:root {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --ink: #142033;
    --muted: #667085;
    --line: #e5e9ef;
    --primary: #123a66;
    --primary-strong: #0b294a;
    --primary-soft: #e8f0f8;
    --accent: #d9a441;
    --accent-soft: #fff6df;
    --success: #18794e;
    --success-soft: #e8f7ef;
    --warning: #9a6700;
    --warning-soft: #fff6d8;
    --danger: #b42318;
    --danger-soft: #fff0ee;
    --info: #175cd3;
    --info-soft: #eef4ff;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);
    --shadow: 0 10px 30px rgba(15, 35, 60, .08);
    --shadow-lg: 0 22px 56px rgba(15, 35, 60, .14);
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --container: 1180px;
}

body[data-theme="emerald"] {
    --primary: #0f5b4f;
    --primary-strong: #083f36;
    --primary-soft: #e5f5f1;
    --accent: #d2a23a;
    --accent-soft: #fff5dd;
}
body[data-theme="maroon"] {
    --primary: #6d1d2d;
    --primary-strong: #4c1120;
    --primary-soft: #f7e9ed;
    --accent: #c69636;
    --accent-soft: #fff4dc;
}
body[data-theme="graphite"] {
    --primary: #303744;
    --primary-strong: #1d222b;
    --primary-soft: #edf0f4;
    --accent: #2563eb;
    --accent-soft: #eef4ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: var(--bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
svg { flex: 0 0 auto; }
.container, .container-wide { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.container-wide { width: min(calc(100% - 36px), 1320px); }
.page-space { padding-block: 40px 72px; }
.icon { display: inline-block; vertical-align: middle; }
.muted { color: var(--muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-right { text-align: right; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.94);
    border-bottom: 1px solid rgba(229,233,239,.95);
    backdrop-filter: blur(14px);
}
.header-shell { min-height: 72px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
.brand-logo {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(145deg, var(--primary), var(--primary-strong));
    box-shadow: 0 7px 16px color-mix(in srgb, var(--primary) 22%, transparent);
    overflow: hidden;
}
.uploaded-logo { object-fit: contain; padding: 4px; background: #fff; border: 1px solid var(--line); }
.brand-copy { display: grid; line-height: 1.18; }
.brand-copy strong { font-size: 15px; letter-spacing: -.01em; white-space: nowrap; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: 11px; white-space: nowrap; }
.main-nav { justify-self: center; display: flex; align-items: center; gap: 4px; }
.main-nav a { padding: 10px 13px; color: #475467; font-size: 14px; font-weight: 650; border-radius: 9px; }
.main-nav a:hover, .main-nav a.active { color: var(--primary); background: var(--primary-soft); }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.icon-button { width: 40px; height: 40px; display: inline-grid; place-items: center; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; cursor: pointer; }
.icon-button:hover { color: var(--primary); background: var(--primary-soft); border-color: color-mix(in srgb, var(--primary) 25%, var(--line)); }
.nav-toggle { display: none; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.popover-wrap { position: relative; }
.popover {
    position: absolute;
    right: 0;
    top: calc(100% + 12px);
    width: 320px;
    max-width: calc(100vw - 28px);
    padding: 8px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: .18s ease;
}
.popover.open { opacity: 1; visibility: visible; transform: translateY(0); }
.user-popover { width: 205px; }
.user-popover a { display: flex; align-items: center; gap: 9px; padding: 10px 11px; border-radius: 9px; color: #344054; font-size: 14px; font-weight: 600; }
.user-popover a:hover { background: var(--surface-soft); color: var(--primary); }
.user-popover .danger-link { color: var(--danger); }
.user-trigger { display: flex; align-items: center; gap: 9px; padding: 4px 7px 4px 4px; border: 1px solid var(--line); background: var(--surface); border-radius: 12px; cursor: pointer; }
.avatar { width: 33px; height: 33px; display: grid; place-items: center; border-radius: 9px; color: #fff; background: var(--primary); font-size: 13px; font-weight: 800; }
.user-trigger-copy { display: grid; min-width: 90px; text-align: left; line-height: 1.15; }
.user-trigger-copy strong { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.user-trigger-copy small { margin-top: 3px; color: var(--muted); font-size: 10px; }
.notification-button { position: relative; }
.notification-dot { position: absolute; top: -5px; right: -5px; min-width: 18px; height: 18px; padding: 0 5px; display: grid; place-items: center; color: #fff; background: var(--danger); border: 2px solid #fff; border-radius: 999px; font-size: 9px; font-weight: 800; }
.popover-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 9px 10px; border-bottom: 1px solid var(--line); }
.popover-head strong { font-size: 14px; }
.popover-head span { color: var(--muted); font-size: 11px; }
.notification-item { display: grid; gap: 2px; padding: 10px 9px; border-radius: 9px; }
.notification-item:hover { background: var(--surface-soft); }
.notification-item strong { font-size: 12px; }
.notification-item span { color: #475467; font-size: 11px; line-height: 1.4; }
.notification-item small { margin-top: 2px; color: var(--muted); font-size: 9px; }
.popover-empty { padding: 24px 12px; color: var(--muted); text-align: center; font-size: 12px; }

.btn { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 16px; border: 1px solid transparent; border-radius: 10px; font-size: 13px; font-weight: 750; line-height: 1; cursor: pointer; transition: .18s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-sm { min-height: 36px; padding: 8px 13px; font-size: 12px; }
.btn-lg { min-height: 50px; padding: 13px 21px; font-size: 14px; }
.btn-primary { color: #fff; background: var(--primary); box-shadow: 0 8px 18px color-mix(in srgb, var(--primary) 20%, transparent); }
.btn-primary:hover { background: var(--primary-strong); }
.btn-secondary { color: var(--primary); background: var(--primary-soft); border-color: color-mix(in srgb, var(--primary) 15%, transparent); }
.btn-ghost { color: #344054; background: var(--surface); border-color: var(--line); }
.btn-ghost:hover { color: var(--primary); border-color: color-mix(in srgb, var(--primary) 30%, var(--line)); }
.btn-danger { color: #fff; background: var(--danger); }
.btn-success { color: #fff; background: var(--success); }
.btn-block { width: 100%; }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--primary-strong), var(--primary) 60%, color-mix(in srgb, var(--primary) 72%, #466f9f)); color: #fff; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .2; background-image: linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(90deg, #000 0, transparent 75%); }
.hero::after { content: ""; position: absolute; width: 420px; height: 420px; right: -80px; top: -160px; border: 80px solid rgba(255,255,255,.07); border-radius: 50%; }
.hero-grid { position: relative; z-index: 1; min-height: 500px; display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; gap: 70px; padding-block: 68px; }
.hero-copy { max-width: 710px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 13px; color: var(--primary); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.hero .eyebrow { color: #ffe3a3; }
.hero h1 { margin: 0; max-width: 750px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(42px, 5.2vw, 70px); line-height: 1.02; letter-spacing: -.035em; font-weight: 650; }
.hero h1 span { color: #f2c96d; }
.hero-copy > p { max-width: 650px; margin: 20px 0 27px; color: rgba(255,255,255,.78); font-size: 17px; }
.hero-search { max-width: 700px; display: flex; align-items: center; gap: 8px; padding: 8px; border-radius: 14px; background: #fff; box-shadow: 0 18px 40px rgba(0,0,0,.18); }
.hero-search .search-icon { margin-left: 7px; color: #667085; }
.hero-search input { min-width: 0; flex: 1; height: 44px; border: 0; outline: none; padding: 0 6px; color: var(--ink); background: transparent; }
.hero-search .btn { min-height: 44px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 18px; color: rgba(255,255,255,.72); font-size: 12px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-panel { position: relative; }
.library-status-card { padding: 24px; color: var(--ink); background: rgba(255,255,255,.96); border: 1px solid rgba(255,255,255,.5); border-radius: 24px; box-shadow: 0 25px 55px rgba(0,0,0,.2); }
.status-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.status-card-head small { display: block; color: var(--muted); font-size: 10px; font-weight: 750; text-transform: uppercase; letter-spacing: .1em; }
.status-card-head strong { display: block; margin-top: 5px; font-size: 18px; }
.open-badge { padding: 6px 9px; color: var(--success); background: var(--success-soft); border-radius: 999px; font-size: 10px; font-weight: 800; }
.status-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 20px; }
.status-metric { padding: 14px; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 12px; }
.status-metric strong { display: block; font-size: 22px; line-height: 1; }
.status-metric span { display: block; margin-top: 7px; color: var(--muted); font-size: 10px; }
.status-divider { height: 1px; margin: 18px 0; background: var(--line); }
.quick-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.quick-links a { display: flex; align-items: center; gap: 8px; padding: 10px; color: #344054; background: #fff; border: 1px solid var(--line); border-radius: 10px; font-size: 11px; font-weight: 700; }
.quick-links a:hover { color: var(--primary); background: var(--primary-soft); }

.stats-strip { position: relative; z-index: 3; margin-top: -1px; background: #fff; border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 28px 25px; display: flex; align-items: center; gap: 14px; border-right: 1px solid var(--line); }
.stat-item:last-child { border-right: 0; }
.stat-icon { width: 44px; height: 44px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 12px; }
.stat-item strong { display: block; font-size: 23px; line-height: 1; }
.stat-item span { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; }

.section { padding-block: 70px; }
.section-soft { background: #eef1f5; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 25px; margin-bottom: 28px; }
.section-head h2, .page-heading h1 { margin: 0; color: var(--ink); font-family: Georgia, "Times New Roman", serif; font-weight: 650; letter-spacing: -.025em; }
.section-head h2 { font-size: clamp(28px, 3vw, 39px); }
.section-head p { margin: 8px 0 0; max-width: 650px; color: var(--muted); font-size: 14px; }
.section-link { display: inline-flex; align-items: center; gap: 7px; color: var(--primary); font-size: 12px; font-weight: 800; white-space: nowrap; }
.section-link:hover { gap: 10px; }

.book-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.book-card { min-width: 0; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-sm); transition: .2s ease; }
.book-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--primary) 20%, var(--line)); }
.book-cover-wrap { position: relative; aspect-ratio: 3 / 4; overflow: hidden; background: #dfe5ec; }
.book-cover { width: 100%; height: 100%; object-fit: cover; }
.book-cover-wrap::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset -12px 0 20px rgba(0,0,0,.08); }
.card-badge { position: absolute; top: 12px; left: 12px; z-index: 1; padding: 6px 9px; color: #fff; background: rgba(13,35,57,.82); backdrop-filter: blur(8px); border-radius: 999px; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.favorite-mini { position: absolute; top: 10px; right: 10px; z-index: 2; width: 34px; height: 34px; display: grid; place-items: center; color: #344054; background: rgba(255,255,255,.92); border: 0; border-radius: 10px; cursor: pointer; }
.favorite-mini.active, .favorite-mini:hover { color: var(--danger); }
.book-card-body { padding: 17px; }
.book-category { display: block; color: var(--primary); font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
.book-card h3 { min-height: 45px; margin: 7px 0 4px; font-size: 15px; line-height: 1.45; letter-spacing: -.01em; }
.book-card h3 a:hover { color: var(--primary); }
.book-author { margin: 0; color: var(--muted); font-size: 11px; }
.book-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 14px; padding-top: 13px; border-top: 1px solid var(--line); }
.availability { display: inline-flex; align-items: center; gap: 6px; color: var(--success); font-size: 10px; font-weight: 750; }
.availability.unavailable { color: var(--danger); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.book-type { color: var(--muted); font-size: 10px; }

.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.category-card { display: flex; align-items: center; gap: 15px; padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; transition: .18s ease; }
.category-card:hover { transform: translateY(-2px); color: var(--primary); box-shadow: var(--shadow-sm); }
.category-mark { width: 45px; height: 45px; display: grid; place-items: center; border-radius: 12px; background: var(--category-color, var(--primary-soft)); color: var(--primary); }
.category-card strong { display: block; font-size: 14px; }
.category-card span { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }
.category-card > .icon { margin-left: auto; color: #98a2b3; }

.announcement-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 25px; }
.announcement-feature { padding: 34px; color: #fff; background: linear-gradient(145deg, var(--primary), var(--primary-strong)); border-radius: 21px; }
.announcement-feature .eyebrow { color: #f2c96d; }
.announcement-feature h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 31px; line-height: 1.2; }
.announcement-feature p { margin: 14px 0 25px; color: rgba(255,255,255,.75); }
.announcement-list { display: grid; gap: 10px; }
.announcement-item { padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 13px; }
.announcement-item small { color: var(--primary); font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.announcement-item h4 { margin: 5px 0 4px; font-size: 14px; }
.announcement-item p { margin: 0; color: var(--muted); font-size: 11px; }

.cta-band { padding-block: 55px; }
.cta-card { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; padding: 38px 42px; color: #fff; background: #182435; border-radius: 22px; overflow: hidden; position: relative; }
.cta-card::after { content: ""; position: absolute; right: 8%; top: -90px; width: 230px; height: 230px; border: 48px solid rgba(255,255,255,.05); border-radius: 50%; }
.cta-card > * { position: relative; z-index: 1; }
.cta-card h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 31px; }
.cta-card p { margin: 9px 0 0; color: rgba(255,255,255,.7); }

.page-hero { color: #fff; background: linear-gradient(135deg, var(--primary-strong), var(--primary)); }
.page-hero-inner { padding-block: 44px; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.page-heading .eyebrow { margin-bottom: 9px; }
.page-hero .eyebrow { color: #f2c96d; }
.page-heading h1 { font-size: clamp(32px, 4vw, 47px); }
.page-hero h1 { color: #fff; }
.page-heading p { max-width: 720px; margin: 10px 0 0; color: var(--muted); }
.page-hero .page-heading p { color: rgba(255,255,255,.72); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; margin-bottom: 12px; color: var(--muted); font-size: 11px; }
.page-hero .breadcrumbs { color: rgba(255,255,255,.65); }
.breadcrumbs a:hover { color: var(--primary); }
.page-hero .breadcrumbs a:hover { color: #fff; }

.catalog-shell { display: grid; grid-template-columns: 250px 1fr; align-items: start; gap: 24px; }
.filter-panel { position: sticky; top: 92px; padding: 21px; background: var(--surface); border: 1px solid var(--line); border-radius: 15px; }
.filter-panel h3 { display: flex; align-items: center; gap: 8px; margin: 0 0 17px; font-size: 14px; }
.filter-group { margin-top: 17px; }
.filter-group label { display: block; margin-bottom: 7px; color: #344054; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.filter-panel .btn { margin-top: 17px; }
.catalog-main { min-width: 0; }
.catalog-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.catalog-count { color: var(--muted); font-size: 12px; }
.catalog-count strong { color: var(--ink); }
.catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 32px; }
.pagination a, .pagination span { min-width: 38px; height: 38px; padding: 0 9px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--surface); border-radius: 9px; font-size: 12px; font-weight: 700; }
.pagination .active { color: #fff; background: var(--primary); border-color: var(--primary); }

.form-control, .form-select, .form-textarea {
    width: 100%;
    min-height: 43px;
    padding: 10px 12px;
    color: var(--ink);
    background: #fff;
    border: 1px solid #d7dde5;
    border-radius: 9px;
    outline: none;
    transition: .15s ease;
}
.form-textarea { min-height: 110px; resize: vertical; }
.form-control:focus, .form-select:focus, .form-textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.form-label { display: block; margin-bottom: 7px; color: #344054; font-size: 11px; font-weight: 750; }
.form-hint { display: block; margin-top: 6px; color: var(--muted); font-size: 9px; }
.form-group { min-width: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
.form-span-2 { grid-column: span 2; }
.inline-field { display: flex; gap: 8px; align-items: center; }
.password-field { position: relative; }
.password-field .form-control { padding-right: 76px; }
.password-field button { position: absolute; right: 7px; top: 50%; transform: translateY(-50%); border: 0; color: var(--primary); background: transparent; font-size: 10px; font-weight: 800; cursor: pointer; }
.checkbox-row { display: flex; align-items: flex-start; gap: 9px; color: #475467; font-size: 11px; }
.checkbox-row input { margin-top: 3px; accent-color: var(--primary); }
.file-picker { position: relative; min-height: 100px; display: grid; place-items: center; padding: 18px; text-align: center; background: var(--surface-soft); border: 1px dashed #b9c2cf; border-radius: 12px; cursor: pointer; }
.file-picker:hover { border-color: var(--primary); background: var(--primary-soft); }
.file-picker input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.file-picker strong { display: block; margin-top: 6px; font-size: 11px; }
.file-picker span { display: block; margin-top: 3px; color: var(--muted); font-size: 9px; }

.auth-page { min-height: calc(100vh - 72px); display: grid; grid-template-columns: 1fr 1fr; }
.auth-visual { position: relative; display: flex; align-items: flex-end; overflow: hidden; padding: 55px; color: #fff; background: linear-gradient(145deg, var(--primary-strong), var(--primary)); }
.auth-visual::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.13), transparent 25%), linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: auto, 38px 38px, 38px 38px; }
.auth-visual-content { position: relative; z-index: 1; max-width: 520px; }
.auth-visual h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 48px; line-height: 1.08; }
.auth-visual p { color: rgba(255,255,255,.72); }
.auth-quote { margin-top: 30px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.8); font-family: Georgia, "Times New Roman", serif; font-size: 19px; font-style: italic; }
.auth-form-shell { display: grid; place-items: center; padding: 48px 30px; background: #fff; }
.auth-card { width: min(100%, 440px); }
.auth-card .eyebrow { margin-bottom: 10px; }
.auth-card h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 34px; }
.auth-card > p { margin: 8px 0 24px; color: var(--muted); font-size: 13px; }
.auth-card form { display: grid; gap: 15px; }
.auth-foot { margin-top: 20px; color: var(--muted); text-align: center; font-size: 11px; }
.auth-foot a { color: var(--primary); font-weight: 800; }
.demo-account { margin-top: 22px; padding: 13px; background: var(--primary-soft); border: 1px solid color-mix(in srgb, var(--primary) 16%, transparent); border-radius: 10px; color: #475467; font-size: 10px; }
.demo-account strong { color: var(--primary); }

.book-detail-grid { display: grid; grid-template-columns: 310px 1fr; align-items: start; gap: 44px; }
.detail-cover-card { position: sticky; top: 94px; }
.detail-cover { overflow: hidden; aspect-ratio: 3 / 4; background: #dfe5ec; border-radius: 18px; box-shadow: var(--shadow-lg); }
.detail-cover img { width: 100%; height: 100%; object-fit: cover; }
.detail-actions { display: grid; gap: 9px; margin-top: 15px; }
.detail-content h1 { margin: 8px 0 5px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(35px, 4vw, 51px); line-height: 1.1; letter-spacing: -.03em; }
.detail-author { color: var(--muted); font-size: 14px; }
.detail-status-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 18px 0 24px; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; font-size: 10px; font-weight: 750; }
.pill-success { color: var(--success); background: var(--success-soft); }
.pill-danger { color: var(--danger); background: var(--danger-soft); }
.pill-info { color: var(--info); background: var(--info-soft); }
.pill-neutral { color: #475467; background: #f2f4f7; }
.detail-description { color: #475467; font-size: 14px; line-height: 1.75; }
.metadata-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 27px; overflow: hidden; background: var(--line); border: 1px solid var(--line); border-radius: 13px; }
.metadata-item { padding: 15px; background: #fff; }
.metadata-item span { display: block; color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .07em; }
.metadata-item strong { display: block; margin-top: 5px; font-size: 12px; }
.inventory-table { margin-top: 29px; }
.inventory-table h3 { margin: 0 0 12px; font-size: 15px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.card-pad { padding: 22px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.card-head h2, .card-head h3 { margin: 0; font-size: 15px; }
.card-head p { margin: 4px 0 0; color: var(--muted); font-size: 10px; }
.empty-state { min-height: 380px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 55px 24px; text-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.empty-state > .icon { margin-bottom: 17px; color: var(--primary); }
.empty-state h1, .empty-state h2, .empty-state h3 { max-width: 650px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 32px; }
.empty-state p { max-width: 620px; margin: 10px auto 22px; color: var(--muted); }
.error-state .icon { color: var(--danger); }
.install-help { max-width: 650px; margin: 0 auto 22px; padding: 12px 14px; color: #475467; background: var(--warning-soft); border-radius: 10px; font-size: 11px; }

.dashboard-layout { display: grid; grid-template-columns: 230px 1fr; align-items: start; gap: 24px; padding-block: 28px 65px; }
.admin-sidebar { position: sticky; top: 92px; padding: 14px; background: #172436; border-radius: 16px; box-shadow: var(--shadow); }
.sidebar-label { padding: 9px 10px 12px; color: rgba(255,255,255,.42); font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.admin-sidebar > a { display: flex; align-items: center; gap: 10px; margin-bottom: 3px; padding: 10px 11px; color: rgba(255,255,255,.67); border-radius: 9px; font-size: 12px; font-weight: 650; }
.admin-sidebar > a:hover, .admin-sidebar > a.active { color: #fff; background: rgba(255,255,255,.1); }
.admin-sidebar > a.active { box-shadow: inset 3px 0 0 #f0c45d; }
.sidebar-foot { display: flex; align-items: center; gap: 9px; margin-top: 16px; padding: 12px 10px 4px; border-top: 1px solid rgba(255,255,255,.1); }
.status-pulse { width: 8px; height: 8px; border-radius: 50%; background: #42d392; box-shadow: 0 0 0 4px rgba(66,211,146,.1); }
.sidebar-foot div { display: grid; }
.sidebar-foot strong { color: rgba(255,255,255,.82); font-size: 9px; }
.sidebar-foot small { color: rgba(255,255,255,.4); font-size: 8px; }
.dashboard-main { min-width: 0; }
.dashboard-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 20px; }
.dashboard-heading h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 33px; }
.dashboard-heading p { margin: 6px 0 0; color: var(--muted); font-size: 12px; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card { padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.metric-card-head { display: flex; align-items: center; justify-content: space-between; }
.metric-card-head span { color: var(--muted); font-size: 10px; font-weight: 700; }
.metric-card-head .metric-icon { width: 35px; height: 35px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 10px; }
.metric-card strong { display: block; margin-top: 14px; font-size: 28px; line-height: 1; }
.metric-card small { display: block; margin-top: 8px; color: var(--muted); font-size: 9px; }
.dashboard-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 16px; margin-top: 16px; }
.dashboard-grid.equal { grid-template-columns: 1fr 1fr; }
.activity-list { display: grid; }
.activity-item { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 11px; padding: 12px 0; border-top: 1px solid var(--line); }
.activity-item:first-child { border-top: 0; }
.activity-icon { width: 34px; height: 34px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 9px; }
.activity-copy strong { display: block; font-size: 11px; }
.activity-copy span { display: block; margin-top: 2px; color: var(--muted); font-size: 9px; }
.activity-item time { color: var(--muted); font-size: 9px; white-space: nowrap; }
.progress-list { display: grid; gap: 16px; }
.progress-row-head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 6px; font-size: 10px; }
.progress-row-head span:last-child { color: var(--muted); }
.progress-track { height: 7px; overflow: hidden; background: #edf0f3; border-radius: 999px; }
.progress-fill { height: 100%; width: var(--progress, 0%); background: var(--primary); border-radius: inherit; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 15px; }
.toolbar-search { min-width: 260px; flex: 1; max-width: 480px; position: relative; }
.toolbar-search .form-control { padding-left: 38px; }
.toolbar-search .icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: #98a2b3; }
.table-wrap { width: 100%; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.data-table th { padding: 11px 13px; color: var(--muted); background: #f8fafc; border-bottom: 1px solid var(--line); font-size: 9px; text-align: left; text-transform: uppercase; letter-spacing: .06em; white-space: nowrap; }
.data-table td { padding: 12px 13px; border-bottom: 1px solid var(--line); color: #344054; font-size: 11px; vertical-align: middle; }
.data-table tbody tr:hover { background: #fbfcfd; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.table-title { display: flex; align-items: center; gap: 10px; min-width: 220px; }
.table-cover { width: 38px; height: 51px; object-fit: cover; border-radius: 5px; background: #e6ebf0; }
.table-title strong { display: block; max-width: 260px; color: var(--ink); font-size: 11px; }
.table-title span { display: block; margin-top: 3px; color: var(--muted); font-size: 9px; }
.status-badge { display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border-radius: 999px; font-size: 9px; font-weight: 800; white-space: nowrap; }
.status-badge::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.status-success { color: var(--success); background: var(--success-soft); }
.status-warning { color: var(--warning); background: var(--warning-soft); }
.status-danger { color: var(--danger); background: var(--danger-soft); }
.status-info { color: var(--info); background: var(--info-soft); }
.status-neutral { color: #475467; background: #f2f4f7; }
.action-group { display: flex; align-items: center; gap: 5px; }
.action-btn { width: 31px; height: 31px; display: inline-grid; place-items: center; border: 1px solid var(--line); background: #fff; border-radius: 8px; cursor: pointer; }
.action-btn:hover { color: var(--primary); background: var(--primary-soft); }
.action-btn.danger:hover { color: var(--danger); background: var(--danger-soft); border-color: #ffd4cf; }
.table-empty { padding: 40px !important; color: var(--muted) !important; text-align: center; }

.tabs { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 15px; padding: 5px; background: #e9edf2; border-radius: 11px; }
.tabs a { padding: 8px 12px; color: #667085; border-radius: 8px; font-size: 10px; font-weight: 750; }
.tabs a.active { color: var(--primary); background: #fff; box-shadow: var(--shadow-sm); }

.member-hero { margin-bottom: 18px; padding: 27px; color: #fff; background: linear-gradient(130deg, var(--primary-strong), var(--primary)); border-radius: 18px; }
.member-hero-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 25px; }
.member-hero h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 32px; }
.member-hero p { margin: 7px 0 0; color: rgba(255,255,255,.7); font-size: 12px; }
.member-card-id { min-width: 245px; padding: 15px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); border-radius: 12px; }
.member-card-id small { display: block; color: rgba(255,255,255,.55); font-size: 9px; text-transform: uppercase; letter-spacing: .08em; }
.member-card-id strong { display: block; margin-top: 5px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 16px; letter-spacing: .08em; }
.member-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.member-nav a { display: inline-flex; align-items: center; gap: 7px; padding: 9px 12px; color: #475467; background: #fff; border: 1px solid var(--line); border-radius: 9px; font-size: 10px; font-weight: 750; }
.member-nav a.active { color: #fff; background: var(--primary); border-color: var(--primary); }
.loan-card-list { display: grid; gap: 11px; }
.loan-card { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 14px; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.loan-card img { width: 56px; height: 75px; object-fit: cover; border-radius: 6px; }
.loan-card h3 { margin: 0; font-size: 12px; }
.loan-card p { margin: 4px 0 0; color: var(--muted); font-size: 9px; }
.loan-card-side { text-align: right; }
.loan-card-side strong { display: block; font-size: 10px; }
.loan-card-side span { display: block; margin-top: 5px; }

.profile-grid { display: grid; grid-template-columns: 280px 1fr; align-items: start; gap: 20px; }
.profile-summary { padding: 25px; text-align: center; }
.profile-avatar { width: 82px; height: 82px; margin: 0 auto 14px; display: grid; place-items: center; color: #fff; background: var(--primary); border-radius: 23px; font-size: 30px; font-weight: 800; }
.profile-summary h2 { margin: 0; font-size: 18px; }
.profile-summary p { margin: 4px 0 15px; color: var(--muted); font-size: 10px; }
.profile-meta { display: grid; gap: 10px; padding-top: 15px; border-top: 1px solid var(--line); text-align: left; }
.profile-meta span { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 9px; }
.profile-meta strong { color: var(--ink); }

.settings-sections { display: grid; gap: 16px; }
.theme-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.theme-option { position: relative; }
.theme-option input { position: absolute; opacity: 0; }
.theme-swatch { display: block; padding: 9px; border: 2px solid transparent; background: #fff; border-radius: 12px; cursor: pointer; }
.theme-option input:checked + .theme-swatch { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.theme-preview { height: 68px; overflow: hidden; border-radius: 8px; background: var(--preview, #123a66); }
.theme-preview::before { content: ""; display: block; width: 72%; height: 7px; margin: 13px 10px 7px; background: rgba(255,255,255,.85); border-radius: 3px; box-shadow: 0 13px 0 rgba(255,255,255,.35), 0 26px 0 rgba(255,255,255,.18); }
.theme-swatch strong { display: block; margin-top: 8px; font-size: 10px; }
.theme-swatch span { display: block; margin-top: 2px; color: var(--muted); font-size: 8px; }

.report-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.report-card { padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.report-card .metric-icon { width: 40px; height: 40px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 11px; }
.report-card h3 { margin: 16px 0 5px; font-size: 14px; }
.report-card p { min-height: 38px; margin: 0 0 14px; color: var(--muted); font-size: 10px; }

.flash-stack { position: fixed; top: 87px; right: 20px; z-index: 1000; width: min(390px, calc(100vw - 40px)); display: grid; gap: 8px; }
.flash { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 13px 14px; color: #344054; background: #fff; border: 1px solid var(--line); border-left-width: 4px; border-radius: 10px; box-shadow: var(--shadow-lg); font-size: 11px; transition: .3s ease; }
.flash button { border: 0; background: transparent; color: #98a2b3; cursor: pointer; }
.flash-success { border-left-color: var(--success); }
.flash-warning { border-left-color: var(--warning); }
.flash-danger, .flash-error { border-left-color: var(--danger); }
.flash-info { border-left-color: var(--info); }
.flash-hide { opacity: 0; transform: translateX(20px); pointer-events: none; }

.site-footer { padding-top: 46px; color: rgba(255,255,255,.66); background: #142132; }
.footer-grid { display: grid; grid-template-columns: 1.45fr .75fr .9fr; gap: 55px; padding-bottom: 40px; }
.footer-brand { color: #fff; }
.footer-brand .brand-logo { box-shadow: none; background: rgba(255,255,255,.1); }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-grid > div > strong { margin-bottom: 8px; color: #fff; font-size: 12px; }
.footer-grid p { max-width: 430px; margin: 9px 0 0; font-size: 11px; line-height: 1.7; }
.footer-grid a, .footer-grid span { font-size: 10px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 17px; border-top: 1px solid rgba(255,255,255,.09); font-size: 9px; }

@media (max-width: 1050px) {
    .main-nav { justify-self: start; }
    .user-trigger-copy { display: none; }
    .book-grid { grid-template-columns: repeat(3, 1fr); }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .catalog-grid { grid-template-columns: repeat(2, 1fr); }
    .theme-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
    .container, .container-wide { width: min(calc(100% - 28px), var(--container)); }
    .header-shell { grid-template-columns: 1fr auto auto; gap: 8px; }
    .nav-toggle { display: inline-grid; place-items: center; order: 2; }
    .header-actions { order: 3; }
    .main-nav { position: absolute; left: 14px; right: 14px; top: calc(100% + 8px); display: none; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 13px; box-shadow: var(--shadow-lg); }
    .main-nav.open { display: grid; }
    .main-nav a { padding: 11px; }
    .hero-grid { min-height: auto; grid-template-columns: 1fr; gap: 35px; padding-block: 55px; }
    .hero-panel { max-width: 520px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: 0; }
    .stat-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .book-grid { grid-template-columns: repeat(2, 1fr); }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .announcement-layout, .dashboard-grid, .dashboard-grid.equal { grid-template-columns: 1fr; }
    .catalog-shell { grid-template-columns: 1fr; }
    .filter-panel { position: static; }
    .book-detail-grid { grid-template-columns: 240px 1fr; gap: 28px; }
    .metadata-grid { grid-template-columns: repeat(2, 1fr); }
    .auth-page { grid-template-columns: 1fr; }
    .auth-visual { min-height: 380px; }
    .dashboard-layout { grid-template-columns: 1fr; }
    .admin-sidebar { position: static; display: flex; overflow-x: auto; gap: 3px; padding: 8px; }
    .admin-sidebar > a { flex: 0 0 auto; margin: 0; }
    .sidebar-label, .sidebar-foot { display: none; }
    .profile-grid { grid-template-columns: 1fr; }
    .report-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
    .hide-mobile, .search-shortcut, .brand-copy small { display: none !important; }
    .brand-logo { width: 38px; height: 38px; }
    .brand-copy strong { font-size: 13px; }
    .header-shell { min-height: 64px; }
    .page-space { padding-block: 28px 52px; }
    .hero h1 { font-size: 42px; }
    .hero-copy > p { font-size: 14px; }
    .hero-search { align-items: stretch; flex-wrap: wrap; }
    .hero-search .search-icon { align-self: center; }
    .hero-search .btn { width: 100%; }
    .status-metrics, .quick-links { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item { padding: 20px 12px; flex-direction: column; align-items: flex-start; }
    .book-grid, .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .book-card-body { padding: 12px; }
    .book-card h3 { min-height: 40px; font-size: 12px; }
    .book-card-meta { align-items: flex-start; flex-direction: column; }
    .category-grid { grid-template-columns: 1fr; }
    .section { padding-block: 48px; }
    .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 21px; }
    .announcement-layout { gap: 12px; }
    .announcement-feature { padding: 26px; }
    .cta-card { grid-template-columns: 1fr; padding: 29px 25px; }
    .page-hero-inner { align-items: flex-start; flex-direction: column; padding-block: 34px; }
    .book-detail-grid { grid-template-columns: 1fr; }
    .detail-cover-card { position: static; max-width: 260px; margin-inline: auto; }
    .metadata-grid { grid-template-columns: 1fr 1fr; }
    .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
    .form-span-2 { grid-column: auto; }
    .auth-visual { display: none; }
    .auth-form-shell { min-height: calc(100vh - 64px); padding: 32px 18px; }
    .metric-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
    .metric-card { padding: 14px; }
    .metric-card strong { font-size: 23px; }
    .dashboard-heading { align-items: flex-start; flex-direction: column; }
    .member-hero-grid { grid-template-columns: 1fr; }
    .member-card-id { min-width: 0; }
    .loan-card { grid-template-columns: 48px 1fr; }
    .loan-card img { width: 48px; height: 64px; }
    .loan-card-side { grid-column: 2; text-align: left; }
    .theme-grid, .report-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 27px; }
    .footer-bottom { flex-direction: column; }
    .flash-stack { top: 76px; right: 12px; width: calc(100vw - 24px); }
}