/**
 * Banking Genius - Cupertino Clarity Design System
 * Apple-inspired aesthetics with refined minimalism
 */

/* ============================================
   FONTS - Cinzel for Roman archaic elegance, Plus Jakarta Sans for body
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================
   CSS VARIABLES - Design Tokens
   ============================================ */
:root {
  /* Colors - Pure Black & White with Subtle Grays */
  --white: #FFFFFF;
  --off-white: #FAFAFA;
  --gray-50: #F5F5F7;
  --gray-100: #E8E8ED;
  --gray-200: #D2D2D7;
  --gray-300: #AEAEB2;
  --gray-400: #86868B;
  --gray-500: #6E6E73;
  --gray-600: #424245;
  --gray-700: #1D1D1F;
  --black: #000000;

  /* Semantic Colors */
  --bg-primary: var(--white);
  --bg-secondary: var(--gray-50);
  --bg-card: var(--white);
  --text-primary: var(--gray-700);
  --text-secondary: var(--gray-500);
  --text-tertiary: var(--gray-400);
  --border-light: var(--gray-100);
  --border-medium: var(--gray-200);

  /* Accent - Apple Blue (used sparingly) */
  --accent: #007AFF;
  --accent-hover: #0056B3;
  --success: #34C759;
  --warning: #FF9500;
  --error: #FF3B30;

  /* Legacy aliases for compatibility */
  --primary: var(--black);
  --primary-dark: var(--gray-700);
  --secondary: var(--gray-500);
  --bg: var(--white);
  --bg-card: var(--white);
  --bg-lighter: var(--gray-50);
  --text: var(--gray-700);
  --text-muted: var(--gray-500);
  --border: var(--gray-100);

  /* Typography */
  --font-display: 'Cinzel', 'Times New Roman', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, monospace;

  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;

  /* Shadows - Subtle depth */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.06);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

/* ============================================
   BASE RESET & DEFAULTS
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  color-scheme: light only;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

h1 { font-size: 3rem; font-weight: 600; letter-spacing: 0.06em; }
h2 { font-size: 2rem; letter-spacing: 0.05em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--accent);
}

code, pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

/* ============================================
   ANIMATIONS - Keyframes
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Stagger animation utility classes */
.animate-in {
  animation: fadeInUp var(--duration-slow) var(--ease-out) forwards;
  opacity: 0;
}

.animate-delay-1 { animation-delay: 50ms; }
.animate-delay-2 { animation-delay: 100ms; }
.animate-delay-3 { animation-delay: 150ms; }
.animate-delay-4 { animation-delay: 200ms; }
.animate-delay-5 { animation-delay: 250ms; }
.animate-delay-6 { animation-delay: 300ms; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-8);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-light);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  transition: transform var(--duration-normal) var(--ease-out);
}

.logo:hover {
  transform: scale(1.08);
}

/* Full logo with text (for logos that include brand name) */
.logo-full {
  height: 100px;
  width: auto;
  object-fit: contain;
  transition: transform var(--duration-normal) var(--ease-out);
}

.logo-full:hover {
  transform: scale(1.03);
}

.logo-full.logo-small {
  height: 56px;
}

/* Text logo fallback */
.logo-text {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--black);
  color: var(--white);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  letter-spacing: -0.02em;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--black);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.dashboard {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

.dashboard-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.dashboard-header h1 {
  margin-bottom: var(--space-3);
}

.dashboard-header p {
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--duration-normal) var(--ease-out);
}

.card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.card-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.card-value {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

/* ============================================
   STATS GRID
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: background var(--duration-normal) var(--ease-out);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-medium);
}

.stat-card:hover::before {
  background: var(--black);
}

.stat-card.highlight {
  background: var(--black);
  border-color: var(--black);
}

.stat-card.highlight .stat-label,
.stat-card.highlight .stat-value,
.stat-card.highlight .stat-sub {
  color: var(--white);
}

.stat-card.highlight .stat-label {
  opacity: 0.6;
}

.stat-card.highlight:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Stat card h3 styling (used in Dashboard) */
.stat-card h3 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

.stat-card.highlight h3 {
  color: rgba(255, 255, 255, 0.6);
}

/* Dashboard header - connected state */
#dashboard-content .dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-10);
  animation: fadeInUp var(--duration-slow) var(--ease-out);
}

#dashboard-content .dashboard-header h1 {
  font-size: 2rem;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}

.stat-sub {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.stat-change.positive {
  color: var(--success);
  background: rgba(52, 199, 89, 0.1);
}

.stat-change.negative {
  color: var(--error);
  background: rgba(255, 59, 48, 0.1);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--gray-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--gray-100);
  border-color: var(--border-medium);
}

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

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

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
  border-radius: var(--radius-xl);
}

/* ============================================
   PANELS / SECTIONS
   ============================================ */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.panel:hover {
  box-shadow: var(--shadow-sm);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.panel-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.panel-content {
  padding: var(--space-6);
}

/* ============================================
   WALLET SECTION
   ============================================ */
.wallet-setup {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: var(--space-12);
  animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.wallet-setup h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.wallet-setup p {
  font-size: 1.125rem;
  max-width: 480px;
  margin-bottom: var(--space-8);
}

.wallet-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.wallet-info {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.balance-display {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  min-width: 280px;
  transition: all var(--duration-normal) var(--ease-out);
}

.balance-display:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.balance-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.balance-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.balance-usd {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

.pay-section {
  margin-top: var(--space-6);
}

/* ============================================
   API TESTER
   ============================================ */
.api-tester {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.api-tester:hover {
  box-shadow: var(--shadow-sm);
}

.api-tester-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.api-tester-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.api-tester-header p {
  font-size: 0.875rem;
  margin-top: var(--space-1);
}

.endpoint-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.endpoint-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.endpoint-btn:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.endpoint-btn .price {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
}

.endpoint-btn:hover .price {
  color: var(--gray-400);
}

.response-area {
  background: var(--gray-50);
  padding: var(--space-6);
  min-height: 200px;
  max-height: 400px;
  overflow: auto;
}

.response-area pre {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

.response-area .empty {
  color: var(--text-tertiary);
  font-style: italic;
}

/* ============================================
   ADMIN DASHBOARD
   ============================================ */
.admin-dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

.admin-header {
  margin-bottom: var(--space-10);
  animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.admin-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--space-2);
}

.admin-header p {
  font-size: 1rem;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

/* Revenue Chart */
.revenue-chart {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  transition: all var(--duration-normal) var(--ease-out);
}

.revenue-chart:hover {
  box-shadow: var(--shadow-sm);
}

.revenue-chart h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.chart-container {
  height: 200px;
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  padding: var(--space-4) 0;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 160px;
  width: 100%;
}

.chart-bar-container {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: flex-end;
}

.chart-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.chart-bar {
  flex: 1;
  background: var(--gray-100);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  min-height: 4px;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  cursor: pointer;
}

.chart-bar:hover {
  background: var(--black);
}

.chart-bar::after {
  content: attr(data-value);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-2);
  background: var(--black);
  color: var(--white);
  font-size: 0.6875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.chart-bar:hover::after {
  opacity: 1;
}

.chart-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-3);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

/* Admin Grid */
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

/* Override endpoint-list in admin context (used for rows, not buttons) */
.admin-dashboard .endpoint-list,
.admin-grid .endpoint-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  border-bottom: none;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-light);
}

.data-table td {
  padding: var(--space-4);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}

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

.data-table tr {
  transition: background var(--duration-fast) var(--ease-out);
}

.data-table tbody tr:hover {
  background: var(--gray-50);
}

.data-table .mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.data-table .text-right {
  text-align: right;
}

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

/* Endpoint & Transaction Rows */
.endpoint-row, .transaction-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--duration-fast) var(--ease-out);
}

.endpoint-row:last-child, .transaction-row:last-child {
  border-bottom: none;
}

.endpoint-row:hover, .transaction-row:hover {
  background: var(--gray-50);
}

.endpoint-name, .transaction-info {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.endpoint-stats, .transaction-amount {
  text-align: right;
}

.endpoint-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.endpoint-method {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.endpoint-path {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.endpoint-stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.endpoint-revenue {
  font-weight: 600;
  color: var(--text-primary);
}

.endpoint-calls {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Transaction List */
.transactions-list {
  max-height: 400px;
  overflow-y: auto;
}

.tx-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.tx-address {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.tx-endpoint {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-secondary);
}

.tx-details {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.tx-amount {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.tx-time {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

.transaction-amount {
  font-weight: 600;
  font-family: var(--font-mono);
}

.transaction-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Payers Table */
.payers-table {
  width: 100%;
}

.payers-list {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.payers-table th,
.payers-table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.payers-table th {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  background: var(--gray-50);
}

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

.payers-table tbody tr {
  transition: background var(--duration-fast) var(--ease-out);
}

.payers-table tbody tr:hover {
  background: var(--gray-50);
}

.payer-address {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
}

.payer-spent {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

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

.payer-time {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Admin Footer */
.admin-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-light);
}

.auto-refresh {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.auto-refresh .dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--gray-100);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.admin-loading, .admin-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  text-align: center;
}

.admin-loading .loading-spinner {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-4);
}

.admin-error {
  color: var(--error);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  color: var(--text-tertiary);
  text-align: center;
}

/* ============================================
   FORMS & INPUTS
   ============================================ */
.input-group {
  display: flex;
  gap: var(--space-3);
}

input, textarea, select {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--duration-fast) var(--ease-out);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

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

/* ============================================
   HERO SECTION (Landing Page)
   ============================================ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
  padding: var(--space-20) var(--space-8);
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-6);
  animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin-bottom: var(--space-10);
  animation: fadeInUp var(--duration-slow) var(--ease-out) 100ms backwards;
}

.hero .btn {
  animation: fadeInUp var(--duration-slow) var(--ease-out) 200ms backwards;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-10);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.highlight {
  background: linear-gradient(135deg, var(--black) 0%, var(--gray-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-preview {
  margin-top: var(--space-6);
}

.price-tag {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
  padding: var(--space-20) var(--space-8);
  background: var(--white);
}

.features h2 {
  text-align: center;
  margin-bottom: var(--space-12);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-medium);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.feature-card p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-4);
}

.feature-price {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-tertiary);
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works {
  padding: var(--space-20) var(--space-8);
  background: var(--gray-50);
}

.how-it-works h2 {
  text-align: center;
  margin-bottom: var(--space-12);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

.step {
  text-align: center;
  padding: var(--space-6);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--black);
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 50%;
  margin: 0 auto var(--space-6);
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
}

.step p {
  font-size: 0.9375rem;
}

/* ============================================
   X402 EXPLAINER SECTION
   ============================================ */
.x402-explainer {
  padding: var(--space-20) var(--space-8);
  background: var(--white);
}

.x402-explainer h2 {
  text-align: center;
  margin-bottom: var(--space-12);
}

.x402-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  max-width: 1100px;
  margin: 0 auto;
  align-items: center;
}

.x402-text p {
  font-size: 1.0625rem;
  margin-bottom: var(--space-4);
}

.x402-text strong {
  color: var(--text-primary);
}

.x402-code pre {
  background: var(--gray-700);
  color: var(--gray-100);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
  padding: var(--space-20) var(--space-8);
  background: var(--gray-50);
  text-align: center;
}

.cta h2 {
  margin-bottom: var(--space-4);
}

.cta p {
  font-size: 1.125rem;
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-12) var(--space-8);
  background: var(--white);
  border-top: 1px solid var(--border-light);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-brand .logo {
  width: 32px;
  height: 32px;
}

.footer-links {
  display: flex;
  gap: var(--space-8);
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* ============================================
   DOCUMENTATION
   ============================================ */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-12);
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
}

.docs-sidebar {
  position: sticky;
  top: calc(60px + var(--space-8));
  height: fit-content;
}

.docs-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.docs-nav a {
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
}

.docs-nav a:hover, .docs-nav a.active {
  background: var(--gray-50);
  color: var(--text-primary);
}

.docs-content {
  max-width: 800px;
}

.docs-content h1 {
  font-size: 2rem;
  margin-bottom: var(--space-6);
}

.docs-content h2 {
  font-size: 1.5rem;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.docs-content h3 {
  font-size: 1.125rem;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.docs-content p {
  margin-bottom: var(--space-4);
}

.docs-content pre {
  background: var(--gray-50);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-6);
}

.docs-content code {
  background: var(--gray-50);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.docs-content pre code {
  background: none;
  padding: 0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .admin-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: var(--space-3) var(--space-4);
  }

  .nav-links {
    display: none;
  }

  .dashboard {
    padding: var(--space-8) var(--space-4);
  }

  .admin-dashboard {
    padding: var(--space-8) var(--space-4);
  }

  .admin-stats {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .wallet-info {
    flex-direction: column;
    align-items: stretch;
  }

  .balance-display {
    min-width: auto;
  }

  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    position: static;
    margin-bottom: var(--space-8);
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .hero {
    padding: var(--space-12) var(--space-4);
    min-height: 60vh;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .endpoint-list {
    padding: var(--space-4);
    gap: var(--space-2);
  }

  .endpoint-btn {
    padding: var(--space-2) var(--space-3);
    font-size: 0.75rem;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-muted { color: var(--text-secondary); }
.text-small { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-mono { font-family: var(--font-mono); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   THIRDWEB COMPONENT OVERRIDES
   ============================================ */
[data-thirdweb] button,
[class*="tw-"] button {
  font-family: var(--font-sans) !important;
  border-radius: var(--radius-lg) !important;
}

/* Make thirdweb connect button match our design */
[data-thirdweb] [class*="ConnectButton"] {
  font-family: var(--font-sans) !important;
}

/* ============================================
   SELLER DASHBOARD
   ============================================ */
.seller-dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

.seller-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-10);
  animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.seller-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--space-2);
  margin-top: var(--space-4);
}

.seller-header p {
  font-size: 1rem;
}

.seller-header-actions {
  display: flex;
  gap: var(--space-3);
}

.seller-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

/* Ensure highlight card text is white in seller dashboard */
.seller-stats .stat-card.highlight {
  background: var(--black) !important;
  color: var(--white) !important;
}

.seller-stats .stat-card.highlight h3 {
  color: rgba(255, 255, 255, 0.7) !important;
}

.seller-stats .stat-card.highlight .stat-value {
  color: #FFFFFF !important;
}

.seller-stats .stat-card.highlight .stat-sub {
  color: rgba(255, 255, 255, 0.8) !important;
}

/* Dark stat card - guaranteed white text on black */
.stat-card.stat-card-dark {
  background: #000000 !important;
  border-color: #000000 !important;
}

.stat-card.stat-card-dark h3,
.stat-card.stat-card-dark .stat-value,
.stat-card.stat-card-dark .stat-sub {
  color: #ffffff !important;
}

.stat-card.stat-card-dark h3 {
  opacity: 0.7;
}

.stat-card.stat-card-dark .stat-sub {
  opacity: 0.8;
}

.seller-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.seller-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-light);
}

.seller-loading, .seller-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  text-align: center;
}

.seller-loading .loading-spinner {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-4);
}

.seller-error h2 {
  color: var(--error);
  margin-bottom: var(--space-4);
}

/* API List in Seller Dashboard */
.api-list {
  max-height: 400px;
  overflow-y: auto;
}

.api-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

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

.api-row:hover {
  background: var(--gray-50);
}

.api-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

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

.api-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.api-badge.active {
  background: rgba(52, 199, 89, 0.1);
  color: var(--success);
}

.api-badge.inactive {
  background: var(--gray-100);
  color: var(--text-secondary);
}

.api-stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.api-revenue {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.api-calls {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Earnings List */
.earnings-list {
  max-height: 400px;
  overflow-y: auto;
}

.earning-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--duration-fast) var(--ease-out);
}

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

.earning-row:hover {
  background: var(--gray-50);
}

.earning-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.earning-api {
  font-weight: 500;
  color: var(--text-primary);
}

.earning-buyer {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.earning-amounts {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.earning-net {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--success);
}

.earning-fee {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

.earning-time {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* API Detail View */
.api-detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.api-detail-header h1 {
  font-size: 2rem;
  margin: 0;
}

.api-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.api-status.active {
  background: rgba(52, 199, 89, 0.1);
  color: var(--success);
}

.api-status.inactive {
  background: var(--gray-100);
  color: var(--text-secondary);
}

.api-description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 600px;
}

.api-config {
  padding: var(--space-6);
}

.config-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-light);
}

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

.config-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.config-value {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
}

.config-value code {
  font-family: var(--font-mono);
  background: var(--gray-50);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

/* ============================================
   API REGISTRATION FORM
   ============================================ */
.api-form-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

.api-form-header {
  margin-bottom: var(--space-10);
}

.api-form-header h1 {
  font-size: 2rem;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.api-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.form-section h2 {
  font-size: 1.125rem;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-light);
}

.section-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: calc(-1 * var(--space-4));
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group-sm {
  flex-shrink: 0;
}

.form-row {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

/* HTTP Method Toggle */
.method-toggle {
  display: flex;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.method-btn {
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--bg-primary);
  border: none;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.method-btn:first-child {
  border-right: 1px solid var(--border-medium);
}

.method-btn:hover {
  background: var(--gray-50);
}

.method-btn.active {
  background: var(--black);
  color: var(--white);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--error);
}

.api-form input,
.api-form select,
.api-form textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: 0.9375rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
}

.api-form input:focus,
.api-form select:focus,
.api-form textarea:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.api-form input.input-error,
.api-form select.input-error,
.api-form textarea.input-error {
  border-color: var(--error);
}

.api-form textarea {
  resize: vertical;
  min-height: 80px;
}

.api-form textarea.code-input {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.form-error {
  display: block;
  font-size: 0.8125rem;
  color: var(--error);
  margin-top: var(--space-2);
}

.form-error-banner {
  background: rgba(255, 59, 48, 0.1);
  color: var(--error);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: var(--space-4);
}

.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}

/* Auth Type Selector */
.auth-type-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.auth-type-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.auth-type-option:hover {
  border-color: var(--gray-300);
}

.auth-type-option.selected {
  border-color: var(--black);
  background: var(--gray-50);
}

.auth-type-option input {
  width: auto;
  margin-top: 2px;
}

.auth-type-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.auth-type-label {
  font-weight: 500;
  color: var(--text-primary);
}

.auth-type-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Price Input */
.price-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.price-prefix {
  position: absolute;
  left: var(--space-4);
  font-weight: 500;
  color: var(--text-secondary);
}

.price-input-wrapper input {
  padding-left: var(--space-8);
}

.pricing-breakdown {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--gray-50);
  border-radius: var(--radius-md);
}

.pricing-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: var(--space-2) 0;
}

.pricing-row.highlight {
  font-weight: 600;
  color: var(--text-primary);
  padding-top: var(--space-3);
  margin-top: var(--space-2);
  border-top: 1px solid var(--border-light);
}

/* Form Actions */
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-light);
}

/* Form Success */
.api-form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  text-align: center;
  animation: fadeInScale var(--duration-slow) var(--ease-out);
}

.success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--success);
  color: var(--white);
  font-size: 2rem;
  border-radius: 50%;
  margin-bottom: var(--space-6);
}

.api-form-success h2 {
  margin-bottom: var(--space-2);
}

.api-form-success p {
  color: var(--text-secondary);
}

/* ============================================
   SELLER ONBOARDING
   ============================================ */
.seller-onboarding {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  padding: var(--space-12) var(--space-8);
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

.onboarding-back {
  position: absolute;
  top: var(--space-8);
  left: var(--space-8);
}

.onboarding-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 500px;
}

.onboarding-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  background: var(--gray-50);
  border-radius: 50%;
  margin-bottom: var(--space-8);
  color: var(--text-primary);
}

.seller-onboarding h1 {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.onboarding-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.onboarding-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
  text-align: left;
  margin-bottom: var(--space-8);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--gray-50);
  border-radius: var(--radius-md);
}

.feature-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--success);
  color: var(--white);
  font-size: 0.75rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.onboarding-error {
  width: 100%;
  background: rgba(255, 59, 48, 0.1);
  color: var(--error);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
}

.onboarding-terms {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--space-4);
  max-width: 360px;
}

/* ============================================
   RESPONSIVE - SELLER DASHBOARD
   ============================================ */
@media (max-width: 1200px) {
  .seller-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .seller-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .seller-dashboard {
    padding: var(--space-8) var(--space-4);
  }

  .seller-header {
    flex-direction: column;
    gap: var(--space-4);
  }

  .seller-stats {
    grid-template-columns: 1fr;
  }

  .auth-type-options {
    grid-template-columns: 1fr;
  }

  .api-form-container {
    padding: var(--space-8) var(--space-4);
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }

  .seller-onboarding {
    padding: var(--space-8) var(--space-4);
  }

  .onboarding-back {
    position: static;
    align-self: flex-start;
    margin-bottom: var(--space-8);
  }
}

/* ============================================
   MARKETPLACE LIST
   ============================================ */
.marketplace-list {
  max-height: 600px;
  overflow-y: auto;
}

.marketplace-api-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--duration-fast) var(--ease-out);
}

.marketplace-api-row:last-child {
  border-bottom: none;
}

.marketplace-api-row:hover {
  background: var(--gray-50);
}

.marketplace-api-info {
  flex: 1;
  min-width: 0;
}

.marketplace-api-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.marketplace-api-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1rem;
}

.marketplace-api-category {
  font-size: 0.6875rem;
  font-weight: 500;
  padding: var(--space-1) var(--space-2);
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.marketplace-api-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.marketplace-api-meta {
  display: flex;
  gap: var(--space-4);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.marketplace-api-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  margin-left: var(--space-6);
  flex-shrink: 0;
}

.marketplace-api-price .price-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.marketplace-api-price .price-label {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .marketplace-api-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .marketplace-api-price {
    margin-left: 0;
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
  }
}

.marketplace-api-row.clickable {
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.marketplace-api-row.clickable:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============================================
   API DETAIL PAGE - Redesigned
   ============================================ */

.api-detail-page {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-6);
}

/* Navigation */
.api-detail-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

/* Hero Section */
.api-hero {
  display: flex;
  gap: var(--space-8);
  padding: var(--space-8);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.api-hero-content {
  flex: 1;
}

.api-hero-badges {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.api-method-badge {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  background: var(--black);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}

.api-category-badge {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  background: var(--gray-100);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.api-hero-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--space-3) 0;
  line-height: 1.2;
}

.api-hero-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 var(--space-4) 0;
}

.api-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.api-seller {
  font-weight: 500;
}

.api-calls::before {
  content: "•";
  margin-right: var(--space-4);
  color: var(--gray-300);
}

/* Hero Action */
.api-hero-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  padding: var(--space-6);
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.api-price-display {
  text-align: center;
  margin-bottom: var(--space-4);
}

.api-price-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.api-price-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1;
}

.api-price-currency {
  display: block;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

.api-execute-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.api-connect-prompt {
  padding: var(--space-3) var(--space-4);
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-align: center;
}

.api-balance-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  width: 100%;
}

.balance-status {
  font-size: 0.8125rem;
  font-weight: 500;
}

.balance-status.ready {
  color: var(--success);
}

.balance-status.low {
  color: var(--error);
}

/* Error state */
.api-detail-error {
  text-align: center;
  padding: var(--space-12);
}

.api-detail-error h2 {
  color: var(--error);
  margin-bottom: var(--space-4);
}

/* API Detail Panels - override base panel overflow */
.api-detail-page .panel {
  overflow: visible;
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

/* Fund Panel */
.fund-panel {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-6);
}

/* Request Panel */
.request-panel {
  margin-bottom: var(--space-6);
}

.request-panel h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--space-2) 0;
}

.panel-hint {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin: 0 0 var(--space-4) 0;
}

.code-textarea {
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  resize: vertical;
  background: var(--gray-50);
}

.code-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
}

/* Response Panel */
.response-panel {
  margin-bottom: var(--space-6);
}

.response-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.response-header h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.response-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}

.response-badge.success {
  background: rgba(52, 199, 89, 0.15);
  color: var(--success);
}

.response-badge.error {
  background: rgba(255, 59, 48, 0.15);
  color: var(--error);
}

.response-error {
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  background: rgba(255, 59, 48, 0.1);
  border-radius: var(--radius-sm);
  color: var(--error);
  font-size: 0.875rem;
}

.response-body {
  padding: var(--space-4);
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  background: #1a1a1a;
  color: #f0f0f0;
  border-radius: var(--radius-md);
  overflow-x: auto;
  max-height: 400px;
}

/* Integration Panel */
.integration-panel {
  margin-bottom: var(--space-6);
}

.integration-panel h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-5) 0;
}

.endpoint-display {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--gray-50);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}

.endpoint-method {
  padding: var(--space-2) var(--space-3);
  background: var(--black);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.endpoint-url {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-primary);
  word-break: break-all;
}

.endpoint-display .copy-btn {
  position: static;
  background: var(--white);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.endpoint-display .copy-btn:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

/* Code Tabs */
.code-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.code-tab {
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.code-tab:hover {
  background: var(--gray-50);
  color: var(--text-primary);
}

.code-tab.active {
  background: var(--black);
  color: var(--white);
}

/* Code Block */
.code-block-wrapper {
  position: relative;
}

.code-copy-btn {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--gray-400);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  z-index: 1;
}

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

.code-block {
  padding: var(--space-4);
  padding-right: var(--space-12);
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  background: #1a1a1a;
  color: #f0f0f0;
  border-radius: var(--radius-md);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.integration-note {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: rgba(0, 122, 255, 0.08);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Examples Panel */
.examples-panel {
  margin-bottom: var(--space-6);
}

.examples-panel h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-5) 0;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
}

.example-block h4 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-2) 0;
}

.example-code {
  padding: var(--space-3);
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  background: var(--gray-50);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Responsive */
@media (max-width: 768px) {
  .api-detail-page {
    padding: var(--space-4);
  }

  .api-hero {
    flex-direction: column;
    gap: var(--space-6);
    padding: var(--space-5);
  }

  .api-hero-action {
    width: 100%;
    min-width: auto;
  }

  .api-hero-title {
    font-size: 1.5rem;
  }

  .api-hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }

  .api-calls::before {
    display: none;
  }

  .endpoint-display {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .endpoint-display .copy-btn {
    width: 100%;
    text-align: center;
  }

  .code-tabs {
    flex-wrap: wrap;
  }

  .examples-grid {
    grid-template-columns: 1fr;
  }
}