/* ==========================================================================
   Colour themes + theme switcher + hero scroll cue
   Themes are set on <html data-theme="midnight|dusk|ivory"> by assets/js/theme.js.
   Midnight (default) is the base in site.css.
   ========================================================================== */

/* Dusk: deeper violet night with warmer gold */
[data-theme="dusk"] {
  --ink: #0D0919;
  --ink-2: #15102A;
  --navy-elev: #1C1538;
  --card: #201A45;
  --indigo: #5B4BC4;
  --aurora: #2A2166;
  --gold: #E3B25C;
  --gold-bright: #F5CF84;
  --lavender: #C5BDE3;
  --smoke: #A39CC4;
  --ivory: #FBF8F2;
  --purple: #7E6CFF;
  --violet: #A597FF;
  --hair-gold: rgba(227,178,92,0.22);
  --line: rgba(227,178,92,0.16);
  --panel-gold: linear-gradient(160deg, rgba(126,108,255,0.24), rgba(32,26,69,0.92) 55%, rgba(21,16,42,0.96));
  --card-bg: linear-gradient(160deg, rgba(126,108,255,0.10), rgba(32,26,69,0.85));
}
[data-theme="dusk"] body { background: var(--ink); }

/* Ivory: light paper theme with deep navy text and warm gold accents */
[data-theme="ivory"] {
  color-scheme: light;
  --ink: #F6F2EA;
  --ink-2: #EEE8DC;
  --navy-elev: #FBF9F4;
  --card: #FFFFFF;
  --indigo: #6D5DF5;
  --aurora: #E7E3F7;
  --gold: #A9761A;
  --gold-bright: #C28A24;
  --cream: #2A2110;
  --saffron: #C8722B;
  --purple: #6D5DF5;
  --violet: #6D5DF5;
  --cosmic-pink: #C2417A;
  --lavender: #434A63;
  --aurora-mint: #2B8A88;
  --ivory: #1A1D2E;
  --smoke: #5E647D;
  --success: #2E8B5F;
  --panel: rgba(26,29,46,0.03);
  --panel-2: rgba(26,29,46,0.06);
  --hair: rgba(26,29,46,0.10);
  --hair-gold: rgba(169,118,26,0.30);
  --line: rgba(169,118,26,0.22);
  --line-soft: rgba(26,29,46,0.09);
  --card-bg: linear-gradient(160deg, rgba(109,93,245,0.07), #FFFFFF);
  --panel-gold: linear-gradient(160deg, #FFFFFF, #FBF6EA);
  --shadow: 0 24px 50px -22px rgba(40,34,80,0.22), 0 0 0 1px rgba(26,29,46,0.04) inset;
  --glow-gold: 0 14px 30px -10px rgba(169,118,26,0.35);
}
[data-theme="ivory"] body::before {
  background:
    radial-gradient(55% 45% at 8% 0%, rgba(217,164,65,0.16), transparent 70%),
    radial-gradient(60% 50% at 100% 100%, rgba(109,93,245,0.10), transparent 70%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='900' viewBox='0 0 900 900'%3E%3Cg fill='none' stroke='%23A9761A' stroke-opacity='.12' stroke-width='1'%3E%3Ccircle cx='450' cy='450' r='430'/%3E%3Ccircle cx='450' cy='450' r='340'/%3E%3Ccircle cx='450' cy='450' r='230'/%3E%3C/g%3E%3C/svg%3E") center -180px / 900px 900px no-repeat;
}
[data-theme="ivory"] body::after { opacity: .15; }
/* developer API band: soft lavender-to-cream instead of the gold sweep */
[data-theme="ivory"] .dev-cta {
  background: linear-gradient(120deg, #FFFFFF 0%, #F1ECFD 55%, #E6DEFB 100%);
  border-color: rgba(109,93,245,0.22);
  box-shadow: 0 18px 40px -26px rgba(64,52,140,0.35);
}
[data-theme="ivory"] .dev-cta::after {
  border-color: rgba(109,93,245,0.20);
  box-shadow: 0 0 0 36px rgba(109,93,245,0.04), 0 0 0 72px rgba(109,93,245,0.025);
}
/* alternating sections: warm cream-gold tint instead of the dark indigo band (which read as grey on ivory) */
[data-theme="ivory"] section.block.alt {
  background: linear-gradient(180deg, transparent, rgba(201,162,80,0.13) 18%, rgba(201,162,80,0.13) 82%, transparent);
}
[data-theme="ivory"] .navbar { background: rgba(255,255,255,0.78); border-color: rgba(26,29,46,0.08); box-shadow: 0 12px 30px -18px rgba(40,34,80,0.25); }
[data-theme="ivory"] .navbar.scrolled { background: rgba(255,255,255,0.95); border-color: var(--hair-gold); }
[data-theme="ivory"] .nav-more-menu, [data-theme="ivory"] .mobile-menu { background: rgba(255,255,255,0.97); }
[data-theme="ivory"] .footer { background: rgba(255,255,255,0.5); }
[data-theme="ivory"] .final-inner { background: radial-gradient(70% 90% at 50% 0%, rgba(217,164,65,0.18), transparent 70%), linear-gradient(160deg, #FFFFFF, #F6EFE0); }
[data-theme="ivory"] .map-card { background: linear-gradient(135deg, #F3EEFF, #FBF6EA); }
[data-theme="ivory"] .bubble.ai { background: #F4F1EA; }
[data-theme="ivory"] .form-input, [data-theme="ivory"] .form-select, [data-theme="ivory"] .form-textarea,
[data-theme="ivory"] .form-input:focus, [data-theme="ivory"] .form-select:focus, [data-theme="ivory"] .form-textarea:focus { background: #FFFFFF; }
[data-theme="ivory"] .btn-ghost, [data-theme="ivory"] .btn.ghost { background: rgba(255,255,255,0.7); color: var(--ivory); }
[data-theme="ivory"] .store-badge { background: #FFFFFF; }
[data-theme="ivory"] .code { background: #1B1F33; }
[data-theme="ivory"] .seg { background: rgba(255,255,255,0.7); }
[data-theme="ivory"] .hero-trust span, [data-theme="ivory"] .cat-tags span, [data-theme="ivory"] .astro-tags span { background: #FFFFFF; }

/* theme switcher button — sits in the navbar on every page */
.theme-toggle {
  display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0;
  min-height: 40px; padding: 8px 14px; border-radius: 999px; cursor: pointer; white-space: nowrap;
  background: var(--card); color: var(--ivory); border: 1px solid var(--hair-gold);
  font: 700 13px/1 var(--font-body); letter-spacing: .02em;
  transition: transform .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.theme-toggle:hover { transform: translateY(-1px); border-color: var(--gold); color: var(--gold); }
.theme-toggle svg { color: var(--gold); flex-shrink: 0; }
.theme-toggle-label { min-width: 52px; text-align: left; }
.navbar .theme-toggle:not(.theme-toggle--icon) { width: 40px; height: 40px; padding: 0; justify-content: center; border-radius: 50%; }
/* icon-only variant: shown in the navbar on small screens, where the nav links are hidden */
.theme-toggle--icon {
  display: none; width: 40px; height: 40px; padding: 0; justify-content: center;
  border-radius: 50%; background: rgba(255,255,255,0.05); border-color: var(--hair);
}
.theme-toggle--icon .theme-toggle-label { display: none; }
.theme-toggle--icon:hover { transform: none; }
@media (max-width: 980px) {
  .theme-toggle--icon { display: inline-flex; margin-left: auto; }
  .navbar .nav-toggle { margin-left: 0; }
}
@media (max-width: 640px) {
  .navbar .theme-toggle:not(.theme-toggle--icon) { width: 40px; height: 40px; padding: 0; justify-content: center; }
  .navbar .theme-toggle:not(.theme-toggle--icon) .theme-toggle-label { display: none; }
}
/* legal / contact pages: switcher grouped with the "Back to home" link */
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

/* hero scroll cue */
.scroll-cue {
  display: flex; flex-direction: column; align-items: center; gap: 10px; margin: 56px auto 0;
  min-height: 44px; padding: 8px 14px; color: var(--smoke);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase;
}
.scroll-cue:hover { color: var(--gold); }
.scroll-cue-ring {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--hair-gold); background: var(--panel);
}
.scroll-cue svg { animation: cueBob 2.4s ease-in-out infinite; color: var(--gold); }
@keyframes cueBob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }
@media (prefers-reduced-motion: reduce) { .scroll-cue svg { animation: none; } }

/* light theme: dashboard cells and chips use white surfaces */
[data-theme="ivory"] .kp-cell, [data-theme="ivory"] .chip, [data-theme="ivory"] .kp-transit { background: #FFFFFF; }
[data-theme="ivory"] .kp-transit { background: #F0FAF7; }
[data-theme="ivory"] .kp-bar, [data-theme="ivory"] .av-track { background: rgba(26,29,46,0.08); }

/* sticky scroll-down button: fixed bottom-centre, hidden once the hero is scrolled past */
.scroll-cue {
  position: fixed; left: 50%; bottom: 18px; margin: 0; z-index: 290;
  width: max-content; max-width: calc(100vw - 24px);
  transform: translate(-50%, 0); transition: opacity .3s ease, visibility .3s ease;
  background: var(--card); border: 1px solid var(--hair-gold); border-radius: 999px;
  padding: 6px 16px 6px 6px; flex-direction: row; gap: 10px; box-shadow: 0 12px 30px -10px rgba(0,0,0,0.45);
}
.scroll-cue-ring { width: 32px; height: 32px; }
.scroll-cue svg { width: 14px; height: 14px; }
.scroll-cue.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }

/* Keep ambient glows and stars page-wide; the astrology artwork lives only in the hero. */
body::after {
  background-image:
    radial-gradient(55% 45% at 8% 0%, rgba(217,164,65,0.08), transparent 70%),
    radial-gradient(60% 50% at 100% 100%, rgba(109,93,245,0.20), transparent 70%),
    radial-gradient(1.5px 1.5px at 20% 30%, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 60% 70%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 50% 40%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.5px 1.5px at 80% 12%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 33% 82%, rgba(255,255,255,0.6), transparent);
  background-size: 100% 100%, 100% 100%, 260px 260px, 260px 260px, 260px 260px, 260px 260px, 260px 260px;
  opacity: 0.5;
}
[data-theme="ivory"] body::after { opacity: 0.35; }

/* ==========================================================================
   Whole-site language selector
   A compact native select is placed in every navbar by assets/js/indian-languages.js.
   Native options keep the control keyboard- and screen-reader-accessible while
   the globe/code shell stays small enough for the full desktop navigation.
   ========================================================================== */
.sr-only {
  position: absolute !important; width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important; overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important;
}
.language-picker {
  position: relative; width: 72px; height: 40px; min-width: 72px; flex: 0 0 72px;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--hair-gold); border-radius: 999px;
  background: var(--card); color: var(--ivory); cursor: pointer;
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.language-picker:hover { transform: translateY(-1px); border-color: var(--gold); color: var(--gold-bright); }
.language-picker:focus-within { outline: 2px solid var(--gold-bright); outline-offset: 3px; }
.language-picker__globe { color: var(--gold); flex: 0 0 auto; }
.language-picker__code {
  min-width: 17px; color: currentColor; text-align: center;
  font: 700 11px/1 var(--font-mono); letter-spacing: .02em; text-transform: uppercase;
}
.language-picker__chevron { color: var(--smoke); flex: 0 0 auto; transition: transform .2s var(--ease); }
.language-picker:hover .language-picker__chevron { transform: translateY(1px); }
.language-picker__select {
  position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0;
  border: 0; cursor: pointer; appearance: none; -webkit-appearance: none;
}
.language-picker__select:focus { outline: 0; }
.language-picker.is-loading { cursor: progress; opacity: .72; }
.language-picker.is-loading .language-picker__globe { animation: languageSpin 1.2s linear infinite; }
@keyframes languageSpin { to { transform: rotate(360deg); } }
.language-picker--mobile { display: none; }

/* Keep Google's functional translation control available to the script without
   adding its unstyled widget to the layout. */
.google-translate-mount {
  position: fixed; width: 1px; height: 1px; left: -10000px; bottom: 0;
  overflow: hidden; opacity: .01; pointer-events: none;
}

.language-status {
  position: fixed; right: 20px; bottom: 20px; z-index: 500;
  max-width: min(360px, calc(100vw - 40px)); padding: 11px 15px;
  border: 1px solid var(--hair-gold); border-radius: 12px;
  background: var(--card); background: color-mix(in srgb, var(--card) 94%, transparent); color: var(--ivory);
  box-shadow: var(--shadow); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  font: 600 13px/1.45 var(--font-body);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .2s var(--ease), visibility .2s, transform .2s var(--ease);
}
.language-status.is-visible { opacity: 1; visibility: visible; transform: none; }
.language-status[data-state="loading"] { color: var(--gold-bright); }
.language-status[data-state="error"] { border-color: rgba(217,85,85,.48); color: #f0a4a4; }

/* Google may reserve space for its own banner; our selector is the language UI,
   so keep the website's fixed navigation aligned to the viewport. */
body { top: 0 !important; }
.goog-te-banner-frame.skiptranslate, iframe.goog-te-banner-frame { display: none !important; }

[data-theme="ivory"] .language-picker { background: rgba(255,255,255,.82); }
[data-theme="ivory"] .language-status { background: rgba(255,255,255,.96); }

@media (max-width: 980px) {
  .language-picker--mobile { display: inline-flex; margin-left: auto; }
  .navbar .language-picker--mobile + .theme-toggle--icon { margin-left: 0; }
}

/* Inner pages retain logo, language, theme and home controls at every size. */
@media (max-width: 640px) {
  .navbar .nav-actions { gap: 5px; }
  .navbar .nav-actions .back-link {
    width: 40px; min-width: 40px; height: 40px; padding: 0; justify-content: center;
    overflow: hidden; font-size: 0;
  }
  .navbar .nav-actions .back-link svg { width: 16px; height: 16px; }
  .language-status { right: 12px; bottom: 72px; max-width: calc(100vw - 24px); }
}
@media (max-width: 420px) {
  .navbar { padding-left: 14px; padding-right: 8px; gap: 5px; }
  .navbar .nav-logo-img, .navbar .nav-logo img { max-width: 150px; height: auto !important; }
  .language-picker { width: 58px; min-width: 58px; flex-basis: 58px; gap: 4px; }
  .language-picker__chevron { display: none; }
  .theme-toggle--icon, .navbar .theme-toggle:not(.theme-toggle--icon),
  .navbar .nav-actions .back-link { width: 36px; min-width: 36px; height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  .language-picker.is-loading .language-picker__globe { animation: none; }
}

/* ---------- shared scroll-to-top button ---------- */
.scroll-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 310;
  width: 48px; height: 48px; padding: 0; border-radius: 50%;
  display: grid; place-items: center;
  color: #1a1206; background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  border: 1px solid rgba(255,255,255,.24); box-shadow: 0 14px 34px -10px rgba(217,164,65,.55);
  cursor: pointer; opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(12px) scale(.9);
  transition: opacity .25s var(--ease), visibility .25s, transform .25s var(--ease), box-shadow .2s var(--ease);
}
.scroll-top.is-visible {
  opacity: 1; visibility: visible; pointer-events: auto; transform: none;
}
/* Only one scroll control is shown at a time: once the right-side up button
   appears, the homepage's bottom-centre down cue gets out of the way. */
.scroll-top-is-visible .scroll-cue {
  opacity: 0; visibility: hidden; pointer-events: none;
}
.scroll-top:hover {
  transform: translateY(-3px); box-shadow: 0 18px 38px -8px rgba(217,164,65,.68);
}
.scroll-top:active { transform: translateY(-1px) scale(.96); }
.scroll-top svg { display: block; }
[data-theme="ivory"] .scroll-top { border-color: rgba(26,29,46,.12); }

/* Translation feedback sits above the corner button when both are visible. */
.language-status { bottom: 82px; }

@media (max-width: 640px) {
  .scroll-top {
    right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    width: 44px; height: 44px;
  }
  .language-status { bottom: calc(68px + env(safe-area-inset-bottom, 0px)); }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-top { transition: none; }
}

/* Ivory: platform metrics bar — warm cream-gold panel (same tint as alternating sections) */
[data-theme="ivory"] .metrics { background: linear-gradient(135deg, #FBF5E6, #F3E6C8); border-color: var(--hair-gold); box-shadow: 0 18px 40px -28px rgba(40,34,80,0.28); }
[data-theme="ivory"] .metric { border-right-color: rgba(26,29,46,0.08); }
[data-theme="ivory"] .metric .n { color: var(--ivory); }
[data-theme="ivory"] .metric .l { color: #5A5F78; }