/* Kindlefy Prestige Literary Bookstore Design System v5 */
:root {
    /* 5 Bookstore Pillars: Hunter Green, Warm Parchment, Antique Brass */
    --brand-hunter-green: #1B3B2B;
    --brand-hunter-green-dark: #12281D;
    --brand-hunter-green-light: #2A5A43;
    --brand-parchment: #FBF8F3;
    --brand-parchment-deep: #F3ECE1;
    --brand-brass: #C5A059;
    --brand-brass-light: #DFCA9B;
    --brand-brass-dark: #9A7B38;
    
    --bg-page: #FBF8F3;
    --bg-surface: #ffffff;
    --bg-subtle: #F5EFE6;
    --bg-subtle-hover: #EBE3D5;
    
    --text-primary: #1B3B2B;
    --text-secondary: #3D4F44;
    --text-tertiary: #6E8075;
    
    --accent-emerald: #1B3B2B;
    --accent-emerald-light: #EBF3EE;
    --accent-emerald-border: #9CBCA8;
    
    --accent-indigo: #8B4513;
    --accent-indigo-light: #FBF3EB;
    
    --border-light: #E8DFD3;
    --border-medium: #D5C8B8;
    --border-dark: #1B3B2B;
    
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Bookerly', 'Newsreader', Georgia, serif;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --shadow-subtle: 0 1px 3px 0 rgba(27, 59, 43, 0.04), 0 1px 2px -1px rgba(27, 59, 43, 0.04);
    --shadow-card: 0 10px 25px -4px rgba(27, 59, 43, 0.07), 0 4px 10px -2px rgba(27, 59, 43, 0.03);
    --shadow-elevated: 0 20px 40px -10px rgba(27, 59, 43, 0.12), 0 8px 18px -4px rgba(27, 59, 43, 0.05);
}

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

body {
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header */
.header-nav {
    border-bottom: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.logo-mark {
    font-size: 1.35rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-ghost-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: color 0.15s;
}

.nav-ghost-link:hover {
    color: var(--text-primary);
}

.btn-shortcut-pill {
    background: var(--bg-subtle);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    padding: 7px 14px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
}

.btn-shortcut-pill:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-medium);
}

.nav-pack-btn {
    background: var(--text-primary);
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
}

.nav-pack-btn:hover {
    background: #27272a;
    transform: translateY(-1px);
    box-shadow: var(--shadow-subtle);
}

/* Content Container */
.content-wrapper {
    max-width: 880px;
    margin: 0 auto;
    padding: 48px 20px 100px;
}

/* Hero Section */
.hero-block {
    text-align: center;
    margin-bottom: 40px;
}

.pill-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border-top: 1px solid var(--brand-brass-light, #DFCA9B);
    border-bottom: 1px solid var(--brand-brass-light, #DFCA9B);
    border-left: none;
    border-right: none;
    color: var(--brand-hunter-green, #1B3B2B);
    font-family: var(--font-serif);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 0;
    margin-bottom: 20px;
    box-shadow: none;
}

.pill-dot {
    display: none;
}

.hero-headline {
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.035em;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.hero-serif-accent {
    font-family: var(--font-serif);
    font-weight: 500;
    font-style: italic;
    color: var(--accent-emerald);
    font-feature-settings: "kern" 1, "liga" 1, "dlig" 1, "onum" 1;
    font-variant-numeric: oldstyle-nums;
}

.hero-subline {
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 20px;
}

.hero-free-hook {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent-emerald-light);
    border: 1px solid var(--accent-emerald-border);
    color: var(--accent-emerald);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    font-weight: 700;
}

/* Central Action Card */
.action-card-container {
    margin-bottom: 64px;
}

.drop-card {
    background: var(--bg-surface);
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius-lg);
    padding: 44px 32px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: all 0.2s ease;
    cursor: pointer;
}

.drop-card:hover, .drop-card.drag-over {
    border-color: var(--text-primary);
    border-style: solid;
    box-shadow: var(--shadow-elevated);
    transform: translateY(-2px);
}

.drop-icon-wrap {
    width: 60px;
    height: 60px;
    background: var(--bg-subtle);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: transform 0.2s ease;
}

.drop-card:hover .drop-icon-wrap {
    transform: scale(1.08);
}

.drop-heading {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.drop-subheading {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
}

.btn-text-link {
    background: none;
    border: none;
    color: var(--text-primary);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
}

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

.drop-badges-row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.mini-badge {
    background: var(--bg-subtle);
    color: var(--text-secondary);
    font-size: 0.76rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.drop-instant-try {
    border-top: 1px solid var(--border-light);
    padding-top: 16px;
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.btn-instant-sample {
    background: var(--accent-emerald-light);
    color: var(--accent-emerald);
    border: 1px solid var(--accent-emerald-border);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
}

.btn-instant-sample:hover {
    background: var(--accent-emerald);
    color: #ffffff;
}

/* Active File State */
.file-summary-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-subtle);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 22px;
    text-align: left;
}

.file-info-group {
    display: flex;
    align-items: center;
    gap: 14px;
    overflow: hidden;
}

.file-icon {
    font-size: 1.8rem;
    line-height: 1;
}

.file-name {
    font-weight: 700;
    font-size: 1.02rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 440px;
}

.file-stats {
    font-size: 0.84rem;
    color: var(--accent-emerald);
    font-weight: 700;
}

.btn-remove-file {
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.btn-remove-file:hover {
    color: #ef4444;
}

.progress-box {
    margin-bottom: 22px;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background: var(--text-primary);
    transition: width 0.3s ease;
}

.progress-status {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.button-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.btn-primary, .btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
}

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

.btn-primary:hover {
    background: #1e293b;
    transform: translateY(-1px);
    box-shadow: var(--shadow-card);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
    background: var(--bg-subtle);
    border-color: var(--text-primary);
}

/* Samples Bar */
.samples-bar {
    margin-top: 20px;
    text-align: center;
}

.samples-lead {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 10px;
}

.samples-pill-group {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.sample-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 7px 16px;
    border-radius: var(--radius-full);
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-subtle);
    transition: all 0.15s ease;
    font-family: var(--font-sans);
}

.sample-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-card);
}

/* ==================== Virtual Living Bookshelf Display & 3D Carousel ==================== */
.bookshelf-section {
    margin: 44px auto 20px;
    position: relative;
}

.shelf-header-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 16px;
}

.shelf-badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent-emerald);
    margin-bottom: 3px;
}

.shelf-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.25;
}

.shelf-sub {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-top: 3px;
}

.shelf-nav-controls {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.btn-shelf-arrow {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border-medium);
    background: #ffffff;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-subtle);
    box-sizing: border-box;
}

.btn-shelf-arrow:hover {
    background: var(--text-primary);
    color: #ffffff;
    border-color: var(--text-primary);
    transform: scale(1.06);
}

.bookshelf-stage {
    position: relative;
    padding: 6px 0 0;
    border-radius: var(--radius-lg);
}

.bookshelf-track {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 22px 14px 4px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.bookshelf-track::-webkit-scrollbar {
    display: none;
}

.shelf-book-item {
    flex: 0 0 125px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    user-select: none;
}

.shelf-book-item:hover {
    transform: translateY(-10px);
}

.shelf-book-3d {
    position: relative;
    width: 115px;
    height: 168px;
    border-radius: 2px 6px 6px 2px;
    overflow: hidden;
    box-shadow: -4px 0 6px -1px rgba(0, 0, 0, 0.25) inset, 4px 10px 20px -4px rgba(15, 23, 42, 0.28);
    background: #e2e8f0;
    transition: box-shadow 0.22s ease;
}

.shelf-book-item:hover .shelf-book-3d {
    box-shadow: -4px 0 6px -1px rgba(0, 0, 0, 0.25) inset, 6px 18px 28px -4px rgba(15, 23, 42, 0.38);
}

.shelf-book-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 14px;
    background: linear-gradient(to right, rgba(0,0,0,0.3) 0%, rgba(255,255,255,0.18) 35%, rgba(0,0,0,0.1) 60%, transparent 100%);
    z-index: 2;
    pointer-events: none;
}

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

.shelf-page-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(15, 23, 42, 0.82);
    backdrop-filter: blur(4px);
    color: #ffffff;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    z-index: 3;
    letter-spacing: -0.01em;
}

.shelf-book-caption {
    margin-top: 8px;
    text-align: center;
    width: 100%;
}

.shelf-book-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 2.5em;
}

.shelf-book-author {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.shelf-patron-badge {
    font-size: 0.65rem;
    font-weight: 700;
    line-height: 1.3;
    padding: 2px 8px;
    margin-top: 4px;
    display: inline-block;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    transition: all 0.2s ease;
}

.shelf-patron-badge-gold {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #f59e0b 100%);
    color: #78350f;
    border: 1px solid #d97706;
    box-shadow: 0 1px 3px rgba(180, 83, 9, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.6);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
    letter-spacing: -0.01em;
}

.shelf-patron-badge-awaiting {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    color: #92400e;
    border: 1px dashed #d97706;
    box-shadow: 0 1px 2px rgba(180, 83, 9, 0.08);
    font-style: italic;
    cursor: pointer;
}

.shelf-patron-badge-awaiting:hover {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #b45309;
    color: #78350f;
}

.shelf-restored-tag {
    position: absolute;
    top: 6px;
    left: 6px;
    background: #15803d;
    color: #ffffff;
    font-size: 0.60rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 3px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    z-index: 4;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.shelf-book-card-actions {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
    margin-top: 8px;
    box-sizing: border-box;
}

.shelf-book-card-actions .btn-read-instant,
.shelf-book-card-actions .btn-sponsor-rescue {
    width: 100%;
    min-height: 48px;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 8px 8px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s ease;
}

.shelf-book-card-actions .btn-read-instant {
    background: var(--brand-hunter-green, #1B3B2B);
    color: #ffffff;
    border: 1px solid var(--brand-hunter-green, #1B3B2B);
}

.shelf-book-card-actions .btn-read-instant:hover {
    background: #12281D;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(27, 59, 43, 0.3);
}

.shelf-book-card-actions .btn-sponsor-rescue {
    background: var(--brand-brass, #C5A059);
    color: #1B3B2B;
    border: 1px solid var(--brand-brass-dark, #9E7D3B);
}

.shelf-book-card-actions .btn-sponsor-rescue:hover {
    background: #C5A059;
    color: #ffffff;
    box-shadow: 0 3px 8px rgba(197, 160, 89, 0.35);
}

.shelf-book-card-actions .btn-download-epub,
.shelf-book-card-actions .btn-inspect-scan {
    width: 100%;
    min-height: 48px;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 6px 6px;
    border-radius: 4px;
    background: #FDFBF7;
    color: var(--brand-hunter-green, #1B3B2B);
    border: 1px solid rgba(197, 160, 89, 0.5);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.shelf-book-card-actions .btn-download-epub:hover,
.shelf-book-card-actions .btn-inspect-scan:hover {
    background: #F4EFE6;
    border-color: #B38F48;
}

.btn-inspect-scan {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
}

/* Refined Matte Dark Walnut Archival Gallery Ledge with Ambient Occlusion */
.bookshelf-wood-ledge {
    position: relative;
    width: 100%;
    margin-top: -4px;
    z-index: 1;
}

.shelf-wood-surface {
    height: 10px;
    background: #231c16;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), inset 0 -1px 3px rgba(0, 0, 0, 0.6);
    border-radius: 2px 2px 0 0;
}

.shelf-wood-bevel {
    height: 8px;
    background: #15100c;
    border-radius: 0 0 3px 3px;
    border-top: 1px solid rgba(0, 0, 0, 0.4);
    box-shadow: 0 6px 20px -2px rgba(0, 0, 0, 0.45);
}

.shelf-wood-shadow {
    height: 18px;
    background: radial-gradient(ellipse at center top, rgba(15, 10, 7, 0.38) 0%, rgba(15, 10, 7, 0.14) 45%, transparent 75%);
    filter: blur(1px);
}

/* Ex Libris Antique Bookplate */
.ex-libris-bookplate {
    position: relative;
    background: #fffdfa;
    border: 2px solid #b45309;
    border-radius: 6px;
    padding: 18px 20px;
    text-align: center;
    box-shadow: inset 0 0 0 4px #fef3c7, inset 0 0 0 5px #b45309, 0 4px 12px rgba(180, 83, 9, 0.08);
    margin-bottom: 14px;
    font-family: var(--font-serif);
    font-feature-settings: "kern" 1, "liga" 1, "dlig" 1, "onum" 1;
    font-variant-numeric: oldstyle-nums;
}

.ex-libris-sub {
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #92400e;
    font-weight: 600;
    margin-bottom: 4px;
}

.ex-libris-head {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #451a03;
    margin-bottom: 6px;
    border-bottom: 1px solid #fde68a;
    display: inline-block;
    padding-bottom: 3px;
}

.ex-libris-present {
    font-size: 0.78rem;
    font-style: italic;
    color: #78350f;
    margin-bottom: 6px;
}

.ex-libris-name {
    font-size: 1.18rem;
    font-weight: 800;
    color: #7c2d12;
    min-height: 1.4em;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.ex-libris-motto {
    font-size: 0.7rem;
    font-style: italic;
    color: #a16207;
    margin-top: 6px;
    border-top: 1px dashed #e7dfd5;
    padding-top: 6px;
}

/* 3-Option Pricing Section */
.pricing-section {
    margin-bottom: 80px;
}

.section-label {
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    text-align: center;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-align: center;
    text-wrap: balance;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 580px;
    margin: 0 auto 36px;
}

.pricing-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.pricing-plan-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    position: relative;
}

.plan-featured {
    border: 2px solid var(--accent-emerald);
    box-shadow: var(--shadow-elevated);
}

.plan-ribbon {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-emerald);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 14px;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.plan-tier-name {
    font-size: 0.88rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.plan-price-wrap {
    display: flex;
    align-items: baseline;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.plan-currency {
    font-size: 1.6rem;
    font-weight: 700;
}

.plan-amount {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.plan-capacity {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--accent-emerald);
    margin-bottom: 6px;
}

.plan-book-equivalent {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-tertiary);
    background: var(--bg-subtle);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    display: inline-block;
    margin-bottom: 20px;
}

.plan-features {
    list-style: none;
    margin-bottom: 28px;
    flex-grow: 1;
}

.plan-features li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.45;
}

.plan-features li strong {
    color: var(--text-primary);
}

.btn-plan {
    width: 100%;
    padding: 13px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
    text-align: center;
}

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

.btn-plan-ghost:hover {
    background: var(--bg-subtle-hover);
    border-color: var(--border-medium);
}

.btn-plan-primary {
    background: var(--text-primary);
    color: #ffffff;
    border: 1px solid var(--text-primary);
}

.btn-plan-primary:hover {
    background: #1e293b;
    transform: translateY(-1px);
}

.btn-plan-emerald {
    background: var(--accent-emerald);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

.btn-plan-emerald:hover {
    background: #047857;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(5, 150, 105, 0.35);
}

/* Archives Directory Section */
.archives-section {
    margin-bottom: 80px;
}

.archives-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.archive-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-subtle);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: all 0.15s ease;
}

.archive-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.archive-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.archive-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.archive-title-arrow {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.archive-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.45;
    flex-grow: 1;
}

.archive-tip-box {
    background: var(--accent-emerald-light);
    border: 1px solid var(--accent-emerald-border);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    font-size: 0.88rem;
    color: var(--accent-emerald);
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Download & Cloud Options Section */
.downloads-section {
    margin-bottom: 80px;
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.download-option-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 22px 18px;
    box-shadow: var(--shadow-subtle);
}

.download-option-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.download-option-title {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.download-option-body {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

/* Shortcut Modal & Guide */
.shortcut-guide-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 80px;
    box-shadow: var(--shadow-card);
}

.shortcut-guide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.shortcut-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.shortcut-platform {
    background: var(--bg-subtle);
    padding: 18px;
    border-radius: var(--radius-md);
}

.shortcut-platform h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.shortcut-platform ol {
    margin-left: 18px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Before / After Section */
.preview-comparison-section {
    margin-bottom: 80px;
}

.comparison-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.display-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-subtle);
    display: flex;
    flex-direction: column;
}

.panel-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    align-self: flex-start;
}

.tag-warning {
    background: #fee2e2;
    color: #991b1b;
}

.tag-success {
    background: var(--accent-emerald-light);
    color: var(--accent-emerald);
}

.mock-page {
    border-radius: var(--radius-sm);
    padding: 22px;
    flex-grow: 1;
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Realistic Scanned PDF Pain */
.mock-scan {
    background: linear-gradient(135deg, #f5efe1 0%, #ece2cb 100%);
    border: 1px solid #d4c5a9;
    box-shadow: inset 16px 0 20px -8px rgba(80, 60, 30, 0.14), inset 0 0 8px rgba(0,0,0,0.03);
    font-family: var(--font-serif);
    font-size: 0.82rem;
    line-height: 1.4;
    color: #383229;
    transform: rotate(-0.35deg);
    position: relative;
}

.mock-scan::before {
    content: "SCAN ARTIFACT • MARGIN CUTOFF";
    position: absolute;
    top: 6px;
    right: 8px;
    font-family: var(--font-sans);
    font-size: 0.62rem;
    font-weight: 700;
    color: #9a8870;
    letter-spacing: 0.08em;
    opacity: 0.7;
}

.mock-scan-header {
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
    font-size: 0.88rem;
    color: #2b251e;
    letter-spacing: 0.05em;
    border-bottom: 1px dashed #cfbe9f;
    padding-bottom: 6px;
}

.mock-scan-lines p {
    margin-bottom: 8px;
    font-size: 0.8rem;
    color: #3b3429;
    letter-spacing: -0.01em;
}

.mock-scan-smudge {
    font-size: 0.72rem;
    color: #8c7b64;
    font-style: italic;
    background: rgba(180, 160, 130, 0.15);
    padding: 6px 10px;
    border-radius: 4px;
    margin: 10px 0;
    border-left: 3px solid #bba789;
}

.mock-pain-list {
    list-style: none;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid #e0d4be;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.mock-pain-list li {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 700;
    color: #b91c1c;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Pristine Reflowed Bookerly Cure */
.mock-reflow {
    background: #fcfbf7;
    border: 1px solid #ede8dc;
    box-shadow: 0 4px 16px rgba(0,0,0,0.03);
    font-family: var(--font-serif);
    font-size: 1.02rem;
    line-height: 1.75;
    color: #1a1a1a;
    font-feature-settings: "kern" 1, "liga" 1, "dlig" 1, "onum" 1;
    font-variant-numeric: oldstyle-nums;
}

.mock-reflow-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-sans);
    font-size: 0.76rem;
    font-weight: 700;
    color: #059669;
    padding-bottom: 10px;
    border-bottom: 1px solid #ede8dc;
    margin-bottom: 14px;
}

.mock-reflow-pill {
    background: #ecfdf5;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid #a7f3d0;
}

.mock-chapter {
    font-weight: 800;
    font-size: 1.22rem;
    margin-bottom: 10px;
    color: #0f172a;
    letter-spacing: -0.01em;
}

.mock-dropcap {
    float: left;
    font-size: 3.35rem;
    line-height: 0.72;
    margin-top: 0.1em;
    margin-right: 0.15em;
    margin-bottom: 0;
    font-weight: 800;
    color: #1e3a29;
    font-family: var(--font-serif);
    font-feature-settings: "kern" 1, "liga" 1, "dlig" 1, "onum" 1;
    font-variant-numeric: oldstyle-nums;
}

.mock-art-plate {
    margin: 14px 0;
    text-align: center;
    padding: 12px;
    background: #f7f5ee;
    border: 1px solid #ebe5d8;
    border-radius: var(--radius-sm);
}

.mock-art-img {
    max-height: 110px;
    margin: 0 auto 6px;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.08));
}

.mock-art-caption {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.78rem;
    color: #57534e;
}

.mock-cure-list {
    list-style: none;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid #ede8dc;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.mock-cure-list li {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 700;
    color: #047857;
    display: flex;
    align-items: center;
    gap: 6px;
}

.panel-caption {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    text-align: left;
}

.comparison-action-center {
    text-align: center;
}

.btn-sample-trigger {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
    box-shadow: var(--shadow-subtle);
}

.btn-sample-trigger:hover {
    border-color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-card);
}

/* Compact FAQ */
.compact-faq {
    max-width: 720px;
    margin: 0 auto 40px;
}

.faq-headline {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 22px;
    text-align: center;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-row {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 18px 22px;
    box-shadow: var(--shadow-subtle);
    transition: border-color 0.15s;
}

.faq-row[open] {
    border-color: var(--border-medium);
}

.faq-summary {
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    outline: none;
}

.faq-detail {
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.open {
    display: flex;
}

.modal-container {
    background: #ffffff;
    width: 100%;
    max-width: 1060px;
    height: 88vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-elevated);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-light);
}

.modal-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-light);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title-group {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.modal-badge {
    background: var(--accent-emerald-light);
    color: var(--accent-emerald);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

.modal-book-name {
    font-weight: 700;
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modal-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-modal-convert {
    background: var(--text-primary);
    color: #ffffff;
    border: none;
    padding: 9px 18px;
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.15s;
    white-space: nowrap;
}

.btn-modal-download-short,
.btn-modal-bookplate-short,
.btn-modal-convert-short {
    display: none;
}

.btn-modal-convert:hover {
    opacity: 0.9;
}

.btn-modal-dismiss {
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

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

.modal-frame {
    width: 100%;
    flex: 1 1 0;
    min-height: 0;
    border: none;
    background: #ffffff;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border-light);
    background: #ffffff;
    padding: 36px 24px;
}

.footer-inner {
    max-width: 1040px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.88rem;
    color: var(--text-tertiary);
}

.footer-nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 600;
}

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

/* Responsive Mobile-First Polish */
@media (max-width: 840px) {
    .header-inner {
        padding: 12px 16px;
    }
    .content-wrapper {
        padding: 20px 16px 50px;
    }
    .hero-block {
        margin-bottom: 24px;
    }
    .hero-headline {
        font-size: clamp(2rem, 8vw, 2.65rem);
        line-height: 1.15;
    }
    .hero-subline {
        font-size: 1.02rem;
        line-height: 1.55;
        margin-bottom: 16px;
    }
    .hero-free-hook {
        font-size: 0.85rem;
        padding: 10px 14px;
        line-height: 1.45;
    }
    .preview-comparison-section {
        margin: 36px auto 28px;
    }
    .comparison-display {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .display-panel {
        padding: 22px 18px;
        border-radius: var(--radius-lg);
    }
    .mock-page {
        padding: 18px 14px;
        margin-bottom: 14px;
    }
    .mock-art-plate {
        padding: 8px;
        margin: 10px 0;
    }
    .mock-art-img {
        max-height: 75px;
    }
    .mock-pain-list li, .mock-cure-list li {
        font-size: 0.82rem;
        line-height: 1.45;
    }
    .btn-sample-trigger {
        width: 100%;
        max-width: 100%;
        min-height: 48px;
        padding: 12px 16px;
        font-size: 0.92rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    .pricing-grid-3 {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin: 0 auto;
        gap: 20px;
    }
    .pricing-plan-card {
        padding: 28px 20px;
        border-radius: var(--radius-lg);
    }
    .btn-plan {
        min-height: 48px;
        font-size: 0.98rem;
    }
    .archives-grid, .downloads-grid, .shortcut-grid {
        grid-template-columns: 1fr;
    }
    .button-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .drop-card {
        padding: 22px 16px;
    }
    .search-input-group, .link-input-group {
        flex-direction: column;
        gap: 10px;
    }
    .book-search-input, .link-url-input {
        width: 100%;
        font-size: 16px; /* prevent iOS auto-zoom */
        padding: 14px 16px;
    }
    .btn-fetch-link {
        width: 100%;
        min-height: 48px;
        justify-content: center;
    }
    .input-mode-tabs {
        display: flex;
        width: 100%;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
        gap: 4px;
        padding: 4px;
        border-radius: var(--radius-full);
    }
    .mode-tab {
        flex: 1 1 0;
        justify-content: center;
        padding: 10px 6px;
        font-size: 0.82rem;
        white-space: nowrap;
    }
    .mode-tab .tab-pill {
        display: none;
    }
    .search-suggestions-row {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        padding: 6px 16px 8px 16px;
        margin-top: 14px;
        box-sizing: border-box;
        scroll-padding: 0 16px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .search-chip {
        flex-shrink: 0;
        white-space: nowrap;
        font-size: 0.82rem;
        padding: 8px 12px;
    }
    .bookshelf-stage {
        padding: 16px 8px 12px;
    }
    .bookshelf-track {
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        scroll-padding: 0 16px;
    }
    .shelf-book-item {
        scroll-snap-align: start;
    }
    .email-capture-card {
        padding: 28px 18px;
    }
    .email-form {
        flex-direction: column;
        gap: 12px;
    }
    .email-input {
        width: 100%;
        font-size: 16px;
        padding: 14px 16px;
    }
    .btn-email-submit {
        width: 100%;
        min-height: 48px;
        justify-content: center;
    }
    .modal-overlay {
        padding: 10px;
    }
    .bonus-card-popup, .account-card-popup, .book-details-card {
        padding: 24px 18px;
        width: 100%;
        max-width: 100%;
        max-height: 90vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius-lg);
    }
    .modal-container {
        height: 94vh;
        max-height: 94vh;
        border-radius: var(--radius-lg);
    }
    #readerModal {
        padding: 0 !important;
        height: 100% !important;
        height: 100dvh !important;
    }
    #readerModal .modal-container {
        width: 100% !important;
        max-width: 100% !important;
        height: 100% !important;
        height: 100dvh !important;
        max-height: 100dvh !important;
        border-radius: 0 !important;
        border: none !important;
    }
    #readerModal .modal-header {
        padding: 8px 12px;
        min-height: 48px;
        flex-shrink: 0;
    }
    #readerModal .modal-frame {
        flex: 1 1 0;
        min-height: 0;
        width: 100%;
        height: 100%;
        border: none;
    }
    .book-details-layout {
        flex-direction: column;
    }
    .site-footer {
        padding: 28px 16px;
    }
    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .footer-nav-links a, .footer-nav-links button {
        margin: 0 8px;
    }
}

@media (max-width: 520px) {
    .header-inner {
        padding: 10px 14px;
    }
    .brand-logo {
        font-size: 1.15rem;
        gap: 6px;
    }
    .logo-mark {
        font-size: 1.2rem;
    }
    .header-actions {
        gap: 8px;
    }
    .btn-account-pill {
        font-size: 0.78rem;
        padding: 7px 10px;
        gap: 4px;
        white-space: nowrap;
    }
    .btn-menu-trigger {
        font-size: 0.78rem;
        padding: 7px 10px;
    }
    .hero-headline {
        font-size: 2.1rem;
        line-height: 1.18;
    }
    .hero-subline {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    .hero-free-hook {
        font-size: 0.8rem;
        padding: 8px 12px;
    }
    .mode-tab {
        font-size: 0.76rem;
        padding: 9px 4px;
    }
    .modal-overlay {
        padding: 8px;
        align-items: flex-end;
    }
    .bonus-card-popup, .account-card-popup, .book-details-card {
        padding: 22px 16px 28px;
        border-radius: 20px 20px 0 0;
    }
    .chat-drawer-container {
        width: 100%;
        max-width: 100%;
    }
}

/* ==========================================================================
   Kindlefy Landing Page Redesign v5 (R1-R5 Living Books Standards)
   ========================================================================== */

/* --- R4: Streamlined Sticky Header --- */
.btn-header-bookshelf {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--brand-hunter-green, #1B3B2B);
    color: #ffffff;
    border: 1px solid var(--brand-hunter-green, #1B3B2B);
    padding: 9px 18px;
    border-radius: var(--radius-sm, 6px);
    font-size: 0.88rem;
    font-weight: 700;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
    min-height: 48px;
    max-width: 100%;
    box-sizing: border-box;
}

.btn-header-bookshelf:hover {
    background: var(--brand-hunter-green-dark, #12281D);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(27, 59, 43, 0.25);
}

.header-bookshelf-desktop-label {
    display: inline;
}

.header-bookshelf-mobile-label {
    display: none;
}

/* --- Bookstore Pillar 2: Live Community Impact Counter Banner --- */
.community-impact-bar {
    background: var(--brand-hunter-green, #1B3B2B);
    color: var(--brand-parchment, #FBF8F3);
    border-bottom: 1px solid var(--brand-brass, #C5A059);
    padding: 10px 16px;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.community-impact-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: var(--font-serif);
    font-size: 0.92rem;
    letter-spacing: 0.03em;
}

.community-impact-fleuron {
    color: var(--brand-brass, #C5A059);
    font-size: 0.95rem;
}

/* --- R1: Unified One-Stop Omnibox --- */
.omnibox-section {
    padding: 0 0 24px;
    width: 100%;
    max-width: 100%;
}

.omnibox-card {
    background: var(--bg-surface);
    border: 2px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 32px 28px 24px;
    box-shadow: var(--shadow-card);
    position: relative;
    transition: all 0.25s ease;
    overflow: hidden;
    max-width: 860px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.omnibox-card:hover {
    border-color: #94a3b8;
    box-shadow: var(--shadow-elevated);
}

.omnibox-card.drag-over {
    border-color: var(--brand-hunter-green, #1B3B2B);
    border-style: dashed;
    background: #f0fdf4;
}

.omnibox-header {
    text-align: center;
    margin-bottom: 20px;
}

.omnibox-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-hunter-green, #1B3B2B);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--brand-brass, #C5A059);
    padding: 2px 8px 6px;
    border-radius: 0;
    margin-bottom: 10px;
}

.omnibox-heading {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    line-height: 1.25;
    margin-bottom: 6px;
}

.omnibox-subheading {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.5;
}

.omnibox-form {
    max-width: 760px;
    margin: 0 auto;
    width: 100%;
}

.omnibox-input-wrapper {
    display: flex;
    align-items: center;
    background: #ffffff;
    border: 2px solid var(--border-medium);
    border-radius: var(--radius-full);
    padding: 4px 6px 4px 14px;
    gap: 8px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 3px 10px rgba(15, 23, 42, 0.04);
    width: 100%;
    box-sizing: border-box;
}

.omnibox-input-wrapper:focus-within {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 4px rgba(15, 23, 42, 0.08), 0 6px 16px rgba(15, 23, 42, 0.06);
}

.omnibox-leading-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.omnibox-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: transparent;
    padding: 12px 0;
    min-height: 48px;
    min-width: 0;
    box-sizing: border-box;
}

.omnibox-input::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

.omnibox-clear-btn {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.2rem;
    line-height: 1;
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.omnibox-clear-btn:hover {
    color: var(--text-primary);
    background: var(--bg-subtle);
}

.omnibox-file-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 9px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    flex-shrink: 0;
    min-height: 48px;
    box-sizing: border-box;
}

.omnibox-file-btn:hover {
    background: #e2e8f0;
    color: var(--text-primary);
    border-color: var(--border-medium);
}

.omnibox-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--text-primary);
    color: #ffffff;
    border: none;
    padding: 11px 22px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 700;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
    flex-shrink: 0;
    min-height: 48px;
    box-sizing: border-box;
}

.omnibox-action-btn:hover {
    background: #1e293b;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.omnibox-drop-hint {
    text-align: center;
    margin: 14px auto 0;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.15s ease;
    max-width: 600px;
}

.omnibox-drop-hint:hover {
    background: var(--bg-subtle);
}

.drop-hint-text {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.drop-hint-link {
    color: var(--accent-emerald);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 600;
}

.omnibox-drag-overlay {
    position: absolute;
    inset: 0;
    background: rgba(240, 253, 244, 0.96);
    backdrop-filter: blur(4px);
    border: 3px dashed var(--accent-emerald);
    border-radius: var(--radius-lg);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 20;
}

.drag-overlay-content {
    text-align: center;
    color: var(--accent-emerald);
    padding: 24px;
}

.search-suggestions-row,
.search-chips-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
    width: 100%;
    padding: 6px 16px;
    box-sizing: border-box;
}

.suggestions-label,
.chips-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-right: 4px;
}

.search-chip {
    background: #ffffff;
    border: 1px solid #D5C8B8;
    color: var(--brand-hunter-green, #1B3B2B);
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.84rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.15s ease;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    box-sizing: border-box;
}

.search-chip:hover {
    border-color: var(--brand-brass, #C5A059);
    color: var(--brand-hunter-green-dark, #12281D);
    background: var(--brand-parchment-deep, #F3ECE1);
    transform: translateY(-1px);
}


.carousel-subhead {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
    font-size: 0.95rem;
    color: var(--color-ink-vintage, #2C3531);
}

.carousel-library-link {
    color: var(--brand-hunter-green, #1B3B2B);
    font-weight: 700;
    text-decoration: none;
    font-size: 0.88rem;
    margin-left: 12px;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 6px 10px;
    box-sizing: border-box;
}

.carousel-library-link:hover {
    text-decoration: underline;
}


.btn-read-instant {
    background: var(--brand-hunter-green, #1B3B2B);
    color: #ffffff;
    border: none;
    padding: 10px 14px;
    border-radius: var(--radius-sm, 6px);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(27, 59, 43, 0.25);
    text-decoration: none;
    box-sizing: border-box;
}

.btn-read-instant:hover {
    background: var(--brand-hunter-green-dark, #12281D);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(27, 59, 43, 0.35);
}

.btn-download-epub {
    background: #F5EFE6;
    color: var(--brand-hunter-green, #1B3B2B);
    border: 1px solid var(--brand-brass, #C5A059);
    padding: 10px 14px;
    border-radius: var(--radius-sm, 6px);
    font-size: 0.86rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-sizing: border-box;
}

.btn-download-epub:hover {
    background: var(--brand-brass-light, #DFCA9B);
    color: var(--brand-hunter-green-dark, #12281D);
}

.btn-modal-download {
    background: #F5EFE6;
    color: var(--brand-hunter-green, #1B3B2B);
    border: 1px solid var(--brand-brass, #C5A059);
    padding: 8px 16px;
    border-radius: var(--radius-sm, 6px);
    font-size: 0.86rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-sizing: border-box;
}

.btn-modal-download:hover {
    background: #DFCA9B;
    color: #12281D;
}

.btn-inspect-scan {
    font-size: 0.76rem;
    color: var(--text-tertiary);
    text-align: center;
    text-decoration: none;
    transition: color 0.15s ease;
    padding: 12px 16px;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.btn-inspect-scan:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* --- R2: Live Ex Libris Bookplate Studio --- */
.shelf-bookplate-studio {
    background: #faf8f5;
    border: 1px solid #e7dfd5;
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    margin-bottom: 32px;
    box-shadow: 0 4px 16px rgba(60, 40, 20, 0.04);
}

.studio-intro {
    margin-bottom: 20px;
}

.studio-badge {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #92400e;
    margin-bottom: 2px;
}

.studio-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #451a03;
    line-height: 1.25;
}

.studio-desc {
    font-size: 0.88rem;
    color: #78350f;
    margin-top: 4px;
}

.studio-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: center;
}

@media (max-width: 768px) {
    .studio-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.studio-input-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: #451a03;
    margin-bottom: 6px;
}

.studio-text-input {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1.5px solid #cbd5e1;
    font-size: 0.95rem;
    font-family: inherit;
    background: #ffffff;
    transition: border-color 0.15s ease;
    box-sizing: border-box;
    min-height: 48px;
}

.studio-text-input:focus {
    outline: none;
    border-color: #b45309;
}

.studio-input-help {
    font-size: 0.75rem;
    color: #92400e;
    margin-top: 4px;
    margin-bottom: 16px;
}

.btn-studio-sponsor {
    background: #b45309;
    color: #ffffff;
    border: none;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all 0.15s ease;
    width: 100%;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(180, 83, 9, 0.25);
    box-sizing: border-box;
}

.btn-studio-sponsor:hover {
    background: #92400e;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(180, 83, 9, 0.35);
}

.studio-preview-frame {
    display: flex;
    justify-content: center;
}

.ex-libris-bookplate {
    background: #fffdfa;
    border: 2px solid #b45309;
    padding: 20px 24px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 12px rgba(60, 40, 20, 0.08);
    width: 100%;
    max-width: 360px;
    box-sizing: border-box;
    font-family: var(--font-serif);
}

.ex-libris-bookplate::after {
    content: '';
    position: absolute;
    inset: 3px;
    border: 1px solid #fde68a;
    pointer-events: none;
}

.ex-libris-fleuron {
    position: absolute;
    font-size: 0.75rem;
    color: #b45309;
    opacity: 0.8;
    line-height: 1;
}

.fleuron-tl { top: 6px; left: 8px; }
.fleuron-tr { top: 6px; right: 8px; }
.fleuron-bl { bottom: 6px; left: 8px; }
.fleuron-br { bottom: 6px; right: 8px; }

.ex-libris-sub,
.ex-libris-studio-sub {
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #92400e;
    font-weight: 600;
    margin-bottom: 4px;
    font-family: var(--font-sans);
}

.ex-libris-head,
.ex-libris-studio-head {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #451a03;
    margin-bottom: 6px;
    border-bottom: 1px solid #fde68a;
    display: inline-block;
    padding-bottom: 2px;
}

.ex-libris-present,
.ex-libris-studio-present {
    font-size: 0.76rem;
    font-style: italic;
    color: #78350f;
    margin-bottom: 6px;
}

.ex-libris-name,
.ex-libris-studio-name {
    font-size: 1.15rem;
    font-weight: 800;
    color: #7c2d12;
    min-height: 1.4em;
    letter-spacing: 0.02em;
    word-break: break-word;
}

.ex-libris-motto,
.ex-libris-studio-motto {
    font-size: 0.68rem;
    font-style: italic;
    color: #a16207;
    margin-top: 6px;
    border-top: 1px dashed #e7dfd5;
    padding-top: 6px;
}

/* --- R3: Hero Patron Pricing Spotlight --- */
.plan-hero-spotlight {
    border: 2.5px solid var(--accent-emerald) !important;
    transform: scale(1.02);
    box-shadow: 0 16px 36px -6px rgba(5, 150, 105, 0.18), 0 6px 14px -2px rgba(15, 23, 42, 0.06) !important;
    position: relative;
    background: #ffffff !important;
    z-index: 2;
}

.plan-hero-ribbon {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.35);
}

.btn-plan-hero-cta {
    background: var(--accent-emerald) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3) !important;
    min-height: 48px;
    box-sizing: border-box;
}

.btn-plan-hero-cta:hover {
    background: #047857 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 6px 18px rgba(5, 150, 105, 0.4) !important;
}

.plan-coop-subtle {
    border: 1.5px solid var(--border-light) !important;
    background: var(--bg-surface) !important;
    opacity: 0.95;
}

/* --- R4: Help & Technical Manuals Modal --- */
.help-modal-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    width: 100%;
    max-width: 780px;
    max-height: 88vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-elevated);
    box-sizing: border-box;
}

.help-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 10px;
}

.help-tab {
    background: transparent;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 700;
    font-family: var(--font-sans);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    min-height: 48px;
    box-sizing: border-box;
}

.help-tab:hover {
    background: var(--bg-subtle);
    color: var(--text-primary);
}

.help-tab.active {
    background: var(--accent-indigo-light);
    color: var(--accent-indigo);
}

.help-panel {
    animation: fadeIn 0.15s ease;
}

/* --- Desktop UX Preservation (min-width: 769px) --- */
@media (min-width: 769px) {
    .header-bookshelf-desktop-label {
        display: inline !important;
    }
    .header-bookshelf-mobile-label {
        display: none !important;
    }
    .showcase-masterworks-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 20px !important;
    }
    .comparison-display {
        grid-template-columns: 1fr 1fr !important;
        gap: 24px !important;
    }
    .pricing-grid-3 {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 20px !important;
    }
}

/* --- Dedicated Mobile Bookstore UX (max-width: 768px) --- */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .content-wrapper {
        padding: 24px 14px 60px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }

    /* Streamlined Mobile Header with 1-Tap [📚 Library (Free)] */
    .header-inner {
        padding: 10px 14px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .header-bookshelf-desktop-label {
        display: none !important;
    }
    .header-bookshelf-mobile-label {
        display: inline !important;
    }
    .btn-header-bookshelf {
        padding: 8px 14px !important;
        font-size: 0.84rem !important;
        min-height: 48px !important;
        border-radius: 6px !important;
    }

    /* Single-Line Ergonomic Mobile Omnibox (No 3-row stacked buttons) */
    /* Single-Line Ergonomic Mobile Omnibox (No overflowing buttons, full thumb tap targets) */
    .omnibox-card {
        padding: 18px 12px 14px !important;
        border-radius: 12px !important;
        box-sizing: border-box !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    .omnibox-form {
        width: 100% !important;
        max-width: 100% !important;
    }
    .omnibox-input-wrapper {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        padding: 4px 6px !important;
        gap: 6px !important;
        border-radius: 8px !important;
        min-height: 56px !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
        background: #ffffff !important;
    }
    .omnibox-leading-icon {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding-left: 6px !important;
        flex: 0 0 24px !important;
        width: 24px !important;
    }
    .omnibox-input {
        flex: 1 1 0px !important;
        min-width: 0 !important;
        width: 0 !important;
        text-align: left !important;
        padding: 8px 6px !important;
        font-size: 0.92rem !important;
        box-sizing: border-box !important;
        border: none !important;
        outline: none !important;
        background: transparent !important;
    }
    .omnibox-file-btn {
        flex: 0 0 44px !important;
        width: 44px !important;
        height: 48px !important;
        min-height: 48px !important;
        padding: 0 !important;
        justify-content: center !important;
        align-items: center !important;
        display: inline-flex !important;
        border-radius: 6px !important;
        box-sizing: border-box !important;
        background: var(--color-parchment-warm, #F4EFE6) !important;
        border: 1px solid var(--color-border-subtle, #E2DACB) !important;
        color: var(--brand-hunter-green, #1B3B2B) !important;
    }
    .omnibox-file-btn .omnibox-btn-label {
        display: none !important;
    }
    .omnibox-action-btn {
        flex: 0 0 48px !important;
        width: 48px !important;
        height: 48px !important;
        min-height: 48px !important;
        padding: 0 !important;
        border-radius: 6px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        box-sizing: border-box !important;
        background: var(--brand-hunter-green, #1B3B2B) !important;
        color: #ffffff !important;
        border: none !important;
        cursor: pointer !important;
    }
    .omnibox-action-btn #btnOmniboxActionText {
        display: none !important;
    }
    .omnibox-action-btn svg {
        width: 18px !important;
        height: 18px !important;
        margin: 0 !important;
    }
    .omnibox-drop-hint {
        display: none !important;
    }

    /* Smooth Horizontal Category Chips */
    .search-suggestions-row,
    .search-chips-row {
        display: flex !important;
        flex-direction: row !important;
        justify-content: flex-start !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        padding: 8px 16px 8px 16px !important;
        gap: 8px !important;
        scrollbar-width: none !important;
        -ms-overflow-style: none !important;
        align-items: center !important;
        width: 100% !important;
        box-sizing: border-box !important;
        scroll-padding: 0 16px !important;
    }
    .search-suggestions-row::-webkit-scrollbar,
    .search-chips-row::-webkit-scrollbar {
        display: none !important;
    }
    .suggestions-label,
    .chips-label {
        flex: 0 0 auto !important;
        white-space: nowrap !important;
        font-size: 0.74rem !important;
        text-transform: uppercase !important;
        letter-spacing: 0.05em !important;
        color: var(--color-ink-muted, #5A625D) !important;
        margin: 0 !important;
    }
    .search-chip {
        flex: 0 0 auto !important;
        min-height: 48px !important;
        padding: 6px 12px !important;
        border-radius: 4px !important;
        white-space: nowrap !important;
        font-size: 0.82rem !important;
    }
    .btn-read-instant,
    .btn-download-epub,
    .btn-inspect-scan,
    .btn-sponsor-rescue {
        width: 100% !important;
        min-height: 48px !important;
        font-size: 0.82rem !important;
        font-weight: 700 !important;
        padding: 8px 6px !important;
        text-align: center !important;
        justify-content: center !important;
        box-sizing: border-box !important;
    }

    /* Bookshelf Track & Curated Living Book Cards on Mobile */
    .bookshelf-stage {
        width: 100% !important;
        overflow: hidden !important;
    }
    .bookshelf-track {
        display: flex !important;
        flex-direction: row !important;
        gap: 14px !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        padding: 12px 6px 20px !important;
        scroll-snap-type: x mandatory !important;
    }
    .shelf-book-item {
        flex: 0 0 160px !important;
        width: 160px !important;
        max-width: 170px !important;
        scroll-snap-align: start !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        box-sizing: border-box !important;
    }
    .shelf-book-3d {
        width: 132px !important;
        height: 190px !important;
        border-radius: 2px 6px 6px 2px !important;
        box-sizing: border-box !important;
    }
    .shelf-book-cover-img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
    }
    .shelf-book-caption {
        width: 100% !important;
        margin-top: 8px !important;
        text-align: center !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        box-sizing: border-box !important;
        flex: 1 1 auto !important;
        justify-content: space-between !important;
    }
    .shelf-book-title {
        font-size: 0.84rem !important;
        line-height: 1.25 !important;
        height: 2.5em !important;
        min-height: 2.5em !important;
        max-height: 2.5em !important;
        overflow: hidden !important;
        margin-bottom: 2px !important;
    }
    .shelf-book-author {
        font-size: 0.72rem !important;
        line-height: 1.25 !important;
        height: 2.5em !important;
        min-height: 2.5em !important;
        max-height: 2.5em !important;
        display: -webkit-box !important;
        -webkit-line-clamp: 2 !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
        margin-bottom: 6px !important;
    }
    .shelf-cover-tag,
    .shelf-restored-tag {
        position: absolute !important;
        top: 6px !important;
        left: 6px !important;
        width: auto !important;
        min-width: 0 !important;
        max-width: max-content !important;
        height: auto !important;
        min-height: 0 !important;
        padding: 2px 7px !important;
        font-size: 0.62rem !important;
        font-weight: 700 !important;
        letter-spacing: 0.03em !important;
        text-transform: uppercase !important;
        border-radius: 3px !important;
        line-height: 1.2 !important;
        box-shadow: 0 1px 3px rgba(0,0,0,0.3) !important;
        z-index: 5 !important;
    }
    .shelf-patron-badge-restored,
    .shelf-patron-badge-awaiting {
        width: 100% !important;
        min-height: 26px !important;
        height: auto !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        font-size: 0.68rem !important;
        font-weight: 600 !important;
        border-radius: 4px !important;
        padding: 3px 6px !important;
        box-sizing: border-box !important;
        line-height: 1.2 !important;
        margin: 4px 0 6px !important;
    }
    .shelf-book-card-actions {
        display: flex !important;
        flex-direction: column !important;
        gap: 4px !important;
        width: 100% !important;
        margin-top: 6px !important;
        box-sizing: border-box !important;
    }
    .shelf-book-card-actions .btn-read-instant,
    .shelf-book-card-actions .btn-sponsor-rescue {
        width: 100% !important;
        min-height: 48px !important;
        height: auto !important;
        font-size: 0.78rem !important;
        font-weight: 700 !important;
        padding: 8px 8px !important;
        text-align: center !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        box-sizing: border-box !important;
        border-radius: 6px !important;
        white-space: nowrap !important;
        text-decoration: none !important;
        font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif) !important;
    }
    .shelf-book-card-actions .btn-download-epub,
    .shelf-book-card-actions .btn-inspect-scan {
        width: 100% !important;
        min-height: 48px !important;
        height: auto !important;
        font-size: 0.72rem !important;
        font-weight: 600 !important;
        padding: 6px 6px !important;
        text-align: center !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        box-sizing: border-box !important;
        border-radius: 4px !important;
        white-space: nowrap !important;
        text-decoration: none !important;
        font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif) !important;
    }
    .shelf-book-card-actions .btn-read-instant {
        background: var(--brand-hunter-green, #1B3B2B) !important;
        color: #ffffff !important;
        border: 1px solid var(--brand-hunter-green, #1B3B2B) !important;
        box-shadow: 0 2px 4px rgba(27, 59, 43, 0.2) !important;
    }
    .shelf-book-card-actions .btn-download-epub {
        background: #F5EFE6 !important;
        color: var(--brand-hunter-green, #1B3B2B) !important;
        border: 1px solid var(--brand-brass, #C5A059) !important;
    }
    .shelf-book-card-actions .btn-sponsor-rescue {
        background: var(--brand-brass, #C5A059) !important;
        color: var(--brand-hunter-green, #1B3B2B) !important;
        border: 1px solid var(--brand-brass-dark, #9E7D3B) !important;
        box-shadow: 0 2px 4px rgba(197, 160, 89, 0.25) !important;
    }
    .shelf-book-card-actions .btn-inspect-scan {
        background: #F5EFE6 !important;
        color: var(--brand-hunter-green, #1B3B2B) !important;
        border: 1px solid #D4C5A9 !important;
    }

    /* Comparison Section on Mobile */
    .comparison-display {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    /* Pricing Section & Headings on Mobile */
    .section-title {
        font-size: 1.65rem !important;
        line-height: 1.25 !important;
        text-wrap: balance !important;
        max-width: 18ch !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    .section-desc {
        text-wrap: balance !important;
        max-width: 38ch !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    .shelf-title {
        text-wrap: balance !important;
    }
    .carousel-subhead {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 6px !important;
    }
    .carousel-library-link {
        margin-left: 0 !important;
        display: inline-block !important;
    }

    /* Pricing Grid on Mobile */
    .pricing-grid-3 {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    .plan-hero-spotlight {
        transform: none !important;
    }

    /* Condensed, Ergonomic Reader Modal Controls on Mobile */
    .modal-header {
        padding: 8px 10px !important;
        gap: 6px !important;
        flex-wrap: nowrap !important;
    }
    .modal-title-group {
        display: none !important;
    }
    .modal-controls {
        display: flex !important;
        align-items: center !important;
        justify-content: flex-end !important;
        gap: 6px !important;
        width: 100% !important;
        flex-wrap: nowrap !important;
    }
    .btn-modal-download {
        padding: 6px 10px !important;
        font-size: 0.78rem !important;
        min-height: 44px !important;
        height: 44px !important;
        white-space: nowrap !important;
        flex: 0 0 auto !important;
    }
    .btn-modal-bookplate {
        padding: 6px 10px !important;
        font-size: 0.78rem !important;
        min-height: 44px !important;
        height: 44px !important;
        white-space: nowrap !important;
        flex: 0 0 auto !important;
    }
    .btn-modal-convert {
        padding: 6px 10px !important;
        font-size: 0.76rem !important;
        min-height: 44px !important;
        height: 44px !important;
        border-radius: 6px !important;
        white-space: nowrap !important;
        flex: 0 0 auto !important;
        line-height: 1.2 !important;
    }
    .btn-modal-download-long,
    .btn-modal-bookplate-long,
    .btn-modal-convert-long {
        display: none !important;
    }
    .btn-modal-download-short,
    .btn-modal-bookplate-short,
    .btn-modal-convert-short {
        display: inline !important;
    }
    .btn-modal-dismiss {
        min-width: 44px !important;
        min-height: 44px !important;
        width: 44px !important;
        height: 44px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 1.8rem !important;
        padding: 0 !important;
        flex: 0 0 44px !important;
        cursor: pointer !important;
        margin-left: 2px !important;
    }

    /* Studio Layout on Mobile */
    .studio-layout {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    .ex-libris-bookplate {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
}

/* --- AEO Definition Mobile Responsiveness --- */
@media (max-width: 480px) {
    .aeo-definition-section {
        padding: 20px 16px;
    }
    .aeo-facts-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

/* --- Ultra-Compact Viewport Polish (<= 360px) --- */
@media (max-width: 360px) {
    .header-inner {
        padding: 8px 10px !important;
    }
    .btn-header-bookshelf {
        padding: 8px 10px !important;
        font-size: 0.8rem !important;
    }
    .showcase-masterworks-grid {
        gap: 8px !important;
    }
    .masterwork-card {
        padding: 8px 6px !important;
    }
    .masterwork-3d {
        width: 90px !important;
        height: 130px !important;
    }
}

/* Living Library Header & Mobile Navigation Drawer */
header.library-header {
    background: var(--color-parchment, #FBF8F3);
    border-bottom: 1px solid var(--color-border-subtle, #E2DACB);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background-color: rgba(251, 248, 243, 0.96);
}
.brand-group,
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-hunter-green, #1B3B2B);
}
.brand-logo-mark {
    width: 36px;
    height: 36px;
    background: var(--color-hunter-green, #1B3B2B);
    color: var(--color-brass, #C5A059);
    border-radius: var(--radius-sm, 4px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display, 'Cinzel', serif);
    font-size: 20px;
    font-weight: 700;
    box-shadow: inset 0 0 0 1px var(--color-brass-dark, #9E7D3B);
}
.brand-titles {
    display: flex;
    flex-direction: column;
}
.brand-name {
    font-family: var(--font-display, 'Cinzel', serif);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-hunter-green, #1B3B2B);
    line-height: 1.1;
}
.brand-tagline {
    font-family: var(--font-serif, 'EB Garamond', Georgia, serif);
    font-size: 12.5px;
    font-style: italic;
    color: var(--color-brass-dark, #9E7D3B);
    letter-spacing: 0.02em;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}
.btn-nav-link {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-hunter-green, #1B3B2B);
    text-decoration: none;
    padding: 8px 14px;
    border: 1px solid var(--color-border-subtle, #E2DACB);
    border-radius: var(--radius-sm, 4px);
    background: transparent;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 48px;
    box-sizing: border-box;
}
.btn-nav-link:hover {
    background: var(--color-parchment-warm, #F4EFE6);
    border-color: var(--color-brass, #C5A059);
}
.btn-header-account {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    color: var(--color-hunter-green, #1B3B2B);
    border: 1px solid var(--color-border-subtle, #E2DACB);
    padding: 8px 14px;
    border-radius: var(--radius-sm, 4px);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
    min-height: 48px;
    box-sizing: border-box;
}
.btn-header-account:hover {
    background: var(--color-parchment-warm, #F4EFE6);
    border-color: var(--color-brass, #C5A059);
    color: var(--color-deep-forest, #12281D);
}
.btn-nav-sponsor {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-parchment, #FBF8F3);
    background: var(--color-hunter-green, #1B3B2B);
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid var(--color-hunter-green, #1B3B2B);
    border-radius: var(--radius-sm, 4px);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-subtle);
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    box-sizing: border-box;
}
.btn-nav-sponsor:hover {
    background: var(--color-deep-forest, #12281D);
    border-color: var(--color-brass, #C5A059);
    color: var(--color-brass-light, #DFBE7C);
}

/* Mobile Drawer Trigger & Modal */
.btn-mobile-drawer-trigger {
    display: none;
    align-items: center;
    gap: 6px;
    background: var(--color-hunter-green, #1B3B2B);
    color: var(--color-parchment, #FBF8F3);
    border: 1px solid var(--color-brass-dark, #9E7D3B);
    border-radius: var(--radius-sm, 4px);
    font-family: var(--font-sans);
    font-size: 13.5px;
    font-weight: 600;
    padding: 8px 14px;
    min-height: 48px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    box-sizing: border-box;
}
.btn-mobile-drawer-trigger:hover {
    background: var(--color-deep-forest, #12281D);
    color: var(--color-brass-light, #DFBE7C);
}
.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(18, 40, 29, 0.65);
    backdrop-filter: blur(4px);
    z-index: 999;
    display: flex;
    justify-content: flex-end;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.mobile-drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}
.mobile-drawer-card {
    width: 85%;
    max-width: 320px;
    height: 100%;
    background: var(--color-parchment, #FBF8F3);
    border-left: 1px solid var(--color-border-strong, #CFC5B2);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -4px 0 24px rgba(18, 40, 29, 0.25);
    box-sizing: border-box;
}
.mobile-drawer-overlay.open .mobile-drawer-card {
    transform: translateX(0);
}
.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--color-border-subtle, #E2DACB);
    margin-bottom: 20px;
}
.drawer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.drawer-logo-mark {
    width: 32px;
    height: 32px;
    background: var(--color-hunter-green, #1B3B2B);
    color: var(--color-brass, #C5A059);
    border-radius: var(--radius-sm, 4px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display, 'Cinzel', serif);
    font-size: 18px;
    font-weight: 700;
}
.drawer-brand-name {
    font-family: var(--font-display, 'Cinzel', serif);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-hunter-green, #1B3B2B);
    letter-spacing: 0.08em;
}
.btn-close-drawer {
    background: transparent;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--color-ink-muted, #5A625D);
    cursor: pointer;
    padding: 4px 8px;
    min-height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.drawer-nav-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    text-decoration: none;
    color: var(--color-ink, #1F2421);
    border: 1px solid var(--color-border-subtle, #E2DACB);
    border-radius: var(--radius-card, 6px);
    background: var(--color-parchment-warm, #F4EFE6);
    transition: all 0.15s ease;
    box-sizing: border-box;
}
.drawer-nav-button {
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
}
.drawer-nav-item:hover {
    border-color: var(--color-brass, #C5A059);
    background: #FFF;
}
.drawer-nav-item.highlight {
    background: var(--color-hunter-green, #1B3B2B);
    color: var(--color-parchment, #FBF8F3);
    border-color: var(--color-brass-dark, #9E7D3B);
}
.drawer-nav-item.highlight .drawer-item-text strong {
    color: var(--color-brass-light, #DFBE7C);
}
.drawer-nav-item.highlight .drawer-item-text small {
    color: rgba(251, 248, 243, 0.85);
}
.drawer-icon {
    font-size: 18px;
    margin-top: 2px;
}
.drawer-item-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.drawer-item-text strong {
    font-family: var(--font-serif, 'EB Garamond', Georgia, serif);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-hunter-green, #1B3B2B);
}
.drawer-item-text small {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-ink-muted, #5A625D);
}

/* Dual-Status Search Book Cards */
.search-book-card {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: #FFF;
    border: 1px solid var(--color-border-subtle, #E2DACB);
    border-radius: var(--radius-card, 6px);
    box-shadow: var(--shadow-subtle);
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
    box-sizing: border-box;
    text-align: left;
}
.search-book-card:hover {
    border-color: var(--color-brass, #C5A059);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}
.search-book-card.is-restored {
    border-left: 4px solid var(--color-hunter-green, #1B3B2B);
    background: linear-gradient(180deg, #FFFFFF 0%, var(--color-parchment-warm, #F4EFE6) 100%);
}
.search-book-card.is-unconverted {
    border-left: 4px solid var(--color-brass, #C5A059);
}
.search-book-cover {
    width: 72px;
    height: 104px;
    object-fit: cover;
    border-radius: var(--radius-sm, 4px);
    box-shadow: 0 2px 8px rgba(18, 40, 29, 0.15);
    flex-shrink: 0;
    background: var(--color-parchment-warm, #F4EFE6);
}
.search-book-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
}
.search-book-title {
    font-family: var(--font-reading, 'Newsreader', Georgia, serif);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-hunter-green, #1B3B2B);
    line-height: 1.25;
}
.search-book-author {
    font-family: var(--font-serif, 'EB Garamond', Georgia, serif);
    font-size: 14px;
    color: var(--color-ink-muted, #5A625D);
    margin-top: 2px;
}
.badge-restored-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--accent-emerald-light, #EBF3EE);
    color: var(--color-hunter-green, #1B3B2B);
    border: 1px solid var(--accent-emerald-border, #9CBCA8);
    border-radius: var(--radius-sm, 4px);
    padding: 3px 8px;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-sans);
}
.badge-pd {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--color-parchment-warm, #F4EFE6);
    color: var(--color-ink-muted, #5A625D);
    border: 1px solid var(--color-border-subtle, #E2DACB);
    border-radius: var(--radius-sm, 4px);
    padding: 3px 8px;
    font-size: 12px;
    font-weight: 500;
    font-family: var(--font-sans);
}
.search-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 4px;
}
.btn-card-action {
    font-family: var(--font-sans);
    font-size: 12.5px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-sm, 4px);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 48px;
    cursor: pointer;
    transition: all 0.15s ease;
    box-sizing: border-box;
}
.btn-card-download {
    background: var(--color-hunter-green, #1B3B2B);
    color: var(--color-parchment, #FBF8F3);
    border: 1px solid var(--color-hunter-green, #1B3B2B);
}
.btn-card-download:hover {
    background: var(--color-deep-forest, #12281D);
    color: var(--color-brass-light, #DFBE7C);
}
.btn-card-read {
    background: transparent;
    color: var(--color-hunter-green, #1B3B2B);
    border: 1px solid var(--color-border-strong, #CFC5B2);
}
.btn-card-read:hover {
    background: var(--color-parchment-warm, #F4EFE6);
    border-color: var(--color-brass, #C5A059);
}
.btn-card-sponsor {
    background: var(--color-hunter-green, #1B3B2B);
    color: var(--color-brass-light, #DFBE7C);
    border: 1px solid var(--color-brass-dark, #9E7D3B);
}
.btn-card-sponsor:hover {
    background: var(--color-deep-forest, #12281D);
    color: #FFF;
}
.btn-card-inspect {
    background: transparent;
    color: var(--color-ink-muted, #5A625D);
    border: 1px solid var(--color-border-subtle, #E2DACB);
}
.btn-card-inspect:hover {
    background: var(--color-parchment-warm, #F4EFE6);
    color: var(--color-hunter-green, #1B3B2B);
}

@media (max-width: 768px) {
    .nav-actions {
        display: none !important;
    }
    .btn-header-bookshelf {
        display: none !important;
    }
    .btn-mobile-drawer-trigger {
        display: inline-flex !important;
    }
}

/* ==================== Milestone 2: Tribal Bookstore Growth Engines Styles ==================== */

/* Dual-Status Bookshelf Badges (R3) */
.badge-restored,
.badge-rescued,
.shelf-patron-badge-restored {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-family: var(--font-sans, sans-serif);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: #12281D;
    background: #EBF3EE;
    border: 1px solid #9CBCA8;
    border-radius: 4px;
}

.badge-awaiting,
.badge-awaiting-patron,
.shelf-patron-badge-awaiting {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-family: var(--font-sans, sans-serif);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: #5A3E00;
    background: #FDF8ED;
    border: 1px solid #DFCA9B;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.badge-awaiting:hover,
.badge-awaiting-patron:hover,
.shelf-patron-badge-awaiting:hover {
    background: #F8EDD3;
    border-color: #C5A059;
}

/* 1-Tap Sponsor & Rescue CTA Button (R3/R5) */
.btn-sponsor-rescue {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 12px 20px;
    font-family: var(--font-serif, 'Bookerly', Georgia, serif);
    font-size: 1rem;
    font-weight: 700;
    color: #1B3B2B;
    background: #DFCA9B;
    border: 1.5px solid #C5A059;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
}
.btn-sponsor-rescue:hover {
    background: #C5A059;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(197, 160, 89, 0.35);
}

/* Bookplate Action Buttons (R1/R5) */
.btn-print-bookplate,
.btn-download-bookplate,
.btn-modal-bookplate {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 10px 18px;
    font-family: var(--font-sans, sans-serif);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
    box-sizing: border-box;
    text-decoration: none;
}
.btn-print-bookplate {
    color: #ffffff;
    background: var(--brand-hunter-green, #1B3B2B);
    border: 1.5px solid #12281D;
}
.btn-print-bookplate:hover {
    background: #12281D;
    color: var(--brand-brass-light, #DFCA9B);
}
.btn-download-bookplate {
    color: var(--brand-hunter-green, #1B3B2B);
    background: #ffffff;
    border: 1.5px solid var(--brand-brass, #C5A059);
}
.btn-download-bookplate:hover {
    background: #FBF8F3;
    border-color: #1B3B2B;
}
.btn-modal-bookplate {
    color: var(--brand-hunter-green, #1B3B2B);
    background: var(--brand-parchment, #FBF8F3);
    border: 1px solid var(--brand-brass, #C5A059);
}
.btn-modal-bookplate:hover {
    background: #ffffff;
}

/* "In Honor Of" Dedication Flow (R4) */
.dedication-gifting-container {
    margin: 16px 0;
    padding: 16px;
    background: #FAF7F2;
    border: 1px solid #E8DFD3;
    border-radius: 8px;
    box-sizing: border-box;
}
.dedication-prompt {
    font-family: var(--font-serif, 'Bookerly', Georgia, serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--brand-hunter-green, #1B3B2B);
    margin-bottom: 12px;
}
.dedication-type-selector {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}
.dedication-type-option {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    padding: 8px 14px;
    background: #ffffff;
    border: 1.5px solid #D5C8B8;
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-sans, sans-serif);
    font-size: 0.88rem;
    color: #2D3E33;
    transition: all 0.2s ease;
    box-sizing: border-box;
}
.dedication-type-option:hover {
    border-color: var(--brand-brass, #C5A059);
    background: #FCFBF8;
}
.dedication-type-option input[type="radio"] {
    accent-color: var(--brand-hunter-green, #1B3B2B);
    width: 18px;
    height: 18px;
    cursor: pointer;
}
.dedication-text-input {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    font-family: var(--font-serif, 'Bookerly', Georgia, serif);
    font-size: 0.95rem;
    color: #1B3B2B;
    background: #ffffff;
    border: 1.5px solid #D5C8B8;
    border-radius: 6px;
    box-sizing: border-box;
    transition: border-color 0.2s ease;
}
.dedication-text-input:focus {
    outline: none;
    border-color: var(--brand-brass, #C5A059);
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
}

/* Tribute Page Layout Components (R2) */
.tribute-page-body {
    background: var(--brand-parchment, #FBF8F3);
    color: #1B3B2B;
    font-family: var(--font-serif, 'Bookerly', Georgia, serif);
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow-x: hidden;
}
.tribute-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 24px 16px 60px;
    box-sizing: border-box;
}
.tribute-card {
    background: #ffffff;
    border: 2px solid #E8DFD3;
    border-radius: 12px;
    padding: 32px 24px;
    box-shadow: 0 8px 32px rgba(27, 59, 43, 0.08);
    box-sizing: border-box;
    margin-bottom: 24px;
}
.tribute-actions-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
    justify-content: center;
}
.btn-tribute-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 12px 22px;
    font-family: var(--font-sans, sans-serif);
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    box-sizing: border-box;
    transition: all 0.2s ease;
}
.btn-tribute-read {
    background: var(--brand-hunter-green, #1B3B2B);
    color: #ffffff;
    border: 1.5px solid #12281D;
}
.btn-tribute-read:hover {
    background: #12281D;
    color: var(--brand-brass-light, #DFCA9B);
}
.btn-tribute-share,
.btn-tribute-copy,
.btn-tribute-sms {
    background: #FAF7F2;
    color: var(--brand-hunter-green, #1B3B2B);
    border: 1.5px solid #D5C8B8;
}
.btn-tribute-share:hover,
.btn-tribute-copy:hover,
.btn-tribute-sms:hover {
    background: #F3ECE1;
    border-color: var(--brand-brass, #C5A059);
}

/* ==================== 3.5" x 4.5" Bookplate Print Engine (R1) ==================== */
@media print {
    @page {
        size: 3.5in 4.5in;
        margin: 0;
    }

    html, body {
        margin: 0 !important;
        padding: 0 !important;
        width: 3.5in !important;
        height: 4.5in !important;
        background: #ffffff !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        color-adjust: exact !important;
    }

    /* Suppress everything on the webpage during bookplate printing */
    body > *:not(#kindlefyPrintContainer) {
        display: none !important;
        visibility: hidden !important;
    }

    /* Exclusively display the dedicated print isolation container */
    #kindlefyPrintContainer,
    body > #kindlefyPrintContainer,
    #kindlefyPrintContainer * {
        display: block !important;
        visibility: visible !important;
    }

    #kindlefyPrintContainer {
        position: absolute !important;
        left: 0 !important;
        top: 0 !important;
        width: 3.5in !important;
        height: 4.5in !important;
        margin: 0 !important;
        padding: 0.18in !important;
        box-sizing: border-box !important;
        background: #FBF8F3 !important;
        border: 3.5px double #1B3B2B !important;
        outline: 1.5px solid #C5A059 !important;
        outline-offset: -5px !important;
        page-break-inside: avoid !important;
        page-break-after: avoid !important;
        overflow: hidden !important;
        text-align: center !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        color-adjust: exact !important;
    }

    #kindlefyPrintContainer .print-fleuron {
        position: absolute !important;
        font-size: 11pt !important;
        color: #1B3B2B !important;
        line-height: 1 !important;
    }
    #kindlefyPrintContainer .print-fl-tl { top: 6px !important; left: 8px !important; }
    #kindlefyPrintContainer .print-fl-tr { top: 6px !important; right: 8px !important; }
    #kindlefyPrintContainer .print-fl-bl { bottom: 6px !important; left: 8px !important; }
    #kindlefyPrintContainer .print-fl-br { bottom: 6px !important; right: 8px !important; }

    #kindlefyPrintContainer .print-sub {
        font-family: 'Cinzel', 'Newsreader', Georgia, serif !important;
        font-size: 6.5pt !important;
        letter-spacing: 0.18em !important;
        text-transform: uppercase !important;
        color: #7C2D12 !important;
        font-weight: 700 !important;
        margin-top: 4px !important;
        margin-bottom: 2px !important;
    }

    #kindlefyPrintContainer .print-head {
        font-family: 'Cinzel', 'Newsreader', Georgia, serif !important;
        font-size: 12pt !important;
        font-weight: 800 !important;
        letter-spacing: 0.14em !important;
        text-transform: uppercase !important;
        color: #1B3B2B !important;
        margin: 2px 0 4px !important;
        border-bottom: 1px solid #C5A059 !important;
        padding-bottom: 2px !important;
        display: inline-block !important;
    }

    #kindlefyPrintContainer .print-title {
        font-family: 'Bookerly', 'Newsreader', Georgia, serif !important;
        font-size: 11pt !important;
        font-weight: 700 !important;
        font-style: italic !important;
        color: #1B3B2B !important;
        margin: 6px 0 2px !important;
        line-height: 1.25 !important;
    }

    #kindlefyPrintContainer .print-present {
        font-family: 'Bookerly', 'Newsreader', Georgia, serif !important;
        font-size: 7.5pt !important;
        font-style: italic !important;
        color: #5A3E00 !important;
        margin-top: 4px !important;
    }

    #kindlefyPrintContainer .print-patron {
        font-family: 'Bookerly', 'Newsreader', Georgia, serif !important;
        font-size: 13pt !important;
        font-weight: 800 !important;
        color: #7C2D12 !important;
        margin: 6px 0 3px !important;
        letter-spacing: 0.02em !important;
    }

    #kindlefyPrintContainer .print-note {
        font-family: 'Bookerly', 'Newsreader', Georgia, serif !important;
        font-size: 8.5pt !important;
        font-style: italic !important;
        color: #451A03 !important;
        line-height: 1.28 !important;
        margin: 4px 8px !important;
    }

    #kindlefyPrintContainer .print-motto {
        font-family: 'Bookerly', 'Newsreader', Georgia, serif !important;
        font-size: 6.8pt !important;
        font-style: italic !important;
        color: #92400E !important;
        margin-top: 8px !important;
        border-top: 1px dashed #C5A059 !important;
        padding-top: 4px !important;
    }
}

/* 3D Perspective Tribute Book Cover */
.tribute-cover-3d {
    perspective: 800px;
    transform: rotateY(-4deg) rotateX(2deg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.tribute-cover-3d:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

/* Post-Payment Celebration Banner Actions */
.celebration-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.btn-celebration-action,
.btn-banner-action,
.btn-banner-tribute {
    min-height: 48px;
    box-sizing: border-box;
    touch-action: manipulation;
}

/* ==========================================================================
   LITERARY ANTIQUE BRASS INFO-ICON TOOLTIP SYSTEM
   ========================================================================== */
.info-tooltip-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    margin-left: 5px;
}

.info-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
    border-radius: 50%;
    background: var(--color-parchment-warm, #F4EFE6);
    border: 1px solid var(--brand-brass, #C5A059);
    color: var(--brand-hunter-green, #1B3B2B);
    font-size: 0.70rem;
    font-family: Georgia, serif;
    font-style: italic;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    margin: 0;
    transition: all 0.15s ease;
    box-sizing: border-box;
    flex-shrink: 0;
    position: relative;
}

.info-btn::before {
    content: "";
    position: absolute;
    top: -8px;
    bottom: -8px;
    left: -8px;
    right: -8px;
}

.info-btn:hover,
.info-btn:focus-visible,
.info-btn.active {
    background: var(--brand-brass, #C5A059);
    color: #FFFFFF;
    border-color: var(--brand-brass, #C5A059);
    outline: none;
}

.info-tooltip-popover {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #FFFDF9;
    color: #2D3748;
    border: 1px solid var(--brand-brass, #C5A059);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.76rem;
    line-height: 1.35;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-style: normal;
    font-weight: 400;
    text-align: left;
    white-space: normal;
    width: 220px;
    box-shadow: 0 4px 16px rgba(27, 59, 43, 0.15);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    box-sizing: border-box;
}

.info-tooltip-popover::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: var(--brand-brass, #C5A059) transparent transparent transparent;
}

.info-tooltip-wrap:hover .info-tooltip-popover,
.info-tooltip-wrap:focus-within .info-tooltip-popover,
.info-tooltip-wrap.active .info-tooltip-popover {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

@media (max-width: 600px) {
    .info-tooltip-popover {
        width: 200px;
        max-width: calc(100vw - 32px);
        font-size: 0.72rem;
        padding: 6px 10px;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }
    .info-tooltip-popover::after {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }
}