:root {
  --bg:      #fdf8f0;
  --card:    #ffffff;
  --ink:     #2b2b2b;
  --muted:   #6b6b6b;
  --accent:  #b8581a;
  --accent2: #2d6a4f;
  --border:  #e6dfd2;
  --hilite:  #fff3dd;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

header {
  padding: 24px 32px 12px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #fff8e7 0%, var(--bg) 100%);
}
header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  color: var(--accent);
}
header .tag {
  display: inline-block;
  font-size: 11px;
  vertical-align: middle;
  padding: 2px 8px;
  margin-left: 8px;
  background: var(--accent);
  color: white;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
header .sub { margin: 4px 0 12px; color: var(--muted); font-size: 13px; }

.tabs {
  display: flex;
  gap: 4px;
  margin-top: 12px;
}
.tab {
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--bg);
  color: var(--muted);
  padding: 8px 18px;
  border-radius: 8px 8px 0 0;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}
.tab:hover { color: var(--accent); }
.tab.active {
  background: var(--card);
  color: var(--accent);
  border-color: var(--border);
  position: relative;
  z-index: 1;
}
.tab.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--card);
}

main { padding: 24px 32px; max-width: 1200px; margin: 0 auto; }

.pane { display: none; grid-template-columns: 320px 1fr; gap: 24px; }
.pane.active { display: grid; }

.controls {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  height: fit-content;
  position: sticky;
  top: 16px;
}
.controls .row {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
}
.controls label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.controls select, .controls input[type="date"] {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: var(--bg);
  color: var(--ink);
  font-family: inherit;
}
.controls button {
  padding: 10px 14px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}
.controls button:hover { background: #9c4a13; }
.controls button:active { transform: translateY(1px); }
.controls .hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.results { min-height: 200px; }
.placeholder {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 28px;
  margin-bottom: 16px;
}
.card .title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.card h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  color: var(--accent2);
}
.card .meta { font-size: 13px; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 32px;
  margin-top: 16px;
}
.field {
  display: flex;
  flex-direction: column;
}
.field .k {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 2px;
}
.field .v {
  font-size: 16px;
  font-weight: 500;
}
.field .v .sub { font-size: 13px; color: var(--muted); font-weight: 400; }
.field .v .when {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
  font-weight: 400;
}
.anga-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.anga-item {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
}
.anga-item.current {
  background: var(--hilite);
  border-color: #e7c88a;
}

.timings {
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--hilite);
  border-radius: 6px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 20px;
}
.timing { font-size: 14px; }
.timing .label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 2px;
  font-weight: 600;
}
.timing .value { font-variant-numeric: tabular-nums; }

.error {
  background: #fff0f0;
  border: 1px solid #f5b5b5;
  color: #a02020;
  padding: 16px;
  border-radius: 6px;
}

/* ── Rasi chart (South Indian, 4×4 grid) ─────────────────────────── */
.chart-wrap {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.chart-wrap h3 {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.rasi-chart {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows:    repeat(4, 110px);
  gap: 0;
  border: 2px solid var(--accent2);
  background: #fffaf0;
  max-width: 540px;
  margin: 0 auto;
}
.rasi-cell {
  border: 1px solid var(--border);
  padding: 6px 8px;
  position: relative;
  display: flex;
  flex-direction: column;
  font-size: 12px;
  min-height: 0;
}
.rasi-cell.center {
  background: var(--hilite);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  grid-column: 2 / span 2;
  grid-row: 2 / span 2;
  flex-direction: column;
  gap: 4px;
}
.rasi-cell.lagna {
  background: #fff3dd;
  border-color: var(--accent);
  border-width: 2px;
}
.rasi-name {
  font-weight: 600;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.02em;
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.rasi-name .ta { font-size: 13px; color: var(--accent); margin-bottom: 1px; }
.rasi-name .translit { font-size: 9px; text-transform: uppercase; letter-spacing: 0.04em; }
.rasi-house-num {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 10px;
  color: var(--muted);
  background: var(--bg);
  padding: 1px 5px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.rasi-cell.lagna .rasi-house-num {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.rasi-grahas {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
}
.graha {
  font-weight: 600;
  font-size: 13px;
  color: var(--accent2);
  font-variant-numeric: tabular-nums;
}
.graha.retro::after {
  content: '℞';
  font-size: 10px;
  color: var(--accent);
  vertical-align: super;
  margin-left: 1px;
}
.graha.lagna-mark { color: var(--accent); }

.graha-legend {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--bg);
  border-radius: 6px;
  font-size: 12px;
  color: var(--muted);
}
.graha-legend table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
}
.graha-legend th, .graha-legend td {
  padding: 3px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.graha-legend th {
  font-weight: 600;
  color: var(--accent2);
  font-size: 11px;
  text-transform: uppercase;
}
.graha-legend tr:last-child td { border-bottom: none; }

/* ── D9 Navamsa (smaller variant of rasi-chart) ─────────────────── */
.rasi-chart.compact {
  grid-template-rows: repeat(4, 80px);
  max-width: 420px;
}
.rasi-chart.compact .rasi-cell { padding: 5px 6px; font-size: 11px; }
.rasi-chart.compact .rasi-name .ta { font-size: 11px; }

/* ── Dosha cards ─────────────────────────────────────────────────── */
.dosha-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 8px;
}
.dosha-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  background: var(--bg);
}
.dosha-card .dosha-name {
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 4px;
  color: var(--accent2);
}
.dosha-card .dosha-status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}
.dosha-card .dosha-status.present { background: #f5e0d4; color: #a14a14; }
.dosha-card .dosha-status.absent  { background: #d4e8d4; color: #2d6a2d; }
.dosha-card .dosha-detail {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

/* ── Mahadasha timeline ──────────────────────────────────────────── */
.dasha-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.dasha-table th, .dasha-table td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.dasha-table th {
  font-weight: 600;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.dasha-table tr.current {
  background: var(--hilite);
  font-weight: 600;
}
.dasha-table tr.current td:first-child::before {
  content: '▶ ';
  color: var(--accent);
}

/* ── Strength / aspects / houses tables ──────────────────────────── */
.strength-table, .houses-table, .aspects-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.strength-table th, .strength-table td,
.houses-table th, .houses-table td,
.aspects-table th, .aspects-table td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.strength-table th, .houses-table th, .aspects-table th {
  font-weight: 600;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}
.dignity-exalted     { color: #1e7a3a; font-weight: 600; }
.dignity-own         { color: #1e7a3a; font-weight: 600; }
.dignity-friend      { color: #2d6a4f; }
.dignity-neutral     { color: var(--muted); }
.dignity-enemy       { color: #a14a14; }
.dignity-debilitated { color: #a83a3a; font-weight: 600; }
.flag-combust    { color: #a14a14; font-weight: 600; }
.flag-vargottama { color: #1e7a3a; font-weight: 600; }
.flag-retro      { color: var(--accent); }

/* ── Chara karaka + name letter ───────────────────────────────────── */
.karaka-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px 16px;
  font-size: 13px;
}
.karaka-grid .karaka {
  display: flex;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--bg);
  border-radius: 4px;
  border-left: 3px solid var(--accent2);
}
.karaka-grid .karaka .rank-title {
  font-weight: 500;
  color: var(--ink);
}
.karaka-grid .karaka .rank-title small { color: var(--muted); }
.karaka-grid .karaka .planet {
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.name-letter-card {
  background: linear-gradient(135deg, #fff8e7 0%, var(--bg) 100%);
  border: 1px solid var(--border);
  padding: 16px 20px;
  border-radius: 8px;
  text-align: center;
}
.name-letter-primary {
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.name-letter-all {
  font-size: 13px;
  color: var(--muted);
}

/* ── Panchangam — additional sections ────────────────────────────── */
.section {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.section h3 {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.badge {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 12px;
  background: var(--accent2);
  color: white;
  font-weight: 500;
}
.badge.warn { background: var(--accent); }
.badge.note { background: var(--muted); }

details.collapsible {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
}
details.collapsible > summary {
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  color: var(--accent2);
  list-style: none;
  position: relative;
}
details.collapsible > summary::after {
  content: '▾';
  position: absolute;
  right: 14px;
  transition: transform 0.15s;
}
details.collapsible[open] > summary::after { transform: rotate(180deg); }
details.collapsible > .body { padding: 4px 14px 14px; }

.hora-table, .chog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.hora-table th, .hora-table td,
.chog-table th, .chog-table td {
  padding: 4px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.hora-table th, .chog-table th {
  font-weight: 600;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}
.hora-table .night { color: var(--muted); }
.chog-table .auspicious   { color: #1e7a3a; font-weight: 600; }
.chog-table .neutral      { color: var(--muted); }
.chog-table .inauspicious { color: #a83a3a; }

.kv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 18px;
  font-size: 13px;
}
.kv-grid .kv { display: flex; flex-direction: column; }
.kv-grid .kv .k {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.kv-grid .kv .v { font-weight: 500; }

.timings.three { grid-template-columns: repeat(3, 1fr); }
.timings.four  { grid-template-columns: repeat(4, 1fr); }

.raw-table {
  width: 100%;
  font-size: 12px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  border-collapse: collapse;
}
.raw-table td { padding: 3px 8px; }
.raw-table td:first-child { color: var(--muted); }

/* ── Tamil-script rendering ─────────────────────────────────────── */
.ta {
  font-family: 'Noto Sans Tamil', 'Latha', 'Nirmala UI', system-ui, sans-serif;
  font-weight: 600;
  color: var(--accent2);
}
.ta-large { font-size: 1.08em; }
.ta-block {
  font-family: 'Noto Sans Tamil', 'Latha', 'Nirmala UI', system-ui, sans-serif;
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--accent2);
  margin-bottom: 2px;
}
.translit {
  color: var(--muted);
  font-weight: 400;
  font-size: 13px;
}

/* ── Admin pane ─────────────────────────────────────────────────── */
.pane-single { display: none; grid-template-columns: 1fr; }
.pane-single.active { display: grid; }

.admin-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 28px;
  max-width: 900px;
  margin: 0 auto;
}
.admin-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}
.admin-actions button.ghost {
  background: var(--bg);
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}
.admin-actions button.ghost:hover {
  background: var(--hilite);
  border-color: var(--accent);
}

.admin-tab-block {
  margin-bottom: 28px;
}
.admin-tab-block > h3 {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--accent2);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}
.admin-section {
  margin-top: 14px;
}
.admin-section-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.admin-section-row h4 {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.admin-section-row .toggle-all {
  font-size: 11px;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 2px 6px;
}
.admin-section-row .toggle-all:hover { text-decoration: underline; }

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 6px 16px;
  padding: 8px 0;
}
.admin-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.1s;
}
.admin-grid label:hover { background: var(--hilite); }
.admin-grid input[type="checkbox"] {
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

footer {
  padding: 16px 32px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}
footer code {
  background: #ece6d8;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
}

@media (max-width: 800px) {
  main { grid-template-columns: 1fr; }
  .controls { position: static; }
  .grid { grid-template-columns: 1fr; }
  .timings { grid-template-columns: 1fr; }
}