/*
 * BlackPool Predictive Audiences API
 * Deep Tech Mystique Design System - Refined Edition
 */

:root {
  --primary: #0c0c0f;
  --secondary: #fafafa;
  --accent: #a5b4fc;
  --accent-hover: #818cf8;
  --accent-muted: #6366f1;
  --accent-glow: rgba(165, 180, 252, 0.15);
  --dark: #0c0c0f;
  --darker: #060608;
  --light: #fafafa;
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-300: #d4d4d8;
  --gray-400: #a1a1aa;
  --gray-500: #71717a;
  --gray-600: #52525b;
  --gray-700: #3f3f46;
  --gray-800: #27272a;
  --gray-900: #18181b;
  --border: #27272a;
  --border-subtle: #1f1f23;
  --border-bright: #3f3f46;
  --card-bg: #111114;
  --card-bg-elevated: #1a1a1e;
  --success: #4ade80;
  --danger: #f87171;
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --card-shadow-hover: 0 8px 32px rgba(165, 180, 252, 0.1);
  --glow-subtle: 0 0 20px rgba(165, 180, 252, 0.05);
  --glow-strong: 0 0 40px rgba(165, 180, 252, 0.1);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Theme */
[data-theme="light"] {
  --primary: #fafafa;
  --secondary: #18181b;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-muted: #6366f1;
  --accent-glow: rgba(79, 70, 229, 0.12);
  --dark: #ffffff;
  --darker: #f8fafc;
  --light: #18181b;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #334155;
  --gray-400: #475569;
  --gray-500: #64748b;
  --gray-600: #94a3b8;
  --gray-700: #e2e8f0;
  --gray-800: #f1f5f9;
  --gray-900: #f8fafc;
  --border: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-bright: #cbd5e1;
  --card-bg: #ffffff;
  --card-bg-elevated: #f1f5f9;
  --success: #16a34a;
  --danger: #dc2626;
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --card-shadow-hover: 0 8px 32px rgba(79, 70, 229, 0.12);
  --glow-subtle: 0 0 20px rgba(79, 70, 229, 0.06);
  --glow-strong: 0 0 40px rgba(79, 70, 229, 0.1);
}

[data-theme="light"] body::before {
  background-image: 
    linear-gradient(rgba(79, 70, 229, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 70, 229, 0.04) 1px, transparent 1px);
}

[data-theme="light"] nav {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: #e2e8f0;
}

[data-theme="light"] nav .logo {
  color: #18181b;
}

[data-theme="light"] nav a {
  color: #475569;
}

[data-theme="light"] nav a:hover {
  color: #4f46e5;
}

[data-theme="light"] .code-preview {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .code-preview code {
  color: #334155;
}

[data-theme="light"] .code-header {
  background: #f1f5f9;
  border-bottom-color: #e2e8f0;
}

[data-theme="light"] .code-title {
  color: #64748b;
}

[data-theme="light"] .error-banner,
[data-theme="light"] .alert {
  background: rgba(220, 38, 38, 0.08);
  border-color: rgba(220, 38, 38, 0.25);
}

[data-theme="light"] .error-banner-content strong,
[data-theme="light"] .error-banner-icon {
  color: #dc2626;
}

[data-theme="light"] .error-banner-content li {
  color: #b91c1c;
}

[data-theme="light"] .notice {
  background: rgba(79, 70, 229, 0.08);
  border-color: rgba(79, 70, 229, 0.25);
  color: #475569;
}

[data-theme="light"] footer {
  background: #f8fafc;
  border-top-color: #e2e8f0;
}

[data-theme="light"] footer p {
  color: #64748b;
}

[data-theme="light"] footer a {
  color: #475569;
}

[data-theme="light"] footer a:hover {
  color: #4f46e5;
}

[data-theme="light"] .btn-success {
  background: #4f46e5;
  color: #ffffff;
}

[data-theme="light"] .btn-success:hover {
  background: #4338ca;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

[data-theme="light"] .btn-secondary {
  background: #ffffff;
  color: #18181b;
  border-color: #e2e8f0;
}

[data-theme="light"] .btn-secondary:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

[data-theme="light"] .btn-danger {
  background: rgba(220, 38, 38, 0.1);
  color: #dc2626;
  border-color: rgba(220, 38, 38, 0.3);
}

[data-theme="light"] .btn-danger:hover {
  background: rgba(220, 38, 38, 0.15);
  border-color: rgba(220, 38, 38, 0.5);
}

[data-theme="light"] input[type="text"],
[data-theme="light"] input[type="email"],
[data-theme="light"] input[type="password"],
[data-theme="light"] input[type="number"],
[data-theme="light"] select,
[data-theme="light"] textarea {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #18181b;
}

[data-theme="light"] input:focus,
[data-theme="light"] select:focus,
[data-theme="light"] textarea:focus {
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

[data-theme="light"] input::placeholder {
  color: #94a3b8;
}

[data-theme="light"] .api-key-value {
  color: #4f46e5;
}

[data-theme="light"] .table th {
  background: #f8fafc;
  color: #64748b;
}

[data-theme="light"] .table tbody tr:hover,
[data-theme="light"] .admin-table tbody tr:hover {
  background: #f8fafc;
}

[data-theme="light"] .problem-card li::before {
  color: #dc2626;
}

[data-theme="light"] .solution-card li::before,
[data-theme="light"] .pricing-features li::before {
  color: #4f46e5;
}

[data-theme="light"] .step-number {
  background: #4f46e5;
  color: #ffffff;
}

[data-theme="light"] .pricing-badge {
  background: #4f46e5;
  color: #ffffff;
}

[data-theme="light"] .metric-value {
  color: #4f46e5;
}

[data-theme="light"] .hero-badge {
  background: rgba(79, 70, 229, 0.1);
  border-color: rgba(79, 70, 229, 0.25);
  color: #4f46e5;
}

[data-theme="light"] .container--flush-top::before {
  background: radial-gradient(ellipse at center top, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
}

[data-theme="light"] .cta-section::before {
  background: radial-gradient(ellipse at center top, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
}

[data-theme="light"] .status-badge.status-active {
  background: rgba(22, 163, 74, 0.1);
  color: #16a34a;
  border-color: rgba(22, 163, 74, 0.3);
}

[data-theme="light"] .badge-success {
  background: rgba(22, 163, 74, 0.1);
  color: #16a34a;
}

[data-theme="light"] .badge-info {
  background: rgba(79, 70, 229, 0.1);
  color: #4f46e5;
}

[data-theme="light"] .user-avatar,
[data-theme="light"] .user-avatar-large,
[data-theme="light"] .author-avatar {
  background: rgba(79, 70, 229, 0.1);
  color: #4f46e5;
}

[data-theme="light"] .empty-state-icon {
  background: rgba(79, 70, 229, 0.1);
  color: #4f46e5;
}

[data-theme="light"] .card-icon.accent {
  background: rgba(79, 70, 229, 0.1);
  color: #4f46e5;
}

[data-theme="light"] .use-case-stat {
  background: rgba(79, 70, 229, 0.1);
  color: #4f46e5;
}

[data-theme="light"] .waitlist-input {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #18181b;
}

[data-theme="light"] .waitlist-input:focus {
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

[data-theme="light"] .waitlist-input::placeholder {
  color: #94a3b8;
}

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

html {
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-300);
  background: var(--dark);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

.page-wrapper {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

/* Subtle grid background for depth */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(165, 180, 252, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(165, 180, 252, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -1;
}

/* ========================================
   Navigation
   ======================================== */
nav {
  background: rgba(9, 9, 11, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

nav .logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--secondary);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

nav a {
  color: var(--gray-400);
  text-decoration: none;
  margin: 0 1.25rem;
  transition: var(--transition-fast);
  font-weight: 500;
  font-size: 0.8125rem;
}

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

/* ========================================
   Layout & Containers
   ======================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem;
  overflow: hidden;
}

.container--flush-top {
  padding-top: 0;
  position: relative;
  overflow: hidden;
}

.container--flush-top::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  max-width: 100%;
  height: 500px;
  background: radial-gradient(ellipse at center top, rgba(165, 180, 252, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.section {
  padding: 6rem 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
}

.section > * {
  max-width: 100%;
}

.section-dark {
  background: var(--card-bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 6rem 2.5rem;
  max-width: 100%;
  margin: 0;
  overflow: hidden;
}

.section-dark > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 400;
}

.signal-section {
  position: relative;
}

.signal-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(165, 180, 252, 0.1), transparent 65%);
  opacity: 0.9;
  pointer-events: none;
}

.signal-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.signal-card {
  background: var(--card-bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition);
}

.signal-card:hover {
  border-color: var(--accent-muted);
  transform: translateY(-2px);
}

.signal-lift {
  display: block;
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 1rem;
}

.signal-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.375rem;
}

.signal-card p {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin: 0;
}

.signal-footnote {
  text-align: center;
  color: var(--gray-500);
  font-size: 0.8125rem;
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

.signal-cards--secondary {
  margin-top: 2rem;
}

.signal-card--drop {
  background: var(--card-bg);
}

.signal-lift--negative {
  color: #ef4444;
}

[data-theme="light"] .signal-lift--negative {
  color: #dc2626;
}

[data-theme="light"] .signal-section::before {
  background: radial-gradient(circle at top, rgba(79, 70, 229, 0.08), transparent 70%);
}

[data-theme="light"] .signal-card {
  background: #ffffff;
}

[data-theme="light"] .signal-lift {
  color: #4f46e5;
}

@media (max-width: 768px) {
  .signal-cards {
    grid-template-columns: 1fr;
    max-width: 320px;
  }

  .signal-card {
    padding: 1.5rem 1.25rem;
  }

  .signal-lift {
    font-size: 2.25rem;
  }
}

.outcome-section {
  margin-top: 3rem;
  position: relative;
  z-index: 1;
}

.reports-hero {
  padding-top: 6rem;
}

.report-note {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--gray-500);
  font-size: 0.85rem;
}

.report-metrics {
  padding-top: 2rem;
}

.report-summary {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--gray-400);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.report-charts {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 1.5rem;
}

.report-chart {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
}

.report-chart h3 {
  color: var(--secondary);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.bar-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}

.bar-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(63, 63, 70, 0.4);
  overflow: hidden;
}

.bar-fill {
  display: block;
  height: 100%;
  background: #60a5fa;
  border-radius: 999px;
}

.bar-fill--accent {
  background: #f59e0b;
}

[data-theme="light"] .report-chart {
  background: #ffffff;
}

[data-theme="light"] .bar-track {
  background: rgba(79, 70, 229, 0.08);
}

@media (max-width: 768px) {
  .report-row {
    grid-template-columns: 1fr;
  }

  .bar-row {
    grid-template-columns: 1fr;
  }
}

.reports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 1.5rem;
}

.report-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.report-card h2 {
  color: var(--secondary);
  font-size: 1.25rem;
}

.report-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.report-table {
  display: grid;
  gap: 0.5rem;
}

.report-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: 12px;
  background: rgba(17, 17, 20, 0.6);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--gray-300);
}

.report-row-header {
  font-weight: 600;
  color: var(--gray-200);
  background: rgba(17, 17, 20, 0.9);
}

.report-actions {
  display: grid;
  gap: 1rem;
}

.report-actions h3 {
  color: var(--secondary);
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.report-actions p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.api-preview {
  display: grid;
  gap: 1.5rem;
}

.api-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: var(--card-shadow);
}

.api-card h2 {
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

[data-theme="light"] .report-card,
[data-theme="light"] .api-card {
  background: #ffffff;
}

[data-theme="light"] .report-row {
  background: #f8fafc;
}

@media (max-width: 768px) {
  .report-row {
    grid-template-columns: 1fr;
  }
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: 1.5rem;
}

.outcome-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
}

.outcome-card h3 {
  color: var(--secondary);
  font-size: 1.0625rem;
  margin-bottom: 0.75rem;
}

.outcome-card p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.6;
}

[data-theme="light"] .outcome-card {
  background: #ffffff;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  text-align: center;
  padding: 7rem 0 5rem;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.hero-badge {
  display: inline-block;
  background: var(--accent-glow);
  border: 1px solid rgba(165, 180, 252, 0.2);
  color: var(--accent);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 4.5vw, 3.25rem);
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--secondary);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.1875rem;
  color: var(--gray-400);
  max-width: 680px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hero-note {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* ========================================
   Social Proof Bar
   ======================================== */
.social-proof-bar {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
}

.social-proof-bar p {
  color: var(--gray-500);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.logo-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.client-logo {
  color: var(--gray-500);
  font-size: 1.125rem;
  font-weight: 600;
  opacity: 0.6;
  transition: var(--transition-fast);
}

.client-logo:hover {
  opacity: 1;
  color: var(--gray-300);
}

/* ========================================
   Problem/Solution Section
   ======================================== */
.problem-solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 1.5rem;
  width: 100%;
  max-width: 100%;
}

.problem-card,
.solution-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: var(--transition);
  overflow: hidden;
  min-width: 0;
}

.problem-card:hover,
.solution-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
}

.problem-card {
  border-color: rgba(248, 113, 113, 0.2);
}

.solution-card {
  border-color: rgba(165, 180, 252, 0.3);
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(165, 180, 252, 0.03) 100%);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  background: rgba(248, 113, 113, 0.1);
  color: var(--danger);
}

.card-icon.accent {
  background: var(--accent-glow);
  color: var(--accent);
}

.problem-card h3,
.solution-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--secondary);
}

.problem-card ul,
.solution-card ul {
  list-style: none;
  padding: 0;
}

.problem-card li,
.solution-card li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--gray-400);
  font-size: 0.9375rem;
}

.problem-card li::before {
  content: "x";
  position: absolute;
  left: 0;
  color: var(--danger);
  font-weight: 500;
}

.solution-card li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 500;
}

/* ========================================
   Metrics Section
   ======================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: 1.5rem;
}

.metric-card {
  background: var(--card-bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

.metric-card:hover {
  border-color: var(--accent-muted);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.metric-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.25rem;
}

.metric-detail {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* ========================================
   Steps Section
   ======================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
  width: 100%;
  max-width: 100%;
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
  min-width: 0;
}

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

.step-number {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 10px;
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
}

.step-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.step-card p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ========================================
   Code Preview
   ======================================== */
.code-preview {
  background: var(--darker);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  max-width: 100%;
}

.code-header {
  background: var(--card-bg);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gray-700);
}

.code-dot:first-child { background: #ff5f57; }
.code-dot:nth-child(2) { background: #febc2e; }
.code-dot:nth-child(3) { background: #28c840; }

.code-title {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.code-preview pre {
  padding: 1.5rem;
  margin: 0;
  overflow-x: auto;
  max-width: 100%;
}

.code-preview code {
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  font-size: 0.8125rem;
  color: var(--gray-300);
  line-height: 1.6;
  white-space: pre;
}

/* ========================================
   Use Cases Section
   ======================================== */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 1.5rem;
  width: 100%;
  max-width: 100%;
}

.use-case-card {
  background: var(--card-bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: var(--transition);
  overflow: hidden;
  min-width: 0;
}

.use-case-card:hover {
  border-color: var(--accent-muted);
  transform: translateY(-4px);
}

.use-case-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.use-case-card p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.use-case-stat {
  display: inline-block;
  background: var(--accent-glow);
  color: var(--accent);
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: var(--transition);
}

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

.testimonial-content p {
  color: var(--gray-300);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: 50%;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-info strong {
  color: var(--secondary);
  font-size: 0.9375rem;
}

.author-info span {
  color: var(--gray-500);
  font-size: 0.8125rem;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 1.5rem;
  align-items: start;
  width: 100%;
  max-width: 100%;
}

.pricing-card {
  background: var(--card-bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  padding-top: 2.5rem;
  position: relative;
  transition: var(--transition);
  min-width: 0;
}

.pricing-card:hover {
  border-color: var(--gray-600);
}

.pricing-featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--card-bg-elevated) 0%, rgba(165, 180, 252, 0.05) 100%);
  transform: scale(1.02);
}

.pricing-featured:hover {
  border-color: var(--accent);
}

.pricing-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent);
  color: var(--dark);
  padding: 0.375rem 1rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pricing-header {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.pricing-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-500);
}

.pricing-period {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: 0.5rem;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.625rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--gray-300);
  font-size: 0.9375rem;
}

.pricing-features li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.pricing-note {
  text-align: center;
  margin-top: 3rem;
  padding: 2rem;
  background: var(--card-bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.pricing-note p {
  color: var(--gray-400);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-coming-soon {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.coming-soon-content {
  text-align: center;
  padding: 3rem;
  background: var(--card-bg);
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}

.coming-soon-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.coming-soon-content > p {
  font-size: 1.125rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.coming-soon-features {
  background: var(--card-bg-elevated);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2.5rem;
  border: 1px solid var(--border-subtle);
}

.coming-soon-features h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 1.25rem;
  text-align: left;
}

.coming-soon-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
}

.coming-soon-features li {
  padding: 0.75rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--gray-300);
  font-size: 1rem;
  line-height: 1.6;
}

.coming-soon-features li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.coming-soon-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.pricing-footer {
  max-width: 1200px;
  margin: 3rem auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.pricing-guarantee,
.pricing-enterprise {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  text-align: center;
}

.pricing-guarantee h2,
.pricing-guarantee h3,
.pricing-enterprise h2,
.pricing-enterprise h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.pricing-guarantee p,
.pricing-enterprise p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.pricing-faq {
  max-width: 1200px;
  margin: 4rem auto 0;
}

.pricing-faq h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 2rem;
  text-align: center;
  letter-spacing: -0.02em;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.faq-item {
  background: var(--card-bg);
  padding: 1.75rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.faq-item h3,
.faq-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.faq-item p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse at center top, rgba(165, 180, 252, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.cta-content h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta-content > p {
  font-size: 1.125rem;
  color: var(--gray-400);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.cta-note {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.cta-note a {
  color: var(--accent);
  text-decoration: none;
}

.cta-note a:hover {
  text-decoration: underline;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-success {
  background: var(--accent);
  color: var(--dark);
}

.btn-success:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(165, 180, 252, 0.4);
}

.btn-secondary {
  background: var(--gray-800);
  color: var(--secondary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--gray-700);
  border-color: var(--gray-600);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-link {
  background: none;
  border: none;
  color: var(--gray-400);
  text-decoration: none;
  padding: 0;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: inherit;
  font-family: inherit;
}

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

/* ========================================
   Cards (Generic)
   ======================================== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin: 1.5rem 0;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--gray-600);
}

.card h2 {
  color: var(--secondary);
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.card h3 {
  color: var(--secondary);
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 1.125rem;
}

/* ========================================
   Stats (Legacy Support)
   ======================================== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: 1px;
  background: var(--border);
  margin: 2rem 0;
}

.stat-card {
  background: var(--card-bg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  background: var(--card-bg-elevated);
}

.stat-card h3 {
  font-size: 2.5rem;
  font-weight: 200;
  color: var(--secondary);
  margin: 0;
}

.stat-card p {
  margin: 0.5rem 0 0 0;
  color: var(--gray-400);
  font-weight: 400;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--gray-300);
  font-weight: 400;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  background: var(--darker);
  color: var(--light);
  font-size: 0.9375rem;
  transition: var(--transition-fast);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--secondary);
  box-shadow: var(--glow-subtle);
}

input::placeholder {
  color: var(--gray-600);
}

/* ========================================
   Tables
   ======================================== */
.table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.table th,
.table td {
  padding: 1rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table th {
  background: var(--card-bg);
  color: var(--gray-400);
  font-weight: 500;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.table tbody tr {
  transition: var(--transition-fast);
}

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

/* ========================================
   API Key Display
   ======================================== */
.api-key {
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  background: var(--darker);
  padding: 1rem;
  border: 1px solid var(--border);
  word-break: break-all;
  font-size: 0.8125rem;
  color: var(--gray-300);
}

/* ========================================
   Alerts & Notices
   ======================================== */
.alert {
  background: rgba(255, 51, 51, 0.05);
  border: 1px solid rgba(255, 51, 51, 0.2);
  color: #ff6666;
  padding: 1rem 1.5rem;
  margin: 1rem 0;
  font-size: 0.875rem;
}

.notice {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-bright);
  color: var(--gray-300);
  padding: 1rem 1.5rem;
  margin: 1rem 0;
  font-size: 0.875rem;
}

/* ========================================
   Footer
   ======================================== */
footer {
  background: var(--darker);
  border-top: 1px solid var(--border);
  padding: 2rem 2.5rem;
  margin-top: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-left {
  text-align: left;
}

footer p {
  margin: 0.25rem 0;
  color: var(--gray-600);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

footer a {
  color: var(--gray-500);
  text-decoration: none;
  transition: var(--transition-fast);
}

footer a:hover {
  color: var(--secondary);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
  .container {
    padding: 1.5rem 1rem;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

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

  .section {
    padding: 3rem 0;
  }

  .section-dark {
    padding: 3rem 0;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }

  .logo-grid {
    gap: 2rem;
  }

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

  nav {
    padding: 1rem;
  }

  nav a {
    margin: 0 0.5rem;
    font-size: 0.75rem;
  }

  .code-preview {
    border-radius: 8px;
  }

  .code-preview pre {
    font-size: 0.625rem;
    padding: 1rem;
  }

  .problem-solution-grid,
  .steps-grid,
  .use-cases-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .problem-card,
  .solution-card,
  .step-card,
  .use-case-card,
  .pricing-card {
    padding: 1.5rem;
  }

  .pricing-featured {
    transform: none;
  }

  .waitlist-input-group {
    flex-direction: column;
  }

  .waitlist-input-group .btn {
    width: 100%;
  }

  footer {
    padding: 2rem 1rem;
  }
}

@media (max-width: 480px) {
  .metric-value {
    font-size: 2.5rem;
  }

  .pricing-price {
    font-size: 2.5rem;
  }

  nav .logo {
    font-size: 1rem;
  }

  .waitlist-form-container {
    max-width: 100%;
  }
}

/* Extra small screens (375px and below) */
@media (max-width: 390px) {
  html, body {
    max-width: 100vw;
  }

  .container {
    padding: 1rem 0.75rem;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .section-dark {
    padding: 2.5rem 0;
  }

  nav {
    padding: 0.75rem;
  }

  .code-preview pre {
    font-size: 0.625rem;
    padding: 0.75rem;
  }

  footer {
    padding: 1.5rem 0.75rem;
  }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero,
.section {
  animation: fadeInUp 0.8s ease-out;
}

/* ========================================
   Legacy Support
   ======================================== */
.line-chart {
  width: 100%;
  height: 200px;
  background: var(--card-bg);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}

.line-chart svg {
  width: 100%;
  height: 100%;
}

.line-chart path {
  stroke: var(--secondary);
  stroke-width: 1;
  fill: none;
}

.testimonial {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 2rem;
  margin: 1rem 0;
}

.testimonial blockquote {
  font-style: normal;
  margin: 0 0 1rem 0;
  color: var(--gray-300);
  font-weight: 300;
}

.testimonial cite {
  font-weight: 500;
  color: var(--gray-500);
  font-size: 0.8125rem;
}

blockquote {
  border-left: 1px solid var(--secondary);
  padding-left: 1.5rem;
  margin: 1rem 0;
  color: var(--gray-300);
  font-style: normal;
}

blockquote cite {
  display: block;
  margin-top: 0.5rem;
  font-style: normal;
  font-weight: 500;
  color: var(--gray-500);
}

/* Loading states */
.loading {
  opacity: 0.4;
  pointer-events: none;
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

.page-header-centered {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary);
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
}

.page-header p {
  color: var(--gray-400);
  margin: 0;
}

.page-header-actions {
  display: flex;
  gap: 0.75rem;
}

/* ========================================
   Section Cards
   ======================================== */
.section-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.section-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.section-card-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--secondary);
  margin: 0;
}

.section-card-footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.section-card-footer a:hover {
  text-decoration: underline;
}

/* ========================================
   Dashboard Layout
   ======================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.dashboard-metrics {
  margin-bottom: 2rem;
}

.status-active {
  color: var(--success) !important;
  font-size: 1.5rem !important;
}

/* ========================================
   Empty States
   ======================================== */
.empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--gray-400);
}

.empty-state p {
  margin-bottom: 1rem;
}

.empty-state-banner {
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(165, 180, 252, 0.05) 100%);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.empty-state-banner h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.empty-state-banner p {
  color: var(--gray-400);
  margin-bottom: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.empty-state-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4rem 2rem;
  text-align: center;
}

.empty-state-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.empty-state-card p {
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

/* ========================================
   API Key List
   ======================================== */
.api-key-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.api-key-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--darker);
  border: 1px solid var(--border);
  border-radius: 8px;
  gap: 1rem;
  flex-wrap: wrap;
}

.api-key-info {
  flex: 1;
  min-width: 200px;
}

.api-key-name {
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.25rem;
}

.api-key-value {
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  font-size: 0.8125rem;
  color: var(--accent);
  background: transparent;
  padding: 0;
  border: none;
  word-break: break-all;
  display: block;
}

.api-key-meta {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.api-key-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ========================================
   Subscription Details
   ======================================== */
.subscription-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.detail-label {
  color: var(--gray-500);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-value {
  color: var(--secondary);
  font-weight: 400;
  font-size: 0.875rem;
}

/* ========================================
   Quick Start Card
   ======================================== */
.quick-start-card {
  margin-top: 1.5rem;
}

.quick-start-card p {
  color: var(--gray-400);
  margin-bottom: 1rem;
  font-weight: 300;
}

.quick-start-footer {
  margin-top: 1.5rem;
}

/* ========================================
   Info Card
   ======================================== */
.info-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.info-card h3 {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--secondary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.info-card p {
  color: var(--gray-400);
  font-size: 0.875rem;
  font-weight: 300;
}

.info-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-card li {
  padding: 0.375rem 0;
  padding-left: 1.25rem;
  position: relative;
  color: var(--gray-400);
  font-size: 0.8125rem;
  font-weight: 300;
}

.info-card li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--gray-500);
  font-weight: 300;
}

/* ========================================
   Form Card
   ======================================== */
.form-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 2rem;
  max-width: 600px;
}

.form-card h2 {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--secondary);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.form-card h3 {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--secondary);
  margin: 1.5rem 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 0.5rem;
  font-weight: 300;
}

.form-hint-warning {
  color: #ffaa00;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-checkbox input[type="checkbox"] {
  width: auto;
}

.form-checkbox label {
  margin: 0;
  display: inline;
}

.form-divider {
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}

.form-description {
  color: var(--gray-400);
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  font-weight: 300;
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-link {
  font-size: 0.75rem;
  color: var(--gray-400);
  text-decoration: none;
}

.form-link:hover {
  color: var(--secondary);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23505050'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

/* ========================================
   Button Variants
   ======================================== */
.btn-small {
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
}

.btn-danger {
  background: rgba(248, 113, 113, 0.1);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.btn-danger:hover {
  background: rgba(248, 113, 113, 0.2);
  border-color: rgba(248, 113, 113, 0.5);
}

/* ========================================
   Status Badges
   ======================================== */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.status-badge.status-active {
  background: rgba(74, 222, 128, 0.1);
  color: var(--success);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-success {
  background: rgba(74, 222, 128, 0.1);
  color: var(--success);
}

.badge-secondary {
  background: rgba(113, 113, 122, 0.1);
  color: var(--gray-400);
}

.badge-info {
  background: var(--accent-glow);
  color: var(--accent);
}

/* ========================================
   Admin Tables
   ======================================== */
.admin-table-wrapper {
  overflow-x: auto;
}

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

.admin-table th,
.admin-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.admin-table th {
  color: var(--gray-500);
  font-weight: 500;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.admin-table td {
  color: var(--gray-300);
  font-size: 0.875rem;
}

.admin-table tbody tr:hover {
  background: var(--card-bg);
}

.actions-cell {
  display: flex;
  gap: 0.5rem;
}

.table-meta {
  font-size: 0.6875rem;
  color: var(--gray-600);
  margin-top: 0.25rem;
}

/* ========================================
   User Cells
   ======================================== */
.user-cell {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.user-avatar-large {
  width: 64px;
  height: 64px;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ========================================
   Admin Grid
   ======================================== */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr));
  gap: 1.5rem;
}

.plan-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.plan-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--darker);
  border-radius: 8px;
}

.plan-item-info strong {
  color: var(--secondary);
  display: block;
}

.plan-price {
  font-size: 0.8125rem;
  color: var(--gray-400);
}

/* ========================================
   Danger Zone
   ======================================== */
.danger-zone {
  border-color: rgba(255, 51, 51, 0.2);
}

.danger-zone h2 {
  color: #ff6666;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.danger-zone p {
  color: var(--gray-400);
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  font-weight: 300;
}

.danger-action {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* ========================================
   Settings Grid
   ======================================== */
.settings-grid {
  display: grid;
  gap: 1.5rem;
  max-width: 700px;
}

/* ========================================
   Authentication Pages
   ======================================== */
.auth-page {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--gray-400);
  font-size: 0.9375rem;
}

.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.auth-form .form-group {
  margin-bottom: 1.25rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.auth-footer p {
  color: var(--gray-400);
  font-size: 0.875rem;
  margin: 0;
}

.auth-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.auth-trust {
  text-align: center;
  margin-top: 2rem;
}

.auth-trust p {
  color: var(--gray-500);
  font-size: 0.8125rem;
  margin-bottom: 0.75rem;
}

.auth-features {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.auth-features span {
  color: var(--gray-400);
  font-size: 0.8125rem;
}
  color: var(--gray-500);
  font-size: 0.75rem;
}

/* ========================================
   Error Banner
   ======================================== */
.error-banner {
  display: flex;
  gap: 1rem;
  background: rgba(255, 51, 51, 0.05);
  border: 1px solid rgba(255, 51, 51, 0.2);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.error-banner-icon {
  width: 20px;
  height: 20px;
  background: transparent;
  border: 1px solid rgba(255, 51, 51, 0.3);
  color: #ff6666;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 400;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.error-banner-content strong {
  color: #ff6666;
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.error-banner-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.error-banner-content li {
  color: #ff9999;
  font-size: 0.8125rem;
  padding: 0.125rem 0;
  font-weight: 300;
}

/* ========================================
   Documentation Layout
   ======================================== */
.docs-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.docs-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.docs-nav h4 {
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin: 2rem 0 0.75rem;
}

.docs-nav h4:first-child {
  margin-top: 0;
}

.docs-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.docs-nav li {
  padding: 0.375rem 0;
}

.docs-nav a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: var(--transition-fast);
  font-weight: 300;
}

.docs-nav a:hover {
  color: var(--secondary);
}

.docs-section {
  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border);
}

.docs-section:last-child {
  border-bottom: none;
}

/* ========================================
   Utility Classes
   ======================================== */
/* ========================================
   Waitlist Form
   ======================================== */
.waitlist-form-container {
  max-width: 480px;
  margin: 0 auto;
}

.waitlist-form {
  width: 100%;
}

.waitlist-input-group {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.waitlist-input {
  flex: 1;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--darker);
  color: var(--light);
  font-size: 1rem;
  transition: var(--transition-fast);
  outline: none;
}

.waitlist-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.waitlist-input::placeholder {
  color: var(--gray-600);
}

@media (max-width: 480px) {
  .waitlist-input-group {
    flex-direction: column;
  }

  .waitlist-input-group .btn {
    width: 100%;
  }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-small { font-size: 0.8125rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* ========================================
   Theme Toggle
   ======================================== */
.theme-toggle {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  color: var(--gray-400);
  width: 36px;
  height: 36px;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  transition: var(--transition-fast);
}

.theme-toggle .sun-icon {
  display: block;
}

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
  display: block;
}

/* ========================================
   Capability List (Landing Page)
   ======================================== */
.capability-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.capability-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: var(--transition);
}

.capability-item:hover {
  border-color: var(--border-bright);
}

.capability-marker {
  width: 36px;
  height: 36px;
  background: var(--accent-glow);
  border: 1px solid rgba(165, 180, 252, 0.2);
  border-radius: 8px;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9375rem;
  flex-shrink: 0;
}

[data-theme="light"] .capability-marker {
  background: rgba(79, 70, 229, 0.1);
  border-color: rgba(79, 70, 229, 0.2);
  color: #4f46e5;
}

.capability-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.capability-content p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin: 0;
}

/* ========================================
   Insight Block (Landing Page)
   ======================================== */
.insight-block {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.insight-block p {
  color: var(--gray-300);
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.insight-block p:first-child {
  font-size: 1.25rem;
  color: var(--secondary);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.insight-block p:last-child {
  margin-bottom: 0;
}

/* ========================================
   Roadmap Grid (Landing Page)
   ======================================== */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.roadmap-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: var(--transition);
}

.roadmap-item:hover {
  border-color: var(--border-bright);
}

.roadmap-item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.625rem;
}

.roadmap-item p {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}

.roadmap-summary {
  text-align: center;
  color: var(--gray-400);
  font-size: 1rem;
  max-width: 600px;
  margin: 2.5rem auto 0;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .capability-item {
    flex-direction: column;
    gap: 1rem;
  }

  .insight-block p {
    font-size: 1rem;
  }

  .insight-block p:first-child {
    font-size: 1.125rem;
  }
}

/* ========================================
   Signal Brief (Internal Report)
   ======================================== */
.container--report {
  max-width: 900px;
}

.brief-header {
  text-align: center;
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.brief-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.brief-badge {
  background: rgba(251, 146, 60, 0.15);
  color: #fb923c;
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.brief-date {
  color: var(--gray-400);
  font-size: 0.875rem;
}

.brief-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.brief-subtitle {
  color: var(--gray-400);
  font-size: 1.0625rem;
  max-width: 600px;
  margin: 0 auto;
}

.brief-section {
  margin-bottom: 3.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--border);
}

.brief-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.brief-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.brief-section--muted {
  opacity: 0.8;
}

.brief-lead {
  font-size: 1.0625rem;
  color: var(--gray-300);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.section-intro {
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

/* Summary Cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.summary-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.summary-card--primary {
  border-color: var(--accent-muted);
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(165, 180, 252, 0.05) 100%);
}

.summary-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.summary-lift {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.summary-lift--negative {
  color: #ef4444;
}

.summary-cards--drops {
  margin-top: 1.5rem;
}

.summary-card--drop {
  border-color: rgba(239, 68, 68, 0.3);
}

.brief-h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-400);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.summary-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.summary-card p {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.summary-action {
  font-size: 0.8125rem;
  color: var(--gray-500);
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.summary-action strong {
  color: var(--gray-400);
}

/* Confidence Badges */
.confidence-badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.confidence-high {
  background: rgba(74, 222, 128, 0.15);
  color: #4ade80;
}

.confidence-medium {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
}

.confidence-low {
  background: rgba(156, 163, 175, 0.15);
  color: #9ca3af;
}

.confidence-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.375rem;
}

.confidence-dot.confidence-high {
  background: #4ade80;
}

.confidence-dot.confidence-medium {
  background: #fbbf24;
}

.confidence-dot.confidence-low {
  background: #9ca3af;
}

/* Leaderboard */
.leaderboard {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.leaderboard-header,
.leaderboard-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 1rem;
  padding: 1rem 1.25rem;
  align-items: center;
}

.leaderboard-header {
  background: var(--card-bg-elevated);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.leaderboard-row {
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--gray-300);
}

.leaderboard-row--muted {
  opacity: 0.6;
}

.leaderboard-row--negative {
  background: rgba(239, 68, 68, 0.05);
}

.category-name {
  font-weight: 500;
  color: var(--secondary);
}

.lift-value {
  font-weight: 600;
}

.lift-positive {
  color: #4ade80;
}

.lift-negative {
  color: #f87171;
}

.share-value {
  color: var(--gray-400);
}

/* Deep Dives */
.deep-dive {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.deep-dive:last-child {
  margin-bottom: 0;
}

.deep-dive-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: var(--card-bg-elevated);
  border-bottom: 1px solid var(--border);
}

.deep-dive-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.375rem;
}

.deep-dive-lift {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.deep-dive-lift--negative {
  color: #ef4444;
}

.deep-dive--negative {
  border-color: rgba(239, 68, 68, 0.3);
}

.deep-dive-body {
  padding: 1.5rem;
}

.deep-dive-context {
  margin-bottom: 1.5rem;
}

.deep-dive-context h4,
.deep-dive-actions h4 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.625rem;
}

.deep-dive-context p {
  color: var(--gray-300);
  line-height: 1.7;
}

.deep-dive-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  padding: 1.25rem;
  background: var(--darker);
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.metric-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--secondary);
}

.deep-dive-actions ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.deep-dive-actions li {
  padding: 0.625rem 0;
  padding-left: 1.25rem;
  position: relative;
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.deep-dive-actions li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.deep-dive-actions li strong {
  color: var(--gray-300);
}

/* Watchlist */
.watchlist {
  display: grid;
  gap: 1rem;
}

.watchlist-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
}

.watchlist-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.watchlist-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--secondary);
}

.watchlist-status {
  font-size: 0.75rem;
  color: var(--gray-500);
  background: var(--card-bg-elevated);
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
}

.watchlist-item p {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.6;
  margin: 0;
}

/* Performance Tracker */
.performance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.performance-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
}

.performance-card--overall {
  background: var(--card-bg-elevated);
  border-color: var(--accent-muted);
}

.performance-tier {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}

.performance-rate {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: 0.375rem;
}

.performance-detail {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.performance-note {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.performance-note p {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin: 0;
  line-height: 1.6;
}

.performance-note strong {
  color: var(--gray-400);
}

/* Appendix */
.appendix-download {
  margin-top: 1.25rem;
}

/* Light Mode Adjustments */
[data-theme="light"] .brief-badge {
  background: rgba(234, 88, 12, 0.1);
  color: #ea580c;
}

[data-theme="light"] .summary-card,
[data-theme="light"] .leaderboard,
[data-theme="light"] .deep-dive,
[data-theme="light"] .watchlist-item,
[data-theme="light"] .performance-card,
[data-theme="light"] .performance-note {
  background: #ffffff;
}

[data-theme="light"] .summary-card--primary {
  background: linear-gradient(135deg, #ffffff 0%, rgba(79, 70, 229, 0.05) 100%);
}

[data-theme="light"] .summary-lift,
[data-theme="light"] .deep-dive-lift {
  color: #4f46e5;
}

[data-theme="light"] .deep-dive-metrics {
  background: #f8fafc;
}

[data-theme="light"] .confidence-high {
  background: rgba(22, 163, 74, 0.1);
  color: #16a34a;
}

[data-theme="light"] .confidence-dot.confidence-high {
  background: #16a34a;
}

[data-theme="light"] .lift-positive {
  color: #16a34a;
}

/* Responsive */
@media (max-width: 768px) {
  .brief-header h1 {
    font-size: 1.75rem;
  }

  .summary-cards {
    grid-template-columns: 1fr;
  }

  .leaderboard-header,
  .leaderboard-row {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .leaderboard-header span:nth-child(4),
  .leaderboard-header span:nth-child(5),
  .leaderboard-row span:nth-child(4),
  .leaderboard-row span:nth-child(5) {
    display: none;
  }

  .deep-dive-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .deep-dive-lift {
    font-size: 1.5rem;
  }

  .deep-dive-metrics {
    grid-template-columns: 1fr;
  }

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

/* ============================================
   ONE-PAGER STYLES
   ============================================ */

.container--onepager {
  max-width: 800px;
  padding: 0;
}

.onepager {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin: 2rem 0;
}

.onepager-header {
  background: linear-gradient(135deg, var(--darker) 0%, var(--card-bg) 100%);
  padding: 2.5rem 2rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.onepager-logo {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: -0.02em;
}

.onepager-tagline {
  color: var(--gray-400);
  margin-top: 0.5rem;
  font-size: 1.1rem;
}

.onepager-section {
  padding: 1.75rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.onepager-section:last-of-type {
  border-bottom: none;
}

.onepager-section h2 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.onepager-pitch p {
  color: var(--gray-300);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.onepager-pitch p:last-child {
  margin-bottom: 0;
}

.onepager-pitch strong {
  color: var(--secondary);
}

.onepager-signals {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.onepager-signal {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--darker);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.onepager-lift {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success);
  font-family: 'SF Mono', 'Consolas', monospace;
}

.onepager-category {
  font-weight: 600;
  color: var(--secondary);
}

.onepager-meta {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.onepager-proof-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.onepager-deliverable-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.onepager-deliverable-item {
  padding: 1rem;
  background: var(--darker);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.onepager-deliverable-item strong {
  display: block;
  color: var(--secondary);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.onepager-deliverable-item p {
  color: var(--gray-400);
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
}

.onepager-pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.onepager-price-box {
  padding: 1.5rem;
  background: var(--darker);
  border-radius: 8px;
  border: 1px solid var(--border);
  text-align: center;
}

.onepager-price-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  margin-bottom: 0.5rem;
}

.onepager-price-amount {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary);
}

.onepager-price-amount span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--gray-400);
}

.onepager-price-detail {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-top: 0.5rem;
}

.onepager-fit-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.onepager-fit-list li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--gray-300);
  border-bottom: 1px solid var(--border-subtle);
}

.onepager-fit-list li:last-child {
  border-bottom: none;
}

.onepager-fit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.onepager-footer {
  background: var(--darker);
  padding: 1.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.onepager-cta strong {
  color: var(--secondary);
  display: block;
  margin-bottom: 0.25rem;
}

.onepager-cta p {
  color: var(--accent);
  font-family: 'SF Mono', 'Consolas', monospace;
  margin: 0;
}

.onepager-meta-footer {
  display: flex;
  gap: 1.5rem;
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* One-pager light mode */
[data-theme="light"] .onepager {
  background: #ffffff;
  border-color: var(--border);
}

[data-theme="light"] .onepager-header {
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

[data-theme="light"] .onepager-logo {
  color: #18181b;
}

[data-theme="light"] .onepager-signal,
[data-theme="light"] .onepager-deliverable-item,
[data-theme="light"] .onepager-price-box {
  background: #f8fafc;
}

[data-theme="light"] .onepager-footer {
  background: #f8fafc;
}

[data-theme="light"] .onepager-lift {
  color: #16a34a;
}

/* One-pager print styles */
@media print {
  .onepager {
    box-shadow: none;
    border: none;
  }

  nav, footer, .theme-toggle {
    display: none !important;
  }

  .container--onepager {
    max-width: 100%;
    padding: 0;
    margin: 0;
  }

  .onepager-header {
    background: #f8fafc;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .onepager-lift {
    color: #16a34a !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* ============================================
   Sample Brief Print Styles
   ============================================ */
@media print {
  /* Hide navigation and UI elements */
  nav, footer, .theme-toggle, .btn--download {
    display: none !important;
  }

  /* Reset page margins and container */
  body {
    background: white !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .container--report {
    max-width: 100%;
    padding: 0 1rem;
    margin: 0;
  }

  /* Header */
  .brief-header {
    padding: 1.5rem 0 1rem;
    margin-bottom: 1.5rem;
    page-break-after: avoid;
  }

  .brief-header h1 {
    font-size: 1.75rem;
    color: #18181b;
  }

  .brief-badge {
    background: #f97316 !important;
    color: white !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .brief-badge--sample {
    background: #6366f1 !important;
    color: white !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* Sections */
  .brief-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    page-break-inside: avoid;
  }

  .brief-section h2 {
    font-size: 1.25rem;
    color: #18181b;
    page-break-after: avoid;
  }

  /* Summary Cards - prevent breaking */
  .summary-cards {
    page-break-inside: avoid;
  }

  .summary-card {
    background: #f8fafc !important;
    border: 1px solid #e4e4e7 !important;
    padding: 1rem;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    page-break-inside: avoid;
  }

  .summary-card--primary {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%) !important;
    border-color: #a5b4fc !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .summary-lift {
    color: #6366f1 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .summary-card h3 {
    color: #18181b;
  }

  .summary-card p {
    color: #52525b;
  }

  /* Confidence badges */
  .confidence-badge {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .confidence-high {
    background: rgba(74, 222, 128, 0.2) !important;
    color: #16a34a !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .confidence-medium {
    background: rgba(251, 191, 36, 0.2) !important;
    color: #d97706 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .confidence-dot {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .confidence-dot.confidence-high {
    background: #16a34a !important;
  }

  .confidence-dot.confidence-medium {
    background: #d97706 !important;
  }

  /* Leaderboard */
  .leaderboard {
    border: 1px solid #e4e4e7 !important;
    page-break-inside: avoid;
  }

  .leaderboard-header {
    background: #f4f4f5 !important;
    color: #71717a;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .leaderboard-row {
    border-color: #e4e4e7 !important;
    color: #3f3f46;
  }

  .category-name {
    color: #18181b;
  }

  .lift-positive {
    color: #16a34a !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .lift-negative {
    color: #dc2626 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* Deep Dives - each on own page if needed */
  .deep-dive {
    border: 1px solid #e4e4e7 !important;
    page-break-inside: avoid;
    margin-bottom: 1rem;
  }

  .deep-dive-header {
    background: #f4f4f5 !important;
    border-color: #e4e4e7 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    page-break-after: avoid;
  }

  .deep-dive-header h3 {
    color: #18181b;
  }

  .deep-dive-lift {
    color: #6366f1 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .deep-dive-lift--negative {
    color: #dc2626 !important;
  }

  .deep-dive-metrics {
    background: #f8fafc !important;
    border: 1px solid #e4e4e7;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .metric-label {
    color: #71717a;
  }

  .metric-value {
    color: #18181b;
  }

  .deep-dive-context p,
  .deep-dive-actions li {
    color: #3f3f46;
  }

  .deep-dive-actions li::before {
    background: #6366f1 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* Performance Grid */
  .performance-grid {
    page-break-inside: avoid;
  }

  .performance-card {
    background: #f8fafc !important;
    border: 1px solid #e4e4e7 !important;
    padding: 1rem;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .performance-card--overall {
    background: #f4f4f5 !important;
    border-color: #a5b4fc !important;
  }

  .performance-tier {
    color: #71717a;
  }

  .performance-rate {
    color: #18181b;
  }

  .performance-detail {
    color: #71717a;
  }

  .performance-note {
    background: #fefce8 !important;
    border-color: #fde047 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .performance-note p {
    color: #713f12;
  }

  /* Watchlist */
  .watchlist-item {
    background: #f8fafc !important;
    border: 1px solid #e4e4e7 !important;
    page-break-inside: avoid;
  }

  .watchlist-header h3 {
    color: #18181b;
  }

  .watchlist-item p {
    color: #3f3f46;
  }

  /* Footer */
  .brief-footer {
    background: #f8fafc !important;
    border-color: #e4e4e7 !important;
    margin-top: 1rem;
    padding: 1rem;
    page-break-inside: avoid;
  }

  .brief-footer-content p {
    color: #71717a;
  }

  /* Ensure links are visible in print */
  a {
    color: #6366f1 !important;
    text-decoration: none;
  }

  /* Leaderboard explainer */
  .leaderboard-explainer {
    background: #f8fafc !important;
    border: 1px solid #e4e4e7 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .leaderboard-explainer p {
    color: #52525b;
  }
}

/* One-pager responsive */
@media (max-width: 640px) {
  .onepager-header {
    padding: 1.5rem 1.25rem;
  }

  .onepager-section {
    padding: 1.25rem;
  }

  .onepager-signal {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    text-align: center;
  }

  .onepager-deliverable-grid {
    grid-template-columns: 1fr;
  }

  .onepager-pricing-grid {
    grid-template-columns: 1fr;
  }

  .onepager-footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ============================================
   SAMPLE BRIEF STYLES (additions)
   ============================================ */

.brief-badge--sample {
  background: var(--accent);
  color: var(--dark);
}

.brief-footer {
  background: var(--darker);
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.brief-footer-content {
  text-align: center;
}

.brief-footer-content p {
  margin: 0.5rem 0;
  color: var(--gray-400);
}

.brief-footer-content a {
  color: var(--accent);
}

.brief-footer-meta {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 1rem !important;
}

[data-theme="light"] .brief-badge--sample {
  background: var(--accent);
  color: #ffffff;
}

[data-theme="light"] .brief-footer {
  background: #f8fafc;
}