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

:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #f5a623;
  --primary-dark: #d98e0f;
  --income: #16a34a;
  --expense: #dc2626;
  --warn: #f59e0b;
}

body {
  font-family: "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  background: #1f2430;
  color: #fff;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

header h1 { font-size: 20px; }

nav { display: flex; gap: 4px; }

.tab {
  background: transparent;
  border: none;
  color: #cbd5e1;
  padding: 8px 16px;
  font-size: 15px;
  cursor: pointer;
  border-radius: 8px;
}
.tab:hover { background: rgba(255,255,255,.1); }
.tab.active { background: var(--primary); color: #1f2430; font-weight: 700; }

main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }

.panel { display: none; }
.panel.active { display: block; }

.toolbar {
  display: flex; gap: 16px; align-items: center;
  margin: 16px 0; flex-wrap: wrap;
}

.cards { display: flex; gap: 16px; flex-wrap: wrap; margin: 16px 0; }

.card {
  flex: 1; min-width: 200px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.card-label { color: var(--muted); font-size: 14px; }
.card-value { font-size: 28px; font-weight: 700; margin-top: 6px; }
.card-sub { color: var(--muted); font-size: 13px; margin-top: 6px; }
.card.income .card-value { color: var(--income); }
.card.expense .card-value { color: var(--expense); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

.chart-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.chart-box h3 { font-size: 15px; margin-bottom: 8px; color: var(--muted); }

h3 { margin: 16px 0 8px; }

/* 預算進度條 */
.budget-row {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 8px;
}
.budget-row .top {
  display: flex; justify-content: space-between;
  font-size: 14px; margin-bottom: 6px;
}
.budget-row .bar {
  height: 10px; background: #eef0f4; border-radius: 5px; overflow: hidden;
}
.budget-row .fill { height: 100%; border-radius: 5px; background: var(--income); }
.budget-row.warn .fill { background: var(--warn); }
.budget-row.over .fill { background: var(--expense); }
.budget-row .pct { font-weight: 700; }
.budget-row.over .pct { color: var(--expense); }
.budget-row.warn .pct { color: var(--warn); }

/* 表單 */
.tx-form {
  display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 8px;
}
.tx-form label, .settings-form label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 13px; color: var(--muted);
}
input, select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  min-width: 110px;
}

button.primary {
  background: var(--primary);
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
button.primary:hover { background: var(--primary-dark); }

button.danger {
  background: transparent;
  border: none;
  color: var(--expense);
  cursor: pointer;
  font-size: 13px;
}

/* 表格 */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
th, td { padding: 10px 12px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
th { background: #f0f1f5; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
}
.badge.income { background: #dcfce7; color: var(--income); }
.badge.expense { background: #fee2e2; color: var(--expense); }
.badge.windsor { background: #e0e7ff; color: #4338ca; }

.settings-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  max-width: 520px;
  display: flex; flex-direction: column; gap: 12px;
}

.hint { color: var(--muted); font-size: 13px; margin: 4px 0; }
.hint a { color: var(--primary-dark); }

#sync-status, #settings-status { font-size: 14px; color: var(--muted); }

button.secondary {
  background: #eef0f4;
  border: 1px solid var(--border);
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}
button.secondary:hover { background: #e2e5ea; }

/* 分潤表單 */
.deal-form { flex-direction: column; align-items: stretch; }
.deal-head { display: flex; gap: 12px; flex-wrap: wrap; }
.split-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.deal-actions { display: flex; gap: 12px; align-items: center; }
.row-label { flex-direction: row !important; align-items: center; gap: 8px !important; }
.row-label input { min-width: auto; }

/* 每週確認彈窗 */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: #fff;
  border-radius: 14px;
  padding: 24px;
  width: min(640px, 92vw);
  max-height: 85vh;
  overflow: auto;
  display: flex; flex-direction: column; gap: 12px;
}
.modal h2 { font-size: 20px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 8px; }
.weekly-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }

/* 使用者資訊列 */
.user-box {
  margin-left: auto;
  display: flex; align-items: center; gap: 8px;
  color: #cbd5e1; font-size: 14px;
}
.header-btn {
  background: rgba(255,255,255,.12);
  border: none; color: #fff;
  padding: 6px 12px; border-radius: 8px;
  font-size: 13px; cursor: pointer;
}
.header-btn:hover { background: rgba(255,255,255,.22); }

/* 依權限隱藏操作按鈕（後端仍會擋，前端只是不顯示） */
body.no-tx-perm #tx-table .danger,
body.no-tx-perm #sync-btn,
body.no-tx-perm #sheet-sync-btn { display: none; }
body.no-deals-perm [data-deldeal],
body.no-deals-perm [data-delbonus] { display: none; }

th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--text); }
body.no-budget-perm #budget-table button { display: none; }
body.no-budget-perm #budget-table input { pointer-events: none; background: #f0f1f5; }

tr.inactive td { opacity: .5; }

/* 手機優化（LINE 內建瀏覽器） */
@media (max-width: 640px) {
  header { padding: 12px; gap: 10px; }
  header h1 { font-size: 17px; }
  nav {
    order: 3; width: 100%;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
  }
  .tab { white-space: nowrap; padding: 8px 12px; font-size: 14px; }
  main { margin: 12px auto; padding: 0 10px; }
  .cards { gap: 10px; }
  .card { min-width: 140px; padding: 14px; }
  .card-value { font-size: 22px; }
  .tx-form, .deal-head { gap: 8px; }
  .tx-form label { flex: 1 1 45%; }
  input, select { min-width: 0; width: 100%; }
  table { display: block; overflow-x: auto; white-space: nowrap; }
  th, td { padding: 8px; font-size: 13px; }
}