:root {
  --bg-primary: #0a0d14;
  --bg-surface: #111622;
  --bg-surface-elevated: #161d2d;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.04);
  
  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --color-green: #10b981;
  --color-green-glow: rgba(16, 185, 129, 0.2);
  --color-red: #ef4444;
  --color-red-glow: rgba(239, 68, 68, 0.2);
  --color-blue: #3b82f6;
  --color-cyan: #06b6d4;
  --color-yellow: #f59e0b;
  --color-purple: #a855f7;

  --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 {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  font-size: 14px;
}

.app-container {
  max-width: 1540px;
  margin: 0 auto;
  padding: 24px 32px 48px;
}

/* Header */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

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

.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.25);
}

.brand-text h1 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.badge-sub {
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

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

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 9999px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}

.status-indicator.running {
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--color-green);
  background: rgba(16, 185, 129, 0.08);
}

.status-indicator.stopped {
  border-color: rgba(239, 68, 68, 0.4);
  color: var(--color-red);
  background: rgba(239, 68, 68, 0.08);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
  100% { opacity: 1; transform: scale(1); }
}

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px 24px;
  transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

.stat-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  font-family: var(--font-mono);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-unit {
  font-size: 16px;
  color: var(--text-muted);
}

.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.text-green { color: var(--color-green); }
.text-red { color: var(--color-red); }
.text-blue { color: var(--color-blue); }
.text-cyan { color: var(--color-cyan); }
.text-yellow { color: var(--color-yellow); }
.text-purple { color: var(--color-purple); }

/* Main Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 1200px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.left-col, .right-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Panels */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
}

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

.panel-header h2 {
  font-size: 15px;
  font-weight: 700;
}

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

.filter-tabs {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.filter-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.panel-body {
  padding: 20px;
}

/* Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-select, .form-input {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

.form-select:focus, .form-input:focus {
  border-color: var(--color-blue);
}

.hint {
  font-size: 11px;
  color: var(--text-muted);
}

.slider-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-range {
  flex: 1;
  accent-color: var(--color-blue);
}

.range-display {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-blue);
  width: 24px;
  text-align: right;
}

/* Test API box */
.test-api-box {
  background: var(--bg-surface-elevated);
  border: 1px dashed rgba(6, 182, 212, 0.3);
  border-radius: 12px;
  padding: 16px;
}

.test-api-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-cyan);
  margin-bottom: 8px;
}

.api-url-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(0, 0, 0, 0.3);
  padding: 8px 12px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.token-result-box {
  margin-top: 12px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  word-break: break-all;
  max-height: 120px;
  overflow-y: auto;
}

.hidden { display: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--color-green);
  color: #000;
}
.btn-primary:hover {
  background: #059669;
}

.btn-danger {
  background: var(--color-red);
  color: #fff;
}
.btn-danger:hover {
  background: #dc2626;
}

.btn-cyan {
  background: var(--color-cyan);
  color: #000;
}
.btn-cyan:hover {
  background: #0891b2;
}

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

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

/* Tables */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.data-table th {
  padding: 12px 16px;
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge {
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  display: inline-block;
}

.badge-ready {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-cooldown {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-yellow);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-live {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-die {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-red);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-quota {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
}

.pool-table-container {
  max-height: 280px;
  overflow-y: auto;
}

/* Console Panel */
.console-panel {
  display: flex;
  flex-direction: column;
  height: 380px;
}

.console-body {
  flex: 1;
  background: #06090e;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-line {
  line-height: 1.4;
  word-break: break-all;
}

.log-green { color: var(--color-green); }
.log-red { color: var(--color-red); }
.log-yellow { color: var(--color-yellow); }
.log-dim { color: var(--text-muted); }