:root {
    --ink: #1B2A4A;
    --ink-2: #243657;
    --paper: #FAF7F0;
    --paper-2: #F1ECDF;
    --brass: #C9A24B;
    --brass-dark: #A9822E;
    --sage: #3F7D6B;
    --maroon: #8A3B3B;
    --charcoal: #242832;
    --muted: #6B7280;
    --line: #E4DCC8;
    --radius: 14px;
    --shadow: 0 6px 18px rgba(27,42,74,0.10);
    --shadow-hover: 0 16px 34px rgba(27,42,74,0.20);
    --ease-cred: cubic-bezier(0.16, 1, 0.3, 1);
    --bg: var(--paper);
    --panel-bg: #ffffff;
    --panel-bg-alt: var(--paper-2);
    --text: var(--charcoal);
    --text-strong: var(--ink);
    --border: var(--line);
    --glass-bg: rgba(255,255,255,0.7);
    --glass-border: rgba(255,255,255,0.85);
}

html[data-theme="dark"] {
    --bg: #0E0A1A;
    --panel-bg: #1A1430;
    --panel-bg-alt: #221B3D;
    --text: #F3F0FF;
    --text-strong: #F3F0FF;
    --border: rgba(255,255,255,0.14);
    --glass-bg: rgba(30,21,51,0.6);
    --glass-border: rgba(255,255,255,0.15);
    --muted: #B3ABD1;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    transition: background 0.35s ease, color 0.35s ease;
}

h1, h2, h3, h4 {
    font-family: 'Fraunces', serif;
    margin: 0;
    letter-spacing: -0.01em;
}

::selection {
    background: var(--brass);
    color: white;
}

/* ---------- TOPBAR ---------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--ink);
    color: var(--paper);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    gap: 24px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.25);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Fraunces', serif;
    font-size: 21px;
    font-weight: 600;
    white-space: nowrap;
}

    .brand .mark {
        width: 34px;
        height: 34px;
        border-radius: 8px;
        background: linear-gradient(155deg, var(--brass) 0%, var(--brass-dark) 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--ink);
        font-size: 16px;
        font-weight: 700;
    }

.search-area {
    flex: 1;
    max-width: 480px;
    position: relative;
}

    .search-area input {
        width: 100%;
        padding: 11px 16px 11px 42px;
        border-radius: 10px;
        border: 1px solid transparent;
        background: rgba(255,255,255,0.1);
        color: var(--paper);
        font-size: 14px;
        outline: none;
        transition: 0.2s;
    }

        .search-area input::placeholder {
            color: rgba(250,247,240,0.55);
        }

        .search-area input:focus {
            background: rgba(255,255,255,0.16);
            border-color: var(--brass);
        }

    .search-area i {
        position: absolute;
        left: 15px;
        top: 50%;
        transform: translateY(-50%);
        color: rgba(250,247,240,0.55);
        font-size: 14px;
    }

.top-icons {
    display: flex;
    gap: 16px;
    margin-left: auto;
    align-items: center;
}

    .top-icons button {
        background: none;
        border: none;
        color: var(--paper);
        font-size: 17px;
        cursor: pointer;
        position: relative;
        opacity: 0.85;
        transition: 0.25s var(--ease-cred);
    }

        .top-icons button:hover {
            opacity: 1;
            color: var(--brass);
            transform: scale(1.15) rotate(-8deg);
        }

    .top-icons .dot {
        position: absolute;
        top: -3px;
        right: -5px;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--maroon);
    }

.theme-toggle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1) !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .theme-toggle:hover {
        background: rgba(255,255,255,0.2) !important;
    }

/* ---------- FILTERS BAR ---------- */
.filters-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 16px 28px;
    background: var(--bg);
    position: sticky;
    top: 65px;
    z-index: 900;
    border-bottom: 1px solid var(--border);
}

.cat-rail-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 6px 10px;
    max-width: 640px;
    flex: 1;
    min-width: 260px;
    box-shadow: var(--shadow);
}

.cat-rail-search {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    padding-right: 8px;
    border-right: 1px solid var(--border);
}

    .cat-rail-search i {
        font-size: 12px;
        color: var(--muted);
    }

    .cat-rail-search input {
        border: none;
        outline: none;
        background: transparent;
        font-size: 12.5px;
        width: 110px;
        color: var(--text);
    }

.cat-rail {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: thin;
    padding: 4px 0;
}

    .cat-rail::-webkit-scrollbar {
        height: 4px;
    }

    .cat-rail::-webkit-scrollbar-thumb {
        background: var(--border);
        border-radius: 4px;
    }

.chip {
    flex: 0 0 auto;
    padding: 7px 14px;
    border-radius: 18px;
    background: var(--panel-bg-alt);
    border: 1px solid var(--border);
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-strong);
    cursor: pointer;
    white-space: nowrap;
    transition: 0.22s var(--ease-cred);
}

    .chip:hover {
        border-color: var(--brass);
        transform: translateY(-2px) scale(1.04);
        box-shadow: var(--shadow);
    }

    .chip.active {
        background: var(--ink);
        color: var(--paper);
        border-color: var(--ink);
        transform: scale(1.05);
    }

html[data-theme="dark"] .chip.active {
    background: var(--brass);
    color: #0E0A1A;
    border-color: var(--brass);
}

.fdrop {
    position: relative;
}

.fdrop-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 12px;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-strong);
    cursor: pointer;
    transition: 0.22s var(--ease-cred);
    box-shadow: var(--shadow);
}

    .fdrop-btn:hover {
        border-color: var(--brass);
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

    .fdrop-btn i {
        font-size: 10px;
        transition: transform 0.3s var(--ease-cred);
    }

.fdrop.open .fdrop-btn i {
    transform: rotate(180deg);
}

.fdrop-panel {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    width: 280px;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    background: var(--panel-bg);
    border-radius: 14px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-hover);
    transition: max-height 0.35s var(--ease-cred), opacity 0.25s ease;
    z-index: 950;
}

    .fdrop-panel.open {
        max-height: 360px;
        opacity: 1;
    }

.fdrop-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
}

    .fdrop-search i {
        font-size: 12px;
        color: var(--muted);
    }

    .fdrop-search input {
        border: none;
        outline: none;
        font-size: 13px;
        flex: 1;
        background: transparent;
        color: var(--text);
    }

.fdrop-list {
    max-height: 280px;
    overflow-y: auto;
    padding: 8px;
}

.fdrop-item {
    padding: 9px 12px;
    border-radius: 9px;
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
    transition: 0.18s var(--ease-cred);
}

    .fdrop-item:hover {
        background: var(--panel-bg-alt);
        transform: translateX(4px);
    }

    .fdrop-item.active {
        background: var(--ink);
        color: var(--paper);
        font-weight: 600;
    }

html[data-theme="dark"] .fdrop-item.active {
    background: var(--brass);
    color: #0E0A1A;
}

.fdrop-empty {
    padding: 16px;
    text-align: center;
    font-size: 12.5px;
    color: var(--muted);
}

.status-group {
    display: flex;
    gap: 8px;
}

.status-pill {
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 12.5px;
    font-weight: 600;
    background: var(--panel-bg-alt);
    color: var(--muted);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: 0.22s var(--ease-cred);
}

    .status-pill:hover {
        transform: translateY(-2px);
    }

    .status-pill.active {
        background: var(--sage);
        color: white;
        border-color: var(--sage);
        transform: scale(1.05);
    }

select.sortbox {
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--panel-bg);
    color: var(--text-strong);
    font-size: 13px;
    font-weight: 600;
    margin-left: auto;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.result-count {
    font-size: 13px;
    color: var(--muted);
    font-weight: 600;
}

/* ---------- BOOK PANELS ---------- */
.book-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 28px 40px;
    max-width: 920px;
}

.book-row {
    position: relative;
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--panel-bg);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 14px 18px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: transform 0.15s ease-out, box-shadow 0.25s var(--ease-cred), border-color 0.25s var(--ease-cred);
    animation: rowIn 0.5s var(--ease-cred) both;
    will-change: transform;
}

    .book-row::before {
        content: "";
        position: absolute;
        inset: -1px;
        border-radius: 12px;
        padding: 1px;
        background: linear-gradient(120deg, transparent 20%, var(--brass) 50%, transparent 80%);
        background-size: 220% 220%;
        background-position: 0% 50%;
        -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
        opacity: 0;
        transition: opacity 0.3s ease;
        pointer-events: none;
    }

    .book-row:hover::before {
        opacity: 1;
        animation: glowSweep 1.6s linear infinite;
    }

@keyframes glowSweep {
    to {
        background-position: 220% 50%;
    }
}

/* Holographic glare that tracks the cursor — the "foil card" effect */
.book-row::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.35), transparent 55%);
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
    mix-blend-mode: overlay;
}

html[data-theme="dark"] .book-row::after {
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.16), transparent 55%);
    mix-blend-mode: soft-light;
}

.book-row:hover::after {
    opacity: 1;
}

/* Sparkle dust trailing the cursor while hovering a row */
.cursor-dust {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--brass);
    box-shadow: 0 0 8px 2px rgba(201,162,75,0.8);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 5;
    animation: dustFade 0.55s ease-out forwards;
}

@keyframes dustFade {
    0% {
        opacity: 0.9;
        transform: translate(-50%, -50%) scale(1);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.2) translateY(-14px);
    }
}

@keyframes rowIn {
    from {
        opacity: 0;
        transform: translateX(-16px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.book-row:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-hover);
    border-color: var(--brass);
}

.book-row.selected {
    border-color: var(--brass);
    box-shadow: 0 0 0 3px rgba(201,162,75,0.35), var(--shadow-hover);
    animation: rowIn 0.5s var(--ease-cred) both, pulseSelect 0.5s var(--ease-cred);
}

@keyframes pulseSelect {
    0% {
        box-shadow: 0 0 0 0 rgba(201,162,75,0.6), var(--shadow-hover);
    }

    100% {
        box-shadow: 0 0 0 3px rgba(201,162,75,0.35), var(--shadow-hover);
    }
}

.row-accent {
    width: 5px;
    align-self: stretch;
    border-radius: 4px;
    flex-shrink: 0;
}

.row-main {
    flex: 1;
    min-width: 0;
}

.row-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-strong);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.row-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
    font-weight: 500;
}

.row-cat {
    font-weight: 700;
}

.row-status {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    position: relative;
    transition: transform 0.25s var(--ease-cred);
}

    .row-status.available {
        background: var(--sage);
    }

    .row-status.limited {
        background: var(--brass-dark);
    }

    .row-status.issued {
        background: var(--maroon);
        cursor: pointer;
    }

.book-row:hover .row-status {
    transform: scale(1.15) rotate(8deg);
}

.row-chevron {
    font-size: 12px;
    color: var(--muted);
    transition: transform 0.35s var(--ease-cred);
    flex-shrink: 0;
}

.book-row.selected .row-chevron {
    transform: rotate(180deg);
    color: var(--brass-dark);
}

.row-expand {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s var(--ease-cred);
    width: 100%;
}

.book-row.selected .row-expand {
    max-height: 220px;
}

.row-expand-inner {
    margin-top: 12px;
    padding: 14px 16px;
    border-radius: 10px;
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
}

.re-desc {
    margin: 0 0 12px;
    font-size: 12.5px;
    line-height: 1.55;
    color: var(--text);
    opacity: 0;
    transform: translateY(6px);
    animation: reFadeIn 0.4s var(--ease-cred) 0.08s forwards;
}

.re-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 18px;
}

.re-line {
    display: flex;
    justify-content: space-between;
    font-size: 12.5px;
    gap: 8px;
    opacity: 0;
    transform: translateY(6px);
    animation: reFadeIn 0.4s var(--ease-cred) forwards;
}

    .re-line:nth-child(1) {
        animation-delay: 0.12s;
    }

    .re-line:nth-child(2) {
        animation-delay: 0.16s;
    }

    .re-line:nth-child(3) {
        animation-delay: 0.20s;
    }

    .re-line:nth-child(4) {
        animation-delay: 0.24s;
    }

    .re-line span {
        color: var(--muted);
    }

    .re-line b {
        color: var(--text-strong);
    }

@keyframes reFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.row-ripple {
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(201,162,75,0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
    animation: rippleGrow 0.65s ease-out forwards;
}

@keyframes rippleGrow {
    to {
        transform: translate(-50%, -50%) scale(26);
        opacity: 0;
    }
}

.skel-row {
    pointer-events: none;
}

.shimmer {
    position: relative;
    overflow: hidden;
    background: var(--panel-bg-alt);
}

    .shimmer::after {
        content: "";
        position: absolute;
        inset: 0;
        transform: translateX(-100%);
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
        animation: shimmer 1.2s infinite;
    }

@keyframes shimmer {
    to {
        transform: translateX(100%);
    }
}

.line {
    height: 10px;
    border-radius: 5px;
    margin: 5px 0;
}

    .line.w60 {
        width: 60%;
    }

    .line.w40 {
        width: 40%;
    }

.end-of-shelf {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--muted);
    font-size: 13px;
    padding: 20px 28px 46px;
    max-width: 920px;
}

    .end-of-shelf::before, .end-of-shelf::after {
        content: "";
        flex: 1;
        height: 1px;
        background: var(--border);
    }

.empty-state {
    text-align: center;
    padding: 70px 20px;
    color: var(--muted);
}

    .empty-state i {
        font-size: 34px;
        color: var(--brass-dark);
        margin-bottom: 14px;
        display: block;
    }

/* ---------- QUICK-VIEW GLASS PANEL ---------- */
.quickview-float {
    position: absolute;
    width: 290px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 18px 20px;
    box-shadow: 0 26px 55px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.92) translateY(8px);
    transition: opacity 0.28s var(--ease-cred), transform 0.32s var(--ease-cred), visibility 0.28s;
    z-index: 1500;
    pointer-events: none;
}

    .quickview-float.open {
        opacity: 1;
        visibility: visible;
        transform: scale(1) translateY(0);
        pointer-events: auto;
    }

.qf-close {
    display: none;
    position: absolute;
    top: 14px;
    right: 14px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background: var(--panel-bg-alt);
    color: var(--text-strong);
    font-size: 13px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.2s var(--ease-cred);
}

    .qf-close:hover {
        background: var(--maroon);
        color: white;
        transform: rotate(90deg);
    }

/* Full-screen blurred glass backdrop, used behind the mobile bottom sheet */
.qf-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1490;
    background: rgba(14,10,26,0.35);
    backdrop-filter: blur(10px) saturate(140%);
    -webkit-backdrop-filter: blur(10px) saturate(140%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s var(--ease-cred), visibility 0.3s;
}

    .qf-backdrop.open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

.qf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.qf-cat {
    font-size: 10.5px;
    font-weight: 700;
    color: var(--brass-dark);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.qf-status {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    color: white;
    display: flex;
    align-items: center;
    gap: 5px;
}

    .qf-status.available {
        background: var(--sage);
    }

    .qf-status.limited {
        background: var(--brass-dark);
    }

    .qf-status.issued {
        background: var(--maroon);
    }

.qf-title {
    font-size: 16.5px;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 6px;
    line-height: 1.3;
}

.qf-desc {
    font-size: 12.5px;
    line-height: 1.55;
    color: var(--muted);
    margin: 0 0 14px;
}

.qf-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 16px;
}

.qf-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px dashed var(--border);
}

/* Stagger the card's own contents in once it opens */
.quickview-float .qf-header,
.quickview-float .qf-title,
.quickview-float .qf-desc,
.quickview-float .qf-meta,
.quickview-float .qf-footer {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.3s var(--ease-cred), transform 0.3s var(--ease-cred);
}

.quickview-float.open .qf-header {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.05s;
}

.quickview-float.open .qf-title {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.09s;
}

.quickview-float.open .qf-desc {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.13s;
}

.quickview-float.open .qf-meta {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.17s;
}

.quickview-float.open .qf-footer {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.21s;
}

.social-icons {
    display: flex;
    gap: 12px;
}

    .social-icons i {
        font-size: 15px;
        cursor: pointer;
        transition: 0.25s var(--ease-cred);
        opacity: 0.85;
    }

        .social-icons i:hover {
            opacity: 1;
            transform: translateY(-3px) scale(1.2);
        }

    .social-icons .fa-square-facebook {
        color: #1877F2;
    }

    .social-icons .fa-square-instagram {
        color: #E1306C;
    }

    .social-icons .fa-square-whatsapp {
        color: #25D366;
    }

.btn-view {
    background: var(--ink);
    color: var(--paper);
    border: none;
    padding: 9px 18px;
    border-radius: 9px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.25s var(--ease-cred);
    display: flex;
    align-items: center;
    gap: 6px;
}

    .btn-view:hover {
        background: var(--brass-dark);
        transform: translateY(-2px);
        box-shadow: var(--shadow);
    }

/* ---------- BACK TO TOP ---------- */
.to-top {
    position: fixed;
    bottom: 26px;
    right: 26px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--ink);
    color: var(--paper);
    border: none;
    font-size: 17px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 10px 26px rgba(0,0,0,0.4);
    opacity: 0;
    pointer-events: none;
    transform: translateY(14px) scale(0.8);
    transition: 0.3s var(--ease-cred);
    z-index: 900;
}

    .to-top.show {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0) scale(1);
    }

    .to-top:hover {
        background: var(--brass-dark);
        transform: scale(1.12) rotate(-8deg);
    }

/* ---------- MODAL ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

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

.modal-box {
    background: var(--panel-bg);
    border-radius: 18px;
    width: 100%;
    max-width: 420px;
    overflow: hidden;
    box-shadow: 0 34px 70px rgba(0,0,0,0.35);
    animation: pop 0.32s var(--ease-cred);
}

@keyframes pop {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(16px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-head {
    background: var(--ink);
    color: var(--paper);
    padding: 22px;
    position: relative;
}

    .modal-head h3 {
        font-size: 19px;
    }

    .modal-head .close-x {
        position: absolute;
        top: 16px;
        right: 18px;
        background: none;
        border: none;
        color: var(--paper);
        font-size: 16px;
        cursor: pointer;
        opacity: 0.75;
        transition: 0.2s;
    }

        .modal-head .close-x:hover {
            opacity: 1;
            transform: rotate(90deg);
        }

.modal-body {
    padding: 24px;
}

    .modal-body .row {
        display: flex;
        justify-content: space-between;
        padding: 10px 0;
        border-bottom: 1px solid var(--border);
        font-size: 13.5px;
    }

        .modal-body .row span:first-child {
            color: var(--muted);
        }

        .modal-body .row span:last-child {
            font-weight: 700;
            color: var(--text-strong);
        }

    .modal-body .close-btn {
        margin-top: 18px;
        width: 100%;
        background: var(--brass-dark);
        color: white;
        border: none;
        padding: 12px;
        border-radius: 10px;
        font-weight: 700;
        cursor: pointer;
        transition: 0.2s;
    }

        .modal-body .close-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

/* ---------- SPARKLE ---------- */
.sparkle-burst {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #FFD87A;
    box-shadow: 0 0 6px 2px rgba(255,216,122,0.9);
    pointer-events: none;
    animation: sparkleFly 0.7s ease-out forwards;
    z-index: 10;
}

@keyframes sparkleFly {
    0% {
        opacity: 1;
        transform: translate(0,0) scale(1);
    }

    100% {
        opacity: 0;
        transform: translate(var(--dx), var(--dy)) scale(0.2);
    }
}

.shine-sweep {
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.85) 50%, transparent 70%);
    transform: translateX(-100%);
    animation: shineSweep 0.6s ease-out;
    pointer-events: none;
    z-index: 9;
}

@keyframes shineSweep {
    to {
        transform: translateX(100%);
    }
}

@media (max-width: 640px) {
    .topbar {
        flex-wrap: wrap;
        gap: 12px;
    }

    .search-area {
        order: 3;
        max-width: 100%;
        flex: 1 1 100%;
    }

    .filters-bar {
        padding: 12px 16px;
    }

    .cat-rail-wrap {
        max-width: 100%;
    }

    .book-list {
        padding: 6px 16px 30px;
    }

    /* Quick-view becomes a bottom sheet on touch screens instead of a hover
       flyout — tap a row to open it, tap the backdrop or × to close it. */
    .quickview-float {
        position: fixed;
        left: 12px;
        right: 12px;
        top: auto;
        bottom: 12px;
        width: auto;
        max-width: none;
        transform: translateY(130%);
        border-radius: 20px;
        z-index: 1500;
    }

        .quickview-float.open {
            transform: translateY(0);
        }

    .qf-close {
        display: flex;
    }
}

/* ---------- QUICK FILTER ICONS ---------- */
.quick-filters { display: flex; gap: 8px; }
.qfilter-btn {
    position: relative; width: 38px; height: 38px; border-radius: 10px;
    background: rgba(255,255,255,0.1); border: none; color: var(--paper);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: 15px; transition: 0.25s var(--ease-cred); flex-shrink: 0;
}
.qfilter-btn:hover { background: rgba(255,255,255,0.2); color: var(--brass); transform: translateY(-2px); }
.qfilter-btn.active { background: var(--brass); color: var(--ink); }
.qfilter-badge {
    position: absolute; top: -4px; right: -4px; min-width: 16px; height: 16px;
    padding: 0 4px; border-radius: 8px; background: var(--maroon); color: #fff;
    font-size: 9.5px; font-weight: 700; display: flex; align-items: center; justify-content: center; line-height: 1;
}
.filter-summary {
    display: flex; align-items: center; gap: 10px; padding: 10px 28px;
    font-size: 12.5px; color: var(--muted); font-weight: 600;
    border-bottom: 1px solid var(--border); background: var(--bg);
    position: sticky; top: 65px; z-index: 900;
}
.filter-summary .active-filters { color: var(--brass-dark); }
.qpanel-backdrop { position: fixed; inset: 0; z-index: 940; background: transparent; display: none; }
.qpanel-backdrop.open { display: block; }
.qpanel {
    position: fixed; top: 65px; right: 16px; width: 290px; max-height: 0; opacity: 0;
    overflow: hidden; background: var(--panel-bg); border: 1px solid var(--border);
    border-radius: 14px; box-shadow: var(--shadow-hover);
    transition: max-height 0.35s var(--ease-cred), opacity 0.25s ease; z-index: 950; padding: 4px;
}
.qpanel.open { max-height: 420px; opacity: 1; overflow-y: auto; padding: 10px; }
.qpanel-search { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-bottom: 1px solid var(--border); margin-bottom: 6px; }
.qpanel-search i { font-size: 12px; color: var(--muted); }
.qpanel-search input { border: none; outline: none; font-size: 13px; flex: 1; background: transparent; color: var(--text); }
.qpanel-list { max-height: 260px; overflow-y: auto; }
.qpanel-item { padding: 9px 12px; border-radius: 9px; font-size: 13px; color: var(--text); cursor: pointer; transition: 0.18s var(--ease-cred); }
.qpanel-item:hover { background: var(--panel-bg-alt); transform: translateX(4px); }
.qpanel-item.active { background: var(--ink); color: var(--paper); font-weight: 600; }
html[data-theme="dark"] .qpanel-item.active { background: var(--brass); color: #0E0A1A; }
.qpanel-section-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin: 10px 6px 6px; }
.qpanel-pills { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 4px 4px; }
.qpanel-pill { padding: 8px 14px; border-radius: 10px; font-size: 12.5px; font-weight: 600; background: var(--panel-bg-alt); color: var(--muted); border: 1px solid var(--border); cursor: pointer; transition: 0.22s var(--ease-cred); }
.qpanel-pill:hover { transform: translateY(-2px); }
.qpanel-pill.active { background: var(--sage); color: white; border-color: var(--sage); }
.qpanel-empty { padding: 16px; text-align: center; font-size: 12.5px; color: var(--muted); }
@media (max-width: 480px) {
    .qpanel { left: 8px; right: 8px; width: auto; }
    .filter-summary { padding: 10px 16px; }
}
/* ---------- MOBILE FILTER POSITION FIX ---------- */
@media (max-width: 360px) {

    .topbar {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        padding: 12px 16px;
        align-items: center;
    }

    .brand {
        flex: 1;
    }

    /* Search bar + filter icons same row */
    .search-area {
        order: 2;
        flex: 1;
        max-width: calc(100% - 90px);
    }

    .quick-filters {
        order: 3;
        display: flex;
        gap: 8px;
        margin-left: auto;
    }

    .qfilter-btn {
        width: 36px;
        height: 36px;
    }

    /* hide extra icons from taking space */
    .top-icons {
        order: 1;
        margin-left: auto;
        gap: 8px;
    }

        .top-icons button:not(.theme-toggle) {
            display: flex;
        }


    /* FILTER PANEL FIX */
    .qpanel {
        position: absolute;
        top: calc(var(--topbar-h, 120px) + 8px);
        left: 12px;
        right: 12px;
        width: auto;
        max-height: 0;
        z-index: 2000;
    }


        .qpanel.open {
            max-height: 420px;
            overflow-y: auto;
        }


    /* category/status panel appears below header */
    .qpanel-list {
        max-height: 260px;
        overflow-y: auto;
    }


    /* prevent filter panel hiding book cards */
    .filter-summary {
        position: relative;
        top: auto;
        z-index: 1;
    }


    .book-list {
        position: relative;
        z-index: 1;
    }
}