:root {
  --hk-navy: #0b3d5c;
  --hk-teal: #1a7a6d;
  --hk-teal-dark: #146358;
  --hk-sand: #f4f7f6;
  --hk-border: #d5e0dc;
  --hk-text: #1c2b33;
  --hk-muted: #5a6b73;
  --hk-danger: #b42318;
  --hk-success: #067647;
  --hk-info: #175cd3;
  --radius: 10px;
  --shadow: 0 8px 24px rgba(11, 61, 92, 0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans TC", "Segoe UI", "Microsoft JhengHei", sans-serif;
  color: var(--hk-text);
  background: linear-gradient(160deg, #e8f2ef 0%, var(--hk-sand) 45%, #eef3f7 100%);
  min-height: 100vh;
}
a { color: var(--hk-teal-dark); }
.container { max-width: 960px; margin: 0 auto; padding: 24px 16px 48px; }
.container-wide { max-width: 1280px; }
.container-xl { max-width: 1400px; }

.banner {
  background: var(--hk-navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  overflow: hidden;
}
.banner-image-wrap {
  margin: -20px -24px 16px;
  background: #062536;
}
.banner-image {
  display: block;
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  object-position: center;
}
.banner h1 { margin: 0 0 6px; font-size: 1.35rem; font-weight: 700; }
.banner .sub { opacity: 0.9; font-size: 0.95rem; }
.banner-meta {
  display: flex; flex-wrap: wrap; gap: 12px 20px;
  justify-content: space-between; align-items: center; margin-top: 14px;
  font-size: 0.9rem;
}
.banner-preview {
  margin: 12px 0;
  border: 1px solid var(--hk-border);
  border-radius: 8px;
  overflow: hidden;
  background: #f0f4f3;
  max-width: 100%;
}
.banner-preview img {
  display: block;
  width: 100%;
  max-height: 240px;
  object-fit: contain;
  background: #fff;
}
.banner-preview-empty {
  padding: 28px;
  text-align: center;
  color: var(--hk-muted);
}

.card {
  background: #fff;
  border: 1px solid var(--hk-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.login-card { max-width: 420px; margin: 40px auto; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.92rem; }
.form-control, select.form-control, textarea.form-control {
  width: 100%; padding: 10px 12px; border: 1px solid var(--hk-border);
  border-radius: 8px; font: inherit; background: #fff;
}
textarea.form-control { min-height: 90px; resize: vertical; }
.hint { color: var(--hk-muted); font-size: 0.85rem; margin-top: 4px; }
.required::after { content: " *"; color: var(--hk-danger); }

.btn {
  display: inline-block; border: none; border-radius: 8px; padding: 10px 16px;
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-sm {
  padding: 4px 8px; font-size: 0.8rem; font-weight: 600; border-radius: 6px;
  line-height: 1.3; white-space: nowrap;
}
.btn-primary { background: var(--hk-teal); color: #fff; }
.btn-primary:hover { background: var(--hk-teal-dark); }
.btn-secondary { background: #e8eef1; color: var(--hk-navy); }
.btn-danger { background: var(--hk-danger); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.45); }

.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 14px; }
.alert-error { background: #fef3f2; color: var(--hk-danger); border: 1px solid #fecdca; }
.alert-success { background: #ecfdf3; color: var(--hk-success); border: 1px solid #abefc6; }
.alert-info { background: #eff8ff; color: var(--hk-info); border: 1px solid #b2ddff; }
.alert-warn { background: #fffaeb; color: #b54708; border: 1px solid #fedf89; }

.nav-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px;
}
.nav-tile {
  display: block; padding: 16px; border: 1px solid var(--hk-border); border-radius: var(--radius);
  background: #fff; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s;
}
.nav-tile:hover { border-color: var(--hk-teal); transform: translateY(-1px); }
.nav-tile strong { display: block; color: var(--hk-navy); margin-bottom: 4px; }
.nav-tile span { color: var(--hk-muted); font-size: 0.88rem; }

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
table.data th, table.data td { padding: 10px 8px; border-bottom: 1px solid var(--hk-border); text-align: left; }
table.data th { background: #f0f6f4; color: var(--hk-navy); }
.sub-status-cell { text-align: center; font-size: 1.15rem; font-weight: 700; }
.sub-ok { color: var(--hk-success); }
.sub-missing { color: var(--hk-danger); }

.radio-stack label, .check-stack label {
  display: flex; gap: 8px; align-items: flex-start; margin-bottom: 8px; font-weight: 400;
}
.check-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px 12px;
}
.team-block {
  margin: 12px 0 0 12px; padding: 12px; border-left: 3px solid var(--hk-teal);
  background: #f7fbfa; border-radius: 0 8px 8px 0;
}
.member-card { border: 1px dashed var(--hk-border); padding: 12px; border-radius: 8px; margin-bottom: 10px; }
.hidden { display: none !important; }
.muted { color: var(--hk-muted); }
.mt-2 { margin-top: 12px; }
.mb-0 { margin-bottom: 0; }
.flex-end { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }

.landing-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.landing-links a {
  flex: 1 1 200px; text-align: center; padding: 18px; background: #fff;
  border-radius: var(--radius); border: 1px solid var(--hk-border); text-decoration: none;
  color: var(--hk-navy); font-weight: 700; box-shadow: var(--shadow);
}
.landing-links a:hover { border-color: var(--hk-teal); }

.legal-section { font-size: 0.92rem; line-height: 1.55; }
.legal-block { margin-bottom: 18px; }
.legal-block h3 {
  margin: 0 0 8px; font-size: 1.05rem; color: var(--hk-navy);
  border-bottom: 1px solid var(--hk-border); padding-bottom: 6px;
}
.legal-list { margin: 0 0 10px; padding-left: 1.35rem; }
.legal-list li { margin-bottom: 8px; }
.legal-optout { margin: 0 0 18px; padding: 10px 12px; background: #f7fbfa; border-radius: 8px; }
.legal-declarations { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--hk-border); }
.legal-declarations label { font-weight: 600; }

.detail-grid {
  display: grid; grid-template-columns: 180px 1fr; gap: 8px 16px; font-size: 0.95rem;
}
.detail-grid .lbl { color: var(--hk-muted); font-weight: 600; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.actions-row {
  display: flex; flex-wrap: nowrap; align-items: center; gap: 4px;
  margin: 0; white-space: nowrap;
}
.actions-row form { display: inline; margin: 0; }
table.data td.actions-cell { white-space: nowrap; vertical-align: middle; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 14px; }
.toolbar .form-group { margin-bottom: 0; min-width: 140px; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 14px; }

@media (max-width: 640px) {
  .banner h1 { font-size: 1.15rem; }
  .container { padding: 16px 12px 32px; }
}