:root {
  --directory-navy: #003f7d;
  --directory-navy-dark: #002c58;
  --directory-accent: #0b6fc2;
  --directory-text: #1d2b3e;
  --directory-muted: #536477;
  --directory-background: #f3f7fb;
  --directory-surface: #ffffff;
  --directory-border: #c8d8e8;
}

body.student-directory-page {
  margin: 0;
  color: var(--directory-text);
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.6;
  text-align: left;
  background: var(--directory-background) !important;
}

.student-directory-page #header {
  width: min(100%, 1200px);
  height: auto;
  margin: 0 auto;
  overflow: hidden;
  text-align: center;
  background: var(--directory-navy-dark);
  border: 0;
}

.student-directory-page #header a,
.student-directory-page #header img {
  display: block;
}

.student-directory-page #header img {
  width: 100%;
  height: auto;
  border: 0;
}

.student-directory-page #container {
  width: min(100%, 1200px);
  min-height: 0;
  margin: 0 auto;
  text-align: left;
  background: transparent;
  border: 0;
}

.department-directory {
  padding: 36px 32px 56px;
}

.directory-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.9fr);
  gap: 16px 28px;
  align-items: center;
  padding: 20px 24px;
  color: var(--directory-text);
  background: var(--directory-surface);
  border: 1px solid var(--directory-border);
  border-radius: 12px;
}

.directory-hero__eyebrow {
  margin: 0 0 6px;
  color: #cfe8ff;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.directory-hero h1 {
  margin: 0;
  color: var(--directory-navy-dark);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
}

.directory-hero__intro > p {
  max-width: 42rem;
  margin: 8px 0 0;
  color: var(--directory-muted);
  font-size: 1rem;
}

.directory-search {
  min-width: 0;
  margin: 0;
}

.directory-search > label {
  display: block;
  margin-bottom: 8px;
  color: var(--directory-navy-dark);
  font-weight: 700;
}

.directory-search__controls {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.directory-search input {
  min-width: 0;
  min-height: 48px;
  flex: 1;
  padding: 10px 14px;
  color: var(--directory-text);
  font: inherit;
  font-size: 1rem;
  background: #ffffff;
  border: 1px solid #9eb4ca;
  border-radius: 8px;
}

.directory-search input::placeholder {
  color: #66758a;
}

.directory-search button {
  min-height: 48px;
  padding: 10px 16px;
  color: var(--directory-navy-dark);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background: #e5f1fc;
  border: 1px solid #e5f1fc;
  border-radius: 8px;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.directory-search button:hover {
  color: #ffffff;
  background: var(--directory-accent);
  border-color: var(--directory-accent);
  transform: translateY(-1px);
}

.directory-search__status {
  min-height: 1.6em;
  margin: 10px 0 0;
  color: var(--directory-muted);
  font-size: 0.9375rem;
}

.directory-empty {
  margin: 24px 0 0;
  padding: 16px 20px;
  color: #663c00;
  background: #fff7e6;
  border: 1px solid #e4bd73;
  border-radius: 10px;
}

.college-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 330px), 1fr));
  gap: 24px;
  margin-top: 28px;
}

.college-card {
  overflow: hidden;
  background: var(--directory-surface);
  border: 1px solid var(--directory-border);
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(18, 53, 88, 0.06);
}

.college-card__header {
  padding: 18px 20px 16px;
  background: #eef5fc;
  border-bottom: 1px solid var(--directory-border);
  border-left: 6px solid var(--directory-accent);
}

.college-card__header p {
  margin: 0 0 2px;
  color: #42617e;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.college-card__header h2 {
  margin: 0;
  color: var(--directory-navy-dark);
  font-size: 1.25rem;
  font-weight: 700;
}

.department-list {
  display: grid;
  align-content: start;
  gap: 2px;
  margin: 0;
  padding: 12px;
  list-style: none;
}

.department-list li {
  min-width: 0;
}

.department-list a {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  min-height: 36px;
  padding: 5px 10px;
  color: #203a56;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.department-list a::before {
  width: 0;
  height: 0;
  flex: 0 0 auto;
  margin-right: 10px;
  content: "";
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid var(--directory-accent);
}

.department-list a:hover {
  color: var(--directory-navy-dark);
  background: #eaf4fd;
  transform: translateX(2px);
}

.department-list a:focus-visible,
.directory-search input:focus,
.directory-search button:focus-visible,
.directory-skip-link:focus {
  outline: 3px solid rgba(11, 111, 194, 0.55);
  outline-offset: 3px;
}

.department-list a:focus-visible {
  outline-color: rgba(11, 111, 194, 0.55);
}

.directory-skip-link {
  position: absolute;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  background: var(--directory-navy-dark);
  border-radius: 6px;
  transform: translateY(-160%);
}

.directory-skip-link:focus {
  transform: translateY(0);
}

.student-directory-page #footer {
  box-sizing: border-box;
  width: min(100%, 1200px);
  height: auto;
  min-height: 0;
  margin: 0 auto;
  padding: 20px 24px;
  color: #e5eef8;
  font-size: 0.875rem;
  line-height: 1.7;
  text-align: center;
  background: var(--directory-navy-dark);
  border: 0;
}

.student-directory-page #footer a {
  color: #ffffff;
}

.student-directory-page #footer img {
  vertical-align: text-bottom;
}

[hidden] {
  display: none !important;
}

@media (max-width: 767px) {
  .student-directory-page #header,
  .student-directory-page #container,
  .student-directory-page #footer {
    width: 100%;
  }

  .department-directory {
    padding: 20px 16px 40px;
  }

  .directory-hero {
    grid-template-columns: 1fr;
    padding: 18px;
    border-radius: 12px;
  }

  .directory-search__controls {
    flex-direction: row;
  }

  .directory-search button {
    flex: 0 0 auto;
  }

  .college-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 20px;
  }

  .college-card__header {
    padding: 16px;
  }

  .student-directory-page #footer {
    padding: 18px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .directory-search button,
  .department-list a {
    transition: none;
  }
}