/* Aaizel LMS — Maharashtra Cyber. Design tokens + app shell.
   WCAG 2.0 AA (Req 257, 364): contrast ≥ 4.5:1, visible focus, keyboard operable, reduced motion honored. */
:root{
  --navy:#14304A; --navy-2:#0E2237; --navy-3:#16354F; --paper:#F3F5F2; --card:#FFFFFF;
  --ink:#1B2733; --muted:#5A6B7A; --line:#D8DEE4;
  --teal:#0E6F6E; --teal-dk:#0A5453; --teal-soft:#E6F3F2;
  --kesari:#E8891C; --kesari-dk:#B96407; --kesari-soft:#FFF4E5;
  --ok:#1E7B34; --warn:#9A6700; --bad:#B3261E;
  --r:12px; --shadow:0 1px 2px rgba(16,32,48,.06),0 8px 24px rgba(16,32,48,.06);
  --font:'Mukta','Noto Sans Devanagari','Noto Sans',system-ui,'Segoe UI',Arial,sans-serif;
  --mono:ui-monospace,'Cascadia Mono',Menlo,monospace;
  --rail-w:248px;
  --mast-h:64px;
}
*{box-sizing:border-box}
html{font-size:16px;height:100%}
body{margin:0;min-height:100%;display:flex;flex-direction:column;background:var(--paper);color:var(--ink);font-family:var(--font);line-height:1.5;
  background-image:radial-gradient(ellipse 80% 50% at 100% -10%,rgba(14,111,110,.06),transparent 55%),
    radial-gradient(ellipse 60% 40% at 0% 100%,rgba(232,137,28,.05),transparent 50%)}
img{max-width:100%}
a{color:var(--teal-dk)}
:focus-visible{outline:3px solid var(--kesari);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--kesari);color:#3A2000;padding:.6rem 1rem;z-index:99;font-weight:700}
.skip:focus{left:8px;top:8px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- Masthead (full-bleed left → right) ---------- */
header.mast{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;border-bottom:4px solid var(--kesari);position:sticky;top:0;z-index:40;width:100%;flex:none}
.mast-in{display:flex;align-items:center;gap:16px;padding:.65rem 1.25rem;width:100%;min-height:var(--mast-h)}
.lockup{display:flex;flex-direction:column;line-height:1.15;min-width:200px;flex:none}
.lockup .dev{font-weight:700;font-size:1.08rem;letter-spacing:.15px}
.lockup .eng{font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:#A8C0D4;margin-top:2px}
.emblem{width:42px;height:42px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#FFB65C,var(--kesari) 58%,var(--kesari-dk));
  display:grid;place-items:center;color:#2B1500;font-weight:800;flex:none;font-size:1.1rem;
  box-shadow:0 0 0 2px rgba(255,255,255,.12)}
.gsearch{flex:1;min-width:180px;display:flex;align-items:stretch;height:40px;max-width:560px}
.gsearch input{flex:1;border:0;border-radius:9px 0 0 9px;padding:0 .85rem;font:inherit;min-width:0;height:100%;
  background:#F7FAFC;color:var(--ink)}
.gsearch input::placeholder{color:#7A8E9E}
.gsearch button{border:0;border-radius:0 9px 9px 0;background:var(--kesari);color:#2B1500;font-weight:700;
  padding:0 1rem;cursor:pointer;height:100%;font:inherit;white-space:nowrap}
.gsearch button:hover{background:#F09A35}
.mast-tools{display:flex;align-items:center;gap:.55rem;margin-left:auto;flex:none;height:40px}
.lang{display:flex;border:1px solid #3E5A75;border-radius:9px;overflow:hidden;height:40px;align-items:stretch}
.lang button{background:transparent;color:#CBDCEA;border:0;padding:0 .7rem;cursor:pointer;font:inherit;height:100%}
.lang button[aria-pressed="true"]{background:var(--kesari);color:#2B1500;font-weight:700}
.iconbtn{position:relative;background:#1E425F;color:#fff;border:1px solid #3E5A75;border-radius:9px;
  padding:0 .75rem;cursor:pointer;font:inherit;height:40px;display:inline-flex;align-items:center;gap:.35rem}
.iconbtn:hover{background:#254D6C}
.iconbtn .dot{position:absolute;top:-6px;right:-6px;background:var(--bad);color:#fff;border-radius:99px;font-size:.66rem;padding:0 .35rem;min-width:1.1rem;text-align:center;line-height:1.3}

/* ---------- Shell: rail flush left, content fills rest ---------- */
.shell{display:grid;grid-template-columns:var(--rail-w) minmax(0,1fr);width:100%;margin:0;flex:1 1 auto;min-height:0;align-items:stretch}
nav.rail{background:var(--navy-2);color:#C8D6E2;padding:.75rem .45rem 1.75rem;overflow-y:auto;
  border-right:1px solid rgba(255,255,255,.06);position:sticky;top:calc(var(--mast-h) + 4px);
  align-self:start;height:calc(100vh - var(--mast-h) - 4px);width:var(--rail-w);max-width:var(--rail-w)}
nav.rail .rail-sec{margin-bottom:.45rem}
nav.rail h3{font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:#6F8AA0;
  margin:.75rem .55rem .3rem;font-weight:700}
nav.rail .rail-sec:first-child h3{margin-top:.2rem}
nav.rail a{display:flex;align-items:center;gap:.55rem;color:#D5E2EC;text-decoration:none;
  padding:.48rem .6rem;border-radius:0 9px 9px 0;border-left:3px solid transparent;margin:2px 0;
  font-size:.9rem;line-height:1.25;transition:background .15s ease,color .15s ease,border-color .15s ease}
nav.rail a:hover{background:rgba(255,255,255,.06);color:#fff}
nav.rail a.on{background:linear-gradient(90deg,rgba(232,137,28,.2),rgba(27,58,87,.95));
  border-left-color:var(--kesari);color:#fff;font-weight:600}
nav.rail .rail-ico{width:18px;height:18px;flex:none;opacity:.72;display:grid;place-items:center}
nav.rail a.on .rail-ico,nav.rail a:hover .rail-ico{opacity:1}
nav.rail .rail-ico svg{width:16px;height:16px;display:block}
main{padding:1.15rem 1.5rem 2rem;min-width:0;width:100%;background:transparent}
.crumbs{font-size:.85rem;color:var(--muted);margin:.1rem 0 .85rem}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--teal-dk)}
.crumbs .sep{margin:0 .35rem;color:#9FB0BE}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:1rem 1.25rem;text-align:center;background:#fff;flex:none;width:100%}

/* ---------- Page chrome ---------- */
.page-head{display:flex;align-items:center;gap:.85rem;flex-wrap:wrap;margin:.15rem 0 1rem}
.page-head h1{margin:0;flex:1;min-width:12rem}
.page-sub{color:var(--muted);font-size:.92rem;margin:-.35rem 0 1rem;max-width:62ch}
.reg-wrap{display:flex;flex-direction:column;align-items:center;width:100%;padding:.5rem 0 1.5rem}
.reg-card{width:100%;max-width:720px;margin:0 auto}

/* ---------- Components ---------- */
h1{font-size:1.5rem;margin:.2rem 0 .9rem;color:var(--navy);font-weight:700;letter-spacing:-.01em}
h2{font-size:1.08rem;color:var(--navy);margin:1.1rem 0 .5rem;font-weight:700}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:1.05rem 1.1rem;margin-bottom:1rem}
.card.lab-card{display:flex;flex-direction:column;gap:.55rem;min-height:200px;transition:transform .15s ease,box-shadow .15s ease}
.card.lab-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(16,32,48,.1)}
.card.lab-card h2{margin:0;font-size:1.12rem}
.card.lab-card .lab-desc{flex:1;color:var(--muted);font-size:.92rem;margin:0}
.card.lab-card .lab-meta{display:flex;flex-wrap:wrap;gap:.35rem;margin:.15rem 0}
.grid{display:grid;gap:1rem}
.g2{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.g3{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;background:var(--teal);color:#fff;
  border:1px solid var(--teal-dk);border-radius:9px;padding:.5rem 1rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.2}
.btn:hover{background:var(--teal-dk)}
.btn.alt{background:#fff;color:var(--teal-dk);border-color:var(--teal)}
.btn.alt:hover{background:var(--teal-soft)}
.btn.warn{background:#fff;color:var(--bad);border-color:var(--bad)}
.btn.kes{background:var(--kesari);border-color:var(--kesari-dk);color:#2B1500}
.btn.kes:hover{background:#F09A35}
.btn.sm{padding:.3rem .65rem;font-size:.85rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}
label{display:block;font-weight:600;font-size:.88rem;margin:.55rem 0 .2rem}
input,select,textarea{width:100%;padding:.5rem .65rem;border:1px solid #B8C4CE;border-radius:9px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(14,111,110,.12);outline:none}
textarea{min-height:90px}
.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.sp{flex:1}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
th,td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:top}
th{background:#EEF2F0;color:var(--navy);font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;font-weight:700}
tr:last-child td{border-bottom:0}
tr:hover td{background:#F7FAF9}
.tag{display:inline-block;border-radius:99px;padding:.15rem .6rem;font-size:.74rem;font-weight:700;background:#E8EEF3;color:var(--navy)}
.tag.ok{background:#E2F2E5;color:var(--ok)} .tag.warn{background:#FBF0DA;color:var(--warn)}
.tag.bad{background:#F9E2E0;color:var(--bad)} .tag.kes{background:#FCEAD3;color:var(--kesari-dk)}
.tag.teal{background:var(--teal-soft);color:var(--teal-dk)}
.muted{color:var(--muted)} .small{font-size:.85rem}
.empty{border:2px dashed var(--line);border-radius:var(--r);padding:2rem 1.6rem;text-align:center;color:var(--muted);background:rgba(255,255,255,.65)}
.notice{border-left:4px solid var(--kesari);background:var(--kesari-soft);padding:.75rem 1rem;border-radius:8px;margin:.6rem 0 1rem;font-size:.92rem;color:#5C3D12}
.err{border-left:4px solid var(--bad);background:#FCEFEE;padding:.75rem 1rem;border-radius:8px;margin:.6rem 0;color:#7A1B15}
.okbox{border-left:4px solid var(--ok);background:#EEF7EF;padding:.75rem 1rem;border-radius:8px;margin:.6rem 0}
.lab-console{background:linear-gradient(160deg,#0E2237 0%,#14304A 55%,#0A5453 120%);color:#E8F0F5;border-radius:var(--r);padding:1.5rem;min-height:320px;border:1px solid #2A4A66}
.lab-console h2{color:#fff;margin-top:0}
.lab-console .lab-terminal{font-family:var(--mono);font-size:.85rem;background:rgba(0,0,0,.35);border-radius:8px;padding:1rem;margin:1rem 0;color:#9FE8C8;line-height:1.6}
details{border:1px solid var(--line);border-radius:9px;background:#fff;margin:.4rem 0;box-shadow:var(--shadow)}
details>summary{cursor:pointer;padding:.6rem .85rem;font-weight:600;color:var(--navy)}
details[open]>summary{border-bottom:1px solid var(--line)}
details>div{padding:.7rem .85rem}
progress{width:100%;height:10px;accent-color:var(--teal)}
dialog{border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);max-width:640px;width:92%}
dialog::backdrop{background:rgba(10,25,40,.45)}
.consent-banner{position:fixed;z-index:100;left:1rem;right:1rem;bottom:1rem;margin:auto;max-width:900px;background:#fff;border:2px solid var(--navy);border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.25);padding:.8rem 1rem;display:flex;align-items:center;gap:1rem;justify-content:space-between}
.consent-banner p{margin:.2rem 0}
@media(max-width:700px){.consent-banner{align-items:stretch;flex-direction:column}}

/* widgets drag-drop */
.widgets{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}
.widget{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.widget>.whead{display:flex;align-items:center;gap:.5rem;padding:.55rem .85rem;border-bottom:1px solid var(--line);background:#F2F5F3;border-radius:var(--r) var(--r) 0 0}
.widget>.whead .grab{cursor:grab;color:var(--muted)}
.widget>.wbody{padding:.75rem .85rem;max-height:330px;overflow:auto}
.widget.dragover{outline:3px dashed var(--kesari)}

/* module list / player */
.mod{display:flex;gap:.7rem;align-items:center;border:1px solid var(--line);border-radius:9px;padding:.65rem .85rem;background:#fff;margin:.35rem 0;box-shadow:0 1px 2px rgba(16,32,48,.04)}
.mod.locked{opacity:.55}
.mod .mstat{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#E8EEF3;color:var(--navy);font-size:.8rem;flex:none}
.mod .mstat.done{background:var(--ok);color:#fff}
.mod[draggable="true"]{cursor:grab}

/* quiz */
.q{border:1px solid var(--line);border-radius:10px;background:#fff;padding:.95rem;margin:.7rem 0;box-shadow:var(--shadow)}
.q .qn{font-weight:700;color:var(--navy)}
.opt{display:flex;gap:.5rem;align-items:flex-start;padding:.4rem .45rem;border-radius:8px}
.opt:hover{background:#F2F7F6}
.timer{position:sticky;top:calc(var(--mast-h) + 8px);background:var(--navy);color:#fff;padding:.45rem .85rem;border-radius:9px;display:inline-block;font-variant-numeric:tabular-nums;z-index:5}

/* calendar */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal .d{min-height:84px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:.25rem .4rem;font-size:.8rem}
.cal .d.today{outline:2px solid var(--kesari)}
.cal .ev{display:block;background:#E4F0EF;color:var(--teal-dk);border-radius:6px;padding:.05rem .3rem;margin:.15rem 0;font-size:.72rem;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.cal .ev.ilt{background:#FCEAD3;color:var(--kesari-dk)} .cal .ev.deadline{background:#F9E2E0;color:var(--bad)}

/* chat */
.chat{display:flex;flex-direction:column;gap:.35rem;max-height:380px;overflow:auto;padding:.4rem}
.msg{max-width:72%;padding:.45rem .7rem;border-radius:12px;background:#EDF1EF}
.msg.me{align-self:flex-end;background:var(--teal);color:#fff}

/* charts */
.chartbox{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:.8rem}
.bar{display:flex;align-items:center;gap:.5rem;margin:.3rem 0}
.bar .lbl{width:150px;font-size:.82rem;color:var(--muted);text-align:right;flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar .trk{flex:1;background:#EDF1F4;border-radius:6px;height:20px;overflow:hidden}
.bar .fil{height:100%;background:var(--teal);border-radius:6px;color:#fff;font-size:.72rem;display:flex;align-items:center;padding-left:.4rem;min-width:1.4rem}
.bar:nth-child(even) .fil{background:var(--navy)}

/* certificate look (screen) */
.certframe{border:6px double var(--navy);border-radius:6px;padding:2rem;text-align:center;background:#FFFDF7}

@media (max-width:980px){
  .mast-in{flex-wrap:wrap;gap:10px}
  .gsearch{order:3;max-width:none;width:100%;flex:1 1 100%}
  .lockup{min-width:0;flex:1}
}
@media (max-width:900px){
  .shell{grid-template-columns:1fr;display:flex;flex-direction:column}
  nav.rail{position:static;height:auto;width:100%;max-width:none;align-self:stretch;
    display:flex;overflow-x:auto;padding:.5rem .55rem;gap:.15rem;
    border-right:0;border-bottom:1px solid rgba(255,255,255,.06);scrollbar-width:thin}
  nav.rail .rail-sec{display:flex;gap:.15rem;margin:0;flex:none}
  nav.rail h3{display:none}
  nav.rail a{white-space:nowrap;border-left:0;border-radius:9px;border-bottom:3px solid transparent;padding:.45rem .7rem}
  nav.rail a.on{border-bottom-color:var(--kesari);background:rgba(232,137,28,.15)}
  main{padding:1rem}
}
@media print{
  header.mast,nav.rail,.crumbs,footer,.btn,.noprint{display:none!important}
  body{background:#fff}
  .card{box-shadow:none;border:0}
  main{padding:0}
}