:root{
  --ink:#1c1038;
  --ink-soft:#5b4d80;
  --paper:#faf7ff;
  --paper-alt:#f2ecff;
  --card:#ffffff;
  --line:rgba(56,13,111,.12);
  --purple-700:#380d6f;
  --purple-600:#6740ba;
  --purple-500:#8459d6;
  --purple-400:#a077f8;
  --purple-200:#d9c3ff;
  --purple-100:#ece0fc;
  --coral:#ef5366;
  --coral-dark:#c8394b;
  --coral-soft:#fde7ea;
  --gold:#c9820f;
  --gold-soft:#fbf1dc;
  --teal:#0f9d78;
  --teal-soft:#e0f7ef;
  --shadow:0 10px 30px -12px rgba(56,13,111,.22);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.6;min-height:100vh}
button,input,select{font-family:inherit}
a{color:var(--purple-600)}
::selection{background:var(--purple-200)}
svg{display:block}
.hidden{display:none!important}

/* ---------- Login ---------- */
#loginScreen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 20% 20%,var(--purple-100),transparent 55%),radial-gradient(circle at 85% 80%,var(--coral-soft),transparent 50%),var(--paper)}
.login-card{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:36px 32px;box-shadow:var(--shadow)}
.login-logo{width:36px;height:auto;display:block;margin-bottom:20px}
.login-card h1{font-size:1.4rem;font-weight:800;margin-bottom:4px}
.login-card .sub{color:var(--ink-soft);font-size:.85rem;margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.78rem;font-weight:600;color:var(--ink-soft);margin-bottom:6px}
.field input,.field select{width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:.92rem}
.field input:focus,.field select:focus{outline:none;border-color:var(--purple-400)}
.form-error{background:var(--coral-soft);color:var(--coral-dark);font-size:.82rem;padding:10px 13px;border-radius:10px;margin-bottom:14px;display:none}
.form-error.show{display:block}
.form-note{background:var(--teal-soft);color:#0b6b50;font-size:.82rem;padding:10px 13px;border-radius:10px;margin-bottom:14px;display:none}
.form-note.show{display:block}
.btn-block{width:100%}

/* ---------- App shell ---------- */
.app{display:flex;min-height:100vh}
.rail{width:84px;flex-shrink:0;background:linear-gradient(180deg,var(--purple-700),var(--purple-600) 60%,var(--coral));display:flex;flex-direction:column;align-items:center;padding:22px 0;position:sticky;top:0;height:100vh}
.logo-mark{width:26px;height:auto;display:block;margin-bottom:34px;background:#fff;padding:6px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.18)}
.rail-nav{display:flex;flex-direction:column;gap:10px}
.rail-btn{width:46px;height:46px;border-radius:13px;border:none;background:rgba(255,255,255,.12);color:rgba(255,255,255,.85);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s}
.rail-btn svg{width:20px;height:20px}
.rail-btn:hover{background:rgba(255,255,255,.22)}
.rail-btn.active{background:#fff;color:var(--purple-700)}
.rail-spacer{flex:1}
.rail-foot{display:flex;flex-direction:column;align-items:center;gap:10px}
.rail-user{font-size:.6rem;color:rgba(255,255,255,.55);text-align:center;line-height:1.3;max-width:60px;word-break:break-word}

.stage{flex:1;min-width:0;position:relative}
.view{display:none}
.view.active{display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:22px 32px 0}
.topbar h2{font-size:1.3rem;font-weight:800}
.topbar .sub{color:var(--ink-soft);font-size:.85rem;margin-top:2px}

/* ---------- Home ---------- */
.home-hero{padding:56px 0 20px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:start}
@media(max-width:920px){.hero-grid{grid-template-columns:1fr}}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--coral-dark);background:var(--coral-soft);padding:6px 13px;border-radius:20px;margin-bottom:20px}
.kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--coral)}
.home-hero h1{font-size:clamp(2.1rem,4.4vw,3.1rem);font-weight:800;letter-spacing:-.025em;line-height:1.08;margin-bottom:18px}
.home-hero h1 .accent{background:linear-gradient(120deg,var(--purple-600),var(--coral));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.home-hero .lede{color:var(--ink-soft);font-size:1.02rem;max-width:460px;margin-bottom:26px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.giant-numeral{position:absolute;font-weight:800;font-size:13rem;color:var(--purple-100);z-index:-1;left:-30px;top:-40px;user-select:none;line-height:1}

.disclaimer{font-size:.78rem;color:var(--gold);background:var(--gold-soft);border:1px solid #eeda9f;border-radius:10px;padding:10px 15px;max-width:480px;display:flex;gap:9px}
.disclaimer svg{flex-shrink:0;width:16px;height:16px;margin-top:1px}

.bento{display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:minmax(120px,auto);gap:14px}
.bento-tile{grid-column:span 2;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;cursor:pointer;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s;position:relative;overflow:hidden;text-align:left}
.bento-tile:hover{transform:translateY(-3px)}
.bento-tile.half{grid-column:span 1}
.bento-tile .t-icon{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.bento-tile .t-icon svg{width:20px;height:20px;stroke:#fff}
.bento-tile.tone-purple .t-icon{background:linear-gradient(135deg,var(--purple-600),var(--purple-400))}
.bento-tile.tone-coral .t-icon{background:linear-gradient(135deg,var(--coral),#ff9382)}
.bento-tile.tone-gold .t-icon{background:linear-gradient(135deg,#e0a021,var(--gold))}
.bento-tile .t-badge{font-size:.66rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:4px}
.bento-tile h3{font-size:1.08rem;margin-bottom:6px}
.bento-tile p{color:var(--ink-soft);font-size:.85rem}
.bento-tile .arrow{position:absolute;right:18px;top:18px;width:26px;height:26px;border-radius:50%;background:var(--paper-alt);display:flex;align-items:center;justify-content:center;transition:transform .18s}
.bento-tile:hover .arrow{transform:translate(3px,-3px)}
.bento-tile .arrow svg{width:13px;height:13px}
.history-tile{background:linear-gradient(150deg,var(--purple-700),var(--purple-600));color:#fff;cursor:pointer}
.history-tile .t-badge{color:rgba(255,255,255,.7)}
.history-tile .h-row{display:flex;justify-content:space-between;align-items:baseline;margin-top:8px}
.history-tile .h-score{font-size:1.8rem;font-weight:800}
.history-tile .h-meta{font-size:.75rem;color:rgba(255,255,255,.7)}
.history-tile .h-empty{color:rgba(255,255,255,.75);font-size:.85rem;margin-top:8px}

.stats-strip{display:flex;gap:0;margin:34px 0 8px;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.stats-strip .s{flex:1;text-align:center;padding:16px 8px;border-right:1px solid var(--line)}
.stats-strip .s:last-child{border-right:none}
.stats-strip .num{font-size:1.5rem;font-weight:800;color:var(--purple-600)}
.stats-strip .lbl{font-size:.7rem;color:var(--ink-soft);margin-top:2px}

.domain-picker{display:none;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;margin:26px 0;box-shadow:var(--shadow)}
.domain-picker.show{display:block;animation:popIn .25s ease}
@keyframes popIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.domain-picker h4{margin-bottom:12px;font-size:.78rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.chip{padding:9px 16px;border-radius:20px;border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer;font-size:.85rem;transition:all .15s}
.chip:hover{border-color:var(--purple-400)}
.chip.active{background:linear-gradient(135deg,var(--purple-600),var(--purple-400));border-color:transparent;color:#fff}

.footer-note{color:var(--ink-soft);font-size:.78rem;max-width:640px;margin:30px 0 60px;line-height:1.7}
.footer-note a{text-decoration:none}
.footer-note a:hover{text-decoration:underline}

.btn{padding:12px 24px;border-radius:11px;border:none;font-size:.88rem;font-weight:700;cursor:pointer;transition:all .15s}
.btn-primary{background:linear-gradient(135deg,var(--purple-600),var(--purple-400));color:#fff;box-shadow:0 8px 20px -6px rgba(103,64,186,.55)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{background:var(--card);border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--purple-400)}
.btn-outline{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--purple-400);background:var(--paper-alt)}
.btn-flag{background:#fff;border:1px solid var(--gold);color:var(--gold)}
.btn-flag.flagged{background:var(--gold);color:#fff}
.btn-danger{background:linear-gradient(135deg,var(--coral),#ff8a7a);color:#fff}
.btn-danger:hover{filter:brightness(1.06)}
.btn-sm{padding:7px 14px;font-size:.78rem;border-radius:8px}
.btn:disabled{opacity:.35;cursor:not-allowed}

/* ---------- Exam ---------- */
.exam-top{position:sticky;top:0;background:rgba(250,247,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:16px 0;z-index:50}
.exam-top .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.timer{font-size:1.2rem;font-weight:800;font-variant-numeric:tabular-nums;color:var(--purple-700);background:var(--purple-100);padding:6px 14px;border-radius:10px}
.timer.warning{color:var(--gold);background:var(--gold-soft)}
.timer.danger{color:var(--coral-dark);background:var(--coral-soft);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.55}}
.progress-bar{flex:1;min-width:180px;height:7px;background:var(--line);border-radius:4px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--purple-500),var(--coral));transition:width .3s;border-radius:4px}

.exam-stage{max-width:760px;margin:0 auto;padding:36px 32px 60px}
.q-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}
.q-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:8px}
.q-num{font-size:.83rem;color:var(--ink-soft);font-weight:600}
.q-domain{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;padding:5px 12px 5px 8px;border-radius:20px;background:var(--purple-100);color:var(--purple-700);font-weight:700}
.q-domain svg{width:13px;height:13px}
.q-text{font-size:1.08rem;font-weight:700;line-height:1.65;margin-bottom:22px}
.options{display:flex;flex-direction:column;gap:10px}
.option{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:var(--paper);border:2px solid var(--line);border-radius:13px;cursor:pointer;transition:all .12s;font-size:.93rem;line-height:1.5}
.option:hover{border-color:var(--purple-400);background:#fff}
.option.selected{border-color:var(--purple-500);background:var(--purple-100)}
.option.correct{border-color:var(--teal);background:var(--teal-soft)}
.option.wrong{border-color:var(--coral);background:var(--coral-soft)}
.option .letter{min-width:27px;height:27px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#fff;border:1px solid var(--line);font-weight:800;font-size:.8rem;flex-shrink:0}
.option.selected .letter{background:var(--purple-600);color:#fff;border-color:transparent}
.option.correct .letter{background:var(--teal);color:#fff;border-color:transparent}
.option.wrong .letter{background:var(--coral);color:#fff;border-color:transparent}
.explanation{margin-top:16px;padding:15px 17px;background:var(--teal-soft);border:1px solid #b9ecd9;border-radius:13px;font-size:.87rem;line-height:1.6;display:none;color:#0b6b50}
.explanation.show{display:block;animation:popIn .2s ease}
.expl-correct{color:#0b6b50}
.expl-wrong-wrap{margin-top:12px;padding-top:12px;border-top:1px dashed #b9ecd9}
.expl-wrong-heading{margin:0 0 6px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#7a5a1a}
.expl-wrong-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.expl-wrong-list li{color:#7a4a1a;font-size:.85rem;line-height:1.5}
.expl-letter{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;border-radius:6px;background:var(--coral-soft);color:var(--coral);font-weight:800;font-size:.72rem;margin-right:6px}
.nav-btns{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}

.q-strip-wrap{margin-top:22px}
.q-strip-label{font-size:.72rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;display:flex;justify-content:space-between}
.q-strip{display:flex;gap:6px;overflow-x:auto;padding:4px 2px 10px}
.q-strip::-webkit-scrollbar{height:6px}
.q-strip::-webkit-scrollbar-thumb{background:var(--purple-200);border-radius:3px}
.p-btn{flex-shrink:0;width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-soft);font-size:.78rem;font-weight:700;cursor:pointer;transition:all .12s;display:flex;align-items:center;justify-content:center}
.p-btn:hover{border-color:var(--purple-400)}
.p-btn.current{border-color:transparent;background:linear-gradient(135deg,var(--purple-600),var(--purple-400));color:#fff}
.p-btn.answered{background:var(--teal-soft);border-color:var(--teal);color:var(--teal)}
.p-btn.flagged{background:var(--gold-soft);border-color:var(--gold);color:var(--gold)}
.legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:4px}
.legend span{display:flex;align-items:center;gap:6px;font-size:.72rem;color:var(--ink-soft)}
.legend .dot{width:9px;height:9px;border-radius:3px}

/* ---------- Results ---------- */
.results-stage{max-width:820px;margin:0 auto;padding:50px 32px 70px}
.results-head{text-align:center;margin-bottom:8px}
.results-head .eyebrow2{font-size:.75rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.08em}
.save-status{text-align:center;font-size:.78rem;color:var(--ink-soft);margin-top:6px}
.save-status.err{color:var(--coral-dark)}
.score-hero{display:flex;align-items:center;justify-content:center;gap:8px;margin:14px 0 4px}
.score-hero .num{font-size:clamp(3.4rem,10vw,5.2rem);font-weight:800;letter-spacing:-.03em;background:linear-gradient(120deg,var(--purple-700),var(--purple-500) 50%,var(--coral));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.score-hero .denom{font-size:1.3rem;color:var(--ink-soft);font-weight:700;align-self:flex-end;margin-bottom:.9rem}
.result-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 22px;border-radius:20px;font-weight:800;font-size:.95rem;margin:6px 0 26px}
.result-badge.pass{background:var(--teal-soft);color:var(--teal)}
.result-badge.fail{background:var(--coral-soft);color:var(--coral-dark)}

.gauge-wrap{max-width:520px;margin:0 auto 30px}
.gauge-track{position:relative;height:16px;border-radius:10px;background:var(--line);overflow:visible}
.gauge-fill{position:absolute;left:0;top:0;height:100%;border-radius:10px;background:linear-gradient(90deg,var(--purple-600),var(--purple-400) 60%,var(--coral));width:0;transition:width 1.1s cubic-bezier(.2,.8,.2,1)}
.gauge-pass-mark{position:absolute;top:-6px;bottom:-6px;width:2px;background:var(--ink);opacity:.4;left:72%}
.gauge-pass-mark .lbl{position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-size:.66rem;color:var(--ink-soft);white-space:nowrap}
.gauge-scale{display:flex;justify-content:space-between;font-size:.68rem;color:var(--ink-soft);margin-top:8px}

.result-stats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:0 0 34px}
.result-stat-chip{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:11px 20px;min-width:96px;box-shadow:var(--shadow)}
.result-stat-chip .v{font-weight:800;font-size:1.08rem;color:var(--purple-700)}
.result-stat-chip .k{font-size:.68rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em}

.domain-scores{margin:0 auto 32px;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.domain-scores h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);margin-bottom:18px}
.domain-row{display:flex;align-items:center;gap:12px;margin-bottom:15px}
.domain-row .d-icon{width:30px;height:30px;border-radius:9px;background:var(--purple-100);color:var(--purple-700);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.domain-row .d-icon svg{width:15px;height:15px}
.domain-row .name{flex:1;font-size:.85rem;min-width:120px}
.domain-row .bar{flex:1;height:9px;background:var(--line);border-radius:5px;overflow:hidden;max-width:220px}
.domain-row .bar-fill{height:100%;border-radius:5px;width:0;transition:width 1s cubic-bezier(.2,.8,.2,1)}
.domain-row .pct{font-size:.83rem;font-weight:800;width:42px;text-align:right}

.review-list{max-width:800px;margin:0 auto;text-align:left}
.review-q{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:12px;box-shadow:var(--shadow)}
.review-q.wrong{border-left:4px solid var(--coral)}
.review-q.right{border-left:4px solid var(--teal)}
.review-q .rq-text{font-weight:600;margin-bottom:12px;font-size:.85rem;color:var(--ink-soft)}
.review-q .rq-text b{color:var(--ink);display:block;margin-top:4px;font-weight:700;font-size:.95rem}
.review-q .rq-opt{padding:9px 12px;border-radius:9px;font-size:.85rem;margin-bottom:6px;background:var(--paper)}
.review-q .rq-opt.correct{background:var(--teal-soft);color:#0b6b50}
.review-q .rq-opt.wrong{background:var(--coral-soft);color:var(--coral-dark)}
.review-q .rq-expl{margin-top:10px;font-size:.83rem;color:var(--ink-soft);background:var(--paper);padding:12px;border-radius:10px}

.confetti-piece{position:fixed;top:-20px;width:9px;height:14px;opacity:.95;z-index:200;animation:fall linear forwards;border-radius:2px}
@keyframes fall{to{transform:translateY(110vh) rotate(540deg);opacity:0}}

/* ---------- Exam integrity toasts ---------- */
#toastContainer{position:fixed;bottom:24px;right:24px;z-index:400;display:flex;flex-direction:column;gap:10px;align-items:flex-end;pointer-events:none}
.funny-toast{background:var(--purple-700);color:#fff;padding:12px 18px;border-radius:12px;font-size:.86rem;font-weight:600;max-width:320px;box-shadow:0 12px 30px -8px rgba(56,13,111,.5);opacity:0;transform:translateY(12px);transition:all .25s ease}
.funny-toast.show{opacity:1;transform:translateY(0)}
body.guard-active .stage{user-select:none}
body.guard-active .stage input,body.guard-active .stage textarea{user-select:text}

/* ---------- Progress & Admin (tables) ---------- */
.panel{max-width:1000px;margin:0 auto;padding:24px 32px 60px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow);margin-bottom:22px}
.card h4{font-size:.9rem;margin-bottom:16px}
table{width:100%;border-collapse:collapse;font-size:.86rem}
th{text-align:left;color:var(--ink-soft);font-weight:700;font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:11px 10px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:none}
tr.clickable{cursor:pointer}
tr.clickable:hover{background:var(--paper)}
.pill{display:inline-block;padding:3px 10px;border-radius:12px;font-size:.72rem;font-weight:700}
.pill.pass{background:var(--teal-soft);color:var(--teal)}
.pill.fail{background:var(--coral-soft);color:var(--coral-dark)}
.pill.role-admin{background:var(--purple-100);color:var(--purple-700)}
.pill.role-user{background:var(--paper-alt);color:var(--ink-soft)}
.pill.active{background:var(--teal-soft);color:var(--teal)}
.pill.inactive{background:var(--coral-soft);color:var(--coral-dark)}
.empty-state{color:var(--ink-soft);font-size:.88rem;text-align:center;padding:30px 0}
.form-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.form-row .field{flex:1;min-width:140px;margin-bottom:0}
.inline-note{font-size:.78rem;color:var(--ink-soft);margin-top:10px}
.copy-box{background:var(--purple-100);color:var(--purple-700);padding:10px 14px;border-radius:10px;font-family:monospace;font-size:.85rem;margin-top:10px;display:flex;justify-content:space-between;align-items:center;gap:10px}

.modal-overlay{position:fixed;inset:0;background:rgba(28,16,56,.55);display:flex;align-items:center;justify-content:center;z-index:300;padding:20px}
.modal-card{background:#fff;border-radius:20px;padding:28px;max-width:400px;width:100%;box-shadow:0 30px 60px rgba(0,0,0,.3)}
.modal-card h3{margin-bottom:6px}
.modal-card .sub{color:var(--ink-soft);font-size:.85rem;margin-bottom:20px}

@media(max-width:640px){
  .rail{width:60px}
  .wrap{padding:0 18px}
  .panel{padding:20px 16px 50px}
  .exam-stage{padding:24px 16px 50px}
  .results-stage{padding:36px 16px 60px}
}