:root {
  --bg-dark: #0a0d14;
  --bg-card: #111622;
  --bg-card-hover: #161c2b;
  --border: #1e2638;
  --border-focus: #3b82f6;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* Sidebar */
.sidebar {
  width: 260px;
  background: #0d111a;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  padding: 0 8px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.brand h2 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.badge-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}

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

.nav-item.active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue);
  font-weight: 600;
}

.nav-item.active svg {
  stroke: var(--accent-blue);
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
}

.proxy-link a {
  font-size: 0.8rem;
  color: var(--accent-blue);
  text-decoration: none;
}
.proxy-link a:hover {
  text-decoration: underline;
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 32px 40px;
  max-width: 1400px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.page-title h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-title p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.auto-refresh-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.switch {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 18px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #334155;
  transition: .3s;
  border-radius: 18px;
}
.slider:before {
  position: absolute;
  content: "";
  height: 12px;
  width: 12px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}
input:checked + .slider { background-color: var(--accent-blue); }
input:checked + .slider:before { transform: translateX(16px); }

.switch-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  user-select: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-blue);
  color: white;
}
.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: #334155;
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.78rem;
}

.btn-danger {
  color: var(--accent-red);
}
.btn-danger:hover {
  background: rgba(239, 68, 68, 0.15);
}

/* Tabs */
.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.kpi-card:hover {
  border-color: #2e384d;
  transform: translateY(-2px);
}

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

.kpi-title {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.kpi-icon {
  font-size: 1.1rem;
}

.kpi-value {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.highlight-green {
  color: var(--accent-green);
}

.kpi-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.chart-container {
  position: relative;
  height: 280px;
  width: 100%;
}

/* Cards & Tables */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

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

.card-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th {
  padding: 12px 14px;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  white-space: nowrap;
}

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

.text-center { text-align: center; }

/* Badges */
.badge-model {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-model.argon {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  border-color: rgba(139, 92, 246, 0.3);
}

.badge-model.flash {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}

.badge-status {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-status.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.badge-status.disabled {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
}

.badge-http-200 {
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-weight: 600;
}

.badge-http-err {
  color: var(--accent-red);
  font-family: var(--font-mono);
  font-weight: 600;
}

.key-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 3px 6px;
  border-radius: 4px;
}

/* Action Header */
.action-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.action-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
}

.action-header p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Quickstart & Code */
.tabs-code {
  background: #090c13;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: #0f1420;
  border-bottom: 1px solid var(--border);
}

.badge-lang {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

pre {
  padding: 14px;
  overflow-x: auto;
}

code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #e2e8f0;
}

.mt-4 { margin-top: 16px; }

/* Filter Bar */
.filters-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.search-box {
  flex: 1;
}

.search-box input, .filter-group select, .form-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.search-box input:focus, .filter-group select:focus, .form-input:focus {
  border-color: var(--border-focus);
}

/* Pricing & Calculator */
.pricing-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 20px;
}

.calc-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.calc-result-box {
  background: #0a0d14;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.res-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-backdrop.show {
  display: flex;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 480px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}
.modal-close:hover { color: white; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1e293b;
  border: 1px solid #334155;
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.85rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 960px) {
  .charts-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }
  .app-layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
}

/* Quota Monitor Styles */
.quota-monitor-card {
  border-color: rgba(59, 130, 246, 0.3);
  background: linear-gradient(180deg, #111827 0%, #0f1422 100%);
}

.card-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.badge-pool {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.quota-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 16px 0;
}

.quota-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.quota-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.quota-model-name {
  font-weight: 700;
  font-size: 0.92rem;
}

.quota-percent {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-green);
}

.quota-progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}

.quota-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #3b82f6);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.quota-card-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.accounts-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.account-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
}

.chip-dot.cooldown {
  background: var(--accent-amber);
}