/* Fonts load via <link rel="stylesheet" href="assets/fonts/fonts.css"> in index.html (a CSS @import here would be render-blocking). */

/* ==========================================================================
   BSA Learning Hub — style.css
   Colours match bsassociatesca.com (navy #08224c, green #51c93c)
   ========================================================================== */

:root{
  --navy:#08224c;
  --navy-2:#0d2f63;
  --navy-3:#123a78;
  --green:#51c93c;
  --green-dark:#3ea82c;
  --green-soft:#eaf9e6;
  --ink:#10203a;
  --muted:#5b6b84;
  --line:#e2e8f2;
  --bg:#f6f8fc;
  --card:#ffffff;
  --card-2:#fbfcfe;
  --shadow:0 1px 2px rgba(8,34,76,.06),0 8px 24px rgba(8,34,76,.06);
  --shadow-lg:0 12px 40px rgba(8,34,76,.14);
  --radius:14px;
  --radius-sm:9px;
  --maxw:1180px;
  --font:'Mukta','Noto Sans Devanagari',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --warn:#8a5a00;
  --warn-bg:#fff6e0;
  --flag:#7a2233;
  --flag-bg:#fdeef1;
}

html[data-theme="dark"]{
  --navy:#081a38;
  --navy-2:#0b2450;
  --navy-3:#123a78;
  --ink:#e9eef7;
  --muted:#9fb0c9;
  --line:#22304a;
  --bg:#0b1526;
  --card:#111f38;
  --card-2:#0e1b31;
  --green-soft:#16301a;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 28px rgba(0,0,0,.35);
  --shadow-lg:0 14px 44px rgba(0,0,0,.5);
  --warn:#ffd479;
  --warn-bg:#3a2c0c;
  --flag:#ff9db0;
  --flag-bg:#3a1620;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);
  line-height:1.6;-webkit-font-smoothing:antialiased;font-size:16px;
}
a{color:var(--navy);text-decoration:none}
html[data-theme="dark"] a{color:#9fc6ff}
a:hover{text-decoration:underline}
img{max-width:100%}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--green);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 18px}
.skip{position:absolute;left:-999px;top:0;background:var(--green);color:#04210a;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ---------------- header ---------------- */
.topbar{background:var(--navy);color:#eaf0fb;font-size:.82rem}
.topbar .wrap{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:6px 18px}
.topbar a{color:#cfe0ff}
header.site{position:sticky;top:0;z-index:40;background:var(--card);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
header.site .wrap{display:flex;align-items:center;gap:16px;padding:12px 18px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand img{width:44px;height:44px;border-radius:10px;background:#fff;padding:3px;box-shadow:var(--shadow)}
.brand .t{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand .t b{font-size:1.12rem;font-weight:700;color:var(--navy);white-space:nowrap}
html[data-theme="dark"] .brand .t b{color:#eaf0fb}
.brand .t span{font-size:.76rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
nav.main{display:flex;gap:4px;margin-left:auto;align-items:center}
nav.main a{padding:8px 12px;border-radius:9px;font-weight:700;color:var(--ink);font-size:.95rem}
nav.main a:hover{background:var(--card-2);text-decoration:none}
nav.main a.active{background:var(--green-soft);color:var(--green-dark)}
html[data-theme="dark"] nav.main a.active{color:#8ef07c}
.hbtn{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:9px;
  padding:8px 11px;font-weight:700;font-size:.9rem;display:inline-flex;align-items:center;gap:6px}
.hbtn:hover{background:var(--card-2)}
.hbtn.lang{background:var(--navy);border-color:var(--navy);color:#fff}
.hbtn.lang:hover{background:var(--navy-2)}

/* search bar in header */
.hsearch{display:flex;align-items:center;gap:8px;background:var(--card-2);border:1px solid var(--line);
  border-radius:10px;padding:6px 10px;flex:1;max-width:360px;min-width:120px}
.hsearch input{border:0;background:transparent;color:var(--ink);font-size:.95rem;width:100%;outline:none;font-family:inherit}

/* ---------------- hero ---------------- */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 55%,#0a3b7d 100%);color:#eef4ff;
  padding:52px 0 44px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(81,201,60,.30),transparent 62%)}
.hero .wrap{position:relative;z-index:1}
.hero h1{margin:0 0 10px;font-size:clamp(1.7rem,4vw,2.7rem);line-height:1.18;font-weight:700;color:#fff}
.hero p.lead{margin:0 auto 22px;max-width:760px;color:#c9d8f5;font-size:1.02rem}
.hero .kicker{display:inline-block;background:rgba(81,201,60,.18);border:1px solid rgba(81,201,60,.5);
  color:#bdf5ae;font-weight:700;font-size:.8rem;padding:4px 12px;border-radius:999px;margin-bottom:14px;letter-spacing:.02em}
.bigsearch{display:flex;gap:10px;max-width:720px;margin:0 auto;background:#fff;border-radius:12px;padding:8px;
  box-shadow:var(--shadow-lg)}
html[data-theme="dark"] .bigsearch{background:#0e1b31}
.bigsearch input{flex:1;border:0;background:transparent;font-size:1.05rem;padding:10px 12px;color:var(--ink);
  outline:none;font-family:inherit;min-width:0}
.bigsearch button{background:var(--green);color:#04210a;border:0;border-radius:9px;padding:12px 22px;font-weight:700;font-size:1rem}
.bigsearch button:hover{background:var(--green-dark);color:#fff}
.hero .quick{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap;justify-content:center;color:#c9d8f5;font-size:.9rem}
.hero .quick a{color:#dce7ff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  padding:5px 12px;border-radius:999px}
.hero .quick a:hover{background:rgba(255,255,255,.16);text-decoration:none}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:640px;margin:26px auto 0}
.stats .s{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:12px;text-align:center}
.stats .s b{display:block;font-size:1.5rem;color:#fff}
.stats .s span{font-size:.82rem;color:#c9d8f5}

/* ---------------- sections ---------------- */
main{display:block;padding:26px 0 60px;min-height:40vh}
.sec-title{display:flex;align-items:center;gap:12px;margin:8px 0 18px}
.sec-title h2{margin:0;font-size:1.3rem}
.sec-title .line{flex:1;height:1px;background:var(--line)}
.crumb{font-size:.88rem;color:var(--muted);margin:0 0 14px;display:flex;gap:6px;flex-wrap:wrap}
.crumb a{color:var(--muted)}

/* cards */
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:18px;transition:transform .12s ease,box-shadow .12s ease}
.card.hov:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.card h3{margin:6px 0 6px;font-size:1.06rem;line-height:1.35}
.card p{margin:0;color:var(--muted);font-size:.92rem}
.cat-ico{width:44px;height:44px;border-radius:11px;background:var(--green-soft);color:var(--green-dark);
  display:grid;place-items:center;font-size:1.35rem}
html[data-theme="dark"] .cat-ico{color:#8ef07c}

/* doc list row */
.dl{display:flex;flex-direction:column;gap:12px}
.doc-row{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.doc-row .meta{flex:1;min-width:0}
.doc-row h3{margin:0 0 4px;font-size:1.05rem}
.doc-row .sub{color:var(--muted);font-size:.86rem;display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.doc-row .acts{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.doc-cover{width:66px;height:88px;border-radius:8px;background:linear-gradient(150deg,var(--navy),var(--navy-3));
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:.72rem;text-align:center;padding:6px;
  flex:0 0 auto;box-shadow:var(--shadow)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:7px;border-radius:9px;padding:9px 14px;font-weight:700;
  font-size:.9rem;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.btn:hover{background:var(--card-2);text-decoration:none}
.btn.primary{background:var(--green);border-color:var(--green);color:#04210a}
.btn.primary:hover{background:var(--green-dark);color:#fff}
.btn.navy{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.navy:hover{background:var(--navy-2)}
.btn.sm{padding:6px 10px;font-size:.82rem}
.btn.xs{padding:6px 11px;font-size:.78rem;border-radius:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* badges + flags */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.74rem;font-weight:700;padding:3px 9px;
  border-radius:999px;border:1px solid transparent;white-space:nowrap}
.badge.ne{background:var(--green-soft);color:var(--green-dark);border-color:#bfe9b4}
html[data-theme="dark"] .badge.ne{color:#8ef07c}
.badge.un{background:#eef2ff;color:#3346a8;border-color:#cdd6ff}
html[data-theme="dark"] .badge.un{background:#182446;color:#aab8ff}
.badge.tp{background:#f3f0ff;color:#6b3fb8;border-color:#ddd2ff}
html[data-theme="dark"] .badge.tp{background:#231b40;color:#c9b6ff}
.badge.soon{background:#fff3e0;color:#a05a00;border-color:#ffdfb0}
html[data-theme="dark"] .badge.soon{background:#33260c;color:#ffc266}
.flag{display:inline-flex;gap:5px;align-items:center;font-size:.74rem;font-weight:700;padding:3px 9px;
  border-radius:7px;background:var(--flag-bg);color:var(--flag);border:1px solid transparent}
.flag.warn{background:var(--warn-bg);color:var(--warn)}
.flagrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}

/* meta table */
.metabox{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.metabox dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.9rem}
.metabox dt{color:var(--muted);font-weight:700}
.metabox dd{margin:0}
.notice{border-left:4px solid var(--green);background:var(--green-soft);padding:12px 14px;border-radius:0 10px 10px 0;
  font-size:.9rem;margin:14px 0}
.notice.warn{border-color:#e0a800;background:var(--warn-bg);color:var(--warn)}
html[data-theme="dark"] .notice.warn{color:#ffd479}

/* tabs */
.tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin:0 0 18px}
.tabs button{background:transparent;border:0;border-bottom:3px solid transparent;padding:10px 14px;
  font-weight:700;color:var(--muted);font-size:.95rem;margin-bottom:-1px}
.tabs button.active{color:var(--navy);border-color:var(--green)}
html[data-theme="dark"] .tabs button.active{color:#fff}

/* tree */
.tree{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.tree .ch{border-bottom:1px solid var(--line)}
.tree .ch:last-child{border-bottom:0}
.tree .ch-head{display:flex;align-items:center;gap:10px;padding:13px 15px;cursor:pointer;user-select:none}
.tree .ch-head:hover{background:var(--card-2)}
.tree .ch-head .chev{transition:transform .18s ease;color:var(--muted);font-size:.8rem}
.tree .ch.open .chev{transform:rotate(90deg)}
.tree .ch-head .ht{flex:1;min-width:0}
.tree .ch-head .ht b{display:block;font-size:.98rem}
.tree .ch-head .ht span{font-size:.8rem;color:var(--muted)}
.tree .secs{display:none;background:var(--card-2);border-top:1px solid var(--line)}
.tree .ch.open .secs{display:block}
.tree .sec{display:flex;align-items:center;gap:10px;padding:9px 15px 9px 34px;border-bottom:1px solid var(--line);
  font-size:.92rem}
.tree .sec:last-child{border-bottom:0}
.tree .sec:hover{background:var(--green-soft)}
.tree .sec .st{flex:1;min-width:0}
.tree .sec .st b{font-weight:700}
.tree .sec .st i{display:block;font-style:normal;color:var(--muted);font-size:.82rem}
.tree .sec-actions,.tree .ch-actions{display:flex;gap:6px;flex:0 0 auto;flex-wrap:wrap}

/* search results */
.result{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;
  box-shadow:var(--shadow);margin-bottom:10px}
.result:hover{border-color:var(--green);text-decoration:none}
.result .rt{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.result .rt b{font-size:1rem}
.result .path{font-size:.82rem;color:var(--muted);margin-top:3px}
.result .path a{color:var(--muted)}
.result .rt a{text-decoration:none}
mark{background:#fff2a8;color:inherit;padding:0 2px;border-radius:3px}
html[data-theme="dark"] mark{background:#4a3d0a;color:#ffe9a8}
.empty{text-align:center;color:var(--muted);padding:40px 10px}

/* footer */
footer.site{background:var(--navy);color:#c9d8f5;margin-top:40px}
footer.site .wrap{padding:38px 18px 22px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
footer.site h4{color:#fff;margin:0 0 10px;font-size:1rem}
footer.site a{color:#dce7ff}
footer.site ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px;font-size:.9rem}
footer.site .brandline{display:flex;gap:12px;align-items:center;margin-bottom:10px}
footer.site .brandline img{width:40px;height:40px;background:#fff;border-radius:9px;padding:3px}
.disc{border-top:1px solid rgba(255,255,255,.15);margin-top:22px;padding-top:18px;font-size:.82rem;color:#a9bde0}
.disc p{margin:0 0 8px}
.copy{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.78rem;color:#8fa6cf;
  border-top:1px solid rgba(255,255,255,.12);margin-top:16px;padding-top:14px}

/* misc */
.pill{font-size:.76rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 10px;white-space:nowrap}
.skeleton{height:14px;border-radius:6px;background:linear-gradient(90deg,var(--line),var(--card-2),var(--line));
  background-size:200% 100%;animation:sk 1.2s infinite}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}
.loadmore{display:block;margin:16px auto 0}
.totop{position:fixed;right:16px;bottom:16px;z-index:30;background:var(--navy);color:#fff;border:0;border-radius:50%;
  width:44px;height:44px;display:none;place-items:center;box-shadow:var(--shadow-lg);font-size:1.1rem}
.totop.show{display:grid}
.hidden{display:none!important}

/* ---------------- responsive ---------------- */
@media(max-width:980px){
  .grid.c4{grid-template-columns:repeat(2,1fr)}
  .grid.c3{grid-template-columns:repeat(2,1fr)}
  footer.site .wrap{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .topbar .wrap{justify-content:center;text-align:center}
  header.site .wrap{flex-wrap:wrap;gap:10px;padding:10px 14px}
  .brand .t b{font-size:1rem}
  nav.main{order:3;width:100%;margin-left:0;overflow-x:auto;justify-content:flex-start}
  nav.main a{white-space:nowrap}
  .hsearch{order:2;max-width:none;flex:1}
  .grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  footer.site .wrap{grid-template-columns:1fr}
  main{padding-top:18px}
  .hero{padding:34px 0 30px}
  .doc-row{flex-direction:column}
  .doc-cover{width:100%;height:56px}
  .tree .sec{flex-wrap:wrap;gap:8px;padding:11px 14px}
  .tree .sec .st{flex:1 1 100%}
  .tree .sec-actions{flex:1 1 100%}
  .tree .sec-actions .btn{flex:1;justify-content:center;min-height:40px}
  .tree .ch-head{flex-wrap:wrap;gap:8px}
  .tree .ch-actions{flex:1 1 100%}
  .tree .ch-actions .btn{flex:1;justify-content:center;min-height:40px}
  .doc-row .acts{width:100%}
  .doc-row .acts .btn{flex:1;justify-content:center;min-height:42px}
  .metabox dl{grid-template-columns:1fr;gap:2px 0}
  .metabox dt{margin-top:8px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media print{header.site,nav.main,.totop,.hero .quick{display:none}}