/* Tamizh Kani — shared styles. Light by default, dark via prefers-color-scheme or the toggle. */
:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --surface-2: #f4f1ea;
  --border: #e6e1d6;
  --text: #1c1b19;
  --muted: #6b675f;
  --gold: #b7860b;
  --gold-strong: #8f6700;
  --gold-soft: #fbf1d6;
  --on-gold: #1c1b19;
  --bull: #138a4c;
  --bull-soft: #e3f4ea;
  --bear: #c43c3c;
  --bear-soft: #fbe7e7;
  --info: #2e5fb8;
  --info-soft: #e6eefb;
  --shadow: 0 1px 2px rgba(28, 27, 25, .05), 0 6px 24px rgba(28, 27, 25, .06);
  --radius: 14px;
  --header-h: 64px;
  --font: 'Poppins', 'Noto Sans Tamil', 'Noto Sans Devanagari', system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111110; --surface: #1a1a18; --surface-2: #222220; --border: #33322e;
    --text: #f1efe9; --muted: #a29e94; --gold: #f2c14e; --gold-strong: #ffd772; --gold-soft: #2d2615; --on-gold: #1c1b19;
    --bull: #3ccf7f; --bull-soft: #15291e; --bear: #ff6b6b; --bear-soft: #331b1b; --info: #7aa7ff; --info-soft: #18223a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 28px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111110; --surface: #1a1a18; --surface-2: #222220; --border: #33322e;
  --text: #f1efe9; --muted: #a29e94; --gold: #f2c14e; --gold-strong: #ffd772; --gold-soft: #2d2615; --on-gold: #1c1b19;
  --bull: #3ccf7f; --bull-soft: #15291e; --bear: #ff6b6b; --bear-soft: #331b1b; --info: #7aa7ff; --info-soft: #18223a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 28px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.65; font-size: 16px; }
img, svg { max-width: 100%; }
a { color: var(--gold-strong); }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
button, input, select { font: inherit; color: inherit; }

/* Language switching: bilingual markup carries both, the inactive one is hidden. */
html[data-lang="en"] [lang="ta"]:not(html), html[data-lang="en"] [lang="hi"]:not(html),
html[data-lang="ta"] [lang="en"]:not(html), html[data-lang="ta"] [lang="hi"]:not(html),
html[data-lang="hi"] [lang="ta"]:not(html), html[data-lang="hi"] [lang="en"]:not(html):not([data-hi-fallback]) { display: none !important; }
html[data-lang="hi"] body { line-height: 1.75; }
html[data-lang="ta"] body { line-height: 1.8; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; gap: 12px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 800; letter-spacing: -.01em; white-space: nowrap; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, #f2c14e, #d99a06); display: grid; place-items: center; color: #1c1b19; font-weight: 900; font-size: 1.05rem; }
.brand small { display: block; font-size: .68rem; font-weight: 500; color: var(--muted); letter-spacing: .08em; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 500; font-size: .92rem; padding: 8px 12px; border-radius: 999px; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.nav a[aria-current="page"] { color: var(--text); background: var(--gold-soft); }
.nav-group { position: relative; }
.nav-group-btn { border: 0; background: transparent; cursor: pointer; color: var(--muted); font-weight: 500; font-size: .92rem; padding: 8px 12px; border-radius: 999px; display: inline-flex; align-items: center; gap: 4px; }
.nav-group-btn:hover { color: var(--text); background: var(--surface-2); }
.nav-group.active > .nav-group-btn { color: var(--text); background: var(--gold-soft); }
.nav-group .caret { width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); margin: -4px 2px 0 6px; transition: transform .15s; }
.nav-group.open .caret { transform: rotate(225deg); margin-top: 3px; }
.nav-menu { display: none; position: absolute; top: calc(100% + 6px); left: 0; min-width: 190px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); padding: 6px; z-index: 60; }
.nav-menu a { display: block; border-radius: 10px; }
.nav-group.open .nav-menu { display: block; }
@media (hover: hover) and (min-width: 861px) { .nav-group:hover .nav-menu, .nav-group:focus-within .nav-menu { display: block; } .nav-group:hover .caret { transform: rotate(225deg); margin-top: 3px; } .nav-menu::before { content: ''; position: absolute; left: 0; right: 0; top: -8px; height: 8px; } }
html.has-subnav { --header-h: 112px; }
.subnav { border-top: 1px solid var(--border); }
.subnav .wrap { display: flex; gap: 4px; height: 46px; align-items: center; overflow-x: auto; scrollbar-width: none; }
.subnav .wrap::-webkit-scrollbar { display: none; }
.subnav a { flex: none; text-decoration: none; color: var(--muted); font-size: .88rem; font-weight: 500; padding: 6px 14px; border-radius: 999px; white-space: nowrap; }
.subnav a:hover { color: var(--text); background: var(--surface-2); }
.subnav a[aria-current="page"] { color: var(--text); background: var(--gold-soft); font-weight: 600; }
.tools { display: flex; gap: 6px; align-items: center; }
.icon-btn { border: 1px solid var(--border); background: var(--surface); border-radius: 999px; height: 36px; min-width: 36px; padding: 0 10px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-size: .85rem; font-weight: 600; }
.icon-btn:hover { border-color: var(--gold); }
.lang-btn { padding: 0 3px; gap: 0; cursor: default; }
.lang-btn button { border: 0; background: transparent; cursor: pointer; font: 600 .82rem var(--font); color: var(--muted); min-width: 28px; height: 28px; border-radius: 999px; padding: 0 6px; }
.lang-btn button:hover { color: var(--text); }
html[data-lang="en"] .lang-btn .l-en, html[data-lang="ta"] .lang-btn .l-ta, html[data-lang="hi"] .lang-btn .l-hi { background: var(--gold-soft); color: var(--gold-strong); }
.menu-btn { display: none; }
@media (max-width: 860px) {
  .menu-btn { display: inline-flex; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--surface); border-bottom: 1px solid var(--border); padding: 10px 16px 16px; box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
  .nav-group-btn { width: 100%; justify-content: space-between; padding: 12px; font-size: .92rem; }
  .nav-menu { position: static; display: block; box-shadow: none; border: 0; padding: 0 0 4px 14px; min-width: 0; background: transparent; }
  .nav-group .caret { display: none; }
  .subnav .wrap { height: 44px; }
  html.has-subnav { --header-h: 110px; }
  .tools { margin-left: auto; }
}

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 80px; padding: 36px 0 48px; color: var(--muted); font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 20px 40px; justify-content: space-between; }
.site-footer .wrap > * { min-width: 0; max-width: 100%; }
.site-footer .links-row { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.disclaimer { font-size: .8rem; max-width: 640px; }

/* Building blocks */
.eyebrow { display: inline-block; font-size: .76rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-strong); margin-bottom: 10px; }
html[data-lang="ta"] .eyebrow { letter-spacing: .02em; text-transform: none; }
.page-head { padding: 48px 0 24px; }
.page-head h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -.02em; }
.page-head p { color: var(--muted); max-width: 680px; font-size: 1.05rem; }
.section { padding: 40px 0; }
.section h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 800; letter-spacing: -.01em; }
.lead { color: var(--muted); max-width: 640px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
a.card { text-decoration: none; color: inherit; display: block; transition: transform .15s, border-color .15s; }
a.card:hover { transform: translateY(-3px); border-color: var(--gold); }
.card h3 { font-size: 1.1rem; font-weight: 700; }
.card p { color: var(--muted); font-size: .93rem; margin: 0; }
.card .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--gold-soft); color: var(--gold-strong); margin-bottom: 14px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 1px solid transparent; cursor: pointer; font-size: .95rem; }
.btn-primary { background: linear-gradient(135deg, #f2c14e, #d99a06); color: var(--on-gold); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--gold); }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: .75rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.pill.bull { background: var(--bull-soft); color: var(--bull); }
.pill.bear { background: var(--bear-soft); color: var(--bear); }
.pill.info { background: var(--info-soft); color: var(--info); }
.pill.soon { background: var(--gold-soft); color: var(--gold-strong); }
.up { color: var(--bull); }
.down { color: var(--bear); }
.muted { color: var(--muted); }
.note { background: var(--gold-soft); border-radius: 12px; padding: 14px 16px; font-size: .9rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Candle diagrams */
.diagram { background: var(--surface-2); border-radius: 12px; display: grid; place-items: center; padding: 12px; }
.diagram svg { width: 100%; height: auto; max-height: 180px; }
.c-bull { fill: var(--bull); stroke: var(--bull); }
.c-bear { fill: var(--bear); stroke: var(--bear); }
.c-wick { stroke: var(--muted); stroke-width: 2; }
.c-line { stroke: var(--gold); stroke-width: 2.5; fill: none; }
.c-line2 { stroke: var(--info); stroke-width: 2.5; fill: none; }
.c-zone { fill: var(--gold); opacity: .18; }
.c-mark { fill: none; stroke: var(--gold-strong); stroke-width: 2; stroke-dasharray: 5 4; }

@media print {
  .site-header, .site-footer, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
}

/* Small phones: keep logo, name and all three header buttons on one line. */
@media (max-width: 480px) {
  .site-header .wrap { gap: 8px; }
  .brand small { display: none; }
  .tools { gap: 4px; }
  .icon-btn { height: 34px; min-width: 34px; padding: 0 8px; font-size: .8rem; }
}
@media (max-width: 350px) {
  .brand > span:last-child { font-size: .95rem; }
  .brand-mark { width: 30px; height: 30px; }
  .site-header .wrap { padding: 0 12px; gap: 6px; }
  .lang-btn { padding: 0 2px; }
  .lang-btn button { min-width: 24px; padding: 0 4px; }
}