/* Autor: DiagonalHosting.com */
* { box-sizing: border-box; }

:root {
    color-scheme: dark;
    --bg: #050507;
    --panel: rgba(22, 20, 27, 0.88);
    --panel-strong: #111016;
    --text: #f7f3f7;
    --muted: #b9aeba;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #ff2a7f;
    --accent-2: #b96cff;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
    --radius: 22px;
}

html { min-height: 100%; background: var(--bg); }

body {
    min-height: 100%;
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 12% -8%, rgba(255, 42, 127, 0.24), transparent 34rem),
        radial-gradient(circle at 88% 8%, rgba(185, 108, 255, 0.17), transparent 32rem),
        linear-gradient(135deg, #050507 0%, #0d0a10 46%, #151019 100%);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

img { max-width: 100%; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 0 clamp(14px, 4vw, 34px);
    border-bottom: 1px solid var(--line);
    background: rgba(5, 5, 7, 0.86);
    backdrop-filter: blur(16px);
}

.site-brand { display: inline-flex; align-items: center; min-width: 0; text-decoration: none; }
.site-brand img { width: auto; max-width: min(178px, 45vw); height: 42px; display: block; }

.site-menu { display: flex; align-items: center; gap: 10px; }
.site-menu a {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
}
.site-menu a:first-child { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; color: #fff; }
.site-menu a:hover { transform: translateY(-1px); }

.library-hero { padding: clamp(34px, 6vw, 76px) 20px clamp(24px, 4vw, 52px); }
.library-hero__inner, .library-main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.library-kicker {
    margin: 0 0 12px;
    color: var(--accent);
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: 13px;
}

.library-hero h1 {
    margin: 0;
    font-size: clamp(34px, 6vw, 68px);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.library-hero p:not(.library-kicker) {
    max-width: 720px;
    margin: 18px 0 0;
    color: var(--muted);
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.55;
}

.library-main { padding-bottom: 64px; }

.genre-filter {
    position: sticky;
    top: 60px;
    z-index: 15;
    display: flex;
    gap: 10px;
    padding: 14px 0 18px;
    overflow-x: auto;
    scrollbar-width: thin;
    backdrop-filter: blur(12px);
}

.genre-filter__item {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 15px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 800;
    box-shadow: 0 10px 28px rgba(0,0,0,0.18);
    white-space: nowrap;
}
.genre-filter__item:hover, .genre-filter__item.is-active {
    border-color: transparent;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
}

.library-summary { color: var(--muted); font-size: 15px; }
.library-summary p { margin: 0 0 20px; }

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: clamp(18px, 2.4vw, 30px);
}

.book-card {
    position: relative;
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.035));
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 170ms ease, box-shadow 170ms ease, border-color 170ms ease;
}
.book-card:hover { transform: translateY(-4px); box-shadow: 0 30px 80px rgba(0,0,0,0.52); border-color: rgba(255,42,127,0.42); }

.book-card__cover-link { position: relative; display: block; aspect-ratio: 0.7; background: #17131b; overflow: hidden; text-decoration: none; }
.book-card__cover { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 220ms ease, filter 220ms ease; user-select: none; -webkit-user-drag: none; }
.book-card:hover .book-card__cover { transform: scale(1.035); filter: saturate(1.06); }
.book-card__open {
    position: absolute; left: 12px; right: 12px; bottom: 12px;
    display: flex; justify-content: center; min-height: 40px; align-items: center;
    border-radius: 999px; background: rgba(5,5,7,0.88); color: #fff;
    font-size: 14px; font-weight: 900; opacity: 0; transform: translateY(8px);
    transition: opacity 160ms ease, transform 160ms ease;
}
.book-card:hover .book-card__open, .book-card:focus-within .book-card__open { opacity: 1; transform: translateY(0); }

.book-card__body { padding: 16px 16px 18px; }
.book-card__body h2 { margin: 0 0 12px; font-size: 18px; line-height: 1.15; letter-spacing: -0.02em; }
.book-card__body h2 a { color: inherit; text-decoration: none; }
.book-card__body h2 a:hover { color: var(--accent); }
.book-card__meta { margin: 6px 0; color: var(--muted); font-size: 14px; line-height: 1.35; }
.book-card__meta strong { color: #fff; }

.empty-state {
    border: 1px dashed rgba(255,255,255,0.22);
    border-radius: 24px;
    background: rgba(255,255,255,0.05);
    padding: clamp(26px, 5vw, 46px);
    text-align: center;
    color: var(--muted);
}
.empty-state h2 { margin: 0 0 10px; color: var(--text); }
.empty-state code { padding: 2px 6px; border-radius: 6px; background: rgba(255,255,255,0.08); color: var(--text); }

@media (max-width: 640px) {
    .library-hero__inner, .library-main { width: min(100% - 22px, 1180px); }
    .library-hero { padding-top: 30px; }
    .site-header { padding: 0 11px; gap: 10px; }
    .site-menu { gap: 7px; }
    .site-menu a { min-height: 32px; padding: 0 10px; font-size: 12px; }
    .site-menu a:nth-child(2) { display: none; }
    .book-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .book-card { border-radius: 17px; }
    .book-card__body { padding: 12px; }
    .book-card__body h2 { font-size: 15px; }
    .book-card__meta { font-size: 12px; }
    .book-card__open { opacity: 1; transform: none; min-height: 34px; font-size: 12px; }
}