/* =========================================================
   صراط لائبریری — Public Site Styles
   Theme: Dark bottle-green + gold, RTL, Mehr Nastaliq Web
   ========================================================= */

:root {
    --green-950: #05130f;
    --green-900: #0a2e22;
    --green-800: #0f3d2c;
    --green-700: #164a37;
    --gold-500: #d4af37;
    --gold-400: #e5c65e;
    --gold-100: #f7ecc8;
    --cream: #f7f4ea;
    --text-light: #ede6d3;
    --text-muted: #b9ad8f;
    --radius: 10px;
    --shadow: 0 8px 24px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--green-950);
    color: var(--text-light);
    font-family: 'Mehr Nastaliq Web', 'Jameel Noori Nastaleeq', 'Noto Nastaliq Urdu', serif;
    font-size: 19px;
    line-height: 2.1;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- Header ---------- */
.site-header {
    background: linear-gradient(180deg, var(--green-900), var(--green-950));
    border-bottom: 1px solid rgba(212,175,55,0.25);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 14px 20px;
    flex-wrap: wrap;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    color: var(--gold-400);
    font-weight: bold;
}
.brand-mark {
    width: 40px; height: 40px;
    border: 2px solid var(--gold-500);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--gold-400);
    font-size: 20px;
    background: radial-gradient(circle, var(--green-800), var(--green-900));
}
.header-search {
    display: flex;
    flex: 1;
    max-width: 420px;
    background: var(--green-800);
    border: 1px solid rgba(212,175,55,0.35);
    border-radius: 30px;
    overflow: hidden;
}
.header-search input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-light);
    padding: 10px 16px;
    font-family: inherit;
    font-size: 16px;
    outline: none;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button {
    background: var(--gold-500);
    border: none;
    padding: 0 16px;
    color: var(--green-950);
    cursor: pointer;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    margin-inline-start: auto;
    font-size: 17px;
}
.main-nav > a:hover, .dropdown > span:hover { color: var(--gold-400); }
.dropdown { position: relative; cursor: pointer; }
.dropdown-menu {
    display: none;
    position: absolute;
    top: 130%;
    inset-inline-start: 0;
    background: var(--green-800);
    border: 1px solid rgba(212,175,55,0.3);
    border-radius: var(--radius);
    min-width: 200px;
    padding: 8px;
    box-shadow: var(--shadow);
    z-index: 50;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
    display: block;
    padding: 8px 12px;
    border-radius: 6px;
}
.dropdown-menu a:hover { background: var(--green-700); color: var(--gold-400); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.nav-toggle span {
    width: 26px; height: 2px;
    background: var(--gold-400);
    display: block;
}

/* ---------- Hero ---------- */
.hero {
    background: radial-gradient(ellipse at top, var(--green-800), var(--green-950) 70%);
    padding: 60px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(212,175,55,0.2);
}
.hero h1 {
    font-size: 40px;
    color: var(--gold-400);
    margin: 0 0 12px;
}
.hero p {
    color: var(--text-muted);
    font-size: 19px;
    max-width: 620px;
    margin: 0 auto;
}

/* ---------- Section headings ---------- */
.section {
    padding: 40px 0;
}
.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
    border-bottom: 1px solid rgba(212,175,55,0.25);
    padding-bottom: 10px;
}
.section-title h2 {
    color: var(--gold-400);
    font-size: 26px;
    margin: 0;
}
.section-title a { color: var(--text-muted); font-size: 15px; }

/* ---------- Category pills ---------- */
.category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}
.category-pills a {
    background: var(--green-800);
    border: 1px solid rgba(212,175,55,0.3);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 15px;
}
.category-pills a:hover, .category-pills a.active {
    background: var(--gold-500);
    color: var(--green-950);
    font-weight: bold;
}

/* ---------- Book grid ---------- */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 24px;
}
.book-card {
    background: var(--green-900);
    border: 1px solid rgba(212,175,55,0.18);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.15s, box-shadow 0.15s;
}
.book-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(212,175,55,0.5);
}
.book-cover {
    aspect-ratio: 3/4;
    background: linear-gradient(160deg, var(--green-700), var(--green-950));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-500);
    font-size: 14px;
    overflow: hidden;
}
.book-cover img { width: 100%; height: 100%; object-fit: cover; }
.book-info { padding: 12px 14px 16px; }
.book-title {
    font-size: 17px;
    color: var(--gold-100);
    margin: 0 0 4px;
    line-height: 1.6;
}
.book-author { color: var(--text-muted); font-size: 14px; margin: 0 0 8px; }
.book-meta { display: flex; gap: 12px; font-size: 12px; color: var(--text-muted); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 9px 20px;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    border: 1px solid transparent;
}
.btn-gold {
    background: var(--gold-500);
    color: var(--green-950);
    font-weight: bold;
}
.btn-gold:hover { background: var(--gold-400); }
.btn-outline {
    background: transparent;
    color: var(--gold-400);
    border-color: var(--gold-500);
}
.btn-outline:hover { background: rgba(212,175,55,0.1); }
.btn-block { display: block; width: 100%; text-align: center; }

/* ---------- Book detail page ---------- */
.book-detail {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 36px;
    padding: 40px 0;
}
.book-detail .cover-wrap {
    background: var(--green-900);
    border: 1px solid rgba(212,175,55,0.25);
    border-radius: var(--radius);
    overflow: hidden;
}
.book-detail h1 { color: var(--gold-400); font-size: 30px; margin: 0 0 6px; }
.book-detail .author { color: var(--text-muted); font-size: 17px; margin-bottom: 18px; }
.book-detail .desc { margin-bottom: 24px; }
.book-detail .actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.detail-meta {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--text-muted);
    border-top: 1px solid rgba(212,175,55,0.2);
    padding-top: 16px;
}

/* ---------- Reader page ---------- */
.reader-wrap {
    background: var(--green-900);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(212,175,55,0.25);
    height: 82vh;
}
.reader-wrap iframe { width: 100%; height: 100%; border: none; }

/* ---------- Forms / search / empty states ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
    flex-wrap: wrap;
}
.page-link {
    padding: 8px 14px;
    border: 1px solid rgba(212,175,55,0.3);
    border-radius: 6px;
    color: var(--text-light);
}
.page-link.active {
    background: var(--gold-500);
    color: var(--green-950);
    font-weight: bold;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--green-950);
    border-top: 1px solid rgba(212,175,55,0.2);
    padding: 36px 20px;
    text-align: center;
    color: var(--text-muted);
    margin-top: 40px;
}
.footer-brand {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    color: var(--gold-400);
    font-size: 20px;
    margin-bottom: 8px;
}
.footer-copy { font-size: 13px; margin-top: 10px; }

/* ---------- Mobile ---------- */
@media (max-width: 840px) {
    .book-detail { grid-template-columns: 1fr; }
    .book-detail .cover-wrap { max-width: 220px; }
}

@media (max-width: 680px) {
    .nav-toggle { display: flex; }
    .header-search { order: 3; max-width: 100%; flex-basis: 100%; }
    .main-nav {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 14px;
        background: var(--green-900);
        padding: 16px;
        border-radius: var(--radius);
        margin-top: 10px;
    }
    .main-nav.open { display: flex; }
    .dropdown-menu { position: static; display: none; box-shadow: none; }
    .dropdown.open .dropdown-menu { display: block; }
    .hero h1 { font-size: 28px; }
    body { font-size: 17px; }
}