:root{--bg:#f5f2eb;--surface:#fffdf9;--surface2:#f0ece4;--text:#171717;--muted:#6f6b63;--line:#ded8cc;--orange:#e7772d;--orange2:#f39a5c;--danger:#b83b32;--success:#28744d;--shadow:0 18px 55px rgba(20,18,15,.08);--radius:18px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}button{cursor:pointer}.shell{min-height:100vh}.topbar{height:76px;border-bottom:1px solid var(--line);background:rgba(245,242,235,.92);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 5vw;position:sticky;top:0;z-index:20}.brand{display:flex;gap:12px;align-items:center;font-weight:700;letter-spacing:-.02em}.brand-mark{width:38px;height:38px;border:1px solid var(--text);border-radius:12px;display:grid;place-items:center;font-size:12px}.brand small{display:block;color:var(--muted);font-size:10px;font-weight:500;margin-top:2px}.top-actions{display:flex;gap:10px;align-items:center}.btn{border:1px solid var(--text);background:var(--text);color:#fff;border-radius:12px;padding:11px 15px;font-weight:600}.btn:hover{transform:translateY(-1px)}.btn.ghost{background:transparent;color:var(--text);border-color:var(--line)}.btn.orange{background:var(--orange);border-color:var(--orange)}.btn.danger{background:var(--danger);border-color:var(--danger)}.btn.small{padding:8px 11px;font-size:12px}.page{width:min(1180px,90vw);margin:0 auto;padding:50px 0 70px}.hero{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:stretch;margin-bottom:28px}.hero-card,.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:40px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--orange);font-weight:700}.hero h1{font-size:clamp(34px,5vw,62px);line-height:.98;letter-spacing:-.055em;margin:15px 0}.hero p{color:var(--muted);line-height:1.7;max-width:680px}.hero-side{padding:26px;display:flex;flex-direction:column;justify-content:space-between}.statline{display:flex;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line)}.statline:last-child{border-bottom:0}.statline span:last-child{font-weight:700}.auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.card{padding:26px}.card h2,.card h3{margin-top:0;letter-spacing:-.03em}.form{display:grid;gap:14px}.field{display:grid;gap:7px}.field label{font-size:12px;font-weight:600;color:var(--muted)}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 13px;outline:none;color:var(--text)}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(231,119,45,.1)}.muted{color:var(--muted)}.link{color:var(--orange);font-weight:700;cursor:pointer}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.section-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:34px 0 16px}.section-head h2{margin:0}.exam-card{padding:22px}.exam-card h3{margin:0 0 8px}.exam-meta{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0;color:var(--muted);font-size:12px}.pill{display:inline-flex;padding:6px 9px;border-radius:999px;background:var(--surface2);border:1px solid var(--line);font-size:11px;font-weight:600}.pill.active,.pill.pass{background:#e8f3ed;color:var(--success);border-color:#c9e4d4}.pill.fail{background:#f9e9e7;color:var(--danger);border-color:#efc8c3}.dashboard-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.dashboard-head h1{margin:5px 0;font-size:42px;letter-spacing:-.05em}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.table{width:100%;border-collapse:collapse;min-width:700px}.table th,.table td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}.table th{background:var(--surface2);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.table tr:last-child td{border-bottom:0}.toolbar{display:flex;gap:10px;flex-wrap:wrap}.toolbar input{border:1px solid var(--line);background:var(--surface);border-radius:11px;padding:10px 12px;min-width:220px}.admin-layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 76px)}.sidebar{border-right:1px solid var(--line);padding:26px 16px;background:rgba(255,253,249,.55)}.side-btn{width:100%;text-align:left;border:0;background:transparent;padding:11px 12px;border-radius:10px;margin-bottom:5px;color:var(--muted);font-weight:600}.side-btn.active,.side-btn:hover{background:var(--surface2);color:var(--text)}.admin-main{padding:34px 4vw;min-width:0}.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.kpi{padding:20px}.kpi .num{font-size:30px;font-weight:700;letter-spacing:-.04em;margin-top:8px}.admin-section{margin-top:24px}.modal-backdrop{position:fixed;inset:0;background:rgba(20,18,15,.48);display:grid;place-items:center;padding:20px;z-index:50}.modal{width:min(760px,100%);max-height:90vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:0 30px 100px rgba(0,0,0,.2);padding:25px}.modal-head{display:flex;justify-content:space-between;gap:20px;align-items:start}.icon-btn{border:1px solid var(--line);background:transparent;border-radius:10px;width:36px;height:36px}.question{padding:24px;border:1px solid var(--line);background:var(--surface);border-radius:16px;margin-bottom:16px}.question-title{font-weight:700;line-height:1.6;margin-bottom:18px}.option{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:13px;margin:8px 0;cursor:pointer}.option:hover{border-color:var(--orange)}.option input{accent-color:var(--orange);margin-top:3px}.exam-top{display:flex;justify-content:space-between;align-items:center;gap:20px;position:sticky;top:76px;background:var(--bg);padding:16px 0;z-index:10}.timer{font-weight:800;font-size:20px;color:var(--orange)}.center{max-width:850px;margin:0 auto}.result-box{text-align:center;padding:45px}.score{font-size:64px;font-weight:800;letter-spacing:-.06em}.empty{padding:35px;text-align:center;color:var(--muted)}.toast{position:fixed;right:20px;bottom:20px;z-index:100;background:var(--text);color:#fff;padding:13px 16px;border-radius:12px;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:translateY(0)}.hidden{display:none!important}.danger-text{color:var(--danger)}.success-text{color:var(--success)}.small-text{font-size:12px}.stack{display:grid;gap:10px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.footer{border-top:1px solid var(--line);padding:24px 5vw;color:var(--muted);font-size:12px}@media(max-width:900px){.hero,.auth-grid,.admin-layout{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line);display:flex;overflow:auto;gap:5px;padding:10px}.side-btn{min-width:max-content;margin:0}.kpis{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.admin-main{padding:25px 5vw}}@media(max-width:620px){.topbar{padding:0 4vw}.top-actions .ghost{display:none}.page{width:92vw;padding-top:30px}.hero-card{padding:27px}.hero h1{font-size:42px}.grid-3,.grid-2,.two-col{grid-template-columns:1fr}.dashboard-head{display:block}.dashboard-head h1{font-size:34px}.kpis{grid-template-columns:1fr 1fr}.kpi .num{font-size:25px}.card{padding:20px}.exam-top{top:76px}.exam-top .btn{padding:9px}.table{min-width:650px}}.exam-files{margin:0 0 18px;padding:22px}.exam-files h3{margin:5px 0}.exam-file-list{display:grid;gap:10px;margin-top:15px}.exam-file{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:var(--surface2)}.file-icon{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;font-weight:800}.file-info{display:grid;gap:3px;flex:1;min-width:0}.file-info b{overflow:hidden;text-overflow:ellipsis}.attachment-rows{display:grid;gap:10px}.attachment-row{display:grid;grid-template-columns:.8fr 1.5fr auto;gap:10px;align-items:end;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--surface2)}.attachment-admin{border-top:1px solid var(--line);padding-top:12px}.attachment-admin .section-head{align-items:center}@media(max-width:620px){.attachment-row{grid-template-columns:1fr}.exam-file{align-items:flex-start}.exam-file .btn{margin-left:auto}}

/* =========================
   HOME REDESIGN
   ========================= */
.home-page{width:min(1280px,92vw);margin:0 auto;padding:42px 0 70px}.home-hero{min-height:calc(100vh - 160px);display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center;padding:35px 3vw 55px}.home-copy{max-width:700px}.home-kicker{display:flex;align-items:center;gap:9px;text-transform:uppercase;letter-spacing:.13em;font-size:11px;font-weight:700;color:var(--muted);margin-bottom:25px}.home-dot{width:7px;height:7px;border-radius:50%;background:var(--orange);display:inline-block}.home-copy h1{font-size:clamp(48px,6.4vw,86px);line-height:.94;letter-spacing:-.065em;margin:0 0 25px;font-weight:700}.home-copy h1 span{color:var(--muted)}.home-copy>p{font-size:16px;line-height:1.75;color:var(--muted);max-width:590px;margin:0 0 30px}.home-actions{display:flex;align-items:center;gap:25px}.home-actions .btn{padding:13px 22px;border-radius:10px}.home-text-btn{border:0;background:none;padding:10px 0;color:var(--text);font-weight:700}.home-text-btn span{color:var(--orange);margin-left:7px}.home-note{display:flex;align-items:center;gap:12px;margin-top:48px;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em}.home-note span{color:var(--text);font-weight:800}.home-note i{width:24px;height:1px;background:var(--line);display:block}.home-visual{position:relative;min-height:500px;display:flex;align-items:center;justify-content:center}.visual-label{position:absolute;top:20px;left:5px;font-size:10px;letter-spacing:.16em;color:var(--orange);font-weight:800}.visual-card{width:min(520px,100%);background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:28px;transform:rotate(-1.5deg)}.visual-top{display:flex;justify-content:space-between;align-items:start;padding-bottom:25px;border-bottom:1px solid var(--line)}.mini-label{display:block;color:var(--muted);font-size:9px;letter-spacing:.13em;margin-bottom:7px}.visual-top strong{font-size:24px;letter-spacing:-.04em}.status-mark{font-size:9px;letter-spacing:.1em;font-weight:800;border:1px solid #c9e4d4;border-radius:99px;padding:6px 9px;color:var(--success);background:#e8f3ed}.metric-row{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:28px 0 20px}.metric-row span{display:block;color:var(--muted);font-size:11px;margin-bottom:7px}.metric-row b{font-size:32px;letter-spacing:-.05em}.chart{height:165px;position:relative;overflow:hidden;margin:8px 0 18px;border-bottom:1px solid var(--line)}.chart-grid{position:absolute;inset:0;background:repeating-linear-gradient(to bottom,transparent 0,transparent 40px,var(--line) 41px)}.chart-line{position:absolute;inset:20px 0 0;display:flex;align-items:flex-end;justify-content:space-around}.chart-line i{display:block;width:10px;border-radius:7px 7px 0 0;background:var(--orange);opacity:.88}.chart-line i:nth-child(1){height:28%}.chart-line i:nth-child(2){height:43%}.chart-line i:nth-child(3){height:38%}.chart-line i:nth-child(4){height:58%}.chart-line i:nth-child(5){height:52%}.chart-line i:nth-child(6){height:75%}.chart-line i:nth-child(7){height:92%}.visual-bottom{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px}.visual-tag{position:absolute;right:0;bottom:25px;display:flex;align-items:center;gap:9px;font-weight:800;font-size:13px}.visual-tag span{font-size:9px;color:var(--muted);letter-spacing:.1em;font-weight:600}.home-strip{display:grid;grid-template-columns:1fr 1fr 1fr 1.15fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.home-strip>div{padding:25px 28px;border-right:1px solid var(--line)}.home-strip>div:last-child{border-right:0}.strip-index{display:block;color:var(--orange);font-size:10px;font-weight:800;margin-bottom:16px}.home-strip b{font-size:14px}.home-strip p{color:var(--muted);font-size:12px;line-height:1.6;margin:7px 0 0}.home-admin{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:9px}.home-admin span{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.home-admin button{border:0;background:none;padding:0;font-weight:700;color:var(--text)}@media(max-width:900px){.home-hero{grid-template-columns:1fr;gap:35px;min-height:auto;padding-top:20px}.home-copy{max-width:800px}.home-visual{min-height:440px}.home-strip{grid-template-columns:1fr 1fr}.home-strip>div:nth-child(2){border-right:0}.home-strip>div:nth-child(-n+2){border-bottom:1px solid var(--line)}}@media(max-width:620px){.home-page{width:92vw;padding-top:20px}.home-hero{padding:25px 0 45px;gap:20px}.home-copy h1{font-size:47px}.home-copy>p{font-size:14px}.home-note{flex-wrap:wrap;gap:9px;margin-top:35px}.home-note i{width:15px}.home-visual{min-height:350px;padding-top:35px}.visual-card{padding:20px;border-radius:18px}.visual-top strong{font-size:21px}.metric-row b{font-size:27px}.chart{height:125px}.visual-tag{bottom:3px;font-size:11px}.visual-tag span{font-size:7px}.home-strip{grid-template-columns:1fr}.home-strip>div{border-right:0!important;border-bottom:1px solid var(--line)}.home-strip>div:last-child{border-bottom:0}.home-actions{gap:20px}}

/* Home v4 — student entry only */
.home-entry{display:grid;gap:14px;align-content:center;min-width:0}
.entry-card{width:100%;display:grid;grid-template-columns:44px 1fr 28px;gap:18px;align-items:center;text-align:left;padding:24px 22px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.62);color:var(--text);cursor:pointer;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.entry-card:hover{transform:translateY(-2px);border-color:rgba(235,111,22,.5);box-shadow:0 14px 35px rgba(16,16,16,.07)}
.entry-primary{background:var(--card);border-color:rgba(235,111,22,.32)}
.entry-number{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--muted);align-self:start;padding-top:3px}
.entry-content{display:grid;gap:5px;min-width:0}
.entry-content small{font-size:10px;letter-spacing:.16em;font-weight:700;color:var(--accent)}
.entry-content strong{font-size:20px;letter-spacing:-.02em}
.entry-content em{font-size:13px;line-height:1.5;color:var(--muted);font-style:normal}
.entry-arrow{font-size:22px;color:var(--accent);justify-self:end}
.home-page .home-hero{grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr);align-items:stretch;gap:70px}
@media(max-width:800px){.home-page .home-hero{grid-template-columns:1fr;gap:30px}.entry-card{padding:20px 18px}.entry-content strong{font-size:18px}}

/* Portfolio-matched header */
:root{--portfolio-orange:#ff5a00;--header-bg:#f5f2eb;--header-text:#171717;--header-muted:#77736b;--header-line:#ded8cc}
body.dark-mode{--bg:#050505;--surface:#0d0d0d;--surface2:#151515;--text:#f7f7f5;--muted:#a5a5a0;--line:#292929;--orange:#ff5a00;--orange2:#ff7b36;--header-bg:#050505;--header-text:#f7f7f5;--header-muted:#9a9a95;--header-line:#242424;--shadow:0 18px 55px rgba(0,0,0,.24)}
.topbar{height:76px;background:var(--header-bg);border-bottom:1px solid var(--header-line);padding:0 max(5vw,28px);gap:28px}
.brand{gap:12px;min-width:245px;color:var(--header-text)}
.brand-logo{width:42px;height:42px;object-fit:contain;display:block}
.brand-name{font-size:16px;font-weight:750;letter-spacing:-.03em;white-space:nowrap}
.brand-name small{display:block;color:var(--header-muted);font-size:9px;font-weight:600;letter-spacing:.12em;margin-top:3px}
.site-nav{display:flex;align-items:center;justify-content:center;gap:32px;flex:1}
.site-nav button,.site-nav a{appearance:none;border:0;background:none;color:var(--header-muted);font-size:14px;font-weight:550;text-decoration:none;padding:8px 0;white-space:nowrap;transition:color .2s,transform .2s}
.site-nav button:hover,.site-nav a:hover{color:var(--header-text);transform:translateY(-1px)}
.top-actions{gap:10px;flex-wrap:nowrap;white-space:nowrap}
.circle-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--header-line);background:transparent;color:var(--header-text);display:grid;place-items:center;font-size:12px;font-weight:750;padding:0}
.circle-btn:hover{border-color:var(--header-text);transform:translateY(-1px)}
.theme-btn{font-size:18px;line-height:1}
.connect-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:48px;min-width:154px;height:48px;padding:0 22px;border-radius:999px;background:var(--header-text);color:var(--header-bg);font-size:14px;font-weight:750;text-decoration:none;transition:transform .2s,opacity .2s}
.connect-btn:hover{transform:translateY(-1px);opacity:.92}
body.dark-mode .connect-btn{background:#f7f7f5;color:#090909}
body.dark-mode .btn{border-color:#f7f7f5;background:#f7f7f5;color:#090909}
body.dark-mode .btn.ghost{background:transparent;color:#f7f7f5;border-color:#444}
body.dark-mode .btn.orange{background:#ff5a00;border-color:#ff5a00;color:#090909}
.home-page{background:var(--bg)}
@media(max-width:1120px){.site-nav{gap:20px}.connect-btn{margin-left:16px;min-width:136px}.brand{min-width:220px}}
@media(max-width:900px){.topbar{height:auto;min-height:76px;padding:12px 5vw;flex-wrap:wrap}.brand{min-width:0}.site-nav{order:3;width:100%;overflow:auto;justify-content:flex-start;padding-top:4px;gap:24px}.top-actions{margin-left:auto}.connect-btn{display:none}}
@media(max-width:620px){.topbar{padding:11px 4vw}.brand-logo{width:38px;height:38px}.brand-name{font-size:14px}.brand-name small{font-size:8px}.top-actions{gap:7px}.circle-btn{width:38px;height:38px}.top-actions>.btn{display:none}.site-nav{gap:18px}.site-nav button,.site-nav a{font-size:12px}}
.question-files{margin:18px 0;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--surface2)}.question-files>.small-text{font-weight:700;margin-bottom:10px}.question-files .exam-file-list{margin-top:0}.question-files .exam-file{background:var(--surface)}

/* Professional result presentation */
.result-page{padding-top:58px}.result-shell{max-width:980px;margin:0 auto}.result-header{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px}.result-header h1{font-size:clamp(34px,5vw,56px);line-height:1;letter-spacing:-.055em;margin:8px 0}.result-status{display:inline-flex;align-items:center;gap:9px;padding:10px 14px;border:1px solid var(--line);border-radius:999px;font-size:12px;font-weight:800;white-space:nowrap}.result-status.is-pass{color:var(--success);background:#e8f3ed;border-color:#c9e4d4}.result-status.is-fail{color:var(--danger);background:#f9e9e7;border-color:#efc8c3}.status-dot{width:8px;height:8px;border-radius:50%;background:currentColor}.result-hero{display:grid;grid-template-columns:300px 1fr;gap:55px;align-items:center;padding:42px 48px;overflow:hidden;position:relative}.result-hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-120px;top:-120px;border:1px solid var(--line);opacity:.55}.score-ring{width:230px;height:230px;border-radius:50%;display:grid;place-items:center;margin:auto;background:conic-gradient(var(--orange) var(--score),var(--surface2) 0);position:relative}.score-ring:before{content:"";position:absolute;inset:10px;border-radius:50%;background:var(--surface);border:1px solid var(--line)}.score-ring-inner{position:relative;z-index:1;text-align:center;display:grid;gap:3px}.score-ring-inner strong{font-size:46px;letter-spacing:-.06em;line-height:1}.score-ring-inner span{font-size:11px;text-transform:uppercase;letter-spacing:.13em;color:var(--muted);font-weight:700}.result-summary{max-width:560px}.result-summary h2{font-size:clamp(24px,3vw,38px);line-height:1.08;letter-spacing:-.045em;margin:10px 0 14px}.result-summary p{line-height:1.7;max-width:520px}.result-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}.result-metric{padding:22px}.result-metric span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:700;margin-bottom:10px}.result-metric strong{font-size:28px;letter-spacing:-.04em}.result-metric small{font-size:13px;color:var(--muted);font-weight:600}.result-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.result-actions .btn{min-width:170px}@media(max-width:760px){.result-header{display:block}.result-status{margin-top:14px}.result-hero{grid-template-columns:1fr;gap:25px;padding:30px 24px;text-align:center}.result-summary{margin:auto}.result-metrics{grid-template-columns:1fr}.result-actions{justify-content:stretch;flex-direction:column}.result-actions .btn{width:100%}.score-ring{width:200px;height:200px}.score-ring-inner strong{font-size:40px}}

/* =========================================
   ADMIN + STUDENT UX v2
   ========================================= */
.admin-layout{width:min(1440px,94vw);margin:0 auto;display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;padding:28px 0 70px;min-height:calc(100vh - 160px)}
.sidebar{position:sticky;top:96px;height:max-content;padding:10px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--shadow);display:grid;gap:6px}
.side-btn{border:0;background:transparent;color:var(--muted);padding:13px 14px;border-radius:13px;text-align:left;font-weight:700;cursor:pointer;transition:.2s}
.side-btn:hover{background:var(--surface2);color:var(--text)}.side-btn.active{background:var(--text);color:var(--bg)}
.admin-main{min-width:0}.admin-main .dashboard-head{margin-bottom:22px}.admin-main .dashboard-head h1{font-size:clamp(34px,4vw,58px)}
.admin-section{margin-top:18px}.admin-section .card{min-height:150px}.kpis{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.kpi{position:relative;overflow:hidden}.kpi:after{content:"";position:absolute;right:-24px;bottom:-34px;width:100px;height:100px;border:1px solid var(--line);border-radius:50%}.kpi .muted{font-size:11px;text-transform:uppercase;letter-spacing:.1em}.kpi .num{font-size:36px;font-weight:800;letter-spacing:-.05em;margin-top:12px}.admin-main .table-wrap{border-radius:16px}.admin-main .table th{font-size:10px;text-transform:uppercase;letter-spacing:.08em}.admin-main .table td{vertical-align:middle}.admin-main .actions{flex-wrap:wrap}
.exam-card{display:flex;flex-direction:column;min-height:245px}.exam-card-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px}.exam-card .btn{margin-top:auto;width:100%}.device-badge{display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border:1px solid rgba(255,90,0,.3);border-radius:999px;color:var(--orange);font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap}.switch-field{display:flex;gap:12px;align-items:flex-start;padding:14px 15px;border:1px solid var(--line);border-radius:14px;background:var(--surface2);cursor:pointer}.switch-field input{width:18px;height:18px;margin-top:2px;accent-color:var(--orange)}.switch-field span{display:grid;gap:4px}.switch-field small{color:var(--muted);line-height:1.45}
.device-warning{text-align:center;max-width:560px;margin:auto;padding:8px 5px}.device-warning-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;display:grid;place-items:center;background:rgba(255,90,0,.1);color:var(--orange);font-size:28px;border:1px solid rgba(255,90,0,.25)}.device-warning h2{font-size:clamp(26px,4vw,38px);line-height:1.08;letter-spacing:-.04em;margin:8px 0 14px}.device-warning p{line-height:1.7}.device-warning-points{display:grid;gap:8px;text-align:left;margin:22px 0;padding:15px;border:1px solid var(--line);border-radius:15px;background:var(--surface2)}.device-warning-points span{font-size:12px;color:var(--muted)}.device-warning .actions{justify-content:center}
.student-dashboard{max-width:1180px}.student-hero{display:grid;grid-template-columns:1fr 310px;gap:24px;align-items:stretch;margin-bottom:18px}.student-hero h1{font-size:clamp(40px,6vw,72px);line-height:.94;letter-spacing:-.06em;margin:8px 0 18px}.student-hero h1 span{color:var(--muted)}.student-id-card{border:1px solid var(--line);border-radius:22px;background:var(--surface);padding:24px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--shadow)}.student-id-card span,.student-stat span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:800}.student-id-card b{font-size:27px;letter-spacing:-.03em;margin:9px 0}.student-id-card small,.student-stat small{color:var(--muted);font-size:11px}.student-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0 42px}.student-stat{padding:22px;display:grid;gap:7px}.student-stat b{font-size:34px;letter-spacing:-.05em}.dashboard-section-head{margin-top:0;margin-bottom:16px}.student-exams{margin-bottom:46px}.results-card{overflow:hidden}
.modal{max-height:90vh;overflow:auto}.modal .form{gap:14px}
@media(max-width:1050px){.admin-layout{grid-template-columns:1fr}.sidebar{position:sticky;top:76px;z-index:10;display:flex;overflow:auto;padding:7px;border-radius:16px}.side-btn{white-space:nowrap;padding:10px 13px}.kpis{grid-template-columns:repeat(2,1fr)}.admin-main{min-width:0}.student-hero{grid-template-columns:1fr 260px}}
@media(max-width:720px){.admin-layout{width:92vw;padding-top:18px}.kpis{grid-template-columns:1fr 1fr}.student-hero{grid-template-columns:1fr}.student-id-card{padding:18px}.student-stats{grid-template-columns:1fr;margin-bottom:32px}.student-stat{padding:18px}.student-stat b{font-size:29px}.dashboard-section-head{display:block}.dashboard-section-head>span{display:block;margin-top:6px}.exam-card{min-height:220px}.admin-main .dashboard-head{display:flex;flex-direction:column;gap:14px}.admin-main .dashboard-head .btn{width:100%}.admin-main .card{padding:17px}.modal{width:94vw;max-height:88vh}.switch-field{padding:13px}}
@media(max-width:520px){.kpis{grid-template-columns:1fr 1fr;gap:9px}.kpi{padding:15px}.kpi .num{font-size:27px}.sidebar{top:69px}.side-btn{font-size:12px}.student-hero h1{font-size:43px}.student-id-card b{font-size:23px}.table{min-width:700px}.device-badge{font-size:8px;padding:5px 7px}.device-warning{padding:0}.device-warning h2{font-size:27px}}

/* One-question exam flow */
.exam-progress{padding:15px 18px;margin-bottom:16px}.exam-progress>div:first-child{display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:12px}.exam-progress b{color:var(--text)}.progress-track{height:7px;background:var(--surface2);border-radius:999px;overflow:hidden;margin-top:10px}.progress-track span{display:block;height:100%;background:var(--orange);border-radius:999px;transition:width .25s ease}.exam-question{min-height:390px}.exam-question .options{display:grid;gap:10px;margin-top:24px}.exam-question .option{margin:0;cursor:pointer}.exam-navigation{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;margin-top:16px}.exam-nav-center{text-align:center;display:grid;gap:4px;color:var(--muted);font-size:12px}.exam-nav-center small{font-size:11px;line-height:1.4}.exam-footer-actions{display:flex;justify-content:space-between;gap:10px;margin-top:12px}.exam-review{padding:28px;max-width:900px;margin:0 auto}.exam-review h1{font-size:clamp(30px,5vw,48px);letter-spacing:-.05em;margin:8px 0}.review-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0}.review-stats>div{padding:18px;border:1px solid var(--line);border-radius:15px;background:var(--surface2);display:grid;gap:4px}.review-stats b{font-size:28px}.review-stats span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.review-warning,.review-ready{display:grid;gap:4px;padding:16px;border-radius:15px;margin-bottom:18px;border:1px solid var(--line);background:var(--surface2)}.review-warning{border-color:rgba(255,90,0,.35)}.review-ready{border-color:rgba(70,160,100,.3)}.review-warning span,.review-ready span{font-size:12px;color:var(--muted)}.review-question-list{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-bottom:20px}.review-question{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:13px;padding:13px 14px;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;text-align:left;cursor:pointer}.review-question span{font-weight:800;font-size:12px}.review-question strong{font-size:12px}.review-question em{font-style:normal;font-weight:900}.review-question.is-missing{border-color:rgba(255,90,0,.4)}.review-question.is-missing em{color:var(--orange)}.review-question.is-answered em{color:var(--success)}.exam-actions{justify-content:flex-end}.exam-actions .btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
@media(max-width:620px){.exam-progress>div:first-child{align-items:flex-start;flex-direction:column;gap:4px}.exam-question{min-height:0;padding:18px}.exam-navigation{grid-template-columns:1fr 1fr}.exam-nav-center{grid-column:1/-1;grid-row:1;text-align:left;margin-bottom:3px}.exam-navigation .btn:first-child{grid-column:1}.exam-navigation .btn:last-child{grid-column:2}.exam-footer-actions{flex-direction:column}.exam-footer-actions .btn{width:100%}.exam-review{padding:20px}.review-stats,.review-question-list{grid-template-columns:1fr}.exam-actions{display:flex;flex-direction:column}.exam-actions .btn{width:100%}}

/* Student account management + polished device warning */
.copy-id{display:inline-flex;align-items:center;gap:8px;border:0;background:transparent;color:inherit;padding:5px 8px;margin:-5px -8px;border-radius:9px;text-align:left}.copy-id:hover{background:var(--surface2)}.copy-id span{font-size:12px;color:var(--muted);opacity:.65}.copy-id:hover span{opacity:1;color:var(--orange)}
.account-id-label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:800}.account-id{display:flex;align-items:center;justify-content:space-between;gap:15px;width:100%;margin:8px 0 6px;padding:13px 14px;border:1px solid var(--line);border-radius:13px;background:var(--surface2);color:var(--text);text-align:left}.account-id strong{font-size:23px;letter-spacing:-.03em}.account-id span{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--orange);font-weight:800}.student-account-card .actions{flex-wrap:wrap}.security-note{display:grid;gap:5px;padding:14px 15px!important;background:var(--surface2)!important}.security-note span{font-size:12px;line-height:1.5;color:var(--muted)}
.device-warning{max-width:590px;padding:10px 8px 4px}.device-warning-icon{width:74px;height:74px;margin:0 auto 18px;border-radius:22px;display:grid;place-items:center;background:var(--surface2);color:var(--orange);font-size:31px;border:1px solid rgba(231,119,45,.28);box-shadow:0 12px 35px rgba(20,18,15,.07)}.device-warning-icon span{display:block;transform:translateY(-1px)}.device-warning h2{font-size:clamp(28px,4vw,42px);line-height:1.02;letter-spacing:-.045em;margin:8px 0 13px}.device-warning p{max-width:500px;margin:0 auto;line-height:1.7}.device-warning-points{gap:0;text-align:left;margin:22px 0 12px;padding:0;overflow:hidden;background:var(--surface);border:1px solid var(--line)}.device-warning-points span{display:flex;align-items:center;gap:12px;padding:13px 15px;font-size:12px;border-bottom:1px solid var(--line)}.device-warning-points span:last-child{border-bottom:0}.device-warning-points b{display:grid;place-items:center;min-width:26px;height:26px;border-radius:8px;background:var(--surface2);color:var(--orange);font-size:9px}.device-warning-note{padding:12px 14px;border-radius:12px;background:rgba(231,119,45,.07);border:1px solid rgba(231,119,45,.18);font-size:11px;color:var(--muted);line-height:1.5;margin-bottom:18px}.device-warning .actions{justify-content:center}.device-warning .actions .btn{min-width:210px}
@media(max-width:620px){.account-id strong{font-size:20px}.student-account-card .actions .btn{flex:1;min-width:145px}.device-warning{padding:2px 0}.device-warning-icon{width:64px;height:64px;border-radius:18px}.device-warning h2{font-size:29px}.device-warning-points span{padding:12px}.device-warning .actions .btn{width:100%;min-width:0}}

/* Exam scheduling */
.exam-schedule{display:grid;gap:3px;margin:16px 0 14px;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface2);font-size:11px}.exam-schedule b{font-size:11px}.exam-schedule span{color:var(--muted)}.exam-schedule.scheduled{border-color:rgba(231,119,45,.3);background:rgba(231,119,45,.05)}.exam-card.is-scheduled .btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.schedule-cell{display:grid;gap:3px;min-width:150px}.schedule-cell b{font-size:11px}.schedule-cell span{font-size:10px;color:var(--muted)}.schedule-box{padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--surface2);display:grid;gap:10px}.schedule-box h3{margin:0;font-size:16px}.schedule-preview{padding:10px 12px;border-radius:11px;background:var(--surface);border:1px dashed var(--line);font-size:11px;line-height:1.7;color:var(--muted)}.schedule-preview b{color:var(--text)}

.phone-link{color:inherit;text-decoration:none}.phone-link:hover{text-decoration:underline}

/* V7: bulk Excel question import */
.import-help{margin:14px 0;padding:16px;background:var(--surface2)}
.import-help ol{margin:10px 0 0;padding-left:20px}
.import-help li{margin:6px 0}

/* V8: professional error dialog + richer admin analytics */
.error-backdrop{background:rgba(0,0,0,.62);backdrop-filter:blur(7px);animation:errorFade .16s ease}.error-modal{width:min(500px,100%);text-align:center;padding:34px 34px 28px;border-radius:24px;box-shadow:0 35px 120px rgba(0,0,0,.34);transform:translateY(8px) scale(.98);animation:errorPop .18s ease forwards}.error-icon{width:66px;height:66px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;background:rgba(255,90,0,.11);border:1px solid rgba(255,90,0,.28);color:var(--orange);font-size:30px;font-weight:900;box-shadow:0 10px 35px rgba(255,90,0,.08)}.error-modal h2{margin:7px 0 10px;font-size:30px;letter-spacing:-.045em}.error-message{margin:0 auto;max-width:390px;color:var(--muted);line-height:1.65;font-size:13px}.error-actions{display:flex;justify-content:center;margin-top:24px}.error-actions .btn{min-width:140px}.modal-backdrop.show .error-modal{transform:translateY(0) scale(1)}@keyframes errorFade{from{opacity:0}to{opacity:1}}@keyframes errorPop{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.kpi-label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.11em;font-weight:800}.kpi small{display:block;color:var(--muted);font-size:10px;margin-top:7px}.admin-kpis,.results-kpis{grid-template-columns:repeat(3,minmax(0,1fr))}.insight-card h3{margin:6px 0 16px}.metric-list{display:grid;gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}.metric-list>div{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);font-size:12px}.metric-list>div:last-child{border-bottom:0}.metric-list span{color:var(--muted)}.metric-list b{font-size:14px}.results-kpis{margin-bottom:18px}.results-kpis .kpi,.admin-kpis .kpi{min-height:132px;display:flex;flex-direction:column;justify-content:center}.results-kpis .num,.admin-kpis .num{margin-top:9px}@media(max-width:1050px){.admin-kpis,.results-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.admin-kpis,.results-kpis{grid-template-columns:1fr 1fr}.error-modal{padding:28px 22px 24px}.error-modal h2{font-size:26px}.error-icon{width:58px;height:58px;border-radius:17px}}