left: 10px;
}
.blk.sub { background: color-mix(in srgb, var(--bg) 45%, var(--surface)); }
.blk .b-code {
  display: block; font-weight: 700; font-stretch: 78%; letter-spacing: .01em; font-size: 12.5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tt-v .blk { font-size: 11.5px; line-height: 1.2; padding: 3px 6px; }
.tt-v .blk .b-code { font-size: 11.5px; }
.blk.short .b-code, .blk.tiny .b-code { font-size: 11px; }
.blk .b-grp {
  display: block; font-weight: 600; font-stretch: 84%; opacity: .85;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.blk .b-where { display: block; font-stretch: 78%; opacity: .72; white-space: nowrap; text-overflow: ellipsis; overflow: hidden; }
.blk.short .b-where { display: none; }
.blk.tiny .b-grp, .blk.tiny .b-where { display: none; }
.blk.clash { box-shadow: inset 4px 0 0 var(--clash), inset 0 0 0 2px var(--clash), 0 1px 3px rgba(19, 33, 60, .1); }
.blk.dim { opacity: .4; }
.blk.active { box-shadow: inset 0 0 0 2px var(--accent), 0 1px 3px rgba(19, 33, 60, .1); }
.blk.ghost {
  background: color-mix(in srgb, var(--bg) 40%, var(--surface));
  border: 2px dashed color-mix(in srgb, var(--fg) 65%, transparent);
  box-shadow: none;
}
.blk.ghost:hover { background: var(--bg); border-color: var(--fg); }
.blk.ghost.will-clash { border-color: var(--clash); color: var(--clash); }

.now-line { position: absolute; background: var(--clash); pointer-events: none; z-index: 4; }
.tt-h .now-line { top: 0; bottom: 0; width: 2px; }
.tt-v .now-line { left: 0; right: 0; height: 2px; }

.tt-empty { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 20px; }
.tt-empty p { margin: 0 0 4px; color: var(--ink-2); font-weight: 600; }
.tt-empty small { color: var(--ink-3); display: block; max-width: 34ch; margin: 0 auto 12px; }

.swapbar {
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px;
  background: var(--accent-soft); color: var(--accent); border-radius: var(--radius); padding: 8px 10px; font-size: 13.5px; font-weight: 600;
}
.swapbar[hidden] { display: none; }
.swapbar button { margin-left: auto; border: 0; background: var(--accent); color: var(--accent-ink); border-radius: 7px; padding: 5px 11px; font-size: 13px; font-weight: 600; }

.tba-strip { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; align-items: center; font-size: 12.5px; color: var(--ink-3); }
.tba-strip .tba-item { background: var(--surface-2); border: 1px solid var(--rule); border-radius: 999px; padding: 3px 9px; color: var(--ink-2); font-weight: 600; }

/* ---------------------------------------------------------------- summary + course list */

.summary { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 10px; }
.stat { background: var(--surface); border: 1px solid var(--rule); border-radius: 999px; padding: 4px 12px; font-size: 13px; font-weight: 600; }
.stat b { font-weight: 700; }
.stat.warn { color: var(--clash); border-color: color-mix(in srgb, var(--clash) 40%, var(--rule)); background: var(--clash-soft); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.btn {
  border: 1px solid var(--rule-2); background: var(--surface); border-radius: 9px; padding: 7px 12px;
  font-size: 13.5px; font-weight: 600; display: inline-flex; align-items: center; gap: 7px;
}
.btn:hover { border-color: var(--ink-3); }
.btn.primary { background: var(--accent); border-color: transparent; color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.quiet { border-color: transparent; background: none; color: var(--ink-2); }
.btn.quiet:hover { background: var(--surface-2); }

.course-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; min-width: 0; }
.course {
  min-width: 0;
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 10px 12px 11px; border-left: 4px solid var(--edge);
}
.course.hidden-course { opacity: .55; }
.course-top { display: flex; align-items: flex-start; gap: 8px; }
.course-code { font-weight: 700; font-stretch: 84%; letter-spacing: .01em; }
.course-title { color: var(--ink-2); font-size: 13.5px; }
.course-top .grow { flex: 1; min-width: 0; }
.course-btns { display: flex; gap: 2px; flex: none; }
.course-btns button { border: 0; background: none; color: var(--ink-3); border-radius: 7px; width: 28px; height: 28px; display: grid; place-items: center; }
.course-btns button:hover { background: var(--surface-2); color: var(--ink); }
.swatch { width: 15px; height: 15px; border-radius: 5px; border: 0; background: var(--bg); box-shadow: inset 0 0 0 1px var(--edge); margin-top: 4px; flex: none; }
.palette { display: flex; gap: 6px; margin: 8px 0 2px; }
.palette button { width: 22px; height: 22px; border-radius: 6px; border: 0; box-shadow: inset 0 0 0 1px var(--edge); }
.palette button[aria-pressed="true"] { outline: 2px solid var(--ink); outline-offset: 2px; }

.comp-row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px; align-items: center; margin-top: 8px; }
.comp-name { font-size: 12.5px; font-weight: 700; font-stretch: 84%; color: var(--ink-2); }
.comp-row select { width: 100%; min-width: 0; max-width: 100%; text-overflow: ellipsis; }
.course-note { font-size: 12.5px; color: var(--ink-3); margin-top: 7px; }
.course-note.clash { color: var(--clash); font-weight: 600; }
.course-note.muted { color: var(--ink-3); font-size: 12.5px; }
.note-action { border: 0; background: none; padding: 0; font: inherit; font-weight: 700; color: inherit; text-decoration: underline; cursor: pointer; }
.course-note.clash .note-action { color: var(--clash); }
.course-note.muted .note-action { color: var(--accent); }

.empty-note { color: var(--ink-3); font-size: 14px; padding: 14px 2px; }

/* ---------------------------------------------------------------- courses + rooms views */

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; align-items: center; }
.filters .search-wrap { flex: 1 1 240px; }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--rule); border-radius: 9px; padding: 2px; }
.seg button { border: 0; background: none; padding: 5px 11px; border-radius: 7px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(19, 33, 60, .1); }

.catalog { display: grid; gap: 8px; }
.cat-item { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); }
.cat-head { display: flex; align-items: center; gap: 10px; padding: 10px 12px; width: 100%; background: none; border: 0; text-align: left; }
.cat-head .grow { flex: 1; min-width: 0; }
.cat-code { font-weight: 700; font-stretch: 84%; }
.cat-title { color: var(--ink-2); font-size: 13.5px; }
.cat-sub { color: var(--ink-3); font-size: 12.5px; margin-top: 2px; }
.cat-head .cat-sub { display: block; }
.cat-add { flex: none; }
.cat-body { padding: 0 12px 12px; display: none; }
.cat-item.open .cat-body { display: block; }
.sec-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sec-table caption { text-align: left; font-weight: 700; font-size: 12.5px; color: var(--ink-2); padding: 10px 0 4px; font-stretch: 84%; }
.sec-table th { text-align: left; font-weight: 600; font-size: 11.5px; color: var(--ink-3); padding: 2px 8px 2px 0; }
.sec-table td { padding: 3px 8px 3px 0; border-top: 1px solid var(--rule); vertical-align: top; }
.sec-table td:first-child { font-weight: 700; font-stretch: 86%; white-space: nowrap; }
.sec-table .muted { color: var(--ink-3); }

.detail-head { margin-bottom: 4px; }
.detail-meta { color: var(--ink-3); font-size: 12.5px; margin: 0 0 8px; }
.detail-desc { font-size: 14px; line-height: 1.55; margin: 0 0 10px; max-width: 72ch; }
.detail-desc.muted { color: var(--ink-3); font-size: 13px; }
.detail-extra { font-size: 13px; margin: 0 0 6px; color: var(--ink-2); max-width: 72ch; }
.detail-extra b { font-weight: 700; font-stretch: 86%; }
.detail-links { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }
.detail-links .btn { text-decoration: none; font-size: 12.5px; padding: 5px 10px; }
.course-note.warn { color: var(--c2-ink); font-weight: 600; }
:root[data-theme="dark"] .course-note.warn, :root:not([data-theme="light"]) .course-note.warn { color: #ffc766; }

.req-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); margin-bottom: 16px; }
.req-card { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 10px 12px; }
.req-card { display: block; width: 100%; text-align: left; font: inherit; color: inherit; cursor: pointer; }
.req-card:hover { border-color: var(--accent); }

.dlg-wide { width: min(640px, calc(100vw - 28px)); }
.req-tabs { display: flex; flex-wrap: wrap; gap: 4px; padding: 0 16px 10px; border-bottom: 1px solid var(--rule); }
.req-tab { border: 0; background: var(--surface-2); border-radius: 7px; padding: 5px 10px; font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.req-tab.active { background: var(--accent); color: var(--accent-ink); }
.req-pool-bar { margin: 8px 0; }
.req-pool-legend { display: flex; gap: 14px; font-size: 12px; color: var(--ink-2); margin-bottom: 10px; }
.req-pool-legend .req-pool-dot { display: inline-block; margin-right: 5px; }
.req-pool-list { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 9px; overflow: hidden; }
.req-pool-row { display: grid; grid-template-columns: 10px auto 1fr auto auto; align-items: center; gap: 9px; padding: 7px 10px; background: var(--surface); font-size: 13px; }
.req-pool-credits { font-size: 11px; color: var(--ink-3); white-space: nowrap; }
.req-pool-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
.req-pool-code { font-weight: 700; font-stretch: 84%; white-space: nowrap; }
.req-pool-title { color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.req-pool-status { font-size: 11.5px; font-weight: 600; color: var(--ink-3); white-space: nowrap; }
.req-pool-row.req-pool-taken .req-pool-dot { background: var(--ok); }
.req-pool-row.req-pool-taken .req-pool-status { color: var(--ok); }
.req-pool-row.req-pool-taken { background: color-mix(in srgb, var(--ok) 7%, var(--surface)); }
.req-pool-row.req-pool-planned .req-pool-dot { background: var(--c2-ink); }
.req-pool-row.req-pool-planned .req-pool-status { color: var(--c2-ink); }
.req-pool-row.req-pool-planned { background: color-mix(in srgb, var(--c2-bg) 55%, var(--surface)); }
.req-pool-row.req-pool-failed .req-pool-dot { background: var(--clash); }
.req-pool-row.req-pool-failed .req-pool-status { color: var(--clash); }
.req-pool-row.req-pool-open .req-pool-title { color: var(--ink-3); }
.req-pool-legend .req-pool-taken { background: var(--ok); }
.req-rule { font-size: 12px; color: var(--ink-3); margin: 5px 0 0; }
.req-rule.met { color: var(--ok); font-weight: 600; }
.req-rule.planned { color: var(--c2-ink); }
.req-rule.bad { color: var(--clash); font-weight: 600; }
.req-rules { display: grid; gap: 4px; margin: 0 0 10px; padding: 8px 10px; border: 1px solid var(--rule); border-radius: 9px; }
.req-pool-legend .req-pool-planned { background: var(--c2-ink); }
.req-pool-legend .req-pool-open { background: var(--ink-3); }
.req-card { cursor: pointer; }
.req-card:hover { border-color: var(--rule-2); }
.req-card.open { border-color: var(--accent); }
.req-detail { margin-top: 9px; padding-top: 8px; border-top: 1px solid var(--rule); display: grid; gap: 6px; }
.req-detail-row { display: grid; grid-template-columns: auto 1fr auto; gap: 6px 8px; align-items: baseline; font-size: 12.5px; }
.req-detail-code { font-weight: 700; font-stretch: 84%; }
.req-detail-title { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.req-detail-term { color: var(--ink-3); white-space: nowrap; }
.req-detail-sub { grid-column: 1 / -1; color: var(--accent); font-size: 11.5px; }
.req-top { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; margin-bottom: 7px; }
.req-top span { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.bar { height: 6px; border-radius: 99px; background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--rule); overflow: hidden; }
.bar { position: relative; }
.bar span { display: block; height: 100%; background: color-mix(in srgb, var(--accent) 45%, transparent); }
.bar i { position: absolute; inset: 0 auto 0 0; background: var(--accent); }
.req-missing { font-size: 12px; color: var(--ink-3); margin: 7px 0 0; }

.plan-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.sem-card { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 10px 12px 11px; }
.sem-head { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 8px; }
.sem-head span { color: var(--ink-3); }
.sem-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto auto; gap: 8px; align-items: center; padding: 4px 0; border-top: 1px solid var(--rule); }
.grade-select { border: 1px solid var(--rule); border-radius: 6px; background: var(--surface-2); font-size: 11.5px; font-weight: 700; padding: 1px 4px; width: 46px; }
.add-term { border-style: dashed; }
.sem-head span { display: inline-flex; align-items: center; gap: 6px; }
.import-list { display: grid; gap: 6px; margin: 8px 0 4px; }
.import-row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; font-size: 12.5px; padding: 6px 8px; background: var(--surface-2); border-radius: 8px; }
.import-row span { color: var(--ink-3); }
#import-file { width: 100%; font-size: 13px; padding: 10px; border: 1px dashed var(--rule-2); border-radius: 9px; background: var(--surface-2); }
.sem-row.warn { color: var(--c2-ink); }
.sem-code { border: 0; background: none; padding: 0; font-weight: 700; font-stretch: 84%; font-size: 13px; color: inherit; }
.sem-code:hover { color: var(--accent); }
.sem-title { color: var(--ink-3); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sem-cr { font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.sem-x { border: 0; background: none; color: var(--ink-3); font-size: 12px; padding: 0 2px; }
.sem-x:hover { color: var(--clash); }
.sem-issue { grid-column: 1 / -1; font-size: 11.5px; color: var(--c2-ink); }
.sem-plus { width: 100%; margin-top: 8px; border: 1px dashed var(--rule-2); background: none; color: var(--ink-3); border-radius: 8px; padding: 6px; font-size: 12.5px; font-weight: 600; }
.sem-plus:hover { border-color: var(--accent); color: var(--accent); }
.sem-add { margin-top: 8px; }
.sem-input { width: 100%; border: 1px solid var(--accent); border-radius: 8px; padding: 6px 9px; font-size: 13px; background: var(--surface-2); }
.sem-results { margin-top: 4px; max-height: 190px; overflow: auto; }
.sem-results .res { padding: 5px 7px; font-size: 12.5px; }
:root[data-theme="dark"] .sem-row.warn, :root:not([data-theme="light"]) .sem-row.warn,
:root[data-theme="dark"] .sem-issue, :root:not([data-theme="light"]) .sem-issue { color: #ffc766; }

/* Today: the next days as compact cards (phone first). One header line per day, classes beneath, quiet days collapse to a line. */
.today-days { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; max-width: 720px; }
.day-card { min-width: 0; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 10px 14px 6px; }
.day-card.is-today { border-color: color-mix(in srgb, var(--accent) 45%, var(--rule)); }
.day-card.quiet { padding-bottom: 10px; }
.day-head { display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 8px; row-gap: 2px; min-width: 0; }
.day-head h3 { margin: 0; font-size: 16px; letter-spacing: -.01em; }
.day-card.is-today .day-head h3 { color: var(--accent); }
.day-date { color: var(--ink-3); font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.day-wxs { margin-left: auto; display: inline-flex; gap: 10px; align-self: center; }
.day-wx { display: inline-flex; align-items: center; gap: 4px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.day-wx b { font-size: 14px; color: var(--ink); }
.day-wx small { font-size: 12px; color: var(--ink-3); }
.wx-ico { flex: none; }
.day-note { margin: 4px 0 2px; font-size: 13px; color: var(--ink-3); }
.day-note.holiday { color: var(--accent); font-weight: 600; }
.today-row { display: grid; grid-template-columns: 46px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 7px 0; border-top: 1px solid var(--rule); }
.day-head + .today-row { margin-top: 6px; }
.today-time { font-weight: 700; font-size: 14px; font-variant-numeric: tabular-nums; line-height: 1.15; }
.today-time small { display: block; font-weight: 400; font-size: 11.5px; color: var(--ink-3); }
.today-main { display: flex; align-items: center; gap: 8px; min-width: 0; flex-wrap: wrap; }
.today-code { font-weight: 700; font-stretch: 84%; background: var(--bg); color: var(--fg); border-radius: 6px; padding: 1px 7px; }
.today-where { color: var(--ink-3); font-size: 12.5px; }
.today-status { font-size: 12.5px; color: var(--ink-3); font-weight: 600; white-space: nowrap; }
.today-row.past { opacity: .5; }
.today-row.live .today-status { color: var(--accent); }
.today-row.live { background: var(--accent-soft); border-radius: 9px; padding-left: 8px; padding-right: 8px; margin: 0 -8px; }
#today-more { justify-self: start; }

.blk.custom { background-image: repeating-linear-gradient(135deg, transparent 0 7px, color-mix(in srgb, var(--fg) 9%, transparent) 7px 9px); }
.events-list { display: grid; gap: 6px; margin-bottom: 12px; }
.event-row { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: baseline; text-align: left; width: 100%;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 9px; padding: 7px 10px; font-size: 13px; }
.event-row:hover { border-color: var(--accent); }
.event-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 10px; }
.event-grid label { display: grid; gap: 4px; font-size: 12.5px; color: var(--ink-2); font-weight: 600; }
.event-grid .full { grid-column: 1 / -1; }
.event-grid input { border: 1px solid var(--rule-2); border-radius: 8px; padding: 7px 9px; background: var(--surface-2); font-size: 14px; width: 100%; }
.reg-today { background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 13px; border-radius: 9px; padding: 7px 10px; margin: 10px 0 0; }
.day-badge.today { box-shadow: 0 0 0 2px var(--accent); }

.workload { margin-top: 14px; }
.workload h3, .pg-wrap h3 { font-size: 12px; font-weight: 700; color: var(--ink-3); margin: 0 0 6px; font-stretch: 84%; text-transform: uppercase; letter-spacing: .04em; }
.wl-bar { display: flex; height: 12px; border-radius: 99px; overflow: hidden; background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--rule); }
.wl-seg { display: block; height: 100%; background: var(--fg); }
.wl-seg.study { background: repeating-linear-gradient(135deg, var(--rule-2) 0 4px, transparent 4px 8px); }
.wl-legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12.5px; margin: 7px 0 4px; }
.wl-legend i { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 5px; background: var(--fg); vertical-align: 0; }
.wl-legend i.study { background: repeating-linear-gradient(135deg, var(--rule-2) 0 3px, transparent 3px 6px); box-shadow: inset 0 0 0 1px var(--rule-2); }

.pg-wrap { margin-top: 14px; overflow-x: auto; }
.pg { display: block; width: 100%; height: auto; }
.pg-head { font-size: 10.5px; fill: var(--ink-3); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.pg-edge { fill: none; stroke: var(--rule-2); stroke-width: 1.4; }
.pg-node { cursor: pointer; }
.pg-node rect { fill: var(--surface-2); stroke: var(--rule-2); }
.pg-node text { font-size: 12px; font-weight: 700; fill: var(--ink); font-family: inherit; }
.pg-node:hover rect, .pg-node:focus rect { stroke: var(--accent); }
.pg-node.center rect { fill: var(--accent); stroke: var(--accent); }
.pg-node.center text { fill: var(--accent-ink); }
.pg-node.alt rect { stroke-dasharray: 4 3; }
.pg-node.off text { fill: var(--ink-3); }

.seat { display: inline-block; font-size: 11.5px; font-weight: 700; border-radius: 999px; padding: 1px 7px; white-space: nowrap; }
.seat.ok { background: var(--c1-bg); color: var(--c1-ink); }
.seat.low { background: var(--c2-bg); color: var(--c2-ink); }
.seat.full { background: var(--clash-soft); color: var(--clash); }
.seat-note { font-size: 12px; color: var(--ink-3); display: flex; align-items: center; gap: 8px; margin: 6px 0 0; }
.crn-row .seat { margin-left: 6px; }

.regdays { margin-top: 12px; padding: 12px 14px 14px; }
.regdays:empty { display: none; }
.reg-head { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 8px; }
.reg-head .side-head { margin: 0; }
.minor-chip { display: inline-flex; align-items: center; gap: 6px; flex-wrap: nowrap; max-width: 100%; background: var(--surface); border: 1px solid var(--rule); border-radius: 999px; padding: 3px 6px 3px 12px; font-size: 13px; }
.minor-chip b { white-space: nowrap; }
.minor-chip .select { min-width: 0; padding-top: 3px; padding-bottom: 3px; font-size: 13px; }
.reg-pick { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-2); font-weight: 600; max-width: 100%; min-width: 0; }
.reg-pick .select { min-width: 0; max-width: 100%; text-overflow: ellipsis; }
html { overflow-x: hidden; }
@supports (overflow: clip) { html { overflow-x: clip; } body { overflow-x: clip; } }
body { overscroll-behavior-x: none; }
/* iOS Safari ignores overflow-x on the page for touch panning (it shows up when the phone is turned sideways): only vertical
   panning (and pinch) is allowed on the page itself. Scrollers like the timetable grid are their own scroll containers,
   so they keep their sideways scrolling. */
html, body { touch-action: pan-y pinch-zoom; width: 100%; }
#grid, #room-grid, .tt-scroll, .pg-wrap { touch-action: pan-x pan-y pinch-zoom; }
.reg-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.reg-table th { text-align: left; font-size: 11px; color: var(--ink-3); font-weight: 600; padding-bottom: 4px; }
.reg-table td { padding: 5px 8px 5px 0; border-top: 1px solid var(--rule); vertical-align: middle; }
.reg-code { font-weight: 700; font-stretch: 84%; color: var(--fg); }
.day-badge { display: inline-block; border-radius: 999px; padding: 1px 9px; font-size: 11.5px; font-weight: 700; }
.day-badge.d1 { background: var(--c1-bg); color: var(--c1-ink); }
.day-badge.d2 { background: var(--c2-bg); color: var(--c2-ink); }
.day-badge.d3 { background: var(--c0-bg); color: var(--c0-ink); }
.day-badge.approval { background: var(--c5-bg, #efe3ff); color: var(--c5-ink, #5b2a9c); }
.day-badge.none { background: var(--clash-soft); color: var(--clash); }
.reg-crns { display: flex; flex-wrap: wrap; gap: 4px; }
.crn-chip { border: 1px solid var(--rule); background: var(--surface-2); border-radius: 6px; padding: 1px 7px; font-size: 12px; font-variant-numeric: tabular-nums; }
.crn-chip:hover { border-color: var(--accent); color: var(--accent); }
.reg-flags { font-size: 11.5px; color: var(--ink-3); }
.restricted-row { background: color-mix(in srgb, var(--c2-bg) 35%, transparent); }
.restrict-badge {
  display: inline-block; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em;
  background: var(--c2-bg); color: var(--c2-ink); border-radius: 5px; padding: 1px 6px; margin-left: 4px; vertical-align: 1px; cursor: help;
}

.side-head { font-size: 12px; font-weight: 700; color: var(--ink-3); margin: 0 0 6px; font-stretch: 84%; text-transform: uppercase; letter-spacing: .04em; }
.finals { margin-bottom: 14px; }
.final-row { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: baseline; font-size: 13px; padding: 5px 0; border-bottom: 1px solid var(--rule); }
.final-row:last-of-type { border-bottom: 0; }
.final-code { font-weight: 700; font-stretch: 84%; background: var(--bg); color: var(--fg); border-radius: 5px; padding: 1px 6px; }
.final-where { color: var(--ink-3); font-size: 12.5px; }
.final-row.clash { color: var(--clash); }

.reqs { margin-top: 14px; }
.reqs h3 { font-size: 12px; font-weight: 700; color: var(--ink-3); margin: 12px 0 5px; font-stretch: 84%; text-transform: uppercase; letter-spacing: .04em; }
.req-list { list-style: none; margin: 0; padding-left: 0; }
.req-list .req-list { padding-left: 16px; border-left: 1px solid var(--rule); margin: 4px 0 4px 8px; }
.req-list li { margin: 3px 0; }
.req {
  border: 1px solid var(--rule-2); background: var(--surface-2); border-radius: 7px;
  padding: 2px 8px; font-size: 12.5px; font-weight: 700; font-stretch: 86%;
}
.req:hover { border-color: var(--accent); color: var(--accent); }
.req-off { color: var(--ink-3); border-style: dashed; cursor: default; }
.req-or { font-size: 12px; color: var(--ink-3); }
.req-opens { display: flex; flex-wrap: wrap; gap: 5px; margin: 0; }

.opt-grid { display: flex; gap: 12px; flex-wrap: wrap; margin: 6px 0 4px; }
.opt-grid label { display: grid; gap: 4px; font-size: 12.5px; color: var(--ink-2); font-weight: 600; }
.option {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: center;
  width: 100%; text-align: left; background: var(--surface-2); border: 1px solid var(--rule);
  border-radius: 10px; padding: 9px 11px; margin-bottom: 6px;
}
.option:hover { border-color: var(--accent); }
.option-rank { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 7px; background: var(--ink); color: var(--paper); font-size: 12px; font-weight: 700; }
.option-main { display: grid; gap: 2px; min-width: 0; }
.option-stats { display: flex; gap: 10px; flex-wrap: wrap; font-size: 13px; font-weight: 600; }
.option-flags { font-size: 12px; color: var(--clash); }
.option-ok { font-size: 12px; color: var(--ok); }
.option-use { font-size: 12.5px; font-weight: 700; color: var(--accent); }

.date-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 10px 0 4px; }
.date-row label { display: grid; gap: 4px; font-size: 12.5px; color: var(--ink-2); font-weight: 600; }
.date-row input { border: 1px solid var(--rule-2); border-radius: 8px; padding: 7px 9px; background: var(--surface-2); font-size: 14px; }

.room-grid-wrap { margin-top: 12px; }
.room-list { display: flex; flex-wrap: wrap; gap: 6px; }
.room-btn { border: 1px solid var(--rule); background: var(--surface); border-radius: 8px; padding: 4px 9px; font-size: 13px; font-weight: 600; }
.room-btn[aria-pressed="true"] { background: var(--accent); border-color: transparent; color: var(--accent-ink); }
.building { font-size: 12px; font-weight: 700; color: var(--ink-3); margin: 12px 0 5px; font-stretch: 84%; }

/* ---------------------------------------------------------------- dialogs, toast, banner */

dialog {
  border: 1px solid var(--rule); border-radius: 14px; background: var(--surface); color: var(--ink);
  padding: 0; width: min(520px, calc(100vw - 28px)); box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(10, 18, 32, .45); }
.dlg-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px 6px; }
.dlg-head h2 { margin: 0; font-size: 17px; font-weight: 700; letter-spacing: -.01em; }
.dlg-head button { margin-left: auto; }
.dlg-body { padding: 4px 16px 14px; max-height: min(64vh, 520px); overflow: auto; }
.dlg-foot { display: flex; gap: 8px; padding: 10px 16px 14px; border-top: 1px solid var(--rule); flex-wrap: wrap; }
.dlg-body p { margin: 4px 0 12px; color: var(--ink-2); font-size: 13.5px; }

.crn-list { display: grid; gap: 6px; margin-bottom: 14px; }
.crn-row { display: flex; align-items: center; gap: 10px; width: 100%; background: var(--surface-2); border: 1px solid var(--rule); border-radius: 9px; padding: 8px 10px; text-align: left; }
.crn-row:hover { border-color: var(--accent); }
.crn-num { font-weight: 700; font-size: 15px; letter-spacing: .02em; }
.crn-for { color: var(--ink-2); font-size: 13px; }
.crn-copy { margin-left: auto; color: var(--ink-3); font-size: 12px; }
textarea.paste { width: 100%; min-height: 72px; border: 1px solid var(--rule); border-radius: 9px; padding: 8px 10px; background: var(--surface-2); resize: vertical; font-size: 14px; }

.opt { display: flex; align-items: flex-start; gap: 9px; padding: 7px 0; font-size: 14px; }
.opt input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--accent); }
.daychips { display: flex; gap: 6px; flex-wrap: wrap; margin: 4px 0 8px 25px; }
.daychips button { border: 1px solid var(--rule); background: var(--surface-2); border-radius: 999px; padding: 3px 10px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.daychips button[aria-pressed="true"] { background: var(--accent); border-color: transparent; color: var(--accent-ink); }

#toast-host { position: fixed; left: 0; right: 0; bottom: calc(env(safe-area-inset-bottom, 0px) + 74px); display: grid; justify-items: center; gap: 8px; z-index: 60; pointer-events: none; }
@media (min-width: 760px) { #toast-host { bottom: calc(env(safe-area-inset-bottom, 0px) + 18px); } }
.toast {
  pointer-events: auto; background: var(--ink); color: var(--paper); border-radius: 10px; padding: 9px 12px;
  font-size: 13.5px; font-weight: 600; display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow);
  max-width: min(92vw, 460px);
}
.toast button { border: 0; background: none; color: var(--accent); font-weight: 700; font-size: 13.5px; padding: 0; }
:root[data-theme="dark"] .toast button, :root:not([data-theme="light"]) .toast button { color: #9dbaff; }

.banner[hidden] { display: none; }
.banner { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; background: var(--accent-soft); color: var(--accent); border-radius: var(--radius); padding: 10px 12px; margin-bottom: 12px; font-size: 13.5px; font-weight: 600; }
.banner .btn { border-color: transparent; }

/* ---------------------------------------------------------------- bottom tabs (mobile) */

.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(12px); border-top: 1px solid var(--rule);
  padding-bottom: calc(env(safe-area-inset-bottom, 0px));
}
.tabbar button { border: 0; background: none; color: var(--ink-3); padding: 8px 0 9px; font-size: 10.5px; font-weight: 600; display: grid; justify-items: center; gap: 2px; }
.tabbar button[aria-selected="true"] { color: var(--accent); }

@media (min-width: 760px) {
  .tabs { display: flex; }
  .tabbar { display: none; }
  body { padding-bottom: 20px; }
}
@media (max-width: 759px) {
  body { padding-bottom: 68px; }
}

footer { color: var(--ink-3); font-size: 12px; padding: 18px max(14px, env(safe-area-inset-left)) 0; line-height: 1.6; }
footer a { color: inherit; }

@media (prefers-reduced-motion: no-preference) {
  .blk { transition: box-shadow .12s ease, opacity .12s ease; }
  .toast { animation: rise .18s ease-out; }
  @keyframes rise { from { transform: translateY(6px); opacity: 0; } }
}


@media print {
  .topbar, .tabbar, .pane-search, .actions, .tt-toolbar, .tt-hint, #toast-host, footer, .course-btns, .finals { display: none !important; }
  body { background: #fff; padding: 0; }
  .tt-layout { display: block; }
  .card { border: 0; }
  .tt-scroll { overflow: visible; }
  .course { break-inside: avoid; }
  .blk { box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .25); print-color-adjust: exact; -webkit-print-color-adjust: exact; }
}

/* course finder */
.fd-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.fd-input { flex: 1 1 180px; border: 1px solid var(--rule-2); border-radius: 8px; padding: 7px 10px; background: var(--surface-2); color: inherit; font: inherit; }
.fd-toggles { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.fd-results { display: grid; gap: 6px; max-height: 55vh; overflow: auto; }
.fd-row { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--rule); border-radius: 9px; background: var(--surface); }
.fd-main { min-width: 0; font-size: 13px; }
.fd-main span { color: var(--ink-2); }
.fd-sub { font-size: 12px; color: var(--ink-3); margin-top: 3px; }
.fd-badge { display: inline-block; border-radius: 999px; padding: 1px 8px; font-size: 11.5px; font-weight: 700; margin-left: 4px; }
.fd-badge.ok { background: var(--c1-bg); color: var(--c1-ink); }
.fd-badge.move { background: var(--c2-bg); color: var(--c2-ink); }

/* settings */
.set-group { border-top: 1px solid var(--rule); padding: 12px 0 4px; }
.set-group:first-child { border-top: 0; padding-top: 0; }
.set-group h3 { font-size: 12px; font-weight: 700; color: var(--ink-3); margin: 0 0 8px; text-transform: uppercase; letter-spacing: .04em; font-stretch: 84%; }
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 0; font-size: 14px; }
.set-row.set-stack { align-items: flex-start; }
.set-checks { display: grid; gap: 6px; font-size: 13.5px; }
.set-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.set-actions label.btn { cursor: pointer; }
.btn.danger { color: var(--clash); }

/* 12-hour labels ("12:40 pm") need a wider time gutter than "12:40" */
.clock12 .tt { --label-w: 62px; }
.tt-vaxis span, .tt-tick { white-space: nowrap; }

/* credits above the per-term maximum */
.stat.over { background: var(--clash-soft); color: var(--clash); box-shadow: inset 0 0 0 1px var(--clash); }
.stat.over b { color: var(--clash); }

/* in the catalog but not in this term's schedule */
.pg-node.offterm rect { opacity: .55; stroke-dasharray: 3 2; }
.pg-node.offterm text { opacity: .7; }

/* a rule sentence from the degree page, under a requirement card (two lines; the dialog shows all of it) */
.req-note-line { margin: 6px 0 0; font-size: 12px; color: var(--ink-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.day-fit { display: flex; align-items: center; gap: 4px; margin: 4px 0 2px; font-size: 12.5px; color: var(--ink-3); }
.day-fit span { margin-left: 4px; min-width: 0; }
.fit-ico { flex: none; color: var(--accent); }
.day-party { display: inline-flex; align-self: center; color: var(--accent); }
.day-note.holiday { display: flex; align-items: center; gap: 6px; }
.day-card.is-holiday { border-color: color-mix(in srgb, var(--accent) 35%, var(--rule)); }
.today-row.off { opacity: .55; }
.today-row.off .today-code { text-decoration: line-through; }
.today-row.off .today-status { color: var(--accent); font-weight: 600; }

.today-tag { display: inline-block; margin-left: 6px; padding: 0 6px; border-radius: 6px; font-size: 11px; color: var(--accent); background: var(--accent-soft); }
.day-note.makeup { color: var(--accent); }

.quick-links { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; }
.quick-links .btn { text-decoration: none; }
#preview-events { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
#preview-events[hidden] { display: none; }
#set-token { flex: 1 1 180px; min-width: 0; padding: 7px 10px; border: 1px solid var(--line, #8884); border-radius: 8px; background: transparent; color: inherit; font: inherit; }