:root {
  --primary: #0f6e5f;
  --primary-dark: #0a5347;
  --accent: #1897a3;
  --bg: #f2f5f4;
  --card: #ffffff;
  --text: #1e2a28;
  --muted: #647873;
  --ok: #1a8f4c;
  --warn: #c98a13;
  --danger: #c2372c;
  --border: #dfe7e4;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--primary-dark), var(--primary));
  color: #eafaf5;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
}

.sidebar .brand {
  padding: 0 20px 20px;
  font-size: 18px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,.15);
  margin-bottom: 10px;
}
.sidebar .brand small { display:block; font-weight: 400; opacity: .75; font-size: 12px; margin-top: 4px; }

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: #d9f2ea;
  font-size: 14px;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255,255,255,.08); text-decoration: none; }
.sidebar nav a.active {
  background: rgba(255,255,255,.14);
  border-left-color: #ffffff;
  font-weight: 600;
  color: #fff;
}
.sidebar .spacer { flex: 1; }
.sidebar .user-box {
  padding: 14px 20px;
  border-top: 1px solid rgba(255,255,255,.15);
  font-size: 13px;
}
.sidebar .user-box .logout-link { color: #ffd7d0; }

.main {
  flex: 1;
  min-width: 0;
  padding: 24px 28px 60px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.topbar h1 { font-size: 20px; margin: 0; }
.topbar .sub { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* ---------- Card ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.card h2 { font-size: 16px; margin: 0 0 14px; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Stat cards ---------- */
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat-card .num { font-size: 26px; font-weight: 700; color: var(--primary-dark); }
.stat-card .label { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* ---------- Forms ---------- */
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: #33443f; }
input[type=text], input[type=password], input[type=search], input[type=date], select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.field { margin-bottom: 14px; }
.help-text { font-size: 12px; color: var(--muted); margin-top: 4px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.secondary { background: #fff; color: var(--primary-dark); border-color: var(--border); }
.btn.secondary:hover { background: #f0f5f3; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #a02c22; }
.btn.block { width: 100%; justify-content: center; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.ok { background: #e2f6ea; color: var(--ok); }
.badge.warn { background: #fbedd2; color: var(--warn); }
.badge.danger { background: #fbe3e0; color: var(--danger); }
.badge.muted { background: #eef2f1; color: var(--muted); }

/* ---------- Alerts ---------- */
.alert {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert.ok { background: #e2f6ea; color: #14653a; border-color: #bfe9cf; }
.alert.warn { background: #fbedd2; color: #8a5c05; border-color: #f2d89a; }
.alert.danger { background: #fbe3e0; color: #8f281e; border-color: #f4c1bb; }
.alert.info { background: #e4f2f6; color: #145367; border-color: #bfe0ea; }

/* ---------- Table ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { background: #f5f8f7; font-weight: 700; color: #33443f; }
tr:hover td { background: #fafcfb; }

.pagination { display: flex; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.pagination a, .pagination span {
  padding: 6px 11px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; color: var(--text);
}
.pagination a:hover { background: #f0f5f3; text-decoration: none; }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- Login page ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark), var(--accent));
}
.login-card {
  width: 360px;
  background: #fff;
  border-radius: 14px;
  padding: 30px 28px;
  box-shadow: 0 14px 40px rgba(0,0,0,.25);
}
.login-card h1 { font-size: 19px; margin: 0 0 4px; }
.login-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }

/* ---------- Face capture ---------- */
.cam-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
  border-radius: 10px;
  overflow: hidden;
  background: #0b1210;
  aspect-ratio: 4 / 3;
}
.cam-wrap video, .cam-wrap canvas, .cam-wrap img.captured-preview {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.cam-wrap video { transform: scaleX(-1); }
.cam-wrap canvas { transform: scaleX(-1); pointer-events: none; }
.cam-status {
  position: absolute; bottom: 8px; left: 8px; right: 8px;
  background: rgba(0,0,0,.55); color: #fff; font-size: 12px;
  padding: 6px 10px; border-radius: 6px;
}
.cam-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

.result-box { margin-top: 16px; padding: 16px; border-radius: 10px; border: 1px solid var(--border); }
.result-box.ok { border-color: #bfe9cf; background: #f2fbf5; }
.result-box.warn { border-color: #f2d89a; background: #fdf7ea; }
.result-box.danger { border-color: #f4c1bb; background: #fdf1ef; }
.result-box .name { font-size: 18px; font-weight: 700; }
.result-box dl { display: grid; grid-template-columns: 120px 1fr; gap: 4px 10px; margin: 10px 0 0; font-size: 13.5px; }
.result-box dt { color: var(--muted); }

.text-muted { color: var(--muted); }
.mt-0 { margin-top: 0; }
.small { font-size: 12.5px; }