/*
 * The Gurukul hub (NCERT Summaries). Rides the Gurukul tokens (--o-*, green
 * and saffron) from op3.css and the icon-capsule rails. Prefix: gk- (v2).
 */

.gk-arch .o4-3col { padding-top: 22px; }
.gk-main { min-width: 0; align-self: start; }

/* ---------- Hero ---------- */
.gk-hero2 { padding: 44px 0 30px; }
.gk-eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 800; letter-spacing: 1.6px; text-transform: uppercase; color: #ffd9b8; background: rgba(232, 120, 23, .18); border: 1px solid rgba(232, 120, 23, .5); border-radius: 20px; padding: 5px 12px; margin: 0 0 12px; }
.gk-eyebrow--ink { color: var(--o-primary-2); background: rgba(31, 122, 71, .08); border-color: rgba(31, 122, 71, .3); }
.gk-eyebrow--gold { color: #9a4f0a; background: #fff3e6; border-color: #f2c69a; }
.gk-hero2 h1 { max-width: 900px; }
.gk-hero2 p { max-width: 740px; }
.gk-stats { display: flex; gap: 10px; flex-wrap: wrap; margin: 4px 0 18px; }
.gk-stat { display: grid; gap: 1px; min-width: 140px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .22); border-radius: 14px; padding: 10px 14px; color: #fff; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.gk-stat b { font-family: var(--font-head, Georgia, serif); font-size: 24px; line-height: 1.1; color: #ffd9b8; }
.gk-stat small { font-size: 12px; font-weight: 700; opacity: .85; }
.gk-stat--me b { color: #9ff0c0; }
.gk-classnav2 a b { font-size: 11px; opacity: .75; margin-left: 4px; }
.gk-classnav2 a.is-filter { background: var(--o-accent); border-color: var(--o-accent); color: #fff; }

/* ---------- Sections ---------- */
.gk-sec-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 6px 14px; margin: 0 0 8px; }
.gk-sec-head .gk-eyebrow { grid-column: 1 / -1; justify-self: start; margin: 0; }
.gk-sec-head h2 { margin: 0; font-size: 23px; min-width: 0; color: var(--o-primary); }
.gk-sec-note { grid-column: 1 / -1; font-size: 12.5px; color: #6b7a6f; font-weight: 600; }
.gk-lead { margin: 0 0 14px; font-size: 14.5px; line-height: 1.6; color: #55635a; }
.gk-sec2 { margin: 30px 0 12px; }
.gk-count { font-size: 12.5px; font-weight: 800; color: var(--o-primary); background: var(--o-surface); border: 1px solid var(--o-line); border-radius: 12px; padding: 3px 10px; }
.gk-empty { text-align: center; padding: 28px 20px; color: #6b7a6f; font-weight: 600; border: 1.5px dashed var(--o-line); border-radius: 16px; }
.gk-empty[hidden] { display: none; }

/* ---------- Tonight ---------- */
.gk-tonight { background: var(--o-surface); border: 1px solid var(--o-line); border-radius: 20px; padding: 20px 22px; box-shadow: 0 18px 44px rgba(30, 42, 35, .08); position: relative; overflow: hidden; }
.gk-tonight:before { content: ""; position: absolute; inset: 0 0 auto 0; height: 5px; background: linear-gradient(90deg, var(--o-primary), var(--o-accent)); }
.gk-pick { display: grid; gap: 6px; margin: 0 0 12px; }
.gk-pick-row { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 10px; align-items: center; }
.gk-pick-row > span { font-size: 11px; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase; color: var(--o-primary); }
.gk-pick-row > div { display: flex; gap: 6px; flex-wrap: wrap; }
.gk-pick-row button { border: 1px solid var(--o-line); background: var(--o-bg); color: var(--o-ink); font: inherit; font-size: 13px; font-weight: 700; border-radius: 14px; padding: 6px 12px; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.gk-pick-row button:hover { border-color: var(--o-accent); }
.gk-pick-row button.is-on { background: var(--o-primary); border-color: var(--o-primary); color: #fff; }
.gk-tonight-out { background: var(--o-bg); border: 1px solid var(--o-line); border-radius: 14px; padding: 12px 16px; }
.gk-tonight-line { margin: 0 0 8px; font-family: var(--font-head, Georgia, serif); font-size: 17px; color: var(--o-ink); }
.gk-tonight-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; counter-reset: tn; }
.gk-tonight-list li { counter-increment: tn; }
.gk-tonight-list a { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 10px; align-items: center; background: var(--o-surface); border: 1px solid var(--o-line); border-radius: 12px; padding: 8px 12px; color: var(--o-ink); font-size: 14px; font-weight: 700; transition: border-color .2s, transform .2s; }
.gk-tonight-list a:before { content: counter(tn); width: 24px; height: 24px; display: grid; place-items: center; background: var(--o-accent); color: #fff; border-radius: 50%; font-size: 12px; }
.gk-tonight-list a:hover { border-color: var(--o-accent); transform: translateY(-2px); text-decoration: none; }
.gk-tonight-list a small { color: #6b7a6f; font-weight: 700; font-size: 12px; white-space: nowrap; }
.gk-tonight-done { margin: 0; color: #14532d; font-weight: 700; }
.gk-tonight-done[hidden] { display: none; }

/* ---------- Shelf ---------- */
.gk-group { margin: 0 0 18px; }
.gk-group.is-hidden { display: none; }
.gk-group-head { display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; align-items: center; gap: 10px; margin: 0 0 8px; }
.gk-group-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--o-primary-2); }
.gk-group-dot[data-subject*="math"] { background: #5b2eff; }
.gk-group-dot[data-subject*="social"], .gk-group-dot[data-subject*="history"] { background: #b85c79; }
.gk-group-dot[data-subject*="english"] { background: #2a6f97; }
.gk-group-dot[data-subject*="hindi"] { background: #e87817; }
.gk-group-dot[data-subject*="computer"] { background: #0e7490; }
.gk-group-dot[data-subject*="physics"] { background: #1d4b8f; }
.gk-group-head h3 { margin: 0; font-size: 17px; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.gk-group-head h3 a { color: var(--o-ink); }
.gk-group-head h3 small { font-size: 12px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: #6b7a6f; }
.gk-group-head h3 small a { color: #6b7a6f; }
.gk-group-prog { font-size: 12px; font-weight: 800; color: var(--o-primary); background: var(--o-surface); border: 1px solid var(--o-line); border-radius: 10px; padding: 3px 9px; font-variant-numeric: tabular-nums; }
.gk-group-prog.is-all { background: #eafff4; color: #0f5132; border-color: #9ad7b4; }
.gk-shelf { background: var(--o-surface); border: 1px solid var(--o-line); border-radius: 14px; overflow: hidden; }
.gk-ch { display: grid; grid-template-columns: 34px 52px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--o-line); transition: background .2s; }
.gk-ch:last-child { border-bottom: 0; }
.gk-ch:hover { background: rgba(31, 122, 71, .05); }
.gk-ch.is-hidden { display: none; }
.gk-ch.is-done { background: #f2fbf5; }
.gk-tick { width: 26px; height: 26px; border: 2px solid var(--o-line); border-radius: 8px; background: #fff; cursor: pointer; display: grid; place-items: center; padding: 0; transition: background .2s, border-color .2s; }
.gk-tick:hover { border-color: var(--o-accent); }
.gk-tick span { display: none; color: #fff; font-weight: 900; font-size: 13px; line-height: 1; }
.gk-tick span:before { content: "✓"; }
.gk-ch.is-done .gk-tick { background: var(--o-primary-2); border-color: var(--o-primary-2); }
.gk-ch.is-done .gk-tick span { display: block; }
.gk-ch-num { display: grid; justify-items: center; line-height: 1; width: 52px; height: 44px; align-content: center; background: var(--o-bg); border: 1px solid var(--o-line); border-radius: 10px; color: var(--o-primary); font-weight: 900; font-size: 18px; }
.gk-ch-num small { font-size: 9px; letter-spacing: 1px; text-transform: uppercase; color: #6b7a6f; font-weight: 800; }
.gk-ch-num:hover { text-decoration: none; }
.gk-ch-body { display: grid; gap: 3px; min-width: 0; color: var(--o-ink); }
.gk-ch-body:hover { text-decoration: none; }
.gk-ch-body b { font-size: 15.5px; line-height: 1.35; }
.gk-ch-body:hover b { color: var(--o-primary-2); }
.gk-ch.is-done .gk-ch-body b { color: #4f6b58; }
.gk-ch-meta { display: flex; gap: 6px 12px; flex-wrap: wrap; }
.gk-ch-meta i { font-style: normal; font-size: 12px; font-weight: 700; color: #6b7a6f; }
.gk-ch-meta .gk-m-rev { color: #9a4f0a; }
.gk-ch-meta .gk-m-quiz { color: var(--o-primary-2); }
.gk-ch-quiz { border: 1px solid var(--o-line); background: #fff; border-radius: 10px; padding: 6px 11px; font-size: 12.5px; font-weight: 800; color: var(--o-primary); white-space: nowrap; transition: background .2s, color .2s; }
.gk-ch-quiz:hover { background: var(--o-primary); color: #fff; text-decoration: none; }

/* ---------- Doors ---------- */
.gk-doors { margin: 32px 0 0; }
.gk-door-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.gk-door { display: grid; gap: 6px; background: var(--o-surface); border: 1px solid var(--o-line); border-radius: 16px; padding: 14px 16px; }
.gk-door > b { font-family: var(--font-head, Georgia, serif); font-size: 18px; color: var(--o-ink); }
.gk-door a { border: 1px solid var(--o-line); background: var(--o-bg); border-radius: 11px; padding: 6px 11px; font-size: 13px; font-weight: 700; color: var(--o-ink); transition: border-color .2s, color .2s; }
.gk-door a:hover { border-color: var(--o-accent); color: var(--o-primary); text-decoration: none; }

/* ---------- Rules ---------- */
.gk-rules { margin: 32px 0 0; background: var(--o-grad, linear-gradient(120deg, #0f3d22, #14532d 60%, #1f7a47)); color: #dff2e6; border-radius: 22px; padding: 26px 26px 22px; }
.gk-rules .gk-sec-head h2 { color: #fff; }
.gk-rule-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.gk-rule-grid > div { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16); border-radius: 16px; padding: 14px 16px; display: grid; gap: 4px; }
.gk-rule-grid span { font-size: 22px; }
.gk-rule-grid b { color: #fff; font-size: 15px; }
.gk-rule-grid p { margin: 0; font-size: 13.5px; line-height: 1.6; opacity: .9; }

/* ---------- Rails ---------- */
.gk-rail-body { padding: 12px 14px; display: grid; gap: 6px; }
.gk-rail-row { display: flex; justify-content: space-between; font-size: 12.5px; font-weight: 700; color: var(--o-body); }
.gk-rail-row b { color: var(--o-primary); font-variant-numeric: tabular-nums; }
.gk-rail-bar { height: 7px; border-radius: 4px; background: var(--o-bg); border: 1px solid var(--o-line); overflow: hidden; }
.gk-rail-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--o-primary-2), var(--o-accent)); transition: width .4s cubic-bezier(.16, 1, .3, 1); }
.gk-rail-body p { margin: 4px 0 0; font-size: 12.5px; line-height: 1.55; color: var(--o-body); }
.gk-rail-body a { font-size: 12.5px; font-weight: 800; color: var(--o-primary-2); }
.gk-rail-honest { background: #fff6ea; border-color: #f2c69a; }
.gk-rail-honest p { margin: 0; padding: 12px 14px; font-size: 12.5px; line-height: 1.6; color: #5a3a14; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) { .gk-door-grid, .gk-rule-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 760px) {
	.gk-hero2 { padding: 36px 0 24px; }
	.gk-stat { min-width: calc(50% - 5px); }
	.gk-tonight { padding: 16px; border-radius: 16px; }
	.gk-pick-row { grid-template-columns: 1fr; gap: 6px; }
	.gk-ch { grid-template-columns: 30px 44px minmax(0, 1fr); }
	.gk-ch-quiz { grid-column: 3; justify-self: start; }
	.gk-door-grid, .gk-rule-grid { grid-template-columns: 1fr; }
	.gk-rules { padding: 20px 16px; }
}
@media (prefers-reduced-motion: reduce) { .gk-tonight-list a, .gk-rail-bar i { transition: none; } }