:root {
  --bg: #0a0e17;
  --card: #111827;
  --border: #1f2937;
  --accent: #00e5ff;
  --accent2: #7c3aed;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --danger: #ef4444;
  --success: #22c55e;
  --warn: #f59e0b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, sans-serif;
  background: linear-gradient(135deg, #020617 0%, #0f172a 50%, #0a0e17 100%);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }

/* Nav */
#main-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.6); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 50;
}
.nav-brand { font-weight: 900; letter-spacing: .8px; font-size: 20px; color: var(--accent); }
.nav-links a { margin-left: 16px; font-weight: 600; color: var(--muted); }
.nav-links a:hover { color: var(--accent); }

/* Page transitions */
.page { animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px);} to { opacity: 1; transform: translateY(0);} }

.container { max-width: 1200px; margin: 24px auto; padding: 0 24px; }
.card {
  background: rgba(17, 24, 39, 0.55); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px; backdrop-filter: blur(12px); box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
h1 { font-size: clamp(24px, 3.4vw, 44px); line-height: 1.1; margin-bottom: 10px; }
.subtitle { color: var(--muted); margin-top: 6px; }

/* Forms */
.form-group { margin-bottom: 16px; }
label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
.consent-label { display:flex; align-items:center; gap:10px; font-weight:600; color:var(--text); cursor:pointer; }
.consent-label input { width:auto; }
input, textarea, select {
  width: 100%; background: rgba(2, 6, 23, 0.55); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 12px;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15); }

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #000;
  border: none; padding: 12px 18px; border-radius: 12px; font-weight: 800; cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.1); transform: translateY(1px); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; filter: grayscale(.3); }
.btn-secondary {
  background: rgba(255,255,255,0.05); color: var(--text); border: 1px solid var(--border);
  padding: 12px 18px; border-radius: 12px; font-weight: 700; cursor: pointer;
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-approve { background: var(--success); color:#000; border:none; padding:10px 14px; border-radius:10px; font-weight:800; cursor:pointer; }
.btn-reject { background: var(--danger); color:#fff; border:none; padding:10px 14px; border-radius:10px; font-weight:800; cursor:pointer; }

/* Warning */
.warning-box {
  background: rgba(239, 68, 68, 0.08); border: 1px solid rgba(239, 68, 68, 0.35); color: #fecaca;
  border-radius: 14px; padding: 18px; margin-bottom: 18px;
}

/* Timer */
.timer-container { margin: 24px 0; }
.timer { font-size: 96px; font-weight: 900; color: var(--accent); text-align: center; letter-spacing: 4px; }
.progress-bar { height: 10px; background: var(--border); border-radius: 999px; overflow: hidden; margin-top: 14px; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); width: 0%; transition: width 1s linear; }

/* Scan page */
.scan-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.webcam-container { position: relative; background: #000; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); }
video { width: 100%; display: block; }
.scan-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.wireframe {
  width: 220px; height: 260px; border: 2px dashed rgba(0,229,255,0.5); border-radius: 24px;
  display: flex; align-items: center; justify-content: center; background: rgba(0,229,255,0.04);
}
.wireframe-text { color: var(--accent); font-weight: 700; text-align: center; padding: 10px; }
.scan-instructions { background: rgba(2, 6, 23, 0.55); padding: 14px; border-top: 1px solid var(--border); }
.scan-instructions ol { margin-left: 18px; color: var(--muted); }
.scan-instructions li { margin: 6px 0; }

.analysis-sidebar { background: rgba(17,24,39,0.6); border:1px solid var(--border); border-radius:14px; padding:16px; }
.analysis-item { display:flex; justify-content:space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }
.analysis-status { font-weight: 700; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.analysis-status.active { background: rgba(34,197,94,0.15); color: var(--success); border:1px solid rgba(34,197,94,0.35); }
.analysis-status.pending { background: rgba(245,158,11,0.12); color: var(--warn); border:1px solid rgba(245,158,11,0.3); }
.image-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 10px; }
.image-slot { aspect-ratio: 3/4; background: rgba(2,6,23,0.55); border:1px dashed var(--border); border-radius:10px; display:flex; align-items:center; justify-content:center; color: var(--muted); font-size: 12px; }
.image-slot.captured { border-style: solid; border-color: var(--success); background-size: cover; background-position: center; }

/* Modal */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.65); display:flex; align-items:center; justify-content:center; z-index: 100;
  backdrop-filter: blur(6px);
}
.modal-content {
  background: linear-gradient(135deg, #0b1220, #0f172a); border:1px solid var(--border); border-radius:16px; padding:22px; width: 420px; max-width: 92vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-content.large { width: 780px; }
.error-msg { color: var(--danger); margin-top: 8px; font-size: 13px; min-height: 18px; }

/* Status page */
.status-card { text-align: center; padding: 40px; }
.status-icon { font-size: 80px; margin-bottom: 16px; }

/* Admin */
.admin-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin: 18px 0; }
.stat-card { background: rgba(2,6,23,0.55); border:1px solid var(--border); border-radius:12px; padding:16px; text-align:center; }
.stat-card h3 { font-size: 32px; color: var(--accent); }
.submissions-table { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th, td { text-align:left; padding:12px 10px; border-bottom:1px solid var(--border); color: var(--muted); }
th { color: #6b7280; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
tr:hover td { background: rgba(255,255,255,0.02); }
.badge { padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; display: inline-block; }
.badge-pending { background: rgba(245,158,11,0.15); color: var(--warn); border:1px solid rgba(245,158,11,0.35); }
.badge-approved { background: rgba(34,197,94,0.12); color: var(--success); border:1px solid rgba(34,197,94,0.3); }
.badge-rejected { background: rgba(239,68,68,0.1); color: var(--danger); border:1px solid rgba(239,68,68,0.3); }

/* Misc */
.action-buttons { margin-top: 18px; display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 16px 0; }
.detail-grid img { width: 100%; border-radius: 10px; border: 1px solid var(--border); }
.submission-details { background: rgba(2,6,23,0.55); border:1px solid var(--border); border-radius:12px; padding:14px; margin-top: 14px; text-align:left; color: var(--muted); }
@media (max-width: 860px) { .scan-layout { grid-template-columns: 1fr; } .admin-stats { grid-template-columns: repeat(2,1fr);} }