/* ===== CyberShield Design Tokens ===== */
:root {
  --bg: #050810;
  --bg-elevated: #0b1220;
  --bg-elevated-2: #101a2c;
  --bg-input: #0d1626;
  --border: #1c2b42;
  --border-soft: #16253a;

  --primary: #1B4A6B;
  --accent: #2E8BC0;
  --highlight: #4FC3E8;
  --glow: #8ED8F0;

  --text: #E8F4FA;
  --text-muted: #7C93AD;
  --text-faint: #4C6178;

  --success: #34d399;
  --success-bg: rgba(52, 211, 153, 0.12);
  --success-border: rgba(52, 211, 153, 0.4);

  --warning: #fbbf24;
  --warning-bg: rgba(251, 191, 36, 0.12);
  --warning-border: rgba(251, 191, 36, 0.4);

  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.12);
  --danger-border: rgba(248, 113, 113, 0.4);

  --radius: 12px;
  --radius-sm: 8px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

body {
  font-family: var(--font);
  margin: 0;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(46, 139, 192, 0.16), transparent),
    radial-gradient(ellipse 700px 400px at 100% 0%, rgba(79, 195, 232, 0.08), transparent);
  background-repeat: no-repeat;
  min-height: 100vh;
}

h1, h2, h3 { font-weight: 700; letter-spacing: -0.01em; margin: 0 0 4px; }
h1 { font-size: 26px; color: var(--text); }
h2 { font-size: 16px; color: var(--highlight); text-transform: uppercase; letter-spacing: 0.04em; font-weight: 600; margin-top: 0; }

a { color: var(--highlight); }

/* ===== Topbar ===== */
.topbar {
  background: linear-gradient(180deg, #0a1420 0%, #060a13 100%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(79, 195, 232, 0.12);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; text-decoration: none; }
.brand-logo { height: 28px; width: auto; display: block; }

.nav { display: flex; align-items: center; gap: 18px; flex: 1; flex-wrap: wrap; }

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav a:hover { color: var(--highlight); border-color: var(--highlight); }

.nav-logout-form { margin: 0; }

.nav-logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  margin-top: 0;
  font-size: 13px;
  font-family: var(--font);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-logout-btn:hover { border-color: var(--danger); color: var(--danger); }

/* ===== Layout ===== */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.app-footer {
  text-align: center;
  color: var(--text-faint);
  font-size: 12px;
  padding: 24px 20px 40px;
  letter-spacing: 0.02em;
}

/* ===== Card ===== */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  overflow-x: auto;
}

/* ===== Table ===== */
.table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.table td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text);
}

.table tbody tr:hover td { background: rgba(46, 139, 192, 0.06); }
.table tbody tr:last-child td { border-bottom: none; }

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  border: 1px solid transparent;
}

.badge-ok { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }
.badge-pending { background: rgba(124, 147, 173, 0.12); color: var(--text-muted); border-color: var(--border); }

/* ===== Flash messages ===== */
.flash {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
  border: 1px solid transparent;
}

.flash-ok { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }
.flash-warn { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-border); }

/* ===== Stat cards ===== */
.stat-row {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.stat-card {
  flex: 1;
  min-width: 140px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.stat-card.stat-ok { border-color: var(--success-border); }
.stat-card.stat-pending { border-color: var(--warning-border); }

.stat-num {
  font-size: 34px;
  font-weight: 800;
  color: var(--highlight);
  text-shadow: 0 0 24px rgba(79, 195, 232, 0.35);
}

.stat-card.stat-ok .stat-num { color: var(--success); text-shadow: 0 0 24px rgba(52, 211, 153, 0.3); }
.stat-card.stat-pending .stat-num { color: var(--warning); text-shadow: 0 0 24px rgba(251, 191, 36, 0.3); }

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* ===== Scan page ===== */
.scan-reader-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.scan-result {
  margin-top: 16px;
  padding: 22px;
  border-radius: var(--radius);
  font-size: 19px;
  font-weight: 700;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.15s ease;
}

.scan-idle { background: var(--bg-elevated); color: var(--text-muted); }
.scan-valid { background: var(--success-bg); color: var(--success); border-color: var(--success-border); box-shadow: 0 0 32px rgba(52, 211, 153, 0.25); }
.scan-used { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-border); box-shadow: 0 0 32px rgba(251, 191, 36, 0.25); }
.scan-unknown { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-border); box-shadow: 0 0 32px rgba(248, 113, 113, 0.25); }

/* ===== Guest lookup card (scan page) ===== */
.guest-card .scan-result { margin-top: 0; font-size: 15px; }

.guest-info {
  text-align: center;
  padding: 20px 8px 8px;
}

.guest-name {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
}

.guest-meta {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

#guest-additional-display {
  color: var(--highlight);
  font-weight: 600;
}

.guest-additional-field {
  max-width: 220px;
  margin: 4px auto 0;
  text-align: center;
}

.guest-additional-field label {
  color: var(--text-muted);
  font-size: 13px;
}

.guest-additional-field input {
  text-align: center;
  max-width: 100%;
}

.guest-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}

.guest-actions .btn,
.guest-actions .btn-ghost {
  margin-top: 0;
  flex: 1;
  min-width: 160px;
  text-align: center;
}

/* ===== Forms ===== */
form label {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

input, textarea {
  font-family: var(--font);
  font-size: 14px;
  padding: 9px 12px;
  margin-top: 6px;
  width: 100%;
  max-width: 360px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea { max-width: 100%; font-family: 'SFMono-Regular', Consolas, monospace; font-size: 13px; }

input:focus, textarea:focus {
  outline: none;
  border-color: var(--highlight);
  box-shadow: 0 0 0 3px rgba(79, 195, 232, 0.15);
}

input::placeholder, textarea::placeholder { color: var(--text-faint); }

button, .btn {
  font-family: var(--font);
  padding: 10px 20px;
  margin-top: 8px;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--highlight));
  color: #04121c;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: filter 0.15s ease, transform 0.1s ease;
  text-decoration: none;
  display: inline-block;
}

button:hover, .btn:hover { filter: brightness(1.1); }
button:active, .btn:active { transform: translateY(1px); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-weight: 500;
}

.btn-ghost:hover { border-color: var(--highlight); color: var(--highlight); filter: none; }

code {
  background: var(--bg-input);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--glow);
}

.action-links a { margin-right: 4px; }
.action-links span { color: var(--text-faint); margin: 0 6px; }
.action-links .inline-form { display: inline; }

.link-danger {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  color: var(--danger);
  font-family: var(--font);
  font-size: inherit;
  font-weight: 400;
  cursor: pointer;
  text-decoration: underline;
}

.link-danger:hover { filter: none; opacity: 0.8; }

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

/* ===== Login page ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 340px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: 0 0 0 1px rgba(46, 139, 192, 0.08), 0 20px 60px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.login-logo { height: 40px; margin-bottom: 20px; }
.login-card h1 { text-align: center; font-size: 18px; margin-bottom: 20px; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.login-card form { text-align: left; }
.login-card input { max-width: 100%; }
.login-card button { width: 100%; margin-top: 16px; }

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
  }

  .nav { width: 100%; gap: 6px 16px; }
  .nav-logout-form { align-self: flex-start; }

  .container { padding: 22px 14px 48px; }

  .page-header { align-items: flex-start; }

  .stat-row { flex-direction: column; }

  .card { padding: 16px; }
}