:root {
  color-scheme: light dark;
  --bg: #f6f6f4;
  --surface: #ffffff;
  --border: #dedcd6;
  --text: #1b1b19;
  --muted: #6c6a63;
  --accent: #0f6b5c;
  --accent-soft: #e2f0ec;
  --warn: #9a3d1f;
  --radius: 10px;
  --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131412;
    --surface: #1c1e1c;
    --border: #33362f;
    --text: #eceae4;
    --muted: #9d9a91;
    --accent: #6fd1bb;
    --accent-soft: #1f322d;
    --warn: #e0906c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 clamp(1rem, 4vw, 3rem) 3rem;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.45;
}

.masthead { padding: 2rem 0 1rem; }

.masthead h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
}

.masthead h1 span {
  display: block;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  margin: 1.25rem 0 0;
}

.stats div { display: flex; flex-direction: column; }
.stats dt { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.stats dd { margin: 0; font-size: 1.15rem; font-variant-numeric: tabular-nums; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.field { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.78rem; color: var(--muted); }
.field.grow { flex: 1 1 16rem; }
.field.checkbox { flex-direction: row; align-items: center; gap: 0.45rem; padding-bottom: 0.5rem; }

.field input,
.field select {
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.45rem 0.6rem;
}

.field input[type="checkbox"] { width: 1rem; height: 1rem; accent-color: var(--accent); padding: 0; }
.field input:focus-visible, .field select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  margin-top: 1.25rem;
}

@media (min-width: 62rem) {
  .layout { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: start; }
  .detail { position: sticky; top: 1rem; max-height: calc(100vh - 2rem); overflow-y: auto; }
}

.count { margin: 0 0 0.75rem; font-size: 0.8rem; color: var(--muted); }

.subjects { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }

.subject {
  position: relative;
  display: grid;
  grid-template-columns: 0.35rem minmax(0, 1fr) auto;
  gap: 0 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
}

.subject .open {
  position: absolute;
  inset: 0;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
}

.subject:hover { border-color: var(--accent); }
.subject:has(.open:focus-visible) { outline: 2px solid var(--accent); outline-offset: 1px; }
.subject:has(.open[aria-current="true"]) { border-color: var(--accent); background: var(--accent-soft); }
.subject .swatch { grid-area: 1 / 1 / span 2 / 2; border-radius: 3px; background: var(--muted); }
.subject .name { grid-area: 1 / 2; font-weight: 600; }
.subject .meta { grid-area: 2 / 2; font-size: 0.78rem; color: var(--muted); }
.subject .tally { grid-area: 1 / 3 / span 2 / 4; display: flex; align-items: center; gap: 0.6rem; }
.subject .vacancies { text-align: right; font-variant-numeric: tabular-nums; }
.subject .vacancies strong { display: block; font-size: 1.05rem; }
.subject .vacancies span { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.subject.full .vacancies strong { color: var(--warn); }

.detail {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.detail .placeholder { margin: 0; color: var(--muted); font-size: 0.9rem; }
.detail h2 { margin: 0 0 0.15rem; font-size: 1.1rem; }
.detail .subtitle { margin: 0 0 1rem; font-size: 0.8rem; color: var(--muted); }

.badges { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }

.badge {
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.classes { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.7rem; }
.class { border-top: 1px solid var(--border); padding-top: 0.7rem; }
.class header { display: flex; justify-content: space-between; gap: 0.5rem; font-size: 0.88rem; font-weight: 600; }
.class header span { font-weight: 400; color: var(--muted); font-size: 0.78rem; }
.lessons { list-style: none; margin: 0.35rem 0 0; padding: 0; font-size: 0.82rem; color: var(--muted); }
.lessons li { display: flex; gap: 0.5rem; font-variant-numeric: tabular-nums; }
.lessons .weekday { min-width: 5.5rem; color: var(--text); }

.page-link { color: inherit; text-decoration-color: var(--accent); text-underline-offset: 3px; }
.page-link:hover { color: var(--accent); }
.page-link::after { content: " \2197"; font-size: 0.8em; color: var(--accent); }

.preset {
  font: inherit;
  font-size: 0.82rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

.preset:hover { border-color: var(--accent); }

.presets { display: flex; gap: 0.4rem; }
.preset.ghost { color: var(--muted); background: transparent; border-color: var(--border); }
.preset.ghost:hover { color: var(--text); border-color: var(--muted); }

.field select[name="department"] { max-width: 13rem; }

.detail .close {
  display: none;
  float: right;
  font: inherit;
  font-size: 0.78rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  cursor: pointer;
}

.scrim { display: none; }

@media (max-width: 61.99rem) {
  .detail {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    max-height: 82vh;
    overflow-y: auto;
    border-width: 1px 0 0;
    border-radius: 14px 14px 0 0;
    box-shadow: 0 -8px 30px rgb(0 0 0 / 0.22);
    transform: translateY(101%);
    transition: transform 0.22s ease-out;
  }

  .detail[data-open="true"] { transform: none; }
  .detail .placeholder { display: none; }
  .detail .close { display: block; }

  .scrim:not([hidden]) {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1;
    background: rgb(0 0 0 / 0.45);
  }
}

@media (prefers-reduced-motion: reduce) {
  .detail { transition: none; }
}

.star {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  font: inherit;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--muted);
  background: transparent;
  border: 0;
  padding: 0 0.1rem;
  cursor: pointer;
}

.star:hover { color: var(--accent); }
.star[aria-pressed="true"] { color: var(--accent); }

.lists { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; margin-bottom: 1rem; }
.chip { display: inline-flex; align-items: stretch; }

.list-toggle,
.list-remove,
.list-form button {
  font: inherit;
  font-size: 0.75rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  cursor: pointer;
}

.list-toggle[aria-pressed="true"] { color: var(--accent); background: var(--accent-soft); border-color: var(--accent); }
.list-toggle:hover, .list-remove:hover, .list-form button:hover { color: var(--text); border-color: var(--muted); }
.chip .list-toggle { border-radius: 999px 0 0 999px; }
.chip .list-remove { border-left: 0; border-radius: 0 999px 999px 0; padding-inline: 0.45rem; }

.list-form { display: inline-flex; gap: 0.3rem; }

.list-form input {
  font: inherit;
  font-size: 0.75rem;
  width: 7.5rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
}

.field select[name="list"] { max-width: 9rem; }