:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #e0e7ff;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --bg: #f8fafc;
  --card-bg: rgba(255, 255, 255, 0.88);
  --text: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --radius: 8px;
  --sidebar-width: 240px;
  --sidebar-collapsed: 64px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/images/bjtp.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  z-index: -1;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(248, 250, 252, 0.6);
  z-index: -1;
}

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: 48px 40px;
  width: 400px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.login-card h1 {
  text-align: center;
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--text);
}

.login-card .subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 14px;
}

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, #1e1b4b 0%, #312e81 100%);
  color: white;
  padding: 24px 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: width 0.3s ease;
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-brand {
  padding: 0 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  white-space: nowrap;
  position: relative;
}

.sidebar.collapsed .sidebar-brand {
  justify-content: center;
  padding: 0 0 24px;
}

.sidebar-brand h2 {
  font-size: 18px;
  font-weight: 700;
  overflow: hidden;
  transition: opacity 0.2s;
}

.sidebar-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 0 8px;
  overflow: hidden;
  transition: opacity 0.3s, width 0.3s;
}

.sidebar-avatar {
  width: 80px;
  aspect-ratio: 1;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
  transition: opacity 0.3s, width 0.3s;
}

.sidebar-profile-text {
  overflow: hidden;
  width: 100%;
  text-align: center;
  transition: opacity 0.3s, width 0.3s;
}

.sidebar-profile-text h2 {
  display: inline-block;
  animation: marquee-glow 4s ease-in-out infinite;
}

@keyframes marquee-glow {
  0%, 100% { opacity: 1; text-shadow: 0 0 4px rgba(255,255,255,0.3); }
  50% { opacity: 0.5; text-shadow: 0 0 12px rgba(255,255,255,0.8); }
}

.sidebar.collapsed .sidebar-profile {
  opacity: 0;
  width: 0;
  overflow: hidden;
  transition: opacity 0.3s, width 0.3s;
}

.sidebar.collapsed .sidebar-avatar {
  opacity: 0;
  width: 0;
  overflow: hidden;
  transition: opacity 0.3s, width 0.3s;
}

.sidebar.collapsed .sidebar-profile-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
  transition: opacity 0.3s, width 0.3s;
}

.sidebar.collapsed .sidebar-brand h2,
.sidebar.collapsed .sidebar-brand p {
  opacity: 0;
  width: 0;
}

.sidebar-brand p {
  font-size: 12px;
  opacity: 0.6;
  margin-top: 4px;
  transition: opacity 0.2s;
}

.sidebar-brand p {
  font-size: 12px;
  opacity: 0.6;
  margin-top: 4px;
  transition: opacity 0.2s;
}

.sidebar-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
}

.sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav li {
  margin: 2px 12px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.2s;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-nav a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.sidebar-nav a.active {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  font-weight: 500;
}

.sidebar-nav .icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-nav .nav-text {
  transition: opacity 0.3s, width 0.3s;
  overflow: hidden;
}

.sidebar.collapsed .sidebar-nav a {
  justify-content: center;
  padding: 10px;
}

.sidebar.collapsed .sidebar-nav .nav-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
  transition: opacity 0.3s, width 0.3s;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 24px 32px;
  transition: margin-left 0.3s ease;
}

.main-content.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed);
}

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

.page-header h2 {
  font-size: 22px;
  font-weight: 600;
}

.page-header .user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}

.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.danger { border-left-color: var(--danger); }
.stat-card.info { border-left-color: var(--info); }

.stat-card .label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}

.card-box {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 24px;
}

.card-box-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.2s;
  outline: none;
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

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

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

.btn-success:hover {
  background: #059669;
}

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

.btn-danger:hover {
  background: #dc2626;
}

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

.btn-sm {
  padding: 4px 12px;
  font-size: 12px;
}

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

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

table {
  width: 100%;
  border-collapse: collapse;
}

table th,
table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

table th {
  background: rgba(248, 250, 252, 0.8);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

table tr:hover td {
  background: rgba(248, 250, 252, 0.6);
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-unused { background: #e0e7ff; color: #4338ca; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-expired { background: #fef3c7; color: #92400e; }
.badge-banned { background: #fee2e2; color: #991b1b; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-fail { background: #fee2e2; color: #991b1b; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.pagination button {
  padding: 6px 14px;
  border: 1px solid var(--border);
  background: white;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination .page-info {
  font-size: 13px;
  color: var(--text-secondary);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar select,
.toolbar input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
}

.toolbar input:focus,
.toolbar select:focus {
  border-color: var(--primary);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border-radius: 12px;
  padding: 32px;
  width: 500px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s;
}

.modal-overlay.show .modal {
  transform: scale(1);
}

.modal h3 {
  font-size: 18px;
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  color: white;
  font-size: 14px;
  margin-bottom: 8px;
  animation: slideIn 0.3s ease;
  box-shadow: var(--shadow-md);
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
.toast-info { background: var(--info); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.code-block {
  background: #1e293b;
  color: #e2e8f0;
  padding: 16px 20px;
  border-radius: 8px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  margin: 12px 0;
  position: relative;
}

.code-block .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 4px;
  color: #94a3b8;
  cursor: pointer;
  font-size: 12px;
}

.code-block .copy-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.api-section {
  margin-bottom: 32px;
}

.api-section h4 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text);
}

.api-section .method {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  margin-right: 8px;
}

.method-post { background: #d1fae5; color: #065f46; }
.method-get { background: #dbeafe; color: #1e40af; }

.api-section .endpoint {
  font-family: monospace;
  font-size: 14px;
  color: var(--text-secondary);
}

.api-section p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 8px 0;
}

.param-table {
  width: 100%;
  margin: 8px 0;
}

.param-table td {
  padding: 6px 12px;
  font-size: 13px;
}

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.generated-cards {
  background: rgba(248, 250, 252, 0.8);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  max-height: 300px;
  overflow-y: auto;
  margin-top: 12px;
}

.generated-cards .card-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-family: monospace;
  font-size: 13px;
}

.generated-cards .card-item:last-child {
  border-bottom: none;
}

.app-key-display {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(248, 250, 252, 0.8);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: monospace;
  font-size: 14px;
  word-break: break-all;
}

.app-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.app-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.app-card-header h4 {
  font-size: 16px;
  font-weight: 600;
}

.app-card-meta {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.app-card-key {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(248, 250, 252, 0.8);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: monospace;
  font-size: 13px;
  word-break: break-all;
}

.app-settings {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.app-settings-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.app-settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}

.app-settings-row:last-child {
  border-bottom: none;
}

.app-settings-row .setting-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
}

.app-settings-row .setting-label .setting-icon {
  font-size: 16px;
}

.app-settings-row .setting-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #cbd5e1;
  border-radius: 24px;
  transition: background 0.3s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: transform 0.3s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--primary);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.toggle-switch input:disabled + .toggle-slider {
  opacity: 0.4;
  cursor: not-allowed;
}

.app-settings-children {
  padding-left: 28px;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

.app-settings-children.collapsed {
  max-height: 0;
  opacity: 0;
}

.app-settings-children.expanded {
  max-height: 200px;
  opacity: 1;
}