/* KSE Index Viewer — Web — custom styling on top of PicoCSS dark theme. */

:root {
  --bg:           #0f172a;
  --bg-elev:      #1e293b;
  --bg-elev-2:    #283549;
  --border:       rgba(148, 163, 184, 0.15);
  --text:         #e2e8f0;
  --text-dim:     #94a3b8;
  --text-faint:   #64748b;
  --accent:       #3b82f6;
  --accent-soft:  rgba(59, 130, 246, 0.18);
  --positive:     #4ade80;
  --negative:     #f87171;
  --nav-h:        56px;
  --header-h:     52px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

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

/* ---------- Shell ---------- */

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.app-header h1 {
  font-size: 17px;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 18px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
}
.header-btn:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.header-btn[hidden] { display: none; }

.header-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-size: 22px;
  font-weight: 600;
}
.header-btn.primary:hover {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

.page {
  flex: 1;
  padding: 12px 14px calc(var(--nav-h) + 24px);
  min-height: 0;
}

.page-meta {
  color: var(--text-faint);
  font-size: 11px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.stale-pill {
  display: inline-block;
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 3px;
  margin-right: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.loading {
  color: var(--text-dim);
  padding: 40px 20px;
  text-align: center;
}

.empty-state {
  color: var(--text-faint);
  text-align: center;
  padding: 40px 20px;
  font-size: 14px;
  line-height: 1.6;
}

.error-state {
  padding: 24px 16px;
  color: var(--text-dim);
}
.error-state pre {
  background: var(--bg-elev);
  padding: 12px;
  border-radius: 6px;
  font-size: 11px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--negative);
}

/* ---------- Bottom navigation ---------- */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 720px;
  display: flex;
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  height: var(--nav-h);
  z-index: 20;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--text-faint);
  text-decoration: none;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: color 0.15s;
}
.nav-item:hover { text-decoration: none; color: var(--text); }
.nav-item.active { color: var(--accent); }
.nav-ico { font-size: 18px; line-height: 1; }

/* ---------- Indices ---------- */

.card-list {
  display: grid;
  gap: 8px;
}

.index-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  align-items: baseline;
  column-gap: 12px;
}

.index-card.positive { border-left: 3px solid var(--positive); }
.index-card.negative { border-left: 3px solid var(--negative); }

.index-name { font-size: 14px; font-weight: 700; }
.index-current {
  grid-row: 1;
  grid-column: 2;
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
}
.index-change {
  grid-row: 2;
  grid-column: 1 / 3;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.index-change.positive { color: var(--positive); }
.index-change.negative { color: var(--negative); }

/* ---------- Market ---------- */

.search-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 10px;
  outline: none;
}
.search-input:focus { border-color: var(--accent); }

.market-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.market-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--bg-elev);
  text-decoration: none;
  color: var(--text);
  border-left: 3px solid transparent;
  transition: background 0.1s;
}
.market-row:hover { background: var(--bg-elev-2); text-decoration: none; }
.market-row.positive { border-left-color: var(--positive); }
.market-row.negative { border-left-color: var(--negative); }

.market-left { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.market-symbol { font-weight: 700; font-size: 14px; }
.market-sector { color: var(--text-faint); font-size: 10px; }

.market-right { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.market-price { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 14px; }
.market-change { font-size: 11px; font-weight: 600; font-variant-numeric: tabular-nums; }
.market-change.positive { color: var(--positive); }
.market-change.negative { color: var(--negative); }

/* ---------- Sort bar (shared) ---------- */

.sort-bar {
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 8px 0;
  margin-bottom: 6px;
}
.sort-label {
  color: var(--text-faint);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
/* Use `select.sort-select` for higher specificity than Pico's `input, select, textarea { width:100%; }` */
select.sort-select {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 6px 8px;
  font-size: 12px;
  outline: none;
  margin: 0;
  height: 32px;
  line-height: 1;
}
select.sort-select:focus { border-color: var(--accent); }
button.sort-dir {
  flex: 0 0 36px;
  width: 36px;
  height: 32px;
  margin: 0;
  padding: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  font-size: 11px;
}
button.sort-dir:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

/* ---------- Portfolio ---------- */

.portfolio-summary {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.summary-row { display: flex; justify-content: space-between; align-items: baseline; }
.summary-row.main { padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.summary-label { color: var(--text-dim); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.summary-value { font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.summary-row.main .summary-value { font-size: 18px; }
.summary-value.positive { color: var(--positive); }
.summary-value.negative { color: var(--negative); }
.summary-row.faint .summary-label, .summary-row.faint .summary-value {
  color: var(--text-faint); font-size: 11px; font-weight: 500;
}

.holding-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.holding-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.holding-card.closed { opacity: 0.65; }

.holding-head { display: flex; justify-content: space-between; align-items: baseline; }
.holding-symbol {
  color: var(--text);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
}
.holding-symbol:hover { color: var(--accent); text-decoration: underline; }
.holding-today { font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; }
.holding-today.positive { color: var(--positive); }
.holding-today.negative { color: var(--negative); }

.holding-meta-row, .holding-pnl-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.holding-meta { color: var(--text-dim); }
.holding-pnl-row span.positive { color: var(--positive); }
.holding-pnl-row span.negative { color: var(--negative); }

/* ---------- Add transaction form ---------- */

.add-txn-trigger { padding: 8px 0; }

.add-txn-form {
  background: var(--bg-elev);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.form-cancel {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 4px;
}
.form-cancel:hover { color: var(--negative); background: rgba(239, 68, 68, 0.15); }

.form-row { display: flex; gap: 8px; }
.add-txn-form input, .add-txn-form select {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 14px;
  outline: none;
  min-width: 0;
}
.add-txn-form input:focus, .add-txn-form select:focus { border-color: var(--accent); }
.form-error { color: var(--negative); font-size: 11px; min-height: 14px; }

/* ---------- Buttons ---------- */

.btn-primary {
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: white;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background 0.15s;
}
.btn-primary:hover { background: #2563eb; }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  padding: 10px 16px;
  font-size: 13px;
  cursor: pointer;
  width: 100%;
  margin-top: 8px;
  transition: all 0.15s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  padding: 4px 0;
}
.btn-link:hover { text-decoration: underline; }

/* ---------- Empty config ---------- */

.empty-config {
  text-align: center;
  padding: 40px 20px;
}
.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-config h2 { font-size: 18px; margin: 8px 0; }
.empty-config p { color: var(--text-dim); font-size: 13px; line-height: 1.6; max-width: 320px; margin: 8px auto 16px; }
.empty-config .btn-primary { display: inline-block; width: auto; padding: 10px 24px; text-decoration: none; }

/* ---------- Settings form ---------- */

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.settings-section {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field-label {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.field-hint { color: var(--text-faint); font-size: 11px; margin: 0; }
.settings-form input, .settings-form select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  outline: none;
  width: 100%;
}
.settings-form input:focus, .settings-form select:focus { border-color: var(--accent); }
.help-row { display: flex; align-items: center; gap: 8px; }
.copy-status { color: var(--positive); font-size: 11px; font-weight: 600; }
.settings-form details { color: var(--text-dim); font-size: 11px; }
.settings-form details summary { color: var(--text); font-weight: 600; cursor: pointer; padding: 4px 0; }
.settings-form details ol { padding-left: 18px; line-height: 1.6; margin: 6px 0 0; }
.settings-section.about { text-align: center; padding: 8px; }
.about-text { color: var(--text-faint); font-size: 11px; margin: 0; }

/* ---------- Stock detail ---------- */

.stock-header { margin-bottom: 16px; }
.back-link { color: var(--text-dim); font-size: 12px; }
.stock-symbol { margin: 6px 0 2px; font-size: 22px; font-weight: 700; letter-spacing: 0.4px; }
.stock-name { color: var(--text-dim); font-size: 12px; }
.stock-price-row { display: flex; align-items: baseline; gap: 12px; margin-top: 10px; }
.stock-price { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stock-change { font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stock-change.positive { color: var(--positive); }
.stock-change.negative { color: var(--negative); }
.stock-external { display: inline-block; margin-top: 8px; font-size: 11px; }

.stock-chart {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
  margin-bottom: 16px;
}
.chart-empty {
  color: var(--text-faint);
  text-align: center;
  padding: 100px 20px;
  font-size: 13px;
}

.stock-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
}
.stat-row {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
.stat-row dt { color: var(--text-faint); font-size: 10px; text-transform: uppercase; letter-spacing: 0.4px; margin: 0; }
.stat-row dd { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; margin: 2px 0 0; }

/* ---------- uPlot overrides for dark theme ---------- */

.u-tooltip { background: var(--bg-elev-2) !important; color: var(--text) !important; border: 1px solid var(--border) !important; }

/* ---------- Desktop tweaks ---------- */

@media (min-width: 768px) {
  .app-header { padding: 14px 20px; height: 60px; }
  .app-header h1 { font-size: 19px; }
  .page { padding: 16px 20px calc(var(--nav-h) + 24px); }
  .stock-stats { grid-template-columns: repeat(3, 1fr); }
}