/* Modern theme: overrides the base styles in index.html */
:root {
    --bg: #f6f4ef;
    --surface: #ffffff;
    --ink: #1f2933;
    --muted: #6b7280;
    --brand: #2f4858;
    --accent: #c8553d;
    --radius: 14px;
    --shadow: 0 1px 3px rgba(31, 41, 51, .08), 0 8px 24px rgba(31, 41, 51, .06);
}

body {
    background: var(--bg);
    color: var(--ink);
    padding-bottom: 0;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, .85);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: 0 1px 0 rgba(31, 41, 51, .08);
    padding: 10px 20px;
}

.navbar-brand {
    color: var(--brand) !important;
    font-size: 1.5rem;
    text-shadow: none;
}

.navbar-brand i { color: var(--accent); }

.btn-primary {
    background: var(--brand);
    box-shadow: none;
    border-radius: 999px;
    padding: 8px 20px;
    font-size: .9rem;
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--accent);
    box-shadow: none;
    transform: none;
}

.search-bar { margin: 28px 0 16px; }

.search-bar input {
    background: var(--surface);
    box-shadow: var(--shadow);
    border: 1px solid transparent;
}

.search-bar input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(200, 85, 61, .18);
}

.filter-section {
    background: var(--surface);
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.btn-reset-filters { background: var(--muted); border-radius: 999px; }

/* Book grid */
#book-list {
    margin: 12px -10px 0;
}

#book-list > [class*="col-"] { padding: 0 10px; }

.car-container {
    margin: 0 0 20px;
    padding: 0 0 14px;
    min-height: 0;
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    overflow: hidden;
    text-align: left;
}

.car-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 2px 6px rgba(31, 41, 51, .1), 0 16px 32px rgba(31, 41, 51, .12);
}

.car-container img {
    height: auto;
    aspect-ratio: 2 / 3;
    border-radius: 0;
    box-shadow: none;
    margin-bottom: 12px;
    cursor: pointer;
    background: #e5e7eb;
}

.car-container > h5,
.car-container > b,
.car-container > p,
.car-container > div {
    padding-left: 14px;
    padding-right: 14px;
}

.car-container h5 {
    font-size: 1rem;
    margin-bottom: 2px;
    line-height: 1.3;
}

.car-container > b { color: var(--muted); font-weight: 500; font-size: .9rem; }

.car-container p { font-size: 13px; }

/* Pagination */
.pagination .page-link {
    color: var(--brand);
    border: none;
    border-radius: 999px;
    margin: 2px;
    min-width: 40px;
    text-align: center;
    background: transparent;
}

.pagination .page-item.active .page-link {
    background: var(--brand);
    color: #fff;
}

.pagination .page-link:hover { background: rgba(47, 72, 88, .1); }

/* Modals */
.modal-header {
    background: var(--brand);
    border-radius: var(--radius) var(--radius) 0 0;
}

.modal-content { border-radius: var(--radius); }

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(200, 85, 61, .18);
}

/* Footer: normal flow instead of a fixed bar covering content */
.footer {
    position: static;
    background: transparent;
    color: var(--muted);
    box-shadow: none;
    padding: 24px 0;
    font-size: .85rem;
}

/* Cover + zoom button */
.car-container > .cover { position: relative; padding: 0; overflow: hidden; }
.car-container > .cover img { display: block; width: 100%; }

.zoom-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 50%;
    background: rgba(27, 31, 42, .65);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-in;
    opacity: 0;
    transform: scale(.85);
    transition: opacity .2s ease, transform .2s ease, background .2s ease;
}

.cover:hover .zoom-btn,
.zoom-btn:focus { opacity: 1; transform: scale(1); }
.zoom-btn:hover { background: var(--accent); }

@media (hover: none) {
    .zoom-btn { opacity: 1; transform: none; width: 34px; height: 34px; top: 6px; right: 6px; }
}

.image-zoom-content {
    background: transparent;
    border: none;
    box-shadow: none;
    align-items: center;
    cursor: zoom-out;
}

.image-zoom-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.image-zoom-close {
    position: absolute;
    top: -6px;
    right: 6px;
    z-index: 2;
    color: #fff;
    text-shadow: none;
    opacity: .9;
    font-size: 2rem;
}

@media (max-width: 575px) {
    .car-container > .cover { grid-column: 1; grid-row: 1 / span 3; }
    .car-container > .cover img { height: 100%; }
    .zoom-btn i { font-size: 13px; }
}

/* ===== Redesign v3 ===== */
:root {
    --bg: #faf7f2;
    --ink: #1b1f2a;
    --muted: #7a7f8c;
    --brand: #1f2a44;
    --accent: #e08a3c;
    --accent-soft: #fdf0e1;
    --radius: 18px;
    --shadow: 0 2px 4px rgba(27, 31, 42, .04), 0 12px 32px rgba(27, 31, 42, .08);
}

body {
    background:
        radial-gradient(900px 400px at 85% -100px, rgba(224, 138, 60, .14), transparent 70%),
        radial-gradient(700px 400px at -10% 0, rgba(31, 42, 68, .08), transparent 70%),
        var(--bg);
    background-attachment: scroll;
}

h5, .hero h1 { font-family: 'Playfair Display', serif; }

.navbar {
    background: rgba(250, 247, 242, .96);
    box-shadow: 0 1px 0 rgba(27, 31, 42, .06);
}

.car-container { contain: layout paint; }
.car-container:hover img { transform: none; }

.navbar-brand { font-size: 1.35rem; letter-spacing: .2px; }
.navbar-brand i {
    color: #fff;
    background: linear-gradient(135deg, var(--accent), #c8553d);
    width: 36px; height: 36px;
    line-height: 36px;
    text-align: center;
    border-radius: 10px;
    font-size: .95rem;
    margin-right: 10px !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #c8553d);
    box-shadow: 0 6px 16px rgba(200, 85, 61, .28);
    font-weight: 600;
}
.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(135deg, #e99a52, #d0603f);
    box-shadow: 0 8px 20px rgba(200, 85, 61, .36);
    transform: translateY(-1px);
}
#toggle-filters {
    background: #fff;
    color: var(--brand);
    box-shadow: inset 0 0 0 1px rgba(27, 31, 42, .12);
}
#toggle-filters:hover { background: var(--accent-soft); color: var(--brand); box-shadow: inset 0 0 0 1px var(--accent); transform: none; }

/* Hero */
.hero { text-align: center; padding: 48px 0 8px; }
.hero .eyebrow {
    display: inline-block;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 6px 14px;
    border-radius: 999px;
}
.hero h1 {
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 700;
    color: var(--brand);
    margin: 16px 0 8px;
    line-height: 1.1;
}
.hero p { text-align: center; color: var(--muted); font-size: 1rem; margin: 0 auto; max-width: 520px; }

.search-bar { max-width: 640px; margin: 24px auto 16px; }
.search-bar input { height: 56px; font-size: 1rem; }

.result-count { text-align: center; color: var(--muted); font-size: .85rem; margin-bottom: 8px; }

/* Cards */
.car-container {
    border: 1px solid rgba(27, 31, 42, .05);
    transition: transform .25s ease, box-shadow .25s ease;
}
.car-container:hover { transform: translateY(-6px); box-shadow: 0 4px 8px rgba(27, 31, 42, .06), 0 24px 48px rgba(27, 31, 42, .14); }
.car-container img { transition: transform .4s ease; }
.car-container:hover img { transform: scale(1.03); }
.car-container h5 { color: var(--brand); font-weight: 700; }
.car-container > b { color: var(--muted); }

.car-container .book-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 6px 0 0; }
.chip {
    font-size: 11px;
    font-weight: 600;
    color: #a65a14;
    background: var(--accent-soft);
    padding: 3px 10px;
    border-radius: 999px;
}
.stars { font-size: 12px; font-weight: 600; color: var(--accent); }
.car-container .book-date { font-size: 11px; color: var(--muted); margin: 4px 0 0; }

.btn-secondary { background: var(--brand); border: none; border-radius: 10px; }
.btn-danger { border-radius: 10px; }

.filter-section { border: 1px solid rgba(27, 31, 42, .05); }
.filter-group input, .filter-group select { border-radius: 10px; border-color: rgba(27, 31, 42, .12); }

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--accent), #c8553d);
    box-shadow: 0 4px 12px rgba(200, 85, 61, .3);
}
.pagination .page-link { color: var(--brand); font-weight: 600; }

.modal-header { background: linear-gradient(135deg, var(--brand), #34456e); }
.modal-backdrop.show { opacity: .55; }

.footer { border-top: 1px solid rgba(27, 31, 42, .06); margin-top: 24px; }
.footer p { text-align: center; margin: 0; }

@media (max-width: 575px) {
    .hero { padding: 24px 0 0; }
    .hero p { font-size: .9rem; }
    .search-bar { margin-top: 16px; }
    .search-bar input { height: 50px; }
}

@media (max-width: 575px) {
    body { font-size: 15px; }

    .container { padding-left: 12px; padding-right: 12px; }

    .navbar { padding: 8px 12px; }
    .navbar > .container { flex-direction: column; align-items: stretch; gap: 8px; padding: 0; }
    .navbar-brand { font-size: 1.2rem; margin: 0; text-align: center; }

    .navbar-buttons { flex-direction: row !important; gap: 8px; }
    .navbar-buttons .btn {
        flex: 1;
        width: auto !important;
        min-height: 44px;
        padding: 8px 10px;
        font-size: .85rem;
        margin: 0 !important;
        white-space: nowrap;
    }
    .navbar-buttons .btn i { margin-right: 6px !important; }

    .search-bar { margin: 16px 0 12px; }
    .search-bar input { height: 48px; font-size: 16px; } /* 16px prevents iOS zoom */

    .filter-section { padding: 16px; margin: 12px 0; }
    .filter-controls { grid-template-columns: 1fr; }
    .filter-group input, .filter-group select, .form-control { font-size: 16px; min-height: 44px; }

    /* One book per row: cover left, text right */
    #book-list { margin: 8px 0 0; }
    #book-list > [class*="col-"] { flex: 0 0 100%; max-width: 100%; padding: 0; }

    .car-container {
        display: grid;
        grid-template-columns: 96px 1fr;
        grid-template-rows: auto auto 1fr;
        column-gap: 12px;
        margin-bottom: 12px;
        padding: 0;
        min-height: 0;
    }
    .car-container:hover { transform: none; }

    .car-container img {
        grid-column: 1;
        grid-row: 1 / span 3;
        width: 96px;
        height: 100%;
        min-height: 144px;
        aspect-ratio: auto;
        margin: 0;
    }
    .car-container > h5 { grid-column: 2; padding: 12px 12px 0 0; font-size: .95rem; }
    .car-container > b { grid-column: 2; padding: 2px 12px 0 0; font-size: .85rem; }
    .car-container > p { grid-column: 2; padding: 4px 12px 12px 0; margin: 0; font-size: 11px; }
    .car-container > .collapse,
    .car-container > .collapsing {
        grid-column: 1 / -1;
        grid-row: 4;
        padding: 0 12px 12px;
        border-top: 1px solid #eee;
        padding-top: 10px;
    }
    .car-container > .collapse .btn { min-height: 44px; }

    .pagination { margin: 8px 0; }
    .pagination .page-link { min-width: 38px; min-height: 38px; padding: 8px 0; margin: 1px; }

    .modal-dialog { margin: 8px; }
    .modal-body { padding: 16px; }
    .modal-header { padding: 14px 16px; }

    .footer { padding: 16px 0 calc(16px + env(safe-area-inset-bottom)); }
}