:root {
  --bg-dark: #0A0A0F;
  --surface: #15151D;
  --elevated: #1E1E28;
  --border: #2A2A35;
  --primary: #6EE7B7;
  --secondary: #3B82F6;
  --error: #EF4444;
  --accent: #FBBF24;
  --text-primary: #FFFFFF;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
}

.gradient-primary {
  background: linear-gradient(135deg, #6EE7B7, #3B82F6);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

/* Login page */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.logo-text {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 6px;
  color: var(--primary);
  text-align: center;
}

.subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 2px;
  margin-top: 4px;
  margin-bottom: 32px;
}

input, textarea, select {
  width: 100%;
  background: var(--elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 12px;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
}

button {
  width: 100%;
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, #6EE7B7, #3B82F6);
  color: var(--bg-dark);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.btn-error {
  background: var(--error);
  color: white;
}

.link {
  color: var(--primary);
  text-align: center;
  display: block;
  margin-top: 16px;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
}

.error-msg {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 12px;
  display: none;
}

.success-msg {
  background: rgba(110, 231, 183, 0.1);
  border: 1px solid rgba(110, 231, 183, 0.3);
  color: var(--primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 12px;
  display: none;
}

/* Top nav */
.topnav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.nav-logo {
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--primary);
  font-size: 18px;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.quick-action {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  color: var(--text-secondary);
}

.quick-action:hover {
  border-color: var(--primary);
}

.quick-action .icon {
  font-size: 24px;
  margin-bottom: 4px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}

.badge-error { background: rgba(239,68,68,0.15); color: var(--error); }
.badge-accent { background: rgba(251,191,36,0.15); color: var(--accent); }
.badge-primary { background: rgba(110,231,183,0.15); color: var(--primary); }

.qr-box {
  background: white;
  padding: 20px;
  border-radius: 14px;
  display: inline-block;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.muted { color: var(--text-muted); font-size: 12px; }
.spacer-sm { height: 12px; }
.spacer-md { height: 24px; }

.media-preview {
  max-width: 200px;
  max-height: 150px;
  border-radius: 10px;
  margin-top: 8px;
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

.loader {
  border: 3px solid var(--border);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 0.8s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.row-actions {
  display: flex;
  gap: 8px;
}

.icon-btn {
  background: var(--elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 13px;
}

.icon-btn:hover {
  border-color: var(--primary);
}

@media (max-width: 700px) {
  .grid-3 { grid-template-columns: 1fr; }
  .nav-links { gap: 12px; font-size: 12px; }
  table { font-size: 12px; }
}