/* ==============================================================================
   PROCOMM PERFORMANCE LAB — EXECUTIVE LEARNING HUB STYLES
   Design System: Deep Navy, Dark Slate, Cyan & Teal accents, Glassmorphism
   ============================================================================== */

:root {
  --bg-primary: #060a17;
  --bg-secondary: #0a1128;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(22, 36, 66, 0.85);
  --bg-glass: rgba(10, 17, 40, 0.65);
  
  --border-color: rgba(30, 41, 59, 0.8);
  --border-glow: rgba(0, 229, 255, 0.3);
  --border-accent: rgba(0, 229, 255, 0.6);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #00e5ff;
  --accent-teal: #00b4d8;
  --accent-blue: #0077b6;
  --accent-glow: 0 0 20px rgba(0, 229, 255, 0.35);
  
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 180, 216, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(0, 229, 255, 0.05) 0%, transparent 40%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.hub-header {
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.hub-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

.hub-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text-primary);
}

.hub-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--bg-primary);
  font-size: 18px;
  box-shadow: var(--accent-glow);
}

.hub-brand-text {
  display: flex;
  flex-direction: column;
}

.hub-brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hub-brand-badge {
  font-size: 11px;
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hub-auth-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-secondary);
}

.user-status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success-color);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--success-color);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
  color: var(--bg-primary);
  box-shadow: 0 4px 14px rgba(0, 229, 255, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #33ebff, #1ac0e3);
  box-shadow: 0 6px 20px rgba(0, 229, 255, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.6);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: var(--accent-cyan);
}

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

.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--border-glow);
}

.btn-outline:hover {
  background: rgba(0, 229, 255, 0.1);
  border-color: var(--accent-cyan);
}

/* Hero Section */
.hub-hero {
  padding: 56px 0 36px;
  border-bottom: 1px solid rgba(30, 41, 59, 0.5);
}

.hero-content {
  max-width: 760px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  color: var(--accent-cyan);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  word-break: normal;
  overflow-wrap: break-word;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Main Content Area */
.hub-main {
  padding: 40px 0 80px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(0, 229, 255, 0.15);
  color: var(--accent-cyan);
}

/* Publication Grid */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.book-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.book-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.book-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.book-card:hover::before {
  opacity: 1;
}

.book-card-header {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.book-cover {
  width: 72px;
  height: 100px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.book-cover-icon {
  font-size: 28px;
}

.book-info {
  flex: 1;
}

.book-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.book-author {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.book-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
}

.badge-pdf {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-epub {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-owned {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.book-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

/* Available Catalog (Unpurchased) */
.catalog-card {
  opacity: 0.85;
}

.catalog-card:hover {
  opacity: 1;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(2, 4, 10, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
  position: relative;
}

.modal-header {
  margin-bottom: 20px;
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.2);
}

.form-feedback {
  margin-top: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: none;
}

.feedback-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.feedback-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* Loading & Empty states */
.state-panel {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 30px;
}

.state-icon {
  font-size: 40px;
  margin-bottom: 12px;
  color: var(--accent-cyan);
}

.state-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.state-desc {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 460px;
  margin: 0 auto 20px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 28px;
  }
  .book-grid {
    grid-template-columns: 1fr;
  }
  .hub-nav {
    flex-direction: column;
    height: auto;
    padding: 16px 0;
    gap: 12px;
  }
}

/* ==============================================================================
   ONBOARDING QUESTIONNAIRE & USER PREFERENCES STYLES
   ============================================================================== */

.onboarding-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(10, 17, 40, 0.9));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 36px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(0, 229, 255, 0.05);
  position: relative;
  overflow: hidden;
}

.onboarding-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue), var(--success-color));
}

.onboarding-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  gap: 16px;
}

.onboarding-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-cyan);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.choice-chip {
  padding: 7px 14px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.choice-chip:hover {
  border-color: var(--border-glow);
  color: var(--text-primary);
  background: rgba(22, 36, 66, 0.8);
}

.choice-chip.selected {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--accent-cyan);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.25);
}

.consent-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 20px;
  padding: 14px 16px;
  background: rgba(6, 10, 23, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
}

.consent-checkbox-row input[type="checkbox"] {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
  flex-shrink: 0;
}

/* ==============================================================================
   VERIFIED READER FEEDBACK STYLES
   ============================================================================== */

.feedback-section {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--border-color);
}

.star-rating-picker {
  display: inline-flex;
  gap: 6px;
  font-size: 24px;
  cursor: pointer;
}

.star-btn {
  color: var(--text-muted);
  transition: color 0.15s ease, transform 0.15s ease;
  user-select: none;
}

.star-btn:hover,
.star-btn.hovered,
.star-btn.active {
  color: #fbbf24;
  transform: scale(1.15);
}

.star-display {
  color: #fbbf24;
  letter-spacing: 2px;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(10px);
}

.review-card:hover {
  border-color: rgba(0, 229, 255, 0.3);
}

.reviewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.verified-buyer-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

/* ==============================================================================
   CINEMATIC EXECUTIVE LIBRARY LAYOUTS & RECOMMENDATIONS
   ============================================================================== */

/* Cinematic 1-Book Spotlight */
.cinematic-spotlight-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(10, 17, 40, 0.95));
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 36px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 229, 255, 0.12);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 36px;
  align-items: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.cinematic-spotlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), #fbbf24, var(--accent-blue));
}

/* ==============================================================================
   PROCOMM 3D REALISTIC BOOK COMPONENT
   Upright hardcover book with realistic depth, stacked page texture,
   subtle perspective, and natural soft floor shadow.
   Preserves uncropped, unstretched front cover artwork.
   ============================================================================== */

.procomm-book-3d-wrap {
  perspective: 1400px;
  perspective-origin: 50% 50%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 16px 26px 28px 16px;
  position: relative;
  box-sizing: border-box;
}

.procomm-book-3d {
  --book-w: 220px;
  --book-aspect: 1 / 1.5;
  --book-depth: 28px;
  --book-half-depth: 14px;
  width: var(--book-w);
  aspect-ratio: var(--book-aspect);
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(-18deg) rotateX(4deg);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
  will-change: transform;
}

.procomm-book-3d:hover {
  transform: rotateY(-10deg) rotateX(2deg) translateY(-8px);
}

.procomm-book-3d-front {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: translateZ(var(--book-half-depth));
  border-radius: 2px 5px 5px 2px;
  overflow: hidden;
  background-color: #0d1527;
  box-shadow: inset 4px 0 10px rgba(0, 0, 0, 0.55);
}

.procomm-book-3d-front img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}

.procomm-book-3d-front::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 3.5%;
  width: 2px;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.55), rgba(255, 255, 255, 0.25) 50%, rgba(0, 0, 0, 0.45));
  z-index: 2;
  pointer-events: none;
}

.procomm-book-3d-front::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0.04) 22%, transparent 45%, rgba(0, 0, 0, 0.35) 100%);
  pointer-events: none;
  z-index: 3;
}

.procomm-book-3d-pages-right {
  position: absolute;
  top: 3px;
  bottom: 3px;
  right: 0;
  width: var(--book-depth);
  transform-origin: right center;
  transform: rotateY(90deg) translateZ(0);
  background:
    repeating-linear-gradient(
      to bottom,
      #f7f4ed 0px,
      #f7f4ed 1.5px,
      #dfd9cb 2px,
      #c4bcab 2.5px
    );
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.4);
}

.procomm-book-3d-pages-top {
  position: absolute;
  top: 0;
  left: 3px;
  right: 3px;
  height: var(--book-depth);
  transform-origin: top center;
  transform: rotateX(-90deg) translateZ(0);
  background:
    repeating-linear-gradient(
      to right,
      #f4efe4 0px,
      #f4efe4 1.5px,
      #ded7c5 2px,
      #bfb6a0 2.5px
    );
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.45);
}

.procomm-book-3d-spine {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--book-depth);
  transform-origin: left center;
  transform: rotateY(-90deg) translateZ(0);
  background: linear-gradient(to right, #0a1122 0%, #15223c 45%, #080d1a 100%);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.7);
  border-radius: 3px 0 0 3px;
}

.procomm-book-3d-back {
  position: absolute;
  inset: 0;
  transform: translateZ(calc(-1 * var(--book-half-depth)));
  background: #090e1c;
  border-radius: 4px 2px 2px 4px;
  box-shadow: -4px 6px 20px rgba(0, 0, 0, 0.6);
}

.procomm-book-3d-shadow {
  position: absolute;
  left: -8%;
  bottom: -22px;
  width: 116%;
  height: 32px;
  background: radial-gradient(ellipse at 50% 50%, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.45) 40%, rgba(0, 0, 0, 0) 75%);
  transform: rotateX(90deg) translateZ(-16px) rotateZ(-3deg);
  pointer-events: none;
  filter: blur(5px);
  z-index: -1;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.procomm-book-3d:hover .procomm-book-3d-shadow {
  transform: rotateX(90deg) translateZ(-16px) rotateZ(-3deg) scale(1.08);
  opacity: 0.85;
}

.spotlight-cover-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.spotlight-cover-img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}

.cinematic-spotlight-card {
  grid-template-columns: auto 1fr;
  gap: 36px;
}

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

.spotlight-badge-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.badge-flagship-gold {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.35);
}

.spotlight-title {
  font-size: 26px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 8px;
}

.spotlight-subtitle {
  font-size: 14px;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 14px;
}

.spotlight-desc {
  font-size: 14px;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 22px;
  max-width: 720px;
}

.spotlight-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

/* Multi-Book Cinematic Bookshelf Grid */
.cinematic-bookshelf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(390px, 1fr));
  gap: 28px;
  margin-bottom: 40px;
}

.cinematic-book-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: visible;
}

.cinematic-book-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 229, 255, 0.15);
}

.cinematic-card-cover-row {
  display: flex;
  gap: 20px;
  margin-bottom: 18px;
  align-items: flex-start;
}

.cinematic-card-cover-img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
}

.cinematic-card-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Executive Mastery Complete Banner */
.mastery-complete-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(0, 229, 255, 0.1));
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

/* Recommendations Card */
.recommendation-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(22, 36, 66, 0.75));
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.recommendation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #fbbf24, var(--accent-cyan));
}

.recommendation-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: rgba(251, 191, 36, 0.15);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: var(--radius-full);
  color: #fbbf24;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  width: fit-content;
}

.recommendation-rationale {
  background: rgba(6, 10, 23, 0.5);
  border-left: 3px solid #fbbf24;
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13px;
  color: #e2e8f0;
  margin: 14px 0 18px;
  line-height: 1.5;
}

/* Visible Help Center Integration Bar */
.hub-help-strip {
  background: rgba(10, 17, 40, 0.75);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.hub-help-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
}

.hub-help-chip:hover {
  background: rgba(0, 229, 255, 0.2);
  border-color: var(--accent-cyan);
}

html, body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

@media (max-width: 860px) {
  .cinematic-spotlight-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 24px;
  }
  .spotlight-info {
    align-items: center;
  }
  .spotlight-actions {
    justify-content: center;
  }
  .cinematic-bookshelf-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 580px) {
  .container {
    padding: 0 12px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .hub-nav {
    height: auto;
    padding: 12px 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .hub-brand {
    gap: 10px;
  }
  .hub-brand-title {
    font-size: 16px;
  }
  .hub-auth-section {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 6px;
  }
  .hub-auth-section .btn {
    padding: 6px 10px;
    font-size: 11.5px;
  }
  .user-pill {
    padding: 4px 8px;
    font-size: 11px;
    max-width: 100%;
  }
  .hub-hero {
    padding: 24px 0 18px;
  }
  .hero-title {
    font-size: 22px !important;
    line-height: 1.25;
  }
  .hero-subtitle {
    font-size: 13px;
  }
  .hero-tag {
    font-size: 10.5px;
    padding: 3px 8px;
  }
  .cinematic-spotlight-card {
    padding: 18px 12px !important;
    gap: 16px;
  }
  .spotlight-cover-wrap .procomm-book-3d {
    --book-w: 165px !important;
  }
  .spotlight-cover-img {
    width: 100% !important;
    height: 100% !important;
  }
  .spotlight-title {
    font-size: 18px !important;
  }
  .spotlight-subtitle {
    font-size: 12.5px;
  }
  .spotlight-desc {
    font-size: 13px;
  }
  .spotlight-actions {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }
  .spotlight-actions .btn,
  .spotlight-actions .hub-help-chip {
    width: 100%;
    box-sizing: border-box;
    justify-content: center;
    margin-left: 0 !important;
  }
  .cinematic-book-card {
    padding: 16px 12px !important;
  }
  .cinematic-card-cover-row {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }
  .cinematic-card-cover-wrap .procomm-book-3d {
    --book-w: 150px !important;
  }
  .cinematic-card-cover-img {
    width: 100% !important;
    height: 100% !important;
  }
  .cinematic-book-card .book-actions {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }
  .cinematic-book-card .book-actions .btn {
    width: 100%;
  }
  .onboarding-card {
    padding: 16px 12px;
  }
  .onboarding-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .chip-group {
    gap: 6px;
  }
  .choice-chip {
    font-size: 11.5px;
    padding: 5px 10px;
  }
  .modal-card {
    width: calc(100% - 20px) !important;
    margin: 10px auto !important;
    padding: 18px 14px !important;
  }
  .hub-help-strip {
    padding: 16px 14px;
  }
  .mastery-complete-banner {
    padding: 16px 14px;
  }
}