:root{
  --bg:#f3f6fa;
  --surface:#ffffff;
  --surface-soft:#f8fafc;
  --surface-tint:#eef4fb;
  --text:#122033;
  --muted:#64748b;
  --line:#dbe3ec;
  --line-strong:#c9d4e0;

  --navy:#0b213f;
  --navy-2:#11325b;
  --blue:#2264a8;
  --blue-2:#3a7bc0;
  --teal:#138070;
  --green:#2d8a67;
  --gold:#c89b36;
  --amber:#b96f19;
  --violet:#7058a6;
  --red:#b94250;

  --brand:var(--navy);
  --brand-2:var(--navy-2);
  --accent:var(--gold);
  --accent-2:#dfbd6a;
  --success:var(--green);
  --danger:var(--red);
  --info:var(--blue);

  --shadow-sm:0 2px 8px rgba(15,35,60,.05);
  --shadow:0 10px 28px rgba(15,35,60,.075);
  --shadow-lg:0 22px 60px rgba(15,35,60,.14);
  --radius:16px;
  --radius-sm:10px;
  --top:72px;
  --side:252px;
}
[data-theme="dark"]{
  --bg:#0f1722;
  --surface:#162232;
  --surface-soft:#1b2a3c;
  --surface-tint:#1a3049;
  --text:#eef4fb;
  --muted:#9aacc0;
  --line:#2a3a4f;
  --line-strong:#3b4d64;
  --navy:#091522;
  --navy-2:#102943;
  --blue:#5b9bd6;
  --blue-2:#78ade0;
  --teal:#3ab5a0;
  --green:#4db68e;
  --gold:#d3ad59;
  --amber:#dd9a4e;
  --violet:#a38bcf;
  --red:#df7180;
  --brand:var(--navy);
  --brand-2:var(--navy-2);
  --accent:var(--gold);
  --success:var(--green);
  --danger:var(--red);
  --info:var(--blue);
  --shadow-sm:0 2px 10px rgba(0,0,0,.15);
  --shadow:0 12px 32px rgba(0,0,0,.22);
  --shadow-lg:0 28px 80px rgba(0,0,0,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Aptos,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 83% 0%,rgba(34,100,168,.06),transparent 28%),
    var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(34,100,168,.22);outline-offset:2px}
.hidden{display:none!important}

.app-shell{min-height:100vh;padding-top:var(--top);padding-left:var(--side)}
.topbar{
  height:var(--top);position:fixed;z-index:60;inset:0 0 auto 0;
  background:rgba(255,255,255,.96);backdrop-filter:blur(15px);
  color:var(--text);display:flex;align-items:center;gap:18px;padding:0 24px;
  border-bottom:1px solid var(--line);box-shadow:0 2px 18px rgba(18,32,51,.05)
}
[data-theme="dark"] .topbar{background:rgba(22,34,50,.96)}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;min-width:220px}
.brand-mark{
  width:42px;height:42px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(145deg,var(--navy),var(--navy-2));color:#fff;
  font-weight:900;letter-spacing:-.04em;box-shadow:inset 0 -2px 0 rgba(255,255,255,.08),0 8px 18px rgba(11,33,63,.18);
  position:relative
}
.brand-mark:after{content:"";position:absolute;width:14px;height:3px;bottom:7px;border-radius:6px;background:var(--gold)}
.brand strong{display:block;font-size:15px;line-height:1.05;letter-spacing:-.01em}
.brand small{display:block;margin-top:4px;color:var(--muted);font-size:9px;letter-spacing:.13em;text-transform:uppercase;font-weight:800}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:9px}
.segmented{display:inline-flex;padding:4px;background:var(--surface-soft);border:1px solid var(--line);border-radius:11px}
.segmented button{border:0;background:transparent;color:var(--muted);padding:7px 12px;border-radius:8px;font-size:11px;font-weight:850;letter-spacing:.03em}
.segmented button.active{background:var(--navy);color:#fff;box-shadow:0 3px 10px rgba(11,33,63,.18)}
.select{background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:9px 12px;min-height:39px}
.topbar .select{background:var(--surface);color:var(--text);border-color:var(--line)}
.compact{min-height:38px}
.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--navy);border-radius:10px;width:39px;height:39px;display:grid;place-items:center;box-shadow:var(--shadow-sm)}
[data-theme="dark"] .icon-btn{color:var(--text)}

.sidebar{
  position:fixed;z-index:50;left:0;top:var(--top);bottom:0;width:var(--side);
  background:linear-gradient(180deg,#0b213f 0%,#0a1d36 100%);
  border-right:1px solid rgba(255,255,255,.06);padding:20px 14px;display:flex;flex-direction:column;
  box-shadow:8px 0 30px rgba(10,29,54,.05)
}
.nav-list{display:grid;gap:5px}
.nav-list button{display:flex;align-items:center;gap:12px;border:0;background:transparent;color:#aebdd0;padding:11px 13px;border-radius:10px;text-align:left;position:relative;transition:.16s ease}
.nav-list button span{width:24px;text-align:center;font-size:17px;color:#91a6be}
.nav-list button b{font-size:13px;font-weight:760;letter-spacing:.005em}
.nav-list button:hover{background:rgba(255,255,255,.065);color:#fff;transform:translateX(2px)}
.nav-list button:hover span{color:#fff}
.nav-list button.active{background:linear-gradient(90deg,rgba(47,115,178,.34),rgba(47,115,178,.14));color:#fff;box-shadow:inset 3px 0 0 var(--gold)}
.nav-list button.active span{color:#fff}
.sidebar-note{margin-top:auto;display:flex;gap:10px;align-items:center;padding:13px;border-radius:12px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.07)}
.sidebar-note strong,.sidebar-note small{display:block}
.sidebar-note strong{font-size:11px;color:#eef4fb}
.sidebar-note small{font-size:9px;color:#93a7bd;margin-top:2px}
.status-dot{width:8px;height:8px;border-radius:50%;background:#55b98e;box-shadow:0 0 0 4px rgba(85,185,142,.13)}

.view{padding:30px;max-width:1440px;margin:0 auto;min-height:calc(100vh - var(--top));outline:none}
.mobile-only{display:none}
.page-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:22px}
.page-head .grow{flex:1}
.eyebrow{font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--blue);font-weight:850}
.page-title{font-size:30px;line-height:1.12;margin:6px 0 7px;letter-spacing:-.035em;color:var(--navy)}
[data-theme="dark"] .page-title{color:var(--text)}
.page-sub{color:var(--muted);margin:0;max-width:780px;line-height:1.58;font-size:14px}
.head-actions{display:flex;gap:8px;flex-wrap:wrap}

.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:20px;position:relative
}
.card:hover{border-color:var(--line-strong)}
.card.flat{box-shadow:none}
.card h2,.card h3{margin:0;color:var(--text)}
.card h3{font-size:16px;letter-spacing:-.012em}
.muted{color:var(--muted)}.small{font-size:12px}.tiny{font-size:10px}.strong{font-weight:800}
.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mb-0{margin-bottom:0}.center{text-align:center}

/* Corporate multi-accent metric cards */
.metric{padding:18px 18px 17px;border-top:3px solid var(--blue)}
.grid-4>.metric:nth-child(2){border-top-color:var(--teal)}
.grid-4>.metric:nth-child(3){border-top-color:var(--amber)}
.grid-4>.metric:nth-child(4){border-top-color:var(--violet)}
.metric-top{display:flex;justify-content:space-between;gap:10px;align-items:center}
.metric-label{font-size:11px;color:var(--muted);font-weight:760;text-transform:uppercase;letter-spacing:.055em}
.metric-value{font-size:30px;font-weight:900;letter-spacing:-.045em;margin-top:9px;color:var(--navy)}
[data-theme="dark"] .metric-value{color:var(--text)}
.metric-note{font-size:11px;color:var(--muted);margin-top:5px;line-height:1.45}
.metric-icon{width:39px;height:39px;border-radius:11px;background:#eaf2fb;color:var(--blue);display:grid;place-items:center;font-size:18px;border:1px solid #d8e8f7}
.grid-4>.metric:nth-child(2) .metric-icon{background:#e8f6f3;color:var(--teal);border-color:#d4eee9}
.grid-4>.metric:nth-child(3) .metric-icon{background:#fff3e6;color:var(--amber);border-color:#f5dfc3}
.grid-4>.metric:nth-child(4) .metric-icon{background:#f1edfa;color:var(--violet);border-color:#e5ddf5}
[data-theme="dark"] .metric-icon{background:var(--surface-soft);border-color:var(--line)}

.hero{
  background:
    linear-gradient(115deg,rgba(255,255,255,.04),rgba(255,255,255,0) 45%),
    linear-gradient(120deg,#0b213f 0%,#11325b 57%,#1e5686 100%);
  color:white;border:1px solid rgba(255,255,255,.05);position:relative;overflow:hidden;
  box-shadow:0 20px 45px rgba(11,33,63,.16);padding:25px
}
.hero:before{content:"";position:absolute;left:0;top:0;width:6px;height:100%;background:linear-gradient(var(--gold),#e4c46e)}
.hero:after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-130px;top:-220px;background:radial-gradient(circle,rgba(223,189,106,.30),rgba(223,189,106,0) 69%)}
.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;position:relative;z-index:1}
.hero h1{font-size:35px;line-height:1.08;margin:10px 0 11px;letter-spacing:-.04em;max-width:760px;color:#fff}
.hero p{color:#d0dbea;line-height:1.62;max-width:720px;font-size:14px}
.hero .badge{background:rgba(255,255,255,.09);color:#f8fafc;border-color:rgba(255,255,255,.15)}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.readiness{display:grid;place-items:center;align-content:center;min-height:215px}
.ring{--p:0;width:154px;height:154px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--gold) calc(var(--p)*1%),rgba(255,255,255,.12) 0);position:relative;box-shadow:0 15px 35px rgba(0,0,0,.16)}
.ring:before{content:"";position:absolute;inset:12px;background:#102b4b;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.ring-content{position:relative;text-align:center}
.ring-content strong{font-size:36px;color:#fff}
.ring-content span{display:block;color:#b8c7d9;font-size:9px;text-transform:uppercase;letter-spacing:.13em;font-weight:800}

.btn{border:1px solid var(--line);background:var(--surface);color:var(--text);padding:10px 14px;border-radius:10px;font-weight:780;font-size:12px;transition:.15s;box-shadow:0 1px 2px rgba(15,35,60,.03)}
.btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 7px 18px rgba(15,35,60,.08);border-color:var(--line-strong)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:linear-gradient(180deg,#2a6daf,#1f5c9a);border-color:#1f5c9a;color:white;box-shadow:0 7px 18px rgba(34,100,168,.17)}
.btn.primary:hover:not(:disabled){background:linear-gradient(180deg,#2f76bb,#2264a8)}
.btn.dark{background:var(--navy);border-color:var(--navy);color:white}
.btn.success{background:var(--success);border-color:var(--success);color:white}
.btn.danger{background:var(--danger);border-color:var(--danger);color:white}
.btn.ghost{background:transparent;color:var(--text)}
.btn.white{background:white;border-color:white;color:var(--navy)}
.btn.sm{padding:7px 10px;border-radius:8px;font-size:10px}
.btn.lg{padding:12px 17px;border-radius:11px;font-size:13px}
.btn.block{width:100%}

.badge{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);background:var(--surface-soft);color:var(--muted);padding:5px 8px;border-radius:999px;font-size:9px;font-weight:820;letter-spacing:.02em}
.badge.info{background:#eaf2fb;color:var(--blue);border-color:#d7e7f7}
.badge.success{background:#e9f5ef;color:var(--green);border-color:#d2eadf}
.badge.danger{background:#fbecee;color:var(--red);border-color:#f2d5d9}
[data-theme="dark"] .badge.info,[data-theme="dark"] .badge.success,[data-theme="dark"] .badge.danger{background:var(--surface-soft);border-color:var(--line)}

.notice{border:1px solid var(--line);border-left-width:4px;border-radius:11px;padding:12px 13px;background:var(--surface-soft);font-size:11px;line-height:1.55}
.notice.warning{border-left-color:var(--gold);background:#fffbf2}
[data-theme="dark"] .notice.warning{background:#29271f}
.notice.info{border-left-color:var(--blue);background:#f2f7fc}
.notice.success{border-left-color:var(--teal);background:#f0faf7}
[data-theme="dark"] .notice.info,[data-theme="dark"] .notice.success{background:var(--surface-soft)}

.progress-row{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:16px;margin-bottom:6px}
.progress-row .label{font-size:11px;color:var(--muted);font-weight:700}.progress-row .pct{font-size:11px;font-weight:850}
.progress-bar{height:7px;border-radius:999px;background:#e6ecf2;overflow:hidden}
[data-theme="dark"] .progress-bar{background:#26374b}
.progress-bar span{height:100%;display:block;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--blue-2));transition:width .3s}

.section-list{display:grid;gap:10px;margin-top:13px}
.section-item{padding:12px 13px;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:11px;background:var(--surface-soft)}
.section-item:nth-child(2){border-left-color:var(--teal)}
.section-item:nth-child(3){border-left-color:var(--gold)}
.section-item:nth-child(4){border-left-color:var(--violet)}
.section-item:nth-child(5){border-left-color:var(--amber)}
.section-item:nth-child(6){border-left-color:var(--green)}
.section-item:nth-child(7){border-left-color:var(--red)}
.section-item-top{display:flex;justify-content:space-between;gap:12px;align-items:center}
.section-item-top strong{font-size:11px;line-height:1.35}.section-item-top span{font-size:11px}.section-item small{display:block;color:var(--muted);font-size:9px;margin-top:6px}
.section-item:nth-child(2) .progress-bar span{background:var(--teal)}
.section-item:nth-child(3) .progress-bar span{background:var(--gold)}
.section-item:nth-child(4) .progress-bar span{background:var(--violet)}
.section-item:nth-child(5) .progress-bar span{background:var(--amber)}
.section-item:nth-child(6) .progress-bar span{background:var(--green)}
.section-item:nth-child(7) .progress-bar span{background:var(--red)}

.action-card{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:flex-start;border-top:3px solid var(--blue)}
.grid-3>.action-card:nth-child(2){border-top-color:var(--teal)}
.grid-3>.action-card:nth-child(3){border-top-color:var(--gold)}
.action-card p{margin:6px 0 0;color:var(--muted);font-size:11px;line-height:1.5}
.action-icon{width:42px;height:42px;border-radius:11px;background:#eaf2fb;color:var(--blue);display:grid;place-items:center;font-size:19px;border:1px solid #d7e7f7}
.grid-3>.action-card:nth-child(2) .action-icon{background:#e8f6f3;color:var(--teal);border-color:#d4eee9}
.grid-3>.action-card:nth-child(3) .action-icon{background:#fff6e6;color:var(--gold);border-color:#f1e2bf}
[data-theme="dark"] .action-icon{background:var(--surface-soft)!important;border-color:var(--line)!important}

.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.field label{display:block;font-size:10px;font-weight:800;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.045em}
.field select,.field input,.field textarea{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:10px;padding:10px 11px;outline:none;min-height:42px}
.field textarea{resize:vertical;min-height:110px;line-height:1.5}
.field select:focus,.field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(34,100,168,.11)}

.choice-grid{display:grid;gap:10px;margin-top:18px}
.choice{width:100%;text-align:left;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:12px;padding:14px;display:flex;gap:12px;align-items:flex-start;transition:.14s;box-shadow:0 1px 2px rgba(15,35,60,.02)}
.choice:hover{border-color:#9fb7ce;background:#f8fbfe;transform:translateY(-1px)}
[data-theme="dark"] .choice:hover{background:var(--surface-soft)}
.choice-key{width:29px;height:29px;border-radius:8px;background:#edf3f8;color:var(--navy);border:1px solid #dce6ef;display:grid;place-items:center;font-size:10px;font-weight:900;flex:0 0 auto}
[data-theme="dark"] .choice-key{background:var(--surface-soft);color:var(--text);border-color:var(--line)}
.choice-text{line-height:1.48;font-size:14px}
.choice.selected{border-color:var(--blue);box-shadow:0 0 0 2px rgba(34,100,168,.11);background:#f4f8fc}
[data-theme="dark"] .choice.selected{background:#1a3049}
.choice.selected .choice-key{background:var(--blue);color:#fff;border-color:var(--blue)}
.choice.correct{border-color:var(--green);background:#f2faf6}.choice.incorrect{border-color:var(--red);background:#fdf3f4}
[data-theme="dark"] .choice.correct,[data-theme="dark"] .choice.incorrect{background:var(--surface-soft)}
.choice.correct .choice-key{background:var(--green);color:white;border-color:var(--green)}
.choice.incorrect .choice-key{background:var(--red);color:white;border-color:var(--red)}

.quiz-shell{max-width:1000px;margin:0 auto}
.quiz-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.quiz-top .grow{flex:1}.quiz-top .counter{font-weight:900;font-size:11px;color:var(--muted);background:var(--surface);border:1px solid var(--line);padding:7px 10px;border-radius:999px}
.question-card{padding:25px;border-top:3px solid var(--blue);box-shadow:var(--shadow)}
.question-meta{display:flex;gap:7px;align-items:center;flex-wrap:wrap}
.question-text{font-size:22px;line-height:1.4;letter-spacing:-.018em;margin:18px 0 0;color:var(--navy)}
[data-theme="dark"] .question-text{color:var(--text)}
.question-text .secondary-lang{display:block;font-size:15px;color:var(--muted);font-weight:500;margin-top:9px;line-height:1.48}
.quiz-actions{display:flex;align-items:center;gap:8px;justify-content:space-between;margin-top:17px;padding-top:15px;border-top:1px solid var(--line)}
.quiz-actions .left,.quiz-actions .right{display:flex;gap:8px;flex-wrap:wrap}
.feedback{margin-top:18px;border-top:1px solid var(--line);padding-top:18px}
.feedback-head{display:flex;align-items:center;gap:9px;font-weight:900;color:var(--navy)}
[data-theme="dark"] .feedback-head{color:var(--text)}
.feedback p{font-size:13px;line-height:1.65}
.feedback-tip{padding:12px;border-radius:10px;background:#f3f7fb;border-left:4px solid var(--gold);margin-top:10px}
[data-theme="dark"] .feedback-tip{background:var(--surface-soft)}
.feedback-source{font-size:9px;color:var(--muted);margin-top:11px;text-transform:uppercase;letter-spacing:.04em}

.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px}
.exam-side{position:sticky;top:calc(var(--top) + 18px);align-self:start;border-top:3px solid var(--gold)}
.timer{font-variant-numeric:tabular-nums;font-size:28px;font-weight:900;letter-spacing:-.03em;color:var(--navy)}
[data-theme="dark"] .timer{color:var(--text)}
.qnav{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-top:14px;max-height:360px;overflow:auto}
.qnav button{height:36px;border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:8px;font-size:9px;font-weight:900}
.qnav button.answered{background:#eef5fb;color:var(--blue);border-color:#c9deef}
[data-theme="dark"] .qnav button.answered{background:var(--surface-tint)}
.qnav button.current{outline:2px solid var(--gold);outline-offset:1px;color:var(--navy)}
[data-theme="dark"] .qnav button.current{color:var(--text)}
.qnav button.flagged:after{content:'•';color:var(--red);margin-left:2px}
.exam-mobile-status{display:none}

.result-hero{text-align:center;padding:30px;border-top:4px solid var(--blue)}
.score-big{font-size:64px;font-weight:950;letter-spacing:-.06em;line-height:1;color:var(--navy)}
[data-theme="dark"] .score-big{color:var(--text)}
.score-sub{color:var(--muted);margin-top:8px}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.result-mini{padding:14px;border:1px solid var(--line);border-radius:11px;background:var(--surface-soft);border-top:3px solid var(--blue)}
.result-mini:nth-child(2){border-top-color:var(--teal)}.result-mini:nth-child(3){border-top-color:var(--gold)}
.result-mini strong{display:block;font-size:22px;color:var(--navy)}
[data-theme="dark"] .result-mini strong{color:var(--text)}
.result-mini small{color:var(--muted)}

.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}
.table{width:100%;border-collapse:collapse;min-width:650px;background:var(--surface)}
.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:12px}
.table th{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.08em;background:var(--surface-soft)}
.table tr:last-child td{border-bottom:0}.table td:last-child,.table th:last-child{text-align:right}

.searchbar{display:flex;gap:8px}.searchbar input{flex:1;border:1px solid var(--line);background:var(--surface);color:var(--text);padding:11px 13px;border-radius:10px;outline:none}
.searchbar input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(34,100,168,.10)}
.question-list{display:grid;gap:10px;margin-top:14px}
.question-row{display:grid;grid-template-columns:1fr auto;gap:12px;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:11px;padding:13px;background:var(--surface)}
.question-row:nth-child(4n+2){border-left-color:var(--teal)}.question-row:nth-child(4n+3){border-left-color:var(--gold)}.question-row:nth-child(4n+4){border-left-color:var(--violet)}
.question-row h4{margin:0;font-size:13px;line-height:1.45}.question-row p{margin:6px 0 0;color:var(--muted);font-size:11px}.question-row-actions{display:flex;align-items:center;gap:6px}
.tabs{display:flex;gap:6px;flex-wrap:wrap}.tab{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:8px 11px;font-size:10px;font-weight:800}.tab.active{background:var(--navy);border-color:var(--navy);color:white}
.empty{padding:30px;text-align:center;color:var(--muted)}.empty .emoji{font-size:36px;display:block;margin-bottom:8px}.empty p{font-size:12px;line-height:1.55;max-width:480px;margin:8px auto 0}
.kbd{border:1px solid var(--line);border-bottom-width:2px;background:var(--surface-soft);border-radius:6px;padding:2px 6px;font-size:10px;color:var(--muted)}
.toast{position:fixed;z-index:100;left:50%;bottom:24px;transform:translate(-50%,18px);opacity:0;pointer-events:none;background:var(--navy);color:white;border-radius:10px;padding:11px 15px;font-size:11px;box-shadow:0 14px 38px rgba(0,0,0,.25);transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
.modal-backdrop{position:fixed;z-index:90;inset:0;background:rgba(4,14,27,.68);display:grid;place-items:center;padding:20px;backdrop-filter:blur(3px)}
.modal{width:min(640px,100%);max-height:88vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);padding:22px}
.modal-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.modal-head h3{margin:0}.modal-close{border:1px solid var(--line);background:var(--surface-soft);color:var(--text);border-radius:9px;width:34px;height:34px}.modal-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line)}.toggle-row:last-child{border-bottom:0}.toggle-row strong{display:block;font-size:13px}.toggle-row small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.switch{position:relative;width:46px;height:26px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;inset:0;background:var(--line);border-radius:999px;transition:.2s}.slider:before{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;background:white;border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,.18);transition:.2s}.switch input:checked+.slider{background:var(--teal)}.switch input:checked+.slider:before{transform:translateX(20px)}
.streak{display:flex;gap:6px;align-items:flex-end}.streak span{width:10px;border-radius:4px 4px 2px 2px;background:#e4eaf0}.streak span.on{background:linear-gradient(var(--gold),#d6b458)}
[data-theme="dark"] .streak span{background:#2a3b4f}

/* Give dashboard lower cards distinct corporate identities */
.grid-3>.card:not(.action-card):nth-child(1){border-top:3px solid var(--blue)}
.grid-3>.card:not(.action-card):nth-child(2){border-top:3px solid var(--teal)}
.grid-3>.card:not(.action-card):nth-child(3){border-top:3px solid var(--gold)}

.bottom-nav{display:none}
@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr}.readiness{min-height:auto;justify-content:start;place-items:start}
  .exam-layout{grid-template-columns:1fr}.exam-side{position:static}.exam-side .qnav{max-height:none}.exam-side .desktop-only{display:none}.exam-mobile-status{display:flex;gap:8px;align-items:center}
}
@media (max-width:760px){
  :root{--top:62px;--side:0px}.mobile-only{display:grid}.desktop-only{display:none!important}.app-shell{padding-left:0;padding-bottom:72px}
  .topbar{padding:0 12px;gap:8px}.brand{min-width:0}.brand strong{font-size:13px}.brand small{display:none}.brand-mark{width:36px;height:36px;border-radius:9px}
  .topbar .segmented{display:none}.top-actions{gap:5px}.topbar .select{width:86px;padding:8px}.sidebar{transform:translateX(-102%);transition:.22s;width:276px;box-shadow:16px 0 40px rgba(0,0,0,.25)}.sidebar.open{transform:translateX(0)}
  .view{padding:17px 13px}.bottom-nav{position:fixed;z-index:55;left:0;right:0;bottom:0;height:68px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);grid-template-columns:repeat(5,1fr);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -5px 20px rgba(15,35,60,.06)}
  [data-theme="dark"] .bottom-nav{background:rgba(22,34,50,.97)}
  .bottom-nav button{border:0;background:transparent;color:var(--muted);display:grid;place-items:center;align-content:center;gap:2px}.bottom-nav button span{font-size:18px}.bottom-nav button small{font-size:9px;font-weight:800}.bottom-nav button.active{color:var(--navy)}[data-theme="dark"] .bottom-nav button.active{color:#fff}
  .bottom-nav .primary-nav span{width:39px;height:39px;border-radius:11px;background:linear-gradient(145deg,var(--navy),var(--blue));color:#fff;display:grid;place-items:center;margin-top:-16px;box-shadow:0 9px 22px rgba(11,33,63,.25);border:2px solid #fff}
  [data-theme="dark"] .bottom-nav .primary-nav span{border-color:var(--surface)}
  .page-head{display:block}.page-title{font-size:24px}.head-actions{margin-top:12px}.grid-4,.grid-3,.grid-2,.form-grid{grid-template-columns:1fr}
  .card{border-radius:13px;padding:16px}.hero{padding:19px}.hero h1{font-size:27px}.hero p{font-size:13px}.ring{width:128px;height:128px}.ring-content strong{font-size:31px}
  .question-card{padding:17px}.question-text{font-size:19px}.choice{padding:12px}.choice-text{font-size:13px}.quiz-actions{align-items:stretch;flex-direction:column}.quiz-actions .left,.quiz-actions .right{display:grid;grid-template-columns:repeat(2,1fr)}.quiz-actions .right .btn:last-child{grid-column:1/-1}
  .result-grid{grid-template-columns:1fr}.score-big{font-size:52px}.qnav{grid-template-columns:repeat(8,1fr)}.exam-mobile-status{position:sticky;top:66px;z-index:20;background:var(--bg);padding:6px 0}.question-row{grid-template-columns:1fr}.question-row-actions{justify-content:flex-start}.searchbar{flex-direction:column}
}
@media (max-width:420px){.top-actions .icon-btn{display:none}.qnav{grid-template-columns:repeat(6,1fr)}.quiz-actions .left,.quiz-actions .right{grid-template-columns:1fr 1fr}.btn.lg{padding:12px}.metric-value{font-size:26px}}
@media print{.topbar,.sidebar,.bottom-nav,.btn,.quiz-actions{display:none!important}.app-shell{padding:0}.view{max-width:none;padding:0}.card{box-shadow:none}}
.choice-text .secondary-lang{display:block;color:var(--muted);font-size:12px;font-weight:500;margin-top:5px;line-height:1.42}
@media (max-width:760px){.exam-side .qnav{max-height:245px;overflow:auto}.exam-side{padding:14px}.exam-side .section-item{margin-top:0}}