:root {
  --bg: #0b1220;
  --surface: #111a2b;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --primary: #60a5fa;
  --primary-dark: #3b82f6;
  --border: #243247;
  --danger: #ef4444;
  --success: #22c55e;
  --shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  text-decoration: none;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
}

.brand {
  font-weight: 700;
  color: var(--primary);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
}

.nav-link.active {
  color: var(--primary);
  border-color: var(--primary);
  background: #182239;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-chip {
  display: flex;
  flex-direction: column;
  background: #172138;
  border: 1px solid #2a3f66;
  border-radius: 10px;
  padding: 6px 10px;
  line-height: 1.2;
}

.page {
  max-width: 1200px;
  margin: 18px auto;
  padding: 0 16px 20px;
}

.center-page {
  min-height: 80vh;
  display: grid;
  place-items: center;
}

.center-card {
  text-align: center;
  width: min(560px, 100%);
}

.auth-page {
  min-height: 82vh;
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(500px, 100%);
}

.dashboard-grid {
  display: grid;
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 16px;
}

.card h1,
.card h2,
.card h3 {
  margin-top: 0;
}

.muted {
  color: var(--muted);
}

.label {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.profile-grid,
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.form-grid.two-col {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.95rem;
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  background: #0d1526;
  color: var(--text);
}

input::placeholder,
textarea::placeholder {
  color: #8191a8;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(96, 165, 250, 0.3);
  border-color: var(--primary);
}

.btn {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn:hover {
  background: var(--primary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
}

.btn-small {
  font-size: 0.85rem;
  padding: 6px 9px;
  border-radius: 8px;
}

.fingerprint-btn {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 3px solid var(--primary);
  background: radial-gradient(circle at 50% 45%, #1a2a46, #0d1528);
  color: #c7ddff;
  font-weight: 700;
  margin: 14px auto;
  display: grid;
  place-items: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.2), inset 0 0 24px rgba(96, 165, 250, 0.16);
}

.fingerprint-btn.checked-in {
  border-color: var(--success);
  color: #86efac;
  background: radial-gradient(circle at 50% 45%, #153428, #0e241c);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.24), inset 0 0 26px rgba(34, 197, 94, 0.18);
}

.fingerprint-rings {
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(191, 219, 254, 0.55);
  box-shadow: inset 0 0 10px rgba(147, 197, 253, 0.15);
}

.ring-1 {
  width: 100%;
  height: 100%;
}

.ring-2 {
  width: 78%;
  height: 78%;
}

.ring-3 {
  width: 56%;
  height: 56%;
}

.ring-4 {
  width: 34%;
  height: 34%;
}

.fingerprint-label {
  position: relative;
  z-index: 1;
  margin-top: 110px;
  font-size: 0.94rem;
  letter-spacing: 0.2px;
}

.fingerprint-btn.checked-in .ring {
  border-color: rgba(134, 239, 172, 0.55);
  box-shadow: inset 0 0 10px rgba(34, 197, 94, 0.18);
}

.attendance-card {
  text-align: center;
}

.table-wrap {
  width: 100%;
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
  font-size: 0.92rem;
}

th {
  background: #162136;
  color: #cbd5e1;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 3px 8px;
}

.badge.ok {
  color: #86efac;
  background: rgba(34, 197, 94, 0.18);
}

.badge.warn {
  color: #facc15;
  background: rgba(250, 204, 21, 0.2);
}

.badge.no {
  color: #fda4af;
  background: rgba(244, 63, 94, 0.2);
}

.actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.form-actions {
  display: flex;
  gap: 8px;
  grid-column: 1 / -1;
  flex-wrap: wrap;
}

.page-message {
  position: fixed;
  right: 16px;
  bottom: 16px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--primary);
  box-shadow: var(--shadow);
}

.page-message.error {
  background: var(--danger);
}

.page-message.success {
  background: var(--success);
}

.hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .app-header {
    flex-wrap: wrap;
  }

  .top-nav {
    order: 3;
    width: 100%;
  }

  .header-right {
    margin-left: auto;
  }

  .page {
    padding: 0 10px 18px;
  }

  .fingerprint-btn {
    width: 160px;
    height: 160px;
  }

  .fingerprint-label {
    margin-top: 96px;
  }
}