@import url('/brand.css');

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, color-mix(in srgb, var(--coral) 14%, transparent), transparent 28%),
    linear-gradient(180deg, var(--bg), var(--bg-deep));
  color: var(--ink);
  font-family: var(--font-body);
}

.subjects-page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 56px;
  display: grid;
  gap: 24px;
}

.subjects-hero,
.subjects-controls,
.subject-card {
  border: 2px solid var(--border);
  border-radius: 28px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
}

.subjects-hero,
.subjects-controls {
  padding: 24px;
}

.subjects-hero,
.subjects-controls {
  display: grid;
  gap: 16px;
}

.subjects-hero p,
.subjects-controls p,
.subject-card p,
.subject-meta {
  color: var(--ink-soft);
}

.subjects-controls-row,
.subject-filter-row,
.subject-card-head,
.subject-card-actions,
.subject-grid {
  display: grid;
  gap: 14px;
}

.subjects-controls-row {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.subject-search,
.subject-filter,
.subject-action,
.subject-quick-link {
  border: 2px solid var(--border);
  border-radius: 18px;
  font: inherit;
}

.subject-search,
.subject-filter {
  padding: 12px 14px;
  background: var(--surface-2);
  color: var(--ink);
}

.subject-filter-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.subject-filter {
  cursor: pointer;
}

.subject-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.subject-card {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.subject-card-head {
  grid-template-columns: auto 1fr;
  align-items: start;
}

.subject-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  border: 2px solid var(--border);
  background: color-mix(in srgb, var(--surface-2) 88%, transparent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: var(--shadow-sm);
}

.subject-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 8px 12px;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-2) 88%, transparent);
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.subject-card-actions {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.subject-action,
.subject-quick-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  background: var(--lime);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.subject-action:hover,
.subject-quick-link:hover,
.subject-card:hover {
  transform: translate(-2px, -2px);
}

.empty-state {
  padding: 24px;
  border: 2px dashed var(--border);
  border-radius: 24px;
  color: var(--ink-soft);
  text-align: center;
}

@media (max-width: 960px) {
  .subject-grid,
  .subject-filter-row,
  .subjects-controls-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .subjects-page {
    width: min(100% - 20px, 1180px);
    gap: 18px;
  }

  .subjects-hero,
  .subjects-controls,
  .subject-card {
    padding: 20px;
    border-radius: 24px;
  }

  .subject-card-actions {
    grid-template-columns: 1fr;
  }
}