:root{--bg:#f3f7f4;--surface:#fff;--text:#163126;--muted:#6b7d73;--primary:#0c6b43;--primary2:#095334;--gold:#d4a72c;--red:#d73a49;--yellow:#e0a800;--green:#1f9d62;--border:#dce7e0;--shadow:0 10px 28px rgba(15,68,43,.08);--radius:18px}*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}body{margin:0;background:linear-gradient(180deg,#edf7f1 0,#f7faf8 260px,var(--bg) 100%);min-height:100vh}a{color:var(--primary);text-decoration:none}button,input,select,textarea{font:inherit}.topbar{height:74px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100vw - 1220px)/2));border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:44px;height:44px;border-radius:13px;background:#e5f3eb;display:grid;place-items:center;font-size:24px;overflow:hidden}.brand-logo img{width:100%;height:100%;object-fit:contain}.brand strong,.brand small{display:block}.brand small{color:var(--muted);font-size:11px;margin-top:2px}.nav{display:flex;align-items:center;gap:7px}.nav a,.link-btn{border:0;background:none;color:#29473a;padding:9px 10px;border-radius:9px;cursor:pointer}.nav a:hover,.link-btn:hover{background:#eff7f2}.menu-toggle{display:none;background:none;border:0;font-size:25px}.inline-form{display:inline}.container{max-width:1220px;margin:0 auto;padding:28px 20px 60px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin:5px 0 20px}.section-head h1,.section-head h2{margin:2px 0 5px}.section-head p{margin:0;color:var(--muted)}h1{font-size:clamp(26px,3vw,38px);line-height:1.15}h2{font-size:20px}.eyebrow{font-size:11px;letter-spacing:.14em;font-weight:800;color:var(--primary);text-transform:uppercase}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin-bottom:20px}.panel.narrow,.narrow{max-width:820px;margin-left:auto;margin-right:auto}.auth-wrap{min-height:calc(100vh - 135px);display:grid;place-items:center}.auth-card{width:min(430px,100%);background:white;border:1px solid var(--border);border-radius:24px;padding:34px;box-shadow:var(--shadow);text-align:center}.auth-card h1{font-size:27px;margin:6px 0}.auth-icon{font-size:42px}.muted{color:var(--muted)}.center{text-align:center}.small{font-size:13px}.form-grid{display:grid;gap:15px}.form-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.form-grid label{font-size:13px;font-weight:700;color:#385247;display:flex;flex-direction:column;gap:7px}.form-grid input,.form-grid select,.form-grid textarea{width:100%;border:1px solid #ccdcd3;background:#fbfdfc;border-radius:11px;padding:11px 12px;color:var(--text);outline:none}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:#56a27b;box-shadow:0 0 0 3px rgba(12,107,67,.1)}.span-2{grid-column:span 2}.form-grid .check{flex-direction:row;align-items:center;align-self:center}.form-grid .check input{width:auto}.actions,.row-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--primary);background:var(--primary);color:white;border-radius:11px;padding:10px 14px;font-weight:800;cursor:pointer;line-height:1.1}.btn:hover{background:var(--primary2)}.btn.primary{background:var(--primary)}.btn.ghost{background:white;color:var(--primary);border-color:#b9d3c5}.btn.warning{background:#fff8e2;color:#8a6100;border-color:#e9ca69}.btn.danger{background:#fff1f2;color:#a51929;border-color:#efb4bc}.btn.small{font-size:12px;padding:7px 9px;border-radius:8px}.btn.wide{width:100%}.alert{padding:13px 15px;border-radius:12px;margin-bottom:18px;border:1px solid}.alert.success{background:#e9f8ef;border-color:#bce7cd;color:#165c37}.alert.error{background:#fff0f1;border-color:#f2c1c7;color:#922232}.stat-grid,.monitor-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:20px}.stat{background:white;border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.stat span,.stat strong{display:block}.stat span{color:var(--muted);font-size:12px;font-weight:700}.stat strong{font-size:28px;margin-top:7px}.stat .small-strong{font-size:14px}.table-wrap{overflow:auto}.table-wrap table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:11px 10px;border-bottom:1px solid #e7efea;text-align:left;vertical-align:top}th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:#668075;background:#f8fbf9}td{font-size:13px}.question-cell{max-width:420px}.badge{display:inline-block;padding:5px 8px;border-radius:999px;font-size:11px;font-weight:800}.badge.ok{background:#e5f6ec;color:#12613a}.badge.off{background:#eff2f0;color:#617068}.badge.practice{background:#fff4cf;color:#795a00}.participant-card{padding:24px;background:linear-gradient(135deg,#0c6b43,#124d36);color:white;border-radius:22px;box-shadow:var(--shadow);margin-bottom:24px}.participant-card h1{margin:6px 0 20px}.participant-card .eyebrow{color:#d8eaa8}.identity-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.identity-grid span{background:rgba(255,255,255,.1);padding:11px;border-radius:12px;font-size:12px}.identity-grid b{display:block;color:#cfdfd6;font-size:10px;margin-bottom:4px;text-transform:uppercase}.exam-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.exam-card{background:white;border:1px solid var(--border);border-radius:17px;padding:19px;display:flex;flex-direction:column;gap:18px;justify-content:space-between;box-shadow:var(--shadow)}.exam-card h3{margin:9px 0 3px}.exam-card p{color:var(--muted);margin:0 0 8px}.empty{padding:30px;background:white;border:1px dashed #b9cfc3;border-radius:14px;color:var(--muted)}.hidden{display:none!important}.logo-preview img{width:130px;height:130px;object-fit:contain;border:1px solid var(--border);border-radius:14px;padding:8px}.winner-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.winner{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:10px;padding:11px;border-bottom:1px solid #e8efeb}.winner>b{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#f8edc6;color:#6d5300}.winner strong,.winner small{display:block}.winner small{color:var(--muted);margin-top:3px}.winner-score{text-align:right;font-weight:900;font-size:18px}.winner-score small{font-family:ui-monospace,monospace;font-size:11px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.result-wrap{min-height:70vh;display:grid;place-items:center}.result-card{width:min(700px,100%);text-align:center;background:white;border:1px solid var(--border);border-radius:24px;padding:35px;box-shadow:var(--shadow)}.result-icon{margin:auto;width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:#e5f6ec;color:var(--primary);font-size:34px;font-weight:900}.score-big{font-size:64px;font-weight:900;color:var(--primary);line-height:1;margin:24px 0 3px}.score-hidden{padding:24px;margin:20px 0;background:#f4f7f5;border-radius:14px}.result-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:28px 0}.result-grid div{padding:13px;background:#f6faf7;border-radius:13px}.result-grid b,.result-grid span{display:block}.result-grid span{font-size:10px;color:var(--muted);margin-top:4px}
/* Exam UI */.exam-body{background:#eef4f0;overflow-x:hidden}.exam-main{max-width:none;padding:0}.exam-shell{min-height:100vh}.exam-header{position:sticky;top:0;z-index:80;min-height:88px;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:20px;padding:11px 24px;background:#103d2d;color:white;box-shadow:0 7px 25px rgba(0,0,0,.14)}.exam-ident strong,.exam-ident small{display:block}.exam-ident .eyebrow{color:#d7e9a3}.exam-ident small{opacity:.75;margin-top:4px}.exam-timer-wrap{text-align:center}.exam-timer-wrap small{font-size:10px;letter-spacing:.13em;color:#bdd2c7}.exam-timer{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(30px,5vw,52px);font-weight:900;letter-spacing:.04em;line-height:1}.exam-timer.danger-time{color:#ffd0d5;animation:pulse 1s infinite}.focus-btn{background:#fff;color:#124d36;border-color:#fff}.violation-warning{position:fixed;top:98px;left:50%;transform:translate(-50%,-12px);z-index:120;background:#fff0d5;color:#825b00;border:1px solid #ebca70;border-radius:13px;padding:12px 16px;box-shadow:var(--shadow);opacity:0;transition:.2s;max-width:min(650px,90vw)}.violation-warning.show{opacity:1;transform:translate(-50%,0)}.exam-layout{display:grid;grid-template-columns:275px 1fr;gap:18px;max-width:1360px;margin:auto;padding:20px}.question-nav{background:white;border:1px solid var(--border);border-radius:18px;padding:16px;align-self:start;position:sticky;top:108px}.nav-title{display:flex;justify-content:space-between;font-size:12px;margin-bottom:12px}.number-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.qnum{aspect-ratio:1;border:0;border-radius:9px;font-weight:900;cursor:pointer}.qnum.empty{background:#fee7e8;color:#9b1c2a}.qnum.skipped{background:#fff0bd;color:#7f5b00}.qnum.answered{background:#dff5e8;color:#0d6b3d}.qnum.active{outline:3px solid #173d2e;outline-offset:2px}.legend{display:grid;gap:7px;margin-top:18px;font-size:11px;color:#6f8077}.legend span{display:flex;align-items:center;gap:7px}.lg{width:11px;height:11px;border-radius:3px}.lg.green{background:#dff5e8}.lg.yellow{background:#fff0bd}.lg.red{background:#fee7e8}.question-stage{min-width:0}.question-card{background:white;border:1px solid var(--border);border-radius:20px;padding:clamp(20px,4vw,38px);box-shadow:var(--shadow);min-height:460px}.question-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;border-bottom:1px solid #e9f0ec;padding-bottom:12px}.question-meta b{color:var(--primary)}.question-text{font-size:clamp(18px,2vw,24px);line-height:1.55;font-weight:700;margin:25px 0}.q-media,.q-video{display:block;max-width:min(100%,760px);max-height:420px;object-fit:contain;margin:18px auto;border-radius:14px;background:#f1f3f2}.q-audio{width:min(100%,650px);display:block;margin:18px auto}.answer-list{display:grid;gap:11px}.answer-option{display:grid;grid-template-columns:auto 38px 1fr;align-items:center;gap:10px;border:1px solid #d9e4de;border-radius:14px;padding:13px;cursor:pointer;transition:.15s}.answer-option:hover{border-color:#83b59c;background:#f8fcf9}.answer-option:has(input:checked){border-color:#4e9e75;background:#edf8f2}.answer-option input{width:18px;height:18px}.option-key{width:32px;height:32px;border-radius:9px;background:#eaf3ee;display:grid;place-items:center;font-weight:900}.matching-list{display:grid;gap:10px}.match-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:center;padding:12px;background:#f8fbf9;border-radius:12px}.match-row select{width:100%;padding:10px;border:1px solid #cbdcd3;border-radius:9px}.save-state{font-size:11px;color:var(--muted);margin-top:18px}.exam-actions{display:flex;gap:8px;align-items:center;justify-content:flex-end;padding:15px 0;flex-wrap:wrap}.exam-actions form{margin:0}.exam-actions .btn:disabled{opacity:.4;cursor:not-allowed}@keyframes pulse{50%{opacity:.65}}
@media(max-width:900px){.menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;right:15px;left:15px;background:white;border:1px solid var(--border);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-open .nav{display:flex}.nav a,.link-btn{width:100%;text-align:left}.stat-grid,.monitor-summary{grid-template-columns:repeat(2,1fr)}.form-grid.three{grid-template-columns:1fr 1fr}.identity-grid{grid-template-columns:repeat(2,1fr)}.exam-grid{grid-template-columns:1fr 1fr}.exam-header{grid-template-columns:1fr auto}.focus-btn{display:none}.exam-layout{grid-template-columns:1fr}.question-nav{position:static}.number-grid{grid-template-columns:repeat(10,1fr)}.question-stage{order:-1}}
@media(max-width:620px){.container{padding:18px 12px 45px}.brand small{display:none}.form-grid.two,.form-grid.three{grid-template-columns:1fr}.span-2{grid-column:span 1}.stat-grid,.monitor-summary{grid-template-columns:1fr 1fr}.exam-grid,.winner-grid{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.identity-grid{grid-template-columns:1fr 1fr}.result-grid{grid-template-columns:1fr 1fr}.exam-header{padding:9px 12px;min-height:78px}.exam-ident strong{max-width:165px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.exam-ident small{font-size:10px}.exam-timer{font-size:28px}.exam-layout{padding:10px}.question-card{border-radius:15px;padding:18px;min-height:380px}.question-nav{padding:12px}.number-grid{grid-template-columns:repeat(8,1fr);gap:5px}.qnum{border-radius:7px;font-size:11px}.match-row{grid-template-columns:1fr}.exam-actions{display:grid;grid-template-columns:1fr 1fr}.exam-actions .btn,.exam-actions form,.exam-actions form .btn{width:100%}.score-big{font-size:52px}}@media print{.topbar,.row-actions,.btn,.exam-actions{display:none!important}.container{max-width:none;padding:0}.panel{box-shadow:none;border:0;padding:0}.winner-grid{grid-template-columns:1fr 1fr}.table-wrap{overflow:visible}table{min-width:0!important}body{background:white}}

/* Finish protection / high-confidence submit state */
.finish-area{display:flex;align-items:center;gap:10px;margin-left:6px}.finish-area small{max-width:250px;color:var(--muted);font-size:10px;line-height:1.35}.finish-area small.ready{color:#14633b;font-weight:800}.btn.finish-locked{background:#eef1ef!important;color:#7b8982!important;border-color:#cbd4cf!important;box-shadow:none!important;filter:none!important}.btn.finish-ready{background:#b42335!important;color:#fff!important;border-color:#b42335!important;box-shadow:0 0 0 4px rgba(180,35,53,.10),0 8px 20px rgba(180,35,53,.16)}.btn.finish-processing{background:#344a40!important;color:#fff!important;border-color:#344a40!important}.finish-warning{position:fixed;top:100px;left:50%;transform:translate(-50%,-12px);z-index:130;background:#fff0f1;color:#922232;border:1px solid #f2c1c7;border-radius:13px;padding:12px 16px;box-shadow:var(--shadow);opacity:0;transition:.2s;max-width:min(760px,92vw);font-weight:800}.finish-warning.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:620px){.finish-area{grid-column:1/-1;display:grid;grid-template-columns:1fr;margin-left:0}.finish-area small{max-width:none;text-align:center}.finish-area .btn{width:100%}}
.participant-result-mini{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:14px;padding-top:12px;border-top:1px solid #e4ece7}.participant-result-mini span{font-size:11px}.participant-result-mini b{display:block;color:var(--muted);font-size:9px;text-transform:uppercase;margin-bottom:3px}@media(max-width:620px){.participant-result-mini{grid-template-columns:1fr 1fr}}