:root {
  --ink: #14171C;
  --ink-2: #4F5763;
  --ink-3: #6B7380;
  --on-dark-2: #B8C0CB;
  --on-dark-3: #8A93A0;
  --line-dark: #3A414B;
  --accent: #1F3A5F;
  --bg: #F4F5F7;
  --surface: #FFFFFF;
  --table-head: #F8F9FA;
  --border: #E1E4E8;
  --border-soft: #EEF0F2;
  --input-border: #C9CED6;
  --up: #C0262D;
  --down: #1E7A3C;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Noto Sans TC', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--accent); }
a:hover { color: #0F2440; }

.num {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

/* ---------- layout shells ---------- */

.shell-tool {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 20px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.shell-landing {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- top nav ---------- */

.topnav {
  background: var(--ink);
  color: #FFFFFF;
}

.topnav-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 32px;
  min-height: 56px;
}

.topnav-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
}

.topnav-brand-name {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: #FFFFFF;
}

.topnav-brand-tag {
  font-size: 12px;
  color: var(--on-dark-3);
}

.topnav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  flex: 1 1 auto;
}

.topnav-tab {
  height: 44px;
  padding: 0 14px;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  color: #A3ABB6;
  display: inline-flex;
  align-items: center;
  box-shadow: inset 0 -2px 0 transparent;
}

.topnav-tab.active {
  color: #FFFFFF;
  box-shadow: inset 0 -2px 0 #FFFFFF;
}

.topnav-tab.disabled {
  color: #5B636E;
  cursor: default;
}

/* ---------- query form ---------- */

.query-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 12px;
  color: var(--ink-2);
  font-weight: 500;
}

.field input {
  height: 40px;
  box-sizing: border-box;
  border: 1px solid var(--input-border);
  border-radius: 3px;
  padding: 0 12px;
  font: inherit;
  color: var(--ink);
  background: var(--surface);
}

.field input:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.btn {
  height: 44px;
  padding: 0 28px;
  border: 0;
  border-radius: 3px;
  background: var(--accent);
  color: #FFFFFF;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.btn:hover { background: #0F2440; }

.text-link {
  height: 44px;
  display: flex;
  align-items: center;
  font-size: 13px;
  text-decoration: none;
}

/* ---------- summary panel ---------- */

.summary-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  flex-wrap: wrap;
}

.summary-cell {
  padding: 16px 20px;
  flex: 1 1 160px;
  border-right: 1px solid var(--border-soft);
}

.summary-cell:last-child { border-right: 0; }

.summary-label {
  font-size: 12px;
  color: var(--ink-2);
}

.summary-value {
  font-size: 20px;
  margin-top: 8px;
}

.summary-value-lg {
  font-size: 26px;
  font-weight: 500;
}

.summary-sub {
  font-size: 14px;
  margin-left: 10px;
}

/* ---------- data tables ---------- */

.table-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.table-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.table-panel-title {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.table-panel-note {
  font-size: 12px;
  color: var(--ink-3);
}

.table-scroll { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}

.data-table thead tr {
  background: var(--table-head);
  color: var(--ink-2);
  font-size: 12px;
}

.data-table th {
  font-weight: 500;
  padding: 8px 12px;
  text-align: right;
  white-space: nowrap;
}

.data-table th:first-child,
.data-table td:first-child {
  text-align: left;
  padding-left: 16px;
}

.data-table th:last-child,
.data-table td:last-child {
  padding-right: 16px;
}

.data-table td {
  padding: 9px 12px;
  text-align: right;
  border-top: 1px solid var(--border-soft);
}

.data-table td.col-name {
  white-space: nowrap;
}

.data-table td.col-muted {
  color: var(--ink-2);
}

.net-up { color: var(--up); font-weight: 500; }
.net-down { color: var(--down); font-weight: 500; }

tr.row-click { cursor: pointer; }
tr.row-click:hover { background: var(--table-head); }

th.sort-th {
  cursor: pointer;
  user-select: none;
}

th.sort-th.active {
  color: var(--ink);
}

.sort-icon {
  margin-left: 2px;
  vertical-align: -1px;
}

/* ---------- footer ---------- */

.page-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-3);
  padding-top: 8px;
}

.loading-note {
  text-align: center;
  color: var(--ink-3);
  padding: 30px;
}

/* ---------- generic panel ---------- */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.panel-pad { padding: 16px; }

/* ---------- in-page sub tabs (e.g. 依分點/成交價/當沖 within 依股票查詢) ---------- */

.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
}

.tab-btn {
  height: 44px;
  padding: 0 4px;
  margin-right: 24px;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
  cursor: pointer;
  box-shadow: inset 0 -2px 0 transparent;
}

.tab-btn.active {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
}

/* ---------- search row (dropdown + text filter combos) ---------- */

.search-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
}

.search-row label { font-size: 13px; color: var(--ink-2); font-weight: 500; }

.search-row input,
.search-row select {
  height: 38px;
  box-sizing: border-box;
  border: 1px solid var(--input-border);
  border-radius: 3px;
  padding: 0 10px;
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  background: var(--surface);
}

/* ---------- stat row (個股/分點/價位 統計列) ---------- */

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 0 16px 14px;
  font-size: 13px;
  color: var(--ink-2);
  align-items: center;
}

.stat-row b { color: var(--ink); font-weight: 500; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 500;
}

.badge-up { background: #FBE7E8; color: var(--up); }
.badge-down { background: #E5F1E9; color: var(--down); }

/* ---------- detail layout (chart + table side by side) ---------- */

.detail-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 0 16px 16px;
}

.detail-chart-col { flex: 1.2 1 320px; min-width: 0; }
.detail-table-col { flex: 0.8 1 280px; min-width: 0; }

.panel-table-wrap {
  max-height: 420px;
  overflow-y: auto;
  border: 1px solid var(--border-soft);
  border-radius: 3px;
}

.panel-table-wrap .data-table thead th {
  position: sticky;
  top: 0;
  background: var(--table-head);
  z-index: 1;
}

/* ---------- row fade-in + skeleton loading ---------- */

@keyframes rowFadeIn {
  from { opacity: 0; transform: translateY(2px); }
  to { opacity: 1; transform: translateY(0); }
}

.row-fade-in {
  animation: rowFadeIn 180ms ease-out both;
}

@keyframes skeletonPulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.7; }
}

.skeleton-cell {
  display: inline-block;
  height: 12px;
  border-radius: 2px;
  background: var(--border);
  animation: skeletonPulse 1.1s ease-in-out infinite;
}

@media (max-width: 680px) {
  .shell-tool { padding: 16px 14px 32px; gap: 12px; }
  .query-form { padding: 12px; }
  .summary-cell { flex: 1 1 50%; border-bottom: 1px solid var(--border-soft); }
  .data-table { font-size: 12px; }
}