/* Vedic Kundli Calculator - Stylesheet */
/* Mobile-first, no external fonts/CDNs */

:root {
  /* Warm saffron and gold on parchment */
  --primary: #c2410c;
  --primary-dark: #9a3412;
  --accent: #b7791f;
  --bg: #faf5ec;
  --surface: #fffdf8;
  --bg-secondary: #f6eee0;
  --text: #2b1d14;
  --text-secondary: #7a6655;
  --border: #e8dcc6;
  --error: #b91c1c;
  --success: #15803d;
  --highlight: #fdeccc;
  --highlight-text: #5c2b06;
  --focus-ring: rgba(194, 65, 12, 0.18);
  --shadow: 0 1px 2px rgba(60, 35, 10, 0.06), 0 8px 24px rgba(60, 35, 10, 0.07);
  --hero-bg: radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.18) 0 1px, transparent 2px),
             radial-gradient(circle at 70% 35%, rgba(255, 255, 255, 0.14) 0 1px, transparent 2px),
             radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.12) 0 1px, transparent 2px),
             linear-gradient(120deg, #6b1d0e 0%, #a8340d 45%, #d97706 100%);
  --hero-size: 140px 140px, 190px 190px, 230px 230px, 100% 100%;
  --on-primary: #ffffff;
  --hero-text: #fff7ea;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Noto Serif Tamil", "Tamil Sangam MN", "Nirmala UI", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Night sky: deep indigo with amber accents */
    --primary: #f59e0b;
    --primary-dark: #d97706;
    --accent: #fbbf24;
    --bg: #0e0c1d;
    --surface: #17142c;
    --bg-secondary: #211d3d;
    --text: #f4eee4;
    --text-secondary: #a99fc4;
    --border: #2f2a52;
    --error: #f87171;
    --highlight: #fde7b0;
    --highlight-text: #3b2104;
    --focus-ring: rgba(245, 158, 11, 0.25);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.35);
    --hero-bg: radial-gradient(circle at 12% 25%, rgba(255, 255, 255, 0.5) 0 1px, transparent 2px),
               radial-gradient(circle at 33% 70%, rgba(255, 255, 255, 0.35) 0 1px, transparent 2px),
               radial-gradient(circle at 58% 20%, rgba(255, 255, 255, 0.4) 0 1px, transparent 2px),
               radial-gradient(circle at 82% 60%, rgba(255, 255, 255, 0.3) 0 1px, transparent 2px),
               linear-gradient(120deg, #120f2b 0%, #241d5c 55%, #3b1f5e 100%);
    --hero-size: 140px 140px, 190px 190px, 230px 230px, 170px 170px, 100% 100%;
    --on-primary: #1f1300;
    --hero-text: #fde9c4;
  }
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, "Noto Sans Tamil", "Tamil Sangam MN", "Nirmala UI", Latha, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* Header */
.hero {
  background: var(--hero-bg);
  background-size: var(--hero-size);
  color: var(--hero-text);
  padding: 32px 16px 72px;
}

.hero-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

.hero-emblem {
  flex: none;
  width: 64px;
  height: 64px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  opacity: 0.9;
}

.hero h1 {
  font-size: 2rem;
  line-height: 1.2;
}

.hero p {
  opacity: 0.85;
  font-size: 0.95rem;
  margin-top: 4px;
}

/* Language switch */
.hero-text {
  flex: 1;
  min-width: 0;
}

.language-switch {
  flex: none;
  align-self: flex-start;
  display: flex;
  padding: 3px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.22);
}

.language-switch button {
  padding: 5px 12px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--hero-text);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.language-switch button[aria-pressed="true"] {
  background: var(--hero-text);
  color: var(--primary-dark);
}

.language-switch button:focus-visible {
  outline: 2px solid var(--hero-text);
  outline-offset: 2px;
}

/* Tamil script has no letter case, and extra spacing splits its letter clusters */
:lang(ta) label,
:lang(ta) .key-fact-label,
:lang(ta) .chart-table th {
  text-transform: none;
  letter-spacing: normal;
}

/* Tamil glyphs need a little more size than Latin small caps to stay legible */
:lang(ta) label,
:lang(ta) .chart-table th {
  font-size: 0.82rem;
}

#app {
  max-width: 1040px;
  margin: -48px auto 0;
  padding: 0 16px 48px;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.card h2 {
  font-size: 1.3rem;
  margin-bottom: 18px;
  color: var(--text);
}

.card h2::after {
  content: '';
  display: block;
  width: 36px;
  height: 3px;
  margin-top: 6px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.input-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 24px;
  align-items: start;
}

@media (min-width: 860px) {
  .input-grid {
    grid-template-columns: 2fr 1fr;
  }
}

/* Settings Panel */
.settings-row {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.setting-item label {
  color: var(--text-secondary);
}

.settings-hint {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Birth Form */
.form-group {
  margin-bottom: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 14px;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

input[type="text"],
input[type="date"],
input[type="time"],
input[type="number"],
select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
  color-scheme: light dark;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text);
  cursor: pointer;
}

.checkbox-label input {
  width: auto;
  accent-color: var(--primary);
}

/* Location Autocomplete */
#location-wrapper {
  position: relative;
}

.location-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-top: 6px;
  max-height: 260px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: var(--shadow);
}

.location-item {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
}

.location-item:hover,
.location-item.active {
  background: var(--bg-secondary);
  color: var(--primary);
}

.location-item:last-child {
  border-bottom: none;
}

.centroid-badge {
  background: var(--highlight);
  color: var(--highlight-text);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.utc-offset {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.form-error {
  color: var(--error);
  font-size: 0.85rem;
  margin-top: 6px;
}

.hidden {
  display: none !important;
}

/* Buttons */
.btn {
  padding: 11px 22px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background-color 0.2s, border-color 0.2s;
}

.btn-primary {
  width: 100%;
  padding: 13px 22px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--on-primary);
  box-shadow: 0 4px 14px var(--focus-ring);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--focus-ring);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--focus-ring);
}

.btn:focus-visible,
.tab-btn:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Results */
.results-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

/* Only shown in the printed/PDF output */
.print-summary {
  display: none;
}

.key-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

@media (min-width: 640px) {
  .key-facts {
    grid-template-columns: repeat(4, 1fr);
  }
}

.key-fact {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent);
}

.key-fact-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.key-fact-value {
  display: block;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
}

/* Tab Navigation */
.tab-container {
  display: flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: var(--bg-secondary);
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-btn {
  flex: none;
  padding: 8px 16px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s, background-color 0.2s;
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  background: var(--surface);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.tab-content h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.tab-content h4 {
  font-size: 1rem;
  margin: 20px 0 4px;
}

.tab-content p {
  margin-bottom: 4px;
}

.tab-content p strong {
  color: var(--text-secondary);
  font-weight: 600;
}

/* Chart Table */
.chart-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 12px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.chart-table th,
.chart-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.chart-table tr:last-child > * {
  border-bottom: none;
}

.chart-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.chart-table tbody tr:hover {
  background: var(--bg-secondary);
}

.chart-table tr.current-period,
.chart-table tr.current-period:hover {
  background: var(--highlight);
  color: var(--highlight-text);
  font-weight: 600;
}

/* Wide tables scroll inside the panel instead of widening the page */
.tab-content {
  overflow-x: auto;
}

/* South Indian Chart */
.si-chart {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  aspect-ratio: 1;
  width: 100%;
  max-width: 480px;
  margin: 16px auto 20px;
  border: 3px double var(--accent);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface);
}

.si-cell {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-content: center;
  justify-content: center;
  gap: 2px 6px;
  padding: 16px 4px 4px;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  line-height: 1.3;
  min-width: 0;
}

.si-cell-lagna {
  background: var(--highlight);
  color: var(--highlight-text);
}

/* Traditional diagonal stroke across the Lagna's corner */
.si-cell-lagna::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 28px;
  background: linear-gradient(to top right, transparent calc(50% - 1px), var(--primary-dark) 50%, transparent calc(50% + 1px));
}

.si-sign {
  position: absolute;
  top: 2px;
  right: 5px;
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.si-cell-lagna .si-sign {
  color: var(--highlight-text);
  opacity: 0.7;
}

.si-planet {
  font-weight: 600;
  white-space: nowrap;
}

.si-lagna {
  color: var(--primary-dark);
}

.si-centre {
  grid-row: 2 / 4;
  grid-column: 2 / 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px;
  text-align: center;
  border: 1px solid var(--border);
  background: radial-gradient(circle, var(--bg-secondary) 0%, var(--surface) 75%);
}

.si-centre strong {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--primary);
}

.si-centre span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Print Styles */
@media print {
  @page {
    size: A4;
    margin: 14mm;
  }

  /* Always print the light theme, whatever the screen uses */
  :root {
    --primary: #9a3412;
    --primary-dark: #7c2d12;
    --accent: #b7791f;
    --bg: #ffffff;
    --surface: #ffffff;
    --bg-secondary: #f6eee0;
    --text: #000000;
    --text-secondary: #5c4a3a;
    --border: #d9cbb2;
    --highlight: #fdeccc;
    --highlight-text: #5c2b06;
  }

  body {
    background: white;
    color: black;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  #settings,
  #form-section,
  .tab-container,
  .results-header,
  .key-facts,
  .language-switch,
  .hero p,
  .hero-emblem {
    display: none !important;
  }

  .hero {
    background: none;
    color: var(--primary);
    padding: 0 0 8px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  #app {
    max-width: none;
    margin: 0;
    padding: 0;
  }

  .card {
    border: none;
    box-shadow: none;
    padding: 0;
  }

  #results {
    display: block !important;
  }

  .print-summary {
    display: block;
    margin-bottom: 12px;
  }

  .print-summary h2 {
    font-size: 1.1rem;
    margin-bottom: 6px;
  }

  .print-summary dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 2px 16px;
    font-size: 0.9rem;
  }

  .print-summary dt {
    font-weight: 600;
  }

  .tab-content {
    overflow: visible;
  }

  .tab-content > div {
    display: block !important;
    padding: 0;
    margin-bottom: 16px;
  }

  .tab-content > div + div {
    break-before: page;
  }

  .si-chart,
  .chart-table tr {
    break-inside: avoid;
  }

  /* Compact enough that each section fits on one A4 page */
  .si-chart {
    max-width: 320px;
    margin: 12px 0 16px;
  }

  .chart-table {
    font-size: 0.85rem;
    border-radius: 0;
  }

  .chart-table th,
  .chart-table td {
    padding: 4px 8px;
  }
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .hero {
    padding: 24px 16px 72px;
  }

  .hero-emblem {
    display: none;
  }

  .hero-inner {
    flex-wrap: wrap;
    gap: 12px;
  }

  .language-switch {
    order: -1;
    margin-left: auto;
  }

  .hero-text {
    flex-basis: 100%;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .card {
    padding: 18px;
    border-radius: 14px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}