/* MBA.com.hk — 繁中站共用樣式（index / schools / guides / 404） */
:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #1a1f2e;
  --muted: #5b6477;
  --border: #e3e6ee;
  --primary: #1e40af;
  --primary-hover: #1e3a8a;
  --accent: #f59e0b;
  --tag-bg: #eef2ff;
  --tag-text: #3730a3;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.08), 0 4px 6px rgba(15, 23, 42, 0.05);
  --radius: 10px;
  --max: 1120px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC",
    "Microsoft JhengHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}
.brand .logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 800;
}
.brand .name-en { letter-spacing: 0.5px; }
.brand .name-zh { color: var(--muted); font-weight: 500; margin-left: 6px; }

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
}
.nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
}
.lang-toggle {
  background: var(--tag-bg);
  color: var(--tag-text);
  border: 1px solid transparent;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.lang-toggle:hover { background: #dde2ff; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
  color: #fff;
  padding: 56px 0 64px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  margin: 0 0 16px;
  line-height: 1.2;
}
.hero p {
  font-size: 17px;
  opacity: 0.92;
  margin: 0 0 24px;
  max-width: 720px;
}
.hero .cta {
  display: inline-block;
  background: var(--accent);
  color: #1a1f2e;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 700;
  box-shadow: var(--shadow);
}
.hero .cta:hover { background: #fbbf24; text-decoration: none; }

/* ===== Sub-page hero ===== */
.page-hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
  color: #fff;
  padding: 40px 0 48px;
}
.page-hero h1 {
  font-size: clamp(24px, 3.5vw, 36px);
  margin: 0 0 8px;
  line-height: 1.25;
}
.page-hero p { opacity: 0.92; margin: 0; font-size: 15px; }

/* ===== Breadcrumb ===== */
.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin: 16px 0 4px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 6px; color: var(--border); }

/* ===== Toolbar ===== */
.toolbar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin: -28px auto 32px;
  max-width: var(--max);
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow-lg);
}
.toolbar label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-right: 4px;
}
.toolbar input[type="search"] {
  flex: 1 1 220px;
  min-width: 180px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
}
.toolbar input[type="search"]:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
  border-color: transparent;
}
.toolbar select {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}
.filter-group {
  display: flex;
  gap: 4px;
  background: #eef2ff;
  padding: 4px;
  border-radius: 8px;
}
.filter-group button {
  background: transparent;
  border: none;
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  border-radius: 6px;
  cursor: pointer;
}
.filter-group button.active {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow);
}

/* ===== Card grid ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.card .school {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.card .title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin: 0;
}
.card .blurb {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.card dl {
  margin: 4px 0 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 12px;
  font-size: 13px;
}
.card dt {
  color: var(--muted);
  font-weight: 600;
}
.card dd {
  margin: 0;
  color: var(--text);
}
.card .footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.card .actions {
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}
.card .school-link { font-weight: 600; font-size: 14px; }
.card .apply {
  font-weight: 600;
  font-size: 14px;
}
.card .ranking {
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  background: #fef3c7;
  padding: 3px 8px;
  border-radius: 4px;
}
.card .verified {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--muted);
  margin-top: 6px;
}
.card .verified span { color: #15803d; font-weight: 600; }
.card .verified a { color: var(--muted); text-decoration: underline; }
.card .verified a:hover { color: var(--primary); }
.hidden { display: none !important; }
.empty {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}

/* ===== Data table ===== */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 12px 0 8px;
  background: var(--card);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th, .data-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.data-table th {
  background: var(--tag-bg);
  font-size: 13px;
  white-space: nowrap;
}

/* ===== About / Contact / section blocks ===== */
.section-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}
.section-block h2 {
  margin: 0 0 14px;
  font-size: 22px;
}
.section-block p {
  color: var(--muted);
  margin: 0 0 8px;
  font-size: 15px;
}
.section-block .meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 16px;
}
.school-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 15px;
}

/* ===== Prose (guides) ===== */
.prose {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}
.prose h1 { font-size: 26px; margin: 0 0 16px; line-height: 1.3; }
.prose h2 { font-size: 20px; margin: 28px 0 12px; }
.prose h3 { font-size: 17px; margin: 20px 0 10px; }
.prose p { color: var(--text); font-size: 15px; margin: 0 0 12px; }
.prose ul, .prose ol { margin: 0 0 16px 20px; font-size: 15px; }
.prose li { margin-bottom: 6px; }
.prose blockquote {
  border-left: 3px solid var(--primary);
  padding-left: 12px;
  color: var(--muted);
  margin: 16px 0;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 14px;
}
.prose th, .prose td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.prose th { background: var(--tag-bg); }
.notice {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  color: #92400e;
  margin: 16px 0;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--card);
  padding: 24px 0;
  margin-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

/* ===== Mobile ===== */
@media (max-width: 640px) {
  .hero { padding: 40px 0 48px; }
  .toolbar { margin: -20px 16px 24px; }
  .container { padding: 0 16px; }
  .section-block, .prose { padding: 20px; }
  .header-inner { padding: 12px 0; }
  .nav { gap: 12px; }
}