:root {
  --primary: #2a7f78;
  --primary-dark: #1f5f5a;
  --primary-light: #e3f2f0;
  --accent: #d77a8a;
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #243230;
  --muted: #6b7c79;
  --border: #dde5e3;
  --danger: #c0392b;
  --warn: #b8860b;
  --ok: #2e7d32;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* hidden 屬性必須蓋過任何 display 宣告（如 .login-wrap 的 flex），否則畫面切換失效 */
[hidden] { display: none !important; }

html { font-size: 16px; }

body {
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

/* ---------- 版面 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--primary);
  color: #fff;
  padding: 12px 16px;
  box-shadow: var(--shadow);
}
.topbar .brand { font-size: 1.1rem; font-weight: 700; letter-spacing: 1px; }
.topbar .spacer { flex: 1; }
.topbar .user-info { font-size: 0.85rem; opacity: 0.9; }

.menu-btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  padding: 4px 8px;
}

.layout { display: flex; min-height: calc(100vh - 56px); }

.sidenav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 230px;
  background: #fff;
  border-right: 1px solid var(--border);
  padding-top: 64px;
  transform: translateX(-100%);
  transition: transform 0.2s ease;
  z-index: 40;
  overflow-y: auto;
}
.sidenav.open { transform: translateX(0); }
.sidenav a {
  display: block;
  padding: 13px 22px;
  color: var(--text);
  font-size: 0.98rem;
  border-left: 3px solid transparent;
}
.sidenav a.active {
  background: var(--primary-light);
  border-left-color: var(--primary);
  color: var(--primary-dark);
  font-weight: 600;
}
.sidenav a:hover { background: var(--primary-light); }
.sidenav .nav-section {
  padding: 16px 22px 4px;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 1px;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 30;
  display: none;
}
.overlay.show { display: block; }

main.content {
  flex: 1;
  padding: 16px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 900px) {
  .menu-btn { display: none; }
  .sidenav { transform: translateX(0); padding-top: 70px; }
  .overlay { display: none !important; }
  main.content { margin-left: 230px; padding: 24px 32px; }
}

/* ---------- 卡片與標題 ---------- */
.page-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 8px 0 16px;
  color: var(--primary-dark);
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 16px;
}
.card h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--primary-dark);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (min-width: 700px) { .stat-grid { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
}
.stat .num { font-size: 1.7rem; font-weight: 700; color: var(--primary); }
.stat .label { font-size: 0.82rem; color: var(--muted); }

/* ---------- 表格（手機轉卡片） ---------- */
.table-wrap { overflow-x: auto; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--card);
}
table.data th, table.data td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.data th { background: var(--primary-light); color: var(--primary-dark); font-weight: 600; }
table.data tr:hover td { background: #fafcfb; }

@media (max-width: 640px) {
  table.data.stack thead { display: none; }
  table.data.stack tr {
    display: block;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 10px;
    padding: 6px 0;
  }
  table.data.stack td {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border: none;
    padding: 6px 14px;
    white-space: normal;
  }
  table.data.stack td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.82rem;
    flex-shrink: 0;
  }
}

/* ---------- 表單 ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 700px) { .form-grid { grid-template-columns: 1fr 1fr; } }
.form-grid .full { grid-column: 1 / -1; }
.field label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}
.field textarea { resize: vertical; min-height: 70px; }

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--primary);
  color: #fff;
  min-height: 44px;
}
.btn:hover { background: var(--primary-dark); }
.btn.secondary { background: #fff; color: var(--primary-dark); border: 1px solid var(--primary); }
.btn.danger { background: var(--danger); }
.btn.small { padding: 6px 12px; min-height: 36px; font-size: 0.85rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.row.between { justify-content: space-between; }
.mt { margin-top: 12px; }

/* ---------- 標籤與徽章 ---------- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}
.badge.green { background: #e6f4e7; color: var(--ok); }
.badge.red { background: #fbe9e7; color: var(--danger); }
.badge.yellow { background: #fdf3d7; color: var(--warn); }
.badge.gray { background: #eceff0; color: var(--muted); }
.badge.teal { background: var(--primary-light); color: var(--primary-dark); }
.badge.pink { background: #fbeaee; color: var(--accent); }

/* ---------- 時間軸 ---------- */
.timeline { list-style: none; }
.timeline li {
  position: relative;
  padding: 10px 0 10px 22px;
  border-left: 2px solid var(--border);
  margin-left: 8px;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 17px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
}
.timeline .time { font-size: 0.8rem; color: var(--muted); }
.timeline .what { font-weight: 600; }
.timeline .detail { font-size: 0.9rem; color: var(--muted); }

/* ---------- 相片牆 ---------- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.photo-grid figure {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.photo-grid img { width: 100%; height: 140px; object-fit: cover; display: block; }
.photo-grid figcaption { padding: 6px 10px; font-size: 0.78rem; color: var(--muted); }

/* ---------- 登入頁 ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(160deg, var(--primary-light), var(--bg));
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
  padding: 32px 28px;
}
.login-card h1 {
  font-size: 1.4rem;
  color: var(--primary-dark);
  text-align: center;
  margin-bottom: 4px;
}
.login-card .sub {
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 22px;
}
.login-card .field { margin-bottom: 14px; }
.login-card .btn { width: 100%; }
.login-hint {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--bg);
  border-radius: 8px;
  padding: 10px 12px;
}

.error-msg { color: var(--danger); font-size: 0.88rem; margin-top: 8px; min-height: 1.2em; }
.ok-msg { color: var(--ok); font-size: 0.88rem; margin-top: 8px; }

/* ---------- 燈箱 / 對話框 ---------- */
dialog.modal {
  border: none;
  border-radius: 14px;
  padding: 0;
  width: min(560px, calc(100vw - 32px));
  max-height: 88vh;
  overflow-y: auto;
}
dialog.modal::backdrop { background: rgba(0, 0, 0, 0.4); }
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: #fff;
}
.modal-head h3 { color: var(--primary-dark); font-size: 1.05rem; }
.modal-body { padding: 18px 20px; }
.close-btn { background: none; border: none; font-size: 1.3rem; color: var(--muted); }

/* ---------- 排班表 ---------- */
.shift-table td, .shift-table th { text-align: center; }
.shift-cell { min-width: 90px; }
.shift-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 6px;
  padding: 1px 8px;
  font-size: 0.78rem;
  margin: 1px;
}
.shift-tag button {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 0.85rem;
  padding: 0 0 0 4px;
}

/* ---------- 家屬入口 ---------- */
.family-hero {
  background: linear-gradient(150deg, #f8e9ed, var(--primary-light));
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.family-hero h2 { color: var(--primary-dark); font-size: 1.25rem; }
.family-hero p { color: var(--muted); font-size: 0.9rem; }
.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (min-width: 600px) { .summary-grid { grid-template-columns: repeat(4, 1fr); } }
.summary-grid .item {
  background: #fff;
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
  box-shadow: var(--shadow);
}
.summary-grid .item .v { font-size: 1.3rem; font-weight: 700; color: var(--primary); }
.summary-grid .item .k { font-size: 0.78rem; color: var(--muted); }

.tabbar { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tabbar button {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.88rem;
  color: var(--muted);
}
.tabbar button.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}

.empty { color: var(--muted); text-align: center; padding: 24px 0; font-size: 0.9rem; }

/* ---------- 列印（評鑑月報佐證文件） ---------- */
@media print {
  .topbar, .sidenav, .overlay, .no-print, .menu-btn { display: none !important; }
  main.content { margin-left: 0 !important; max-width: none; padding: 0; }
  body { background: #fff; }
  .card, .stat { box-shadow: none; border: 1px solid var(--border); }
  table.data th, table.data td { padding: 4px 8px; font-size: 0.8rem; }
}