:root {
  --bg-primary: #0A0A0F;
  --bg-secondary: #12121A;
  --bg-tertiary: #1A1A24;
  --bg-card: #15151F;
  --text-primary: #E4E4E7;
  --text-secondary: #A1A1AA;
  --text-muted: #52525B;
  --accent-purple: #8B5CF6;
  --accent-blue: #3B82F6;
  --accent-cyan: #06B6D4;
  --accent-green: #10B981;
  --accent-orange: #F59E0B;
  --border: #27272A;
  --border-hover: #3F3F46;
  --error: #EF4444;
  --success: #22C55E;
}

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

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Layout */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  min-height: 100vh;
}

.container-sm {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.header-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-title h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  gap: 12px;
}

/* Logo */
.logo {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  transition: border-color 0.2s;
}

.card:hover {
  border-color: var(--border-hover);
}

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

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

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

/* Grid */
.grid {
  display: grid;
  gap: 16px;
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

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

.input-error {
  border-color: var(--error);
}

.input-error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--accent-purple);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.button:hover {
  background: #7C3AED;
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.button-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.button-secondary:hover {
  background: var(--border);
}

.button-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.button-ghost:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.button-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.button-lg {
  padding: 14px 28px;
  font-size: 15px;
}

.button-block {
  width: 100%;
}

/* API Box */
.api-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  overflow-x: auto;
}

.api-box code {
  color: var(--text-primary);
  line-height: 1.8;
}

.api-box .method {
  color: var(--accent-green);
  font-weight: 600;
}

.api-box .path {
  color: var(--accent-cyan);
}

.api-box .desc {
  color: var(--text-muted);
}

/* Token Display */
.token-display {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
}

.token-display .token {
  flex: 1;
  color: var(--text-primary);
  word-break: break-all;
}

.token-display .copy-btn {
  padding: 6px 12px;
  background: var(--accent-purple);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.token-display .copy-btn:hover {
  background: #7C3AED;
}

/* Stats */
.stat {
  text-align: center;
  padding: 20px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

/* Messages */
.error {
  color: var(--error);
  font-size: 13px;
  margin-top: 8px;
}

.success {
  color: var(--success);
  font-size: 13px;
  margin-top: 8px;
}

/* Utility */
.text-center {
  text-align: center;
}

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

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

.text-sm {
  font-size: 13px;
}

.text-lg {
  font-size: 18px;
}

.mb-2 {
  margin-bottom: 8px;
}

.mb-4 {
  margin-bottom: 16px;
}

.mb-6 {
  margin-bottom: 24px;
}

.mt-2 {
  margin-top: 8px;
}

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

.mt-6 {
  margin-top: 24px;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.gap-2 {
  gap: 8px;
}

.gap-4 {
  gap: 16px;
}

.gap-6 {
  gap: 24px;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

/* Feature Cards */
.feature-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
}

.feature-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Links */
a {
  color: var(--accent-purple);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #A78BFA;
}

/* Code */
code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

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

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

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

th {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  font-size: 14px;
  color: var(--text-primary);
}

tr:hover td {
  background: var(--bg-tertiary);
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.tag-purple {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple);
}

.tag-green {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
}

.tag-blue {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
}

.tag-orange {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-orange);
}

/* Dividers */
.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

/* Page Title */
.page-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--bg-tertiary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.empty-state-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

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

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px;
  color: var(--text-muted);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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