:root {
  --bg0: #05060f;
  --bg1: #0b0e22;
  --gold: #e8c66a;
  --gold-dim: #b39245;
  --violet: #a78bfa;
  --text: #f2ecdd;
  --muted: #a49dbe;
  --line: rgba(232, 198, 106, .16);
  --panel: rgba(19, 17, 38, .72);
  --panel-solid: #14122a;
  --cell: rgba(10, 9, 24, .55);
  --danger: #ff8b9a;
  --serif: Georgia, "Times New Roman", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  background:
    radial-gradient(1100px 700px at 85% -10%, rgba(88, 60, 160, .28), transparent 60%),
    radial-gradient(900px 600px at 8% 12%, rgba(160, 120, 40, .12), transparent 55%),
    radial-gradient(1400px 900px at 50% 115%, rgba(40, 30, 90, .35), transparent 60%),
    linear-gradient(180deg, var(--bg1), var(--bg0) 70%);
  background-attachment: fixed;
}

#starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.topbar, .layout { position: relative; z-index: 1; }

/* ---------- top bar ---------- */
.topbar {
  max-width: 1360px;
  margin: auto;
  padding: 30px 24px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 16px; }
.brand-om {
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  font-size: 30px;
  color: var(--gold);
  border: 1px solid var(--line);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(232, 198, 106, .18), rgba(20, 16, 40, .6));
  box-shadow: 0 0 24px rgba(232, 198, 106, .22), inset 0 0 14px rgba(232, 198, 106, .12);
  text-shadow: 0 0 12px rgba(232, 198, 106, .8);
}
.topbar h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: .5px;
  background: linear-gradient(120deg, #f6e3ae, var(--gold) 55%, #c89b3c);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.topbar h1 em { font-style: normal; color: var(--violet); -webkit-text-fill-color: var(--violet); }
.topbar p { margin: 4px 0 0; color: var(--muted); font-size: 13px; letter-spacing: .3px; }
.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.spec-badge {
  font-size: 11px;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--line);
  background: rgba(232, 198, 106, .07);
  border-radius: 99px;
  padding: 5px 11px;
}

/* ---------- layout & panels ---------- */
.layout {
  max-width: 1360px;
  margin: auto;
  padding: 12px 24px 60px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform .25s ease, border-color .25s ease;
}
.panel:hover { border-color: rgba(232, 198, 106, .3); }
.input-panel { grid-column: span 4; grid-row: span 3; align-self: start; position: sticky; top: 18px; }
.main-col { grid-column: span 8; display: flex; flex-direction: column; gap: 18px; }
.main-col .panel { width: 100%; }
.dasha-panel, .ai-panel, .details-panel { grid-column: span 12; }

.panel-title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .5px;
  color: var(--gold);
  margin: 0 0 16px;
}
.title-note { font-size: 12px; color: var(--muted); font-family: var(--sans); font-weight: 400; margin-left: 8px; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.section-head .panel-title { margin-bottom: 10px; }

.empty {
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
  border: 1px dashed rgba(164, 157, 190, .3);
  border-radius: 14px;
  min-height: 90px;
  font-size: 14px;
}
.empty-hint { color: var(--muted); font-size: 14px; }

/* ---------- form ---------- */
.field-group { margin-bottom: 16px; }
.group-label {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--gold-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-group > label { margin-bottom: 12px; }
.field-group .grid2 { margin-top: 10px; }
label { font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(164, 157, 190, .25);
  background: rgba(8, 8, 20, .65);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
  font-family: var(--sans);
  font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
  color-scheme: dark;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 198, 106, .12);
}
textarea { resize: vertical; line-height: 1.6; }
.row { display: flex; gap: 8px; }
.row input { flex: 1; }
.hint { font-size: 12px; color: var(--muted); line-height: 1.6; }

.primary, .ghost-btn, .tab, .cs-btn, .icon-btn {
  border: 0; border-radius: 10px; padding: 10px 16px;
  cursor: pointer; font-weight: 650; font-size: 14px; font-family: var(--sans);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.primary {
  background: linear-gradient(135deg, #f0d089, var(--gold) 45%, #b98a2e);
  color: #221a05;
  letter-spacing: .5px;
  box-shadow: 0 6px 22px rgba(232, 198, 106, .25);
}
.primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(232, 198, 106, .38); }
.primary:disabled { opacity: .4; cursor: not-allowed; }
.ghost-btn {
  background: rgba(167, 139, 250, .1);
  color: #d9ceff;
  border: 1px solid rgba(167, 139, 250, .3);
}
.ghost-btn:hover { background: rgba(167, 139, 250, .2); }
.full { width: 100%; margin-top: 6px; }
.icon-btn { background: transparent; font-size: 24px; padding: 0 6px; color: var(--muted); }

.geo-results { display: grid; gap: 6px; margin: 8px 0; }
.geo-item {
  background: rgba(167, 139, 250, .08);
  border: 1px solid rgba(167, 139, 250, .22);
  border-radius: 9px;
  padding: 8px 11px;
  font-size: 12px;
  cursor: pointer;
  color: #d9ceff;
}
.geo-item:hover { border-color: var(--violet); }

/* ---------- summary strip ---------- */
.summary-panel { padding: 18px 22px; }
.summary-panel:not(.empty) { display: block; border-color: rgba(232, 198, 106, .3); }
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.sum-item { min-width: 0; }
.sum-item .k { font-size: 11px; letter-spacing: 1.5px; color: var(--gold-dim); text-transform: uppercase; margin-bottom: 4px; }
.sum-item .v { font-family: var(--serif); font-size: 17px; color: var(--text); }
.sum-item .v small { font-family: var(--sans); font-size: 12px; color: var(--muted); }
.sum-item .v .gold { color: var(--gold); }

/* ---------- tabs & chart style switch ---------- */
.tabs { display: flex; gap: 8px; margin: 4px 0 16px; }
.tab { background: rgba(20, 18, 42, .8); color: var(--muted); border: 1px solid transparent; }
.tab.active {
  background: linear-gradient(135deg, rgba(232, 198, 106, .18), rgba(232, 198, 106, .08));
  color: var(--gold);
  border-color: var(--line);
}
.chart-style-switch { display: flex; gap: 4px; background: rgba(8, 8, 20, .6); border: 1px solid var(--line); border-radius: 10px; padding: 3px; }
.cs-btn { background: transparent; color: var(--muted); padding: 6px 12px; font-size: 12px; }
.cs-btn.active { background: rgba(232, 198, 106, .16); color: var(--gold); }

.chart-wrap { min-height: 430px; animation: fadein .5s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- north indian chart (SVG) ---------- */
.north-chart { width: 100%; max-width: 560px; margin: auto; display: block; }
.nc-line { stroke: var(--gold-dim); stroke-width: 1.2; fill: none; }
.nc-outer { stroke: var(--gold); stroke-width: 1.6; }
.nc-housenum { font-size: 11px; fill: var(--muted); font-family: var(--sans); }
.nc-housenum.asc { fill: var(--gold); font-weight: 700; }
.nc-planet { font-size: 14px; fill: var(--text); font-family: var(--sans); }
.nc-planet .g { fill: var(--violet); }
.nc-planet.retro { fill: var(--danger); }
.nc-asc-deg { font-size: 10px; fill: var(--gold); }
.nc-title { font-size: 13px; fill: var(--gold); font-family: var(--serif); letter-spacing: 1px; }

/* ---------- south indian chart ---------- */
.south-chart {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 98px);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--gold-dim);
  border-radius: 14px;
  overflow: hidden;
  max-width: 620px;
  margin: auto;
}
.sign-cell { background: var(--cell); padding: 8px; font-size: 12px; }
.sign-cell .sign-name { color: var(--muted); font-size: 11px; letter-spacing: .5px; }
.sign-cell.asc { box-shadow: inset 0 0 0 2px var(--gold); background: rgba(232, 198, 106, .06); }
.sign-cell .planet {
  display: inline-block;
  margin: 4px 4px 0 0;
  padding: 3px 6px;
  border-radius: 6px;
  background: rgba(167, 139, 250, .14);
  border: 1px solid rgba(167, 139, 250, .25);
  color: #e4dcff;
}
.sign-cell .planet.retro { border-color: rgba(255, 139, 154, .4); color: var(--danger); }
.center-cell {
  grid-column: 2/4; grid-row: 2/4;
  background: radial-gradient(circle at 50% 40%, rgba(232, 198, 106, .1), rgba(10, 9, 24, .7));
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; padding: 12px;
}
.center-cell strong { font-family: var(--serif); font-size: 20px; color: var(--gold); letter-spacing: 1px; }
.center-cell span { color: var(--muted); font-size: 12px; margin-top: 6px; }

/* ---------- planet table ---------- */
.planet-table { overflow-x: auto; }
.planet-table table { width: 100%; border-collapse: collapse; font-size: 14px; }
.planet-table th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gold-dim);
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}
.planet-table td { padding: 9px 10px; border-bottom: 1px solid rgba(164, 157, 190, .1); }
.planet-table tr:hover td { background: rgba(232, 198, 106, .04); }
.planet-table .glyph { color: var(--violet); font-size: 16px; margin-right: 6px; }
.planet-table .deg { font-family: var(--serif); color: var(--gold); }
.planet-table .retro { color: var(--danger); font-weight: 700; }
.planet-table .house-n { color: var(--muted); }

/* ---------- yogas ---------- */
.yoga-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.yoga-card {
  background: linear-gradient(150deg, rgba(232, 198, 106, .1), rgba(20, 18, 42, .7));
  border: 1px solid rgba(232, 198, 106, .3);
  border-radius: 14px;
  padding: 14px;
}
.yoga-card b { font-family: var(--serif); color: var(--gold); font-size: 15px; display: block; }
.yoga-card .zh { font-size: 12px; color: var(--text); margin: 4px 0 8px; }
.yoga-card small { font-size: 11px; color: var(--muted); line-height: 1.5; display: block; }
.no-yoga { color: var(--muted); font-size: 13px; }

/* ---------- dasha ---------- */
.current-dasha { padding: 16px; margin-bottom: 16px; }
.current-dasha:not(.empty) {
  display: block;
  background: linear-gradient(135deg, rgba(232, 198, 106, .12), rgba(167, 139, 250, .08));
  border: 1px solid rgba(232, 198, 106, .35);
  border-radius: 14px;
  font-size: 15px;
  line-height: 1.7;
}
.current-dasha .big { font-family: var(--serif); font-size: 20px; color: var(--gold); }
.current-dasha small { color: var(--muted); }

.dasha-bar:empty { display: none; }
.dasha-bar-inner { display: flex; height: 46px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: rgba(8, 8, 20, .6); }
.dasha-seg {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 650;
  color: rgba(255, 255, 255, .85);
  cursor: pointer;
  border-right: 1px solid rgba(5, 6, 15, .7);
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  transition: filter .2s;
}
.dasha-seg:hover { filter: brightness(1.3); }
.dasha-seg.selected { outline: 2px solid var(--gold); outline-offset: -2px; z-index: 1; }
.dasha-seg .now-dot {
  position: absolute; top: 3px; left: 50%; transform: translateX(-50%);
  width: 7px; height: 7px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 8px 2px rgba(255, 255, 255, .9);
}
.dasha-bar-caption { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 5px; }

.dasha-detail { margin-top: 14px; }
.subperiods { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 7px; }
.subperiod {
  font-size: 12px;
  color: #d9d2ee;
  background: rgba(20, 18, 42, .8);
  border: 1px solid rgba(164, 157, 190, .15);
  border-radius: 9px;
  padding: 8px 10px;
}
.subperiod.current { border-color: var(--gold); color: var(--gold); box-shadow: 0 0 12px rgba(232, 198, 106, .15); }
.dasha-detail-title { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.dasha-detail-title b { color: var(--text); }

/* ---------- ai ---------- */
.answer {
  margin-top: 14px;
  min-height: 200px;
  padding: 20px;
  border-radius: 14px;
  line-height: 1.85;
  font-size: 14.5px;
}
.answer:not(.empty) { display: block; background: rgba(10, 9, 24, .6); border: 1px solid var(--line); }
.answer h1, .answer h2, .answer h3 { font-family: var(--serif); color: var(--gold); margin: 18px 0 8px; font-size: 17px; }
.answer strong { color: var(--gold); }
.answer ul, .answer ol { padding-left: 22px; margin: 8px 0; }
.answer li { margin: 4px 0; }
.answer p { margin: 8px 0; }
.answer .typing { white-space: pre-wrap; color: var(--muted); }
.ai-loading { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.ai-loading .spin {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(232, 198, 106, .25); border-top-color: var(--gold);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- details / misc ---------- */
details summary { cursor: pointer; color: var(--muted); font-size: 13px; }
pre {
  white-space: pre-wrap; word-break: break-word;
  color: #cdc5e8;
  font-size: 12px;
  max-height: 500px; overflow: auto;
  background: rgba(8, 8, 20, .6);
  border-radius: 10px;
  padding: 14px;
}

.toast {
  position: fixed;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  background: rgba(40, 16, 24, .92);
  border: 1px solid rgba(255, 139, 154, .5);
  color: #ffd9de;
  border-radius: 12px;
  padding: 12px 20px;
  font-size: 14px;
  box-shadow: var(--shadow);
  animation: fadein .25s ease;
  max-width: 90vw;
}

dialog { border: 0; background: transparent; padding: 0; }
dialog::backdrop { background: rgba(3, 4, 10, .7); backdrop-filter: blur(3px); }
.settings-card {
  width: min(560px, 92vw);
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  color: var(--text);
  box-shadow: var(--shadow);
}
.settings-card label { margin: 10px 0; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .input-panel { grid-column: span 12; grid-row: auto; position: static; }
  .main-col { grid-column: span 12; }
  .grid2 { grid-template-columns: 1fr 1fr; }
  .topbar { padding-top: 20px; }
  .layout { padding-left: 14px; padding-right: 14px; }
  .panel { padding: 16px; }
  .south-chart { grid-template-rows: repeat(4, 80px); }
  .topbar h1 { font-size: 24px; }
}
@media (max-width: 560px) {
  .grid2 { grid-template-columns: 1fr; }
  .dasha-seg span.lbl { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .chart-wrap, .toast { animation: none; }
  .panel, .primary, .dasha-seg { transition: none; }
}