/* VNeck License Portal — professional theme system */

:root {
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.12);
  --transition: 180ms ease;
}

.theme-slate {
  --bg: #0f1419;
  --bg-elevated: #171d24;
  --bg-card: #1c2430;
  --border: #2a3544;
  --text: #e8edf4;
  --text-muted: #8b9bb0;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
}

.theme-light {
  --bg: #f4f6f9;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
}

.theme-dark {
  --bg: #09090b;
  --bg-elevated: #111113;
  --bg-card: #18181b;
  --border: #27272a;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --accent: #a78bfa;
  --accent-hover: #8b5cf6;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
}

.theme-ocean {
  --bg: #0a1628;
  --bg-elevated: #0f2137;
  --bg-card: #132a45;
  --border: #1e4976;
  --text: #e0f2fe;
  --text-muted: #7dd3fc;
  --accent: #06b6d4;
  --accent-hover: #0891b2;
  --success: #2dd4bf;
  --warning: #fcd34d;
  --danger: #fb7185;
}

.theme-emerald {
  --bg: #0a1512;
  --bg-elevated: #0f1f1a;
  --bg-card: #142820;
  --border: #1f4034;
  --text: #ecfdf5;
  --text-muted: #6ee7b7;
  --accent: #10b981;
  --accent-hover: #059669;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.875rem 1.5rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}

.main-nav {
  display: flex;
  gap: 0.25rem;
  flex: 1;
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text);
  background: var(--bg-card);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.page-content {
  flex: 1;
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.site-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  margin: 0 0 0.375rem;
  font-size: 1.75rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.page-header p {
  margin: 0;
  color: var(--text-muted);
}

.flash {
  margin: 1rem 1.5rem 0;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.flash-success { background: color-mix(in srgb, var(--success) 15%, transparent); border: 1px solid color-mix(in srgb, var(--success) 40%, transparent); }
.flash-error { background: color-mix(in srgb, var(--danger) 15%, transparent); border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent); }
.flash-info { background: color-mix(in srgb, var(--accent) 15%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.625rem 1.125rem;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
}

.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-muted); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8125rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-success { background: color-mix(in srgb, var(--success) 20%, transparent); color: var(--success); }
.badge-warning { background: color-mix(in srgb, var(--warning) 20%, transparent); color: var(--warning); }
.badge-danger { background: color-mix(in srgb, var(--danger) 20%, transparent); color: var(--danger); }
.badge-muted { background: color-mix(in srgb, var(--text-muted) 20%, transparent); color: var(--text-muted); }

.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.program-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), transform var(--transition);
}

.program-card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateY(-2px);
}

.program-card h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.program-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  flex: 1;
}

.program-card-footer {
  margin-top: auto;
  padding-top: 0.5rem;
}

.auth-card {
  width: min(420px, 100%);
  margin: 3rem auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.auth-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.auth-card .subtitle {
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.925rem;
}

.form-group input:focus,
.form-group select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-color: var(--accent);
}

.password-wrap {
  position: relative;
}

.password-wrap input {
  padding-right: 5rem;
}

.toggle-password {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.8125rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}

.form-footer {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.form-footer a { color: var(--accent); }

.section-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.admin-tabs a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-muted);
  border: 1px solid transparent;
  font-size: 0.875rem;
}

.admin-tabs a.active {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text);
}

.theme-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.theme-option {
  cursor: pointer;
}

.theme-option input { display: none; }

.theme-swatch {
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  text-align: center;
  font-size: 0.8125rem;
  transition: border-color var(--transition);
}

.theme-option input:checked + .theme-swatch {
  border-color: var(--accent);
}

.auth-key-box {
  background: var(--bg);
  border: 1px dashed var(--accent);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: ui-monospace, monospace;
  font-size: 1.125rem;
  letter-spacing: 0.08em;
  text-align: center;
  margin: 1rem 0;
}

.blocked-page {
  text-align: center;
  max-width: 560px;
  margin: 4rem auto;
}

.blocked-page .icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--danger) 20%, transparent);
  color: var(--danger);
  display: grid;
  place-items: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

.blocked-page h1 { margin: 0 0 0.75rem; }
.blocked-page .reason {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  color: var(--text-muted);
  margin: 1.5rem 0;
}

.alert-count {
  background: var(--danger);
  color: #fff;
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  margin-left: 0.25rem;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: grid;
  place-items: center;
  z-index: 200;
  padding: 1rem;
}

.modal.hidden {
  display: none;
}

.modal-panel {
  width: min(440px, 100%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.modal-panel h2 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}

.modal-hint {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.modal-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.modal-error {
  margin: 0.75rem 0 0;
  color: var(--danger);
  font-size: 0.875rem;
}

.modal-error.hidden,
.modal-hint.hidden {
  display: none;
}

@media (max-width: 768px) {
  .topbar { flex-wrap: wrap; }
  .main-nav { order: 3; width: 100%; overflow-x: auto; }
}