/* ---- SellSuite Design System ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-deep: #06060f;
  --bg-card: #0d0d1a;
  --bg-elevated: #141428;
  --bg-hover: #1a1a33;
  --gold: #d4a853;
  --gold-light: #e8c47a;
  --gold-dark: #b8903d;
  --gold-glow: rgba(212, 168, 83, 0.15);
  --gold-glow-strong: rgba(212, 168, 83, 0.25);
  --green: #4ade80;
  --green-glow: rgba(74, 222, 128, 0.15);
  --red: #f87171;
  --text-primary: #f0ede6;
  --text-secondary: #9994a8;
  --text-muted: #5f5a6e;
  --border: rgba(212, 168, 83, 0.12);
  --border-strong: rgba(212, 168, 83, 0.25);
  --radius: 8px;
  --radius-lg: 12px;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.2;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-light); }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- NAV ---- */
nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(6, 6, 15, 0.9);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-link { text-decoration: none; }
.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.5px;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text-primary); }
.nav-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: -0.2px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #0a0a14;
  box-shadow: 0 2px 12px rgba(212, 168, 83, 0.3);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #0a0a14;
  box-shadow: 0 4px 20px rgba(212, 168, 83, 0.4);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}
.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--gold);
  background: var(--gold-glow);
}
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-full { width: 100%; }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}
.btn-completed {
  background: var(--green-glow) !important;
  color: var(--green) !important;
  border: 1px solid rgba(74, 222, 128, 0.3) !important;
  box-shadow: none !important;
}

/* ---- AUTH PAGE ---- */
.auth-page {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}
.auth-header {
  margin-bottom: 32px;
}
.auth-header h1 {
  font-size: 1.8rem;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.auth-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.form-group input::placeholder {
  color: var(--text-muted);
}
.auth-error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--red);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.auth-switch {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.auth-switch a {
  color: var(--gold);
  font-weight: 500;
}

/* ---- DASHBOARD ---- */
.dashboard-page {
  padding: 60px 0 80px;
}
.dash-header {
  margin-bottom: 40px;
}
.dash-header h1 {
  font-size: 2.2rem;
  letter-spacing: -1.5px;
  margin-bottom: 8px;
}
.dash-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ---- ENROLLMENT BANNER ---- */
.enroll-banner {
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.08) 0%, rgba(184, 144, 61, 0.04) 100%);
  border: 1px solid var(--gold-glow-strong);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  margin-bottom: 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.enroll-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.1) 0%, transparent 70%);
  pointer-events: none;
}
.enroll-banner-content {
  position: relative;
  z-index: 1;
}
.enroll-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  padding: 6px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--gold-glow);
  margin-bottom: 20px;
}
.enroll-banner h2 {
  font-size: 2rem;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
}
.enroll-banner > .enroll-banner-content > p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto 28px;
  line-height: 1.7;
}
.enroll-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  max-width: 520px;
  margin: 0 auto 32px;
  text-align: left;
}
.enroll-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.enroll-check {
  color: var(--green);
  font-size: 0.85rem;
  flex-shrink: 0;
}
.enroll-cta-row {
  margin-bottom: 16px;
}
.enroll-btn {
  padding: 18px 40px;
  font-size: 1.05rem;
}
.enroll-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- PURCHASED BANNER ---- */
.purchased-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 24px;
  background: var(--green-glow);
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: var(--radius-lg);
  margin-bottom: 40px;
  font-size: 0.9rem;
  color: var(--green);
  font-weight: 500;
}
.purchased-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(74, 222, 128, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ---- FREE TAG ---- */
.free-tag {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green);
  padding: 2px 8px;
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: 4px;
  background: var(--green-glow);
  margin-left: 8px;
  vertical-align: middle;
}

/* ---- LOCKED LESSONS ---- */
.lesson-number.locked {
  background: rgba(212, 168, 83, 0.08);
  color: var(--text-muted);
  border-color: var(--border);
  font-size: 0.7rem;
}
.lesson-item-locked {
  opacity: 0.65;
}
.lesson-item-locked:hover {
  opacity: 0.85;
}

/* Progress Overview */
.progress-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
}
.progress-stat {
  background: var(--bg-card);
  padding: 28px 24px;
  text-align: center;
}
.progress-stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 4px;
}
.progress-stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Module Cards */
.modules-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s;
}
.module-card:hover {
  border-color: var(--border-strong);
}
.module-header {
  padding: 28px 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}
.module-info h2 {
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}
.module-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 600px;
}
.module-progress {
  flex-shrink: 0;
  text-align: right;
}
.module-progress-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gold);
  margin-bottom: 8px;
}
.progress-bar {
  width: 140px;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* Lesson List */
.lesson-list {
  border-top: 1px solid var(--border);
}
.lesson-item {
  display: flex;
  align-items: center;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
  text-decoration: none;
  color: var(--text-primary);
  gap: 16px;
}
.lesson-item:last-child { border-bottom: none; }
.lesson-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.lesson-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  flex-shrink: 0;
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.lesson-number.completed {
  background: var(--green-glow);
  color: var(--green);
  border-color: rgba(74, 222, 128, 0.3);
}
.lesson-number.completed::after {
  content: '';
}
.lesson-item-info {
  flex: 1;
}
.lesson-item-title {
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.lesson-item-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.lesson-item-arrow {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: color 0.2s, transform 0.2s;
}
.lesson-item:hover .lesson-item-arrow {
  color: var(--gold);
  transform: translateX(2px);
}

/* ---- LESSON PAGE ---- */
.lesson-page {
  padding: 40px 0 80px;
}
.lesson-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.lesson-breadcrumb a {
  color: var(--text-secondary);
}
.lesson-breadcrumb a:hover {
  color: var(--gold);
}
.breadcrumb-sep {
  color: var(--text-muted);
}

/* Lesson Article — Markdown Content */
.lesson-article {
  max-width: 720px;
  margin: 0 auto;
}
.lesson-article h1 {
  font-size: 2rem;
  letter-spacing: -1.5px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.lesson-article h2 {
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--gold);
}
.lesson-article h3 {
  font-size: 1.15rem;
  margin-top: 32px;
  margin-bottom: 12px;
}
.lesson-article p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.lesson-article strong {
  color: var(--text-primary);
  font-weight: 600;
}
.lesson-article ul, .lesson-article ol {
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-left: 24px;
}
.lesson-article li {
  margin-bottom: 8px;
  line-height: 1.7;
}
.lesson-article blockquote {
  border-left: 3px solid var(--gold);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--gold-glow);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-primary);
  font-style: italic;
}
.lesson-article blockquote p {
  color: var(--text-primary);
  margin-bottom: 0;
}
.lesson-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9rem;
}
.lesson-article th {
  text-align: left;
  padding: 12px 16px;
  background: var(--bg-elevated);
  color: var(--gold);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.lesson-article td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.lesson-article tr:hover td {
  background: var(--bg-card);
}
.lesson-article code {
  background: var(--bg-elevated);
  color: var(--gold-light);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.lesson-article hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* Lesson Footer */
.lesson-footer {
  max-width: 720px;
  margin: 48px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.lesson-complete {
  text-align: center;
  margin-bottom: 32px;
}
.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

/* ---- PAYWALL ---- */
#lesson-paywall {
  padding: 80px 0 40px;
}
.paywall-card {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}
.paywall-card::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.paywall-lock {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1;
}
.paywall-card h2 {
  font-size: 1.6rem;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.paywall-subtitle {
  color: var(--gold);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 16px;
}
.paywall-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 420px;
  margin: 0 auto 28px;
}
.paywall-includes {
  text-align: left;
  max-width: 320px;
  margin: 0 auto 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.paywall-include {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.paywall-btn {
  display: inline-flex;
  padding: 18px 40px;
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.paywall-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.paywall-preview-hint {
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.paywall-preview-hint a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.paywall-preview-hint a:hover {
  color: var(--gold);
}

/* ---- PAYMENT SUCCESS PAGE ---- */
.payment-success-page {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
}
.success-card {
  width: 100%;
  max-width: 520px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
}
.success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--green-glow);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 24px;
  border: 2px solid rgba(74, 222, 128, 0.3);
}
.success-card h1 {
  font-size: 2.2rem;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
}
.success-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 400px;
  margin: 0 auto 32px;
}
.success-details {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 32px;
  text-align: left;
}
.success-detail {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}
.success-detail strong {
  color: var(--text-primary);
  margin-right: 12px;
}
.success-detail + .success-detail {
  border-top: 1px solid var(--border);
}

/* ---- LOADING ---- */
.loading {
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .progress-overview {
    grid-template-columns: 1fr;
  }
  .module-header {
    flex-direction: column;
    padding: 24px;
  }
  .module-progress {
    text-align: left;
  }
  .progress-bar {
    width: 100%;
  }
  .lesson-item {
    padding: 14px 24px;
  }
  .lesson-nav {
    flex-direction: column;
  }
  .lesson-nav .btn {
    width: 100%;
  }
  .auth-card {
    padding: 32px 24px;
  }
  .dash-header h1 {
    font-size: 1.8rem;
  }
  .enroll-banner {
    padding: 32px 24px;
  }
  .enroll-features {
    grid-template-columns: 1fr;
  }
  .paywall-card {
    padding: 40px 24px;
  }
  .success-card {
    padding: 40px 24px;
  }
}