/* ==========================================================================
   ANCIENT CODEX & CODING HUB — PARCHMENT WHITE THEME, MOBILE UX & PDF VAULT
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700;800;900&family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  /* Parchment White & Alabaster Palette */
  --bg-parchment: #f6f3eb;
  --bg-alabaster: #faf8f4;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: #ffffff;
  
  /* Text & Ink Colors */
  --ink-primary: #2b231d;
  --ink-secondary: #4a3e35;
  --ink-muted: #7d6e63;
  --ink-light: #a39487;
  
  /* Ancient Sepia & Bronze Accents */
  --accent-sepia: #8c7a6b;
  --accent-sepia-light: rgba(140, 122, 107, 0.15);
  --accent-bronze: #b58d3d;
  --accent-bronze-glow: rgba(181, 141, 61, 0.2);
  --accent-gold: #c99e42;
  --accent-emerald: #2d5a44;
  --accent-amber: #c86d28;
  --accent-indigo: #3b4b6b;
  --accent-red: #c84b4b;
  
  /* Card Borders & Glass */
  --border-sepia: rgba(140, 122, 107, 0.22);
  --border-bronze: rgba(181, 141, 61, 0.35);
  --border-gold: rgba(201, 158, 66, 0.5);
  
  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(43, 35, 29, 0.03);
  --shadow-md: 0 10px 30px rgba(43, 35, 29, 0.06);
  --shadow-lg: 0 20px 45px rgba(43, 35, 29, 0.1);
  --shadow-glow: 0 0 25px rgba(181, 141, 61, 0.2);

  /* Radius & Transitions */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 9999px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  max-width: 100vw;
  overflow-x: hidden;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-parchment);
  color: var(--ink-primary);
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  max-width: 100vw;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(181, 141, 61, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(45, 90, 68, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(140, 122, 107, 0.03) 0%, transparent 60%);
}

#sacredCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
}

.sacred-bg-shapes {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  opacity: 0.28;
}

.sacred-shape {
  position: absolute;
  stroke: var(--accent-sepia);
  stroke-width: 1;
  fill: none;
}

.shape-circle-stack {
  top: 10%;
  left: 3%;
  width: 140px;
  height: 380px;
}

.shape-venn {
  top: 12%;
  right: 5%;
  width: 260px;
  height: 140px;
}

.shape-compass {
  bottom: 8%;
  right: 3%;
  width: 180px;
  height: 180px;
}

.shape-spark-left {
  top: 40%;
  left: 4%;
}

.app-container {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.5rem 6rem 1.5rem;
}

/* ==========================================================================
   NAVIGATION BAR & HERO
   ========================================================================== */

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  margin-top: 1rem;
  margin-bottom: 2rem;
  background: rgba(250, 248, 244, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-sepia);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--ink-primary);
}

.nav-logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--bg-alabaster), #eae5d9);
  border: 1px solid var(--border-bronze);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-bronze);
  font-size: 1.25rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.nav-logo-icon::after {
  content: "✧";
  position: absolute;
  top: -4px;
  right: -4px;
  font-size: 0.75rem;
  color: var(--accent-bronze);
}

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

.nav-title {
  font-family: 'Cinzel', serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink-primary);
}

.nav-subtitle {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-stats {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.stat-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: rgba(246, 243, 235, 0.9);
  border: 1px solid var(--border-sepia);
  border-radius: var(--radius-pill);
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  color: var(--ink-secondary);
}

.stat-badge i {
  color: var(--accent-bronze);
}

.stat-val {
  font-weight: 700;
  color: var(--accent-bronze);
}

.hero-banner {
  text-align: center;
  padding: 3.5rem 1.5rem 3rem 1.5rem;
  position: relative;
  border-bottom: 1px dashed var(--border-sepia);
  margin-bottom: 2.5rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.2rem;
  background: var(--accent-sepia-light);
  border: 1px solid var(--border-bronze);
  border-radius: var(--radius-pill);
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent-bronze);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: 'Cinzel', serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: var(--ink-primary);
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.hero-title span {
  font-style: italic;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  color: var(--accent-bronze);
}

.hero-description {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--ink-secondary);
  max-width: 780px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.6;
}

/* ==========================================================================
   SEARCH & FILTER CONTROLS
   ========================================================================== */

.controls-section {
  background: var(--bg-card);
  border: 1px solid var(--border-sepia);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2.5rem;
  backdrop-filter: blur(10px);
}

.search-box-wrapper {
  position: relative;
  margin-bottom: 1.25rem;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  min-height: 48px;
  padding: 1.1rem 3.5rem 1.1rem 3.25rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.05rem;
  background: var(--bg-alabaster);
  border: 1px solid var(--border-sepia);
  border-radius: var(--radius-md);
  color: var(--ink-primary);
  transition: var(--transition);
  box-shadow: inset 0 2px 4px rgba(43, 35, 29, 0.02);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-bronze);
  background: #ffffff;
  box-shadow: 0 0 0 4px var(--accent-bronze-glow);
}

.search-shortcut {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  background: rgba(140, 122, 107, 0.12);
  border: 1px solid var(--border-sepia);
  border-radius: 6px;
  color: var(--ink-muted);
  pointer-events: none;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-pill);
  font-family: 'Space Mono', monospace;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-secondary);
  background: rgba(246, 243, 235, 0.8);
  border: 1px solid var(--border-sepia);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  background: #ffffff;
  border-color: var(--accent-bronze);
  color: var(--accent-bronze);
  transform: translateY(-1px);
}

.tab-btn.active {
  background: var(--ink-primary);
  color: #ffffff;
  border-color: var(--ink-primary);
  box-shadow: var(--shadow-sm);
}

.tab-count {
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.2);
}

.tab-btn.active .tab-count {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.surprise-btn {
  margin-left: auto;
  min-height: 44px;
  background: linear-gradient(135deg, var(--accent-bronze), var(--accent-gold));
  color: #ffffff;
  border: none;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-pill);
  font-family: 'Space Mono', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px var(--accent-bronze-glow);
}

.surprise-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px var(--accent-bronze-glow);
}

/* ==========================================================================
   CARDS GRID & SECTION HEADERS
   ========================================================================== */

.section-title-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-sepia);
}

.section-title {
  font-family: 'Cinzel', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-title i {
  color: var(--accent-bronze);
}

.section-count {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.codex-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.codex-card {
  background: var(--bg-card);
  border: 1px solid var(--border-sepia);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}

.codex-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-bronze);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.1rem;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--bg-parchment);
  border: 1px solid var(--border-sepia);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent-bronze);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.03);
}

.card-actions-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.star-btn {
  background: transparent;
  border: none;
  color: var(--ink-light);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.4rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.star-btn:hover, .star-btn.starred {
  color: var(--accent-gold);
  transform: scale(1.15);
}

.status-badge {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.status-badge.roadmap {
  background: rgba(45, 90, 68, 0.1);
  color: var(--accent-emerald);
  border: 1px solid rgba(45, 90, 68, 0.25);
}

.status-badge.project {
  background: rgba(181, 141, 61, 0.12);
  color: var(--accent-bronze);
  border: 1px solid var(--border-bronze);
}

.status-badge.module {
  background: rgba(59, 75, 107, 0.1);
  color: var(--accent-indigo);
  border: 1px solid rgba(59, 75, 107, 0.25);
}

.status-badge.pdf_notes {
  background: rgba(200, 75, 75, 0.1);
  color: var(--accent-red);
  border: 1px solid rgba(200, 75, 75, 0.25);
}

.card-title {
  font-family: 'Cinzel', serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.card-desc {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  color: var(--ink-secondary);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.tag-pill {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  padding: 0.2rem 0.55rem;
  background: var(--bg-parchment);
  border: 1px solid var(--border-sepia);
  border-radius: 4px;
  color: var(--ink-muted);
}

.card-path {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--ink-light);
  background: rgba(140, 122, 107, 0.06);
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  margin-bottom: 1.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 1px dashed var(--border-sepia);
}

/* Card Button Group */
.card-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.card-bottom.single-btn {
  grid-template-columns: 1fr;
}

.btn-launch-tab, .btn-preview-modal, .btn-pdf-preview {
  min-height: 44px;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-launch-tab {
  background: var(--ink-primary);
  color: #ffffff;
  border: 1px solid var(--ink-primary);
}

.btn-launch-tab:hover {
  background: #000000;
  border-color: #000000;
  transform: translateY(-2px);
}

.btn-preview-modal {
  background: rgba(181, 141, 61, 0.08);
  color: var(--accent-bronze);
  border: 1px solid var(--border-bronze);
}

.btn-preview-modal:hover {
  background: var(--accent-bronze);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-pdf-preview {
  background: rgba(200, 75, 75, 0.08);
  color: var(--accent-red);
  border: 1px solid rgba(200, 75, 75, 0.3);
  width: 100%;
}

.btn-pdf-preview:hover {
  background: var(--accent-red);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ==========================================================================
   FIXED MOBILE BOTTOM NAVIGATION BAR & DRAWER
   ========================================================================== */

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(250, 248, 244, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-sepia);
  z-index: 900;
  justify-content: space-around;
  align-items: center;
  box-shadow: 0 -4px 20px rgba(43, 35, 29, 0.08);
}

.mobile-nav-item {
  background: transparent;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--ink-muted);
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  width: 20%;
  height: 100%;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-nav-item i {
  font-size: 1.15rem;
}

.mobile-nav-item.active {
  color: var(--accent-bronze);
  font-weight: 700;
}

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(43, 35, 29, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 990;
  display: flex;
  align-items: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.mobile-drawer {
  width: 100%;
  background: var(--bg-alabaster);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  padding: 1.5rem;
  border-top: 1px solid var(--border-bronze);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 80vh;
  overflow-y: auto;
}

.mobile-drawer-overlay.active .mobile-drawer {
  transform: translateY(0);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--border-sepia);
}

.drawer-title {
  font-family: 'Cinzel', serif;
  font-size: 1.2rem;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.drawer-close-btn {
  background: rgba(140, 122, 107, 0.15);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-primary);
  font-size: 1rem;
}

.drawer-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.drawer-opt-btn {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  min-height: 48px;
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--border-sepia);
  font-family: 'Space Mono', monospace;
  font-size: 0.88rem;
  color: var(--ink-primary);
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

.drawer-opt-btn.active {
  background: var(--ink-primary);
  color: #ffffff;
  border-color: var(--ink-primary);
}

/* ==========================================================================
   LIVE MODAL IFRAME VIEWPORT (WEBSITES)
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(43, 35, 29, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
}

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

.modal-viewport {
  width: 95vw;
  max-width: 1400px;
  height: 90vh;
  background: #ffffff;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-viewport {
  transform: scale(1);
}

.modal-header {
  padding: 0.9rem 1.5rem;
  background: var(--bg-alabaster);
  border-bottom: 1px solid var(--border-sepia);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  overflow: hidden;
}

.modal-title {
  font-family: 'Cinzel', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-url {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-muted);
  background: var(--bg-parchment);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--border-sepia);
  white-space: nowrap;
}

.modal-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.device-btn {
  background: transparent;
  border: 1px solid var(--border-sepia);
  padding: 0.4rem 0.75rem;
  min-height: 38px;
  border-radius: 6px;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.device-btn:hover, .device-btn.active {
  background: var(--ink-primary);
  color: #ffffff;
  border-color: var(--ink-primary);
}

.modal-close-btn {
  background: rgba(140, 122, 107, 0.15);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink-primary);
  font-size: 1.1rem;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: #e53e3e;
  color: #ffffff;
}

.modal-iframe-container {
  flex: 1;
  width: 100%;
  height: 100%;
  background: #ffffff;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.modal-iframe {
  width: 100%;
  height: 100%;
  border: none;
  transition: width 0.3s ease;
}

.modal-iframe-container.device-tablet .modal-iframe {
  width: 768px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.15);
}

.modal-iframe-container.device-mobile .modal-iframe {
  width: 390px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.15);
}

/* ==========================================================================
   PROTECTED PDF FULL-SCREEN MODAL VIEWPORT
   ========================================================================== */

.pdf-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 16, 13, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1rem;
}

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

.pdf-modal-viewport {
  width: 98vw;
  height: 96vh;
  background: #1e1e1e;
  border: 1px solid rgba(200, 75, 75, 0.4);
  border-radius: var(--radius-md);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pdf-modal-overlay.active .pdf-modal-viewport {
  transform: scale(1);
}

.pdf-modal-header {
  padding: 0.85rem 1.5rem;
  background: #141414;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #ffffff;
}

.pdf-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  overflow: hidden;
}

.pdf-lock-icon {
  color: var(--accent-red);
  font-size: 1.1rem;
}

.pdf-modal-title {
  font-family: 'Cinzel', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pdf-protected-tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent-red);
  background: rgba(200, 75, 75, 0.15);
  border: 1px solid rgba(200, 75, 75, 0.3);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.pdf-close-btn {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #ffffff;
  font-size: 1.1rem;
  transition: var(--transition);
}

.pdf-close-btn:hover {
  background: var(--accent-red);
  color: #ffffff;
}

.pdf-frame-wrapper {
  flex: 1;
  width: 100%;
  height: 100%;
  position: relative;
  background: #2a2a2a;
}

.pdf-iframe {
  width: 100%;
  height: 100%;
  border: none;
  user-select: none;
  -webkit-user-select: none;
}

.pdf-shield-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 48px; /* Shields iframe header toolbar on browsers */
  pointer-events: auto;
  z-index: 10;
}

/* ==========================================================================
   FOOTER & RESPONSIVE
   ========================================================================== */

.footer {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px dashed var(--border-sepia);
  text-align: center;
  color: var(--ink-muted);
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
}

.footer-quote {
  font-style: italic;
  margin-bottom: 0.75rem;
}

.footer-credits {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-light);
}

@media (max-width: 900px) {
  .search-shortcut { display: none; }
  .pdf-protected-tag { display: none; }
}

@media (max-width: 768px) {
  .app-container { padding: 0 1rem 6rem 1rem; }
  .navbar { flex-direction: column; gap: 1rem; align-items: flex-start; padding: 1rem 1.25rem; }
  .nav-stats { width: 100%; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }
  .hero-banner { padding: 2.5rem 1rem 2rem 1rem; }
  .filter-tabs { display: none; }
  .mobile-bottom-nav { display: flex; }
  .codex-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .modal-overlay { padding: 0; }
  .modal-viewport { width: 100vw; height: 100vh; border-radius: 0; }
  .pdf-modal-viewport { width: 100vw; height: 100vh; border-radius: 0; }
}