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

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #232734;
  --bg-hover: #2a2e3d;
  --border: #2e3347;
  --text-primary: #e8eaed;
  --text-secondary: #9aa0b0;
  --text-muted: #6b7280;
  --accent: #6c5ce7;
  --accent-hover: #7c6df7;
  --success: #00c853;
  --success-bg: rgba(0, 200, 83, 0.1);
  --danger: #ff5252;
  --danger-hover: #ff6b6b;
  --danger-bg: rgba(255, 82, 82, 0.1);
  --warning: #ffc107;
  --warning-bg: rgba(255, 193, 7, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

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

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
}

.sidebar-header {
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  list-style: none;
  padding: 16px 0;
  flex: 1;
}

.nav-menu li {
  margin: 4px 12px;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
}

.nav-menu a:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-menu a.active {
  background: var(--accent);
  color: white;
}

.nav-icon {
  font-size: 18px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-hover);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.user-icon {
  font-size: 16px;
}

.user-name {
  font-size: 13px;
  color: var(--text-secondary);
}

.btn-logout {
  width: 100%;
  padding: 10px;
  background: rgba(255, 82, 82, 0.1);
  border: 1px solid rgba(255, 82, 82, 0.2);
  color: var(--danger);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-logout:hover {
  background: rgba(255, 82, 82, 0.2);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 240px;
  padding: 24px;
  min-height: 100vh;
  overflow-y: auto;
}

.page-header {
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
}

.page-toolbar.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  font-size: 32px;
}

.stat-content {
  flex: 1;
}

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

.stat-value {
  font-size: 28px;
  font-weight: 700;
}

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.chart-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.chart-placeholder {
  min-height: 200px;
}

.usage-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.usage-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.usage-item:last-child {
  border-bottom: none;
}

.usage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.usage-name {
  font-weight: 500;
}

.usage-count {
  color: var(--text-secondary);
  font-size: 13px;
}

.empty-state-small {
  text-align: center;
  padding: 40px 0;
  color: var(--text-muted);
}

/* Table Card */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  background: var(--bg-secondary);
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 12px;
}

.data-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  transition: background-color 0.15s ease;
}

.data-table tr:hover td {
  background: var(--bg-hover);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table .empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.data-table .empty-state .emoji {
  font-size: 48px;
  margin-bottom: 16px;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.table-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.table-wrapper {
  overflow-x: auto;
}

.toolbar-info {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

.info-icon {
  font-size: 18px;
}

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

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.user-name-text {
  font-weight: 500;
  color: var(--text-primary);
}

.date-cell {
  color: var(--text-secondary);
  font-size: 13px;
}

.action-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  flex: 1;
}

.form-group.form-full {
  flex: 1 1 100%;
}

.form-group.form-half {
  flex: 1 1 calc(50% - 8px);
}

.form-hint {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

.required {
  color: var(--danger);
}

.modal.modal-lg {
  max-width: 500px;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-icon {
  font-size: 20px;
}

.btn-icon {
  margin-right: 6px;
}

/* Key Grid */
.key-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
}

.key-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.key-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

.key-platform {
  font-size: 16px;
  font-weight: 600;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.status-badge.online {
  background: var(--success-bg);
  color: var(--success);
}

.status-badge.offline {
  background: var(--danger-bg);
  color: var(--danger);
}

.status-badge.unknown {
  background: var(--warning-bg);
  color: var(--warning);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.online {
  background: var(--success);
}

.status-dot.offline {
  background: var(--danger);
}

.status-dot.unknown {
  background: var(--warning);
}

.key-details {
  margin-bottom: 16px;
}

.key-detail {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 13px;
}

.key-detail .label {
  color: var(--text-muted);
  min-width: 64px;
  flex-shrink: 0;
}

.route-info .value {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.route-tag {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.key-detail .value {
  color: var(--text-secondary);
  word-break: break-all;
  flex: 1;
}

.copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  flex-shrink: 0;
  transition: color 0.2s;
}

.copy-btn:hover {
  color: var(--accent);
}

.models-section {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.models-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.models-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.model-tag {
  background: var(--bg-secondary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-secondary);
  font-family: monospace;
}

.quota-section {
  margin-top: 8px;
  padding: 10px 0 6px;
  border-top: 1px solid var(--border);
}

.quota-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.quota-header .label {
  font-size: 12px;
  color: var(--text-muted);
  min-width: auto;
}

.quota-text {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  font-family: monospace;
}

.quota-bar-track {
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

.quota-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

.quota-safe {
  background: var(--success);
}

.quota-warning {
  background: var(--warning);
}

.quota-danger {
  background: var(--danger);
}

.quota-footer {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}

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

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

.form-half {
  flex: 1;
}

.rate-limit-actions {
  display: flex;
  gap: 4px;
  margin-top: 6px;
}

.rate-limit-actions .btn {
  padding: 3px 8px;
  font-size: 11px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-half {
  flex: 1;
}

.response-time {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.key-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
}

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

.btn-danger:hover:not(:disabled) {
  background: var(--danger-hover);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.icon {
  font-size: 14px;
}

/* Loading & Empty */
.loading-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

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

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.empty-state .emoji {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.empty-state p {
  font-size: 14px;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s;
}

.modal-overlay.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.2s ease-out;
}

.modal-sm {
  max-width: 400px;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 0;
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 20px 24px;
}

form {
  padding: 20px 24px;
}

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

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.required {
  color: var(--danger);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  font-family: inherit;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 24px 20px;
}

.text-muted {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

/* Search */
.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 240px;
  max-width: 400px;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  opacity: 0.5;
}

.search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--accent);
}

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

/* Stats */
.stats {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

.stat-item strong {
  color: var(--text-primary);
}

.online-color strong {
  color: var(--success);
}

.offline-color strong {
  color: var(--danger);
}

/* Log Table */
.log-table-wrap {
  overflow-x: auto;
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.log-table th {
  background: var(--bg-secondary);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.log-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

.log-table tr:last-child td {
  border-bottom: none;
}

.log-table tr:hover td {
  background: var(--bg-hover);
}

.log-status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.log-status-2xx {
  background: var(--success-bg);
  color: var(--success);
}

.log-status-4xx {
  background: var(--warning-bg);
  color: var(--warning);
}

.log-status-5xx {
  background: var(--danger-bg);
  color: var(--danger);
}

.log-time {
  font-family: monospace;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.log-model {
  font-family: monospace;
  font-size: 11px;
  color: var(--accent);
}

.log-platform {
  color: var(--text-secondary);
}

.log-error {
  color: var(--danger);
  font-size: 11px;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.log-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.log-empty .emoji {
  font-size: 36px;
  margin-bottom: 12px;
}

.log-refresh {
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

.log-method {
  font-family: monospace;
  font-size: 11px;
  font-weight: 600;
}

.log-path {
  font-family: monospace;
  font-size: 11px;
  color: var(--text-muted);
}

.log-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.log-controls select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
}

/* Proxy Keys */
.proxy-info-card {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(167, 139, 250, 0.08));
  border: 1px solid rgba(108, 92, 231, 0.25);
  border-radius: var(--radius);
  margin-bottom: 24px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.proxy-info-icon {
  font-size: 32px;
}

.proxy-info-content h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.proxy-url {
  display: inline-block;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 14px;
  color: var(--accent);
  background: var(--bg-card);
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.proxy-hint {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

.proxy-keys-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}

.proxy-keys-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.proxy-keys-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.proxy-keys-list {
  padding: 0 20px;
}

.proxy-key-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  gap: 16px;
}

.proxy-key-item:last-child {
  border-bottom: none;
}

.proxy-key-info {
  flex: 1;
  min-width: 0;
}

.proxy-key-name {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}

.proxy-key-value {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.proxy-key-value code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  color: var(--accent);
  background: var(--bg-primary);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  word-break: break-all;
}

.proxy-key-meta {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.proxy-key-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.proxy-key-actions .btn-sm {
  padding: 4px 8px;
}

@media (max-width: 1024px) {
  .sidebar {
    width: 200px;
  }
  .main-content {
    margin-left: 200px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    padding: 16px 0;
  }
  .sidebar-header {
    padding: 0 16px 16px;
  }
  .nav-menu {
    display: flex;
    padding: 0;
    overflow-x: auto;
  }
  .nav-menu li {
    margin: 0 4px;
  }
  .main-content {
    margin-left: 0;
    padding: 16px;
  }
  .page-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-input-wrapper {
    max-width: none;
  }
  .stats {
    justify-content: center;
  }
  .key-grid {
    grid-template-columns: 1fr;
  }
  .proxy-key-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .proxy-key-actions {
    align-self: flex-end;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}