:root{
  --red:#DB1A1A;
  --soft:#FFF6F6;
  --mint:#8CC7C4;
  --blue:#2C687B;
  --text:#263238;
  --muted:#6b7780;
  --line:#e8dada;
  --white:#fff;
  --shadow:0 18px 45px rgba(44,104,123,.12);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(135deg,var(--soft),#fff);color:var(--text);line-height:1.55}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,246,246,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px clamp(16px,4vw,48px)}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}.brand:hover{text-decoration:none}.brand img{width:52px;height:52px;object-fit:contain;border-radius:12px;background:var(--red);box-shadow:0 6px 18px rgba(219,26,26,.22)}.brand span{display:flex;flex-direction:column;line-height:1.05}.brand small{color:var(--muted);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:11px;margin-top:4px}
.nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.nav a{font-weight:700}.nav-user{font-size:14px;color:var(--muted);border-left:1px solid var(--line);padding-left:14px}
.container{width:min(1180px,calc(100% - 28px));margin:28px auto 64px}.footer{border-top:1px solid var(--line);padding:20px clamp(16px,4vw,48px);display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap;color:var(--muted);font-size:14px;background:#fff}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;padding:34px;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero:before{content:"";position:absolute;inset:auto -90px -120px auto;width:320px;height:320px;border-radius:50%;background:rgba(140,199,196,.3)}.hero h1{font-size:clamp(32px,5vw,58px);line-height:1.05;margin:0 0 16px;color:var(--red)}.hero p{font-size:18px;color:var(--muted);max-width:700px}.hero-card{background:linear-gradient(145deg,var(--red),#b71212);color:#fff;border-radius:24px;padding:28px;box-shadow:0 20px 50px rgba(219,26,26,.28)}.hero-card img{width:110px;height:110px;object-fit:contain;background:#fff;border-radius:24px;padding:8px;margin-bottom:18px}.hero-card h2{margin:0 0 8px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:20px}.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px}.card-header h1,.card-header h2,.card-header h3{margin:0}.muted{color:var(--muted)}.small{font-size:13px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{padding:20px;border-radius:18px;background:var(--soft);border:1px solid var(--line)}.stat strong{font-size:32px;color:var(--blue);display:block}.stat span{color:var(--muted);font-weight:700}.feature{border:1px dashed rgba(44,104,123,.3);background:linear-gradient(180deg,#fff,var(--soft));padding:20px;border-radius:18px}.feature h3{margin-top:0;color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:999px;border:1px solid transparent;font-weight:800;cursor:pointer;text-decoration:none;transition:.2s;background:#fff}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--red);color:#fff;box-shadow:0 10px 20px rgba(219,26,26,.2)}.btn-primary:hover{color:#fff}.btn-secondary{background:var(--blue);color:#fff}.btn-secondary:hover{color:#fff}.btn-soft{background:var(--soft);border-color:var(--line);color:var(--red)}.btn-outline{border-color:var(--blue);color:var(--blue);background:#fff}.btn-danger{background:#b00020;color:#fff}.btn-sm{padding:7px 12px;font-size:13px}.btn-block{width:100%}
.form{display:grid;gap:16px}.form-row{display:grid;gap:8px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}label{font-weight:800}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 14px;font:inherit;background:#fff;color:var(--text)}textarea{min-height:110px;resize:vertical}input:focus,textarea:focus,select:focus{outline:3px solid rgba(140,199,196,.45);border-color:var(--blue)}.help{font-size:13px;color:var(--muted)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}table{border-collapse:collapse;width:100%;background:#fff;min-width:720px}th,td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--soft);color:var(--blue);font-size:13px;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:none}.actions{display:flex;gap:8px;flex-wrap:wrap}
.badge{display:inline-flex;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:900;border:1px solid transparent}.badge-success{background:#e7f8f2;color:#0d7a4b}.badge-warning{background:#fff2c9;color:#7a5200}.badge-danger{background:#ffe4e4;color:#a70000}.badge-muted{background:#edf1f2;color:#607178}.badge-info{background:#e5f6f7;color:var(--blue)}
.alert{padding:13px 16px;border-radius:14px;margin-bottom:16px;font-weight:700;border:1px solid}.alert-success{background:#e7f8f2;color:#0d7a4b;border-color:#bce8d4}.alert-danger{background:#ffe4e4;color:#a70000;border-color:#ffc2c2}.alert-warning{background:#fff5d7;color:#7a5200;border-color:#ffe299}.alert-info{background:#e9f8fa;color:var(--blue);border-color:#c8e9ed}
.exam-shell{display:grid;grid-template-columns:1fr 320px;gap:20px}.exam-sidebar{position:sticky;top:92px;align-self:start}.timer{font-size:34px;font-weight:900;color:var(--red);text-align:center;padding:16px;background:var(--soft);border-radius:18px}.question-card{padding:20px;border:1px solid var(--line);border-radius:18px;margin-bottom:16px;background:#fff}.question-card h3{margin-top:0}.option{display:flex;gap:10px;align-items:flex-start;padding:10px;border:1px solid var(--line);border-radius:14px;margin:8px 0;cursor:pointer}.option:hover{background:var(--soft)}.option input{width:auto;margin-top:5px}.camera-box{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#102027;color:#fff}.camera-box video{width:100%;display:block;background:#111;aspect-ratio:4/3;object-fit:cover}.camera-status{padding:10px 12px;font-size:13px;background:rgba(44,104,123,.9)}.progress-dots{display:flex;gap:6px;flex-wrap:wrap}.dot{width:28px;height:28px;border-radius:50%;background:var(--soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--muted)}.dot.answered{background:var(--mint);color:#0c3b45;border-color:var(--mint)}
.copy-field{display:flex;gap:8px}.copy-field input{font-size:13px}.logo-preview{width:86px;height:86px;border-radius:18px;object-fit:contain;background:var(--red);padding:4px}.empty{padding:28px;text-align:center;color:var(--muted);background:var(--soft);border-radius:18px;border:1px dashed var(--line)}.snapshot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.snapshot-grid img{width:100%;border-radius:12px;border:1px solid var(--line)}
@media(max-width:900px){.hero,.grid-2,.grid-3,.grid-4,.form-grid,.exam-shell{grid-template-columns:1fr}.topbar{align-items:flex-start}.nav{justify-content:flex-end}.exam-sidebar{position:static}.hero{padding:24px}.container{width:min(100% - 20px,1180px)}}
@media(max-width:640px){.topbar{position:static;display:block}.brand{margin-bottom:12px}.nav{justify-content:flex-start}.card{padding:16px}.hero h1{font-size:34px}.timer{font-size:28px}.footer{display:block}.footer span{display:block;margin:4px 0}.copy-field{display:block}.copy-field .btn{margin-top:8px;width:100%}}
@media print{.topbar,.footer,.btn,.exam-sidebar{display:none}.container{width:100%;margin:0}.card{box-shadow:none;border:none}}