:root {
  --bg: #0f1220;
  --card: #181c2e;
  --card-2: #1f2440;
  --text: #e8ecff;
  --muted: #9aa3c7;
  --accent: #5b8cff;
  --accent-2: #38d39f;
  --warn: #ffb454;
  --danger: #ff5470;
  --border: #2a3052;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: linear-gradient(135deg, #0a0d1a 0%, #161a2e 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

.container { max-width: 920px; margin: 0 auto; padding: 32px 20px 80px; }

.brand {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px; color: var(--muted); margin-bottom: 20px;
  letter-spacing: .12em; text-transform: uppercase;
}
.brand .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 12px var(--accent-2); }

h1 { font-size: 28px; margin: 0 0 6px; letter-spacing: -.02em; }
h2 { font-size: 20px; margin: 0 0 12px; }
p, label { line-height: 1.55; }
.muted { color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  margin: 16px 0;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
}

.steps { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.steps .step {
  flex: 1 1 0; min-width: 120px;
  background: var(--card-2); border: 1px solid var(--border);
  padding: 10px 12px; border-radius: 10px;
  font-size: 12px; color: var(--muted);
}
.steps .step b { display:block; color: var(--text); font-size: 13px; margin-bottom: 2px; }
.steps .step.active { border-color: var(--accent); color: var(--text); box-shadow: 0 0 0 1px var(--accent) inset; }
.steps .step.done { border-color: var(--accent-2); color: var(--accent-2); }

.field { margin: 14px 0; }
.field label { display:block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; background: #11142a; border: 1px solid var(--border);
  color: var(--text); padding: 12px 14px; border-radius: 10px;
  font-size: 14px; font-family: inherit;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91,140,255,.15);
}
.field textarea { min-height: 140px; resize: vertical; }
.field .hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

.row { display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px){ .row { grid-template-columns: 1fr; } }

.btn {
  display:inline-flex; align-items:center; gap:8px;
  background: var(--accent); color: white; border: none;
  padding: 12px 22px; border-radius: 10px; font-weight: 600;
  cursor: pointer; font-size: 14px;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: var(--card-2); border:1px solid var(--border); color: var(--text); }
.btn.success { background: var(--accent-2); color:#062418; }
.btn.danger { background: var(--danger); }

.alert { padding: 12px 14px; border-radius: 10px; margin: 12px 0; font-size: 14px; }
.alert.error { background: rgba(255,84,112,.12); border:1px solid rgba(255,84,112,.4); color:#ffd2db; }
.alert.warn  { background: rgba(255,180,84,.12);  border:1px solid rgba(255,180,84,.4);  color:#ffe7c9; }
.alert.ok    { background: rgba(56,211,159,.12);  border:1px solid rgba(56,211,159,.4);  color:#c9f3e2; }
.alert.info  { background: rgba(91,140,255,.12);  border:1px solid rgba(91,140,255,.4);  color:#d6e0ff; }

.webcam-wrap { display:flex; gap: 18px; align-items:flex-start; flex-wrap: wrap; }
.webcam-wrap video, .webcam-wrap canvas, .webcam-wrap img.snap {
  width: 320px; height: 240px; background:#000; border-radius: 10px; border:1px solid var(--border);
  object-fit: cover;
}
.webcam-wrap .controls { display:flex; flex-direction:column; gap:10px; }

.no-select {
  user-select: none; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none;
}

.q { padding: 16px 0; border-bottom: 1px dashed var(--border); }
.q:last-child { border-bottom: none; }
.q .qtitle { font-weight: 600; margin-bottom: 8px; }
.q .opt { display:flex; align-items:flex-start; gap: 10px; padding: 8px 10px; border-radius: 8px; cursor:pointer; }
.q .opt:hover { background: rgba(91,140,255,.08); }
.q .opt input { margin-top: 4px; }

.kbd { background:#11142a; border:1px solid var(--border); padding:2px 6px; border-radius:6px; font-family: ui-monospace, Menlo, monospace; font-size: 12px; }

.score-big { font-size: 60px; font-weight: 700; letter-spacing: -.04em; }
.bar { height: 8px; background:#11142a; border-radius: 999px; overflow: hidden; border:1px solid var(--border); }
.bar > span { display:block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

table.tbl { width:100%; border-collapse: collapse; font-size: 14px; }
table.tbl th, table.tbl td { text-align:left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
table.tbl th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }

.center { text-align:center; }
.flex-between { display:flex; justify-content:space-between; align-items:center; }
.gap-sm { display:flex; gap: 8px; }

.mobile-block {
  display:none; padding: 60px 20px; text-align:center; max-width: 600px; margin: 80px auto;
  background: var(--card); border-radius: 14px; border:1px solid var(--border);
}
@media (max-width: 1023px) { .mobile-block { display:block; } .container { display:none; } }
@media (pointer: coarse) and (hover: none) { .mobile-block { display:block; } .container { display:none; } }

.tz-display { font-family: ui-monospace, Menlo, monospace; font-size: 18px; padding:14px; background:#11142a; border-radius:10px; border:1px solid var(--border); }

.code-input { letter-spacing: .5em; font-size: 22px !important; text-align:center; text-transform: uppercase; }