/* ── StPageFlip base styles ──
   Ported from the vendored lib's own runtime style-injection (disabled in
   js/vendor/page-flip.js since the site's CSP style-src has no unsafe-inline
   and blocks dynamically-inserted <style> tags). Keep in sync if re-vendored. */
.stf__parent {
    position: relative;
    display: block;
    box-sizing: border-box;
    transform: translateZ(0);
    -ms-touch-action: pan-y;
    touch-action: pan-y;
}
.stf__wrapper {
    position: relative;
    width: 100%;
    box-sizing: border-box;
}
.stf__parent canvas {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}
.stf__block {
    position: absolute;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    perspective: 2000px;
}
.stf__item {
    display: none;
    position: absolute;
    transform-style: preserve-3d;
}
.stf__outerShadow, .stf__innerShadow, .stf__hardShadow, .stf__hardInnerShadow {
    position: absolute;
    left: 0;
    top: 0;
}

/* ── CATALOGUE (flipbook teaser + fullscreen modal) ── */
#catalogue, #catModal {
    --cat-navy-950: #080e18;
    --cat-navy-900: #0c1526;
    --cat-navy-800: #12203a;
    --cat-gold: #c6a15b;
    --cat-gold-bright: #e0c079;
    --cat-gold-dim: rgba(198, 161, 91, 0.35);
    --cat-cream: #f4efe4;
    --cat-ink: #080e18;
}

/* ---------- teaser section ---------- */
#catalogue[hidden] { display: none !important; }
#catalogue {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background:
        radial-gradient(ellipse 900px 700px at 42% 28%, rgba(255,255,255,0.06), transparent 60%),
        radial-gradient(ellipse 1600px 1200px at 50% 55%, var(--cat-navy-800), var(--cat-navy-950) 70%);
}
#catalogue::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.05;
    mix-blend-mode: overlay;
    pointer-events: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    background-size: 180px 180px;
}
#catalogue-inner {
    position: relative;
    max-width: 1120px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 64px 20px;
}
.catalogue-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 300;
    color: var(--cat-cream);
    line-height: 1.12;
    margin-top: 12px;
}
.catalogue-title em {
    font-style: normal;
    color: var(--cat-gold-bright);
}
#catalogue .sec-tag {
    color: rgba(244, 239, 228, 0.35);
}

/* ---------- closed book (teaser trigger) ---------- */
#catBookWrap {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform-style: preserve-3d;
    perspective: 1400px;
    margin-top: 44px;
    cursor: pointer;
}
#catBookLift {
    transform-style: preserve-3d;
    transition: transform 420ms cubic-bezier(.22,1,.36,1);
    animation: cat-idle-sway 6.5s ease-in-out infinite;
}
@keyframes cat-idle-sway {
    0%, 100% { transform: rotateY(-14deg) rotateX(3deg) rotateZ(-1.2deg) translateY(0); }
    50% { transform: rotateY(-11deg) rotateX(2deg) rotateZ(-0.6deg) translateY(-6px); }
}
#catBookWrap:hover #catBookLift {
    animation-play-state: paused;
    transform: rotateY(-14deg) rotateX(3deg) rotateZ(-1.2deg) translateY(-10px) scale(1.015);
}
#catBookTilt {
    transform-style: preserve-3d;
    transform: rotateX(var(--cat-rx, 0deg)) rotateY(var(--cat-ry, 0deg));
}
#catBook {
    position: relative;
    width: 200px;
    height: 283px;
    transform-style: preserve-3d;
}
@media (min-width: 640px) {
    #catBook { width: 260px; height: 368px; }
}
.cat-book-cover {
    position: absolute;
    inset: 0;
    /* Path must match CATALOGUE_VERSION in js/catalogue.js */
    background-image: url('../images/catalogue/v2026-07/cover.webp');
    background-size: cover;
    background-position: center;
    border-radius: 2px 5px 5px 2px;
    box-shadow:
        0 2px 0 1px rgba(0,0,0,0.4),
        0 30px 60px -15px rgba(0,0,0,0.7),
        0 8px 20px -6px rgba(0,0,0,0.6);
    overflow: hidden;
}
.cat-book-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.16) var(--cat-sheen-pos, 45%), transparent 60%);
    mix-blend-mode: soft-light;
    pointer-events: none;
}
.cat-book-edges {
    position: absolute;
    top: 3px; bottom: 3px; right: -9px;
    width: 10px;
    background: repeating-linear-gradient(180deg, #b8863a 0px, #e6c581 1px, #8a641f 2px, #d9ac5c 3px);
    border-radius: 0 3px 3px 0;
    box-shadow: 2px 0 4px rgba(0,0,0,0.5) inset, 1px 0 0 rgba(0,0,0,0.3);
    transform: translateZ(-1px);
}
.cat-book-spine-edge {
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: 6px;
    background: linear-gradient(90deg, rgba(0,0,0,0.5), transparent);
}
.cat-book-ribbon {
    position: absolute;
    bottom: -26px; left: 38%;
    width: 9px; height: 44px;
    background: linear-gradient(180deg, #7a2035, #5c1728);
    clip-path: polygon(0 0, 100% 0, 100% 78%, 50% 100%, 0 78%);
    transform-origin: top center;
    animation: cat-ribbon-sway 6.5s ease-in-out infinite;
    animation-delay: 0.15s;
    box-shadow: 1px 2px 4px rgba(0,0,0,0.4);
}
@keyframes cat-ribbon-sway {
    0%, 100% { transform: rotateZ(-2deg); }
    50% { transform: rotateZ(3deg); }
}
.cat-rim-glow {
    position: absolute;
    inset: -14px;
    border-radius: 8px;
    background: radial-gradient(ellipse at 30% 20%, var(--cat-gold-dim), transparent 65%);
    opacity: 0.55;
    filter: blur(6px);
    pointer-events: none;
    transition: opacity 400ms ease;
    z-index: -1;
}
#catBookWrap:hover .cat-rim-glow { opacity: 0.85; }
.cat-book-floor-shadow {
    width: 170px;
    height: 30px;
    margin-top: 22px;
    background: radial-gradient(ellipse, rgba(0,0,0,0.55), transparent 72%);
    filter: blur(2px);
    transition: all 420ms cubic-bezier(.22,1,.36,1);
}
@media (min-width: 640px) {
    .cat-book-floor-shadow { width: 220px; height: 34px; margin-top: 26px; }
}
#catBookWrap:hover .cat-book-floor-shadow { opacity: 0.8; }
@media (min-width: 640px) {
    #catBookWrap:hover .cat-book-floor-shadow { width: 250px; height: 40px; }
}
.cat-cta-btn {
    position: relative;
    margin-top: 26px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 232px;
    padding: 15px 46px 16px;
    text-align: center;
    background: linear-gradient(180deg, var(--cat-gold-bright) 0%, var(--cat-gold) 100%);
    border: 1px solid rgba(255, 244, 214, 0.45);
    border-radius: 2px;
    box-shadow: 0 10px 30px rgba(198, 161, 91, 0.18),
                inset 0 1px 0 rgba(255, 250, 235, 0.5);
    overflow: hidden;
    transition: transform 420ms cubic-bezier(.22,1,.36,1),
                box-shadow 420ms cubic-bezier(.22,1,.36,1),
                filter 420ms ease;
    -webkit-tap-highlight-color: transparent;
}
.cat-cta-btn::before {
    content: "";
    position: absolute;
    top: 0; left: -60%;
    width: 40%; height: 100%;
    background: linear-gradient(115deg, transparent 0%, rgba(255,255,255,0.6) 50%, transparent 100%);
    transform: skewX(-20deg);
    pointer-events: none;
    transition: left 650ms ease;
}
#catBookWrap:hover .cat-cta-btn::before { left: 120%; }
.cat-cta-th {
    display: block;
    font-family: 'Prompt', sans-serif;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.25;
    letter-spacing: 0.05em;
    color: var(--cat-ink);
}
.cat-cta-en {
    display: block;
    font-family: 'Prompt', sans-serif;
    font-weight: 500;
    font-size: 9px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(8, 14, 24, 0.55);
    margin-top: 0;
}
@media (hover: hover) {
    #catBookWrap:hover .cat-cta-btn {
        transform: translateY(-2px);
        filter: brightness(1.05);
        box-shadow: 0 14px 34px rgba(198, 161, 91, 0.3),
                    inset 0 1px 0 rgba(255, 250, 235, 0.6);
    }
}
#catBookWrap:active .cat-cta-btn { transform: translateY(0); filter: brightness(0.96); }
#catBookWrap:focus-visible {
    outline: 2px solid var(--cat-gold-bright);
    outline-offset: 6px;
    border-radius: 4px;
}

/* ---------- modal ---------- */
#catModal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    pointer-events: none;
    transition: visibility 0s 440ms;
    font-family: 'Prompt', sans-serif;
    color: var(--cat-cream);
}
#catModal.open { visibility: visible; pointer-events: auto; transition: visibility 0s; }
#catModal.endgame .cat-modal-backdrop { filter: brightness(1.12); }
.cat-modal-backdrop {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 1400px 1000px at 50% 50%, var(--cat-navy-800), var(--cat-navy-950) 80%);
    opacity: 0;
    transition: opacity 380ms ease;
}
#catModal.open .cat-modal-backdrop { opacity: 1; }
.cat-modal-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 1400px 1000px at 50% 50%, transparent 55%, rgba(0,0,0,0.32) 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 500ms ease;
}
#catModal.open .cat-modal-vignette { opacity: 1; }
.cat-modal-grain {
    position: absolute;
    inset: 0;
    mix-blend-mode: overlay;
    pointer-events: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    background-size: 180px 180px;
    opacity: 0;
    transition: opacity 500ms ease;
}
#catModal.open .cat-modal-grain { opacity: 0.04; }

.cat-modal-inner {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 480ms cubic-bezier(.22,1,.36,1), transform 480ms cubic-bezier(.22,1,.36,1);
}
#catModal.open .cat-modal-inner { opacity: 1; transform: scale(1); }
#catModal.transitioning .cat-modal-inner { transition: none; }

.cat-flip-stage { position: relative; }
.cat-book-mat {
    position: absolute;
    inset: -16px -22px;
    background: linear-gradient(180deg, #17273f, #0d1a2e);
    border-radius: 4px;
    box-shadow: 0 1px 0 rgba(255,255,255,0.05) inset, 0 30px 70px -20px rgba(0,0,0,0.65);
    z-index: -1;
}
#catFlipbook {
    box-shadow: 0 40px 90px -20px rgba(0,0,0,0.8), 0 10px 30px -8px rgba(0,0,0,0.6);
    border-radius: 2px;
    transition: transform 320ms cubic-bezier(.22,1,.36,1);
    transform-origin: center center;
}
.cat-spine-shadow {
    position: absolute;
    top: 0; bottom: 0; left: 50%;
    width: 9%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.22) 50%, transparent);
    pointer-events: none;
    z-index: 5;
}
#catModal.book-portrait .cat-spine-shadow { display: none; }

@media (max-width: 640px) {
    .stf__parent { touch-action: pan-y pinch-zoom; }
    .cat-kbd-hint { display: none; }
    .cat-controls { gap: 16px; }
}
.cat-pageblock {
    position: absolute;
    top: 0; bottom: 0;
    width: 3px;
    background: repeating-linear-gradient(180deg, #cbb68e 0px, #e8dcc0 1px, #b9a273 2px, #dccca3 3px);
    opacity: 0.55;
    box-shadow: 0 0 3px rgba(0,0,0,0.2) inset;
    transition: width 300ms ease;
    pointer-events: none;
    z-index: 2;
}
.cat-pageblock-left { left: -3px; border-radius: 2px 0 0 2px; }
.cat-pageblock-right { right: -3px; border-radius: 0 2px 2px 0; }
.cat-zoom-shield {
    position: absolute;
    inset: 0;
    z-index: 6;
    display: none;
    cursor: grab;
}
.cat-flip-stage.zoomed .cat-zoom-shield { display: block; }
.cat-flip-stage.zoomed .cat-zoom-shield.dragging { cursor: grabbing; }
.cat-flip-stage.zoomed .cat-pageblock,
.cat-flip-stage.zoomed .cat-spine-shadow { opacity: 0; transition: opacity 200ms ease; }
.cat-toc-hotspots {
    position: absolute;
    display: none;
    z-index: 6;
}
.cat-toc-hotspots.visible { display: block; }

.cat-endgame-card {
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%,-50%) scale(0.94);
    z-index: 7;
    width: min(320px, 84%);
    padding: 34px 28px 28px;
    background: rgba(8,14,24,0.82);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(198,161,91,0.4);
    border-radius: 4px;
    box-shadow: 0 25px 60px -15px rgba(0,0,0,0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    opacity: 0;
    pointer-events: none;
}
#catModal.endgame .cat-endgame-card {
    opacity: 1; pointer-events: auto; transform: translate(-50%,-50%) scale(1);
    transition: opacity 500ms ease 200ms, transform 500ms cubic-bezier(.22,1,.36,1) 200ms;
}
.cat-endgame-rule { width: 44px; height: 1px; background: linear-gradient(90deg,transparent,var(--cat-gold),transparent); }
.cat-endgame-brand {
    font-size: 11px; font-weight: 500; letter-spacing: 0.3em;
    color: var(--cat-gold); margin: 14px 0 10px;
}
.cat-endgame-headline {
    font-family: 'Cormorant Garamond', serif;
    font-size: 24px; font-weight: 600;
    color: var(--cat-cream); line-height: 1.35; margin-bottom: 8px;
}
.cat-endgame-sub { font-size: 12px; color: rgba(244,239,228,0.6); margin-bottom: 18px; }
.cat-endgame-phone {
    display: inline-block;
    font-weight: 500; font-size: 17px; letter-spacing: 0.04em;
    color: var(--cat-ink);
    background: linear-gradient(180deg, var(--cat-gold-bright), var(--cat-gold));
    padding: 11px 26px; border-radius: 24px;
    text-decoration: none;
    box-shadow: 0 8px 20px -6px rgba(198,161,91,0.5);
    transition: transform 150ms ease, box-shadow 150ms ease;
}
.cat-endgame-phone:hover { transform: scale(1.04); box-shadow: 0 10px 26px -6px rgba(198,161,91,0.65); }
.cat-endgame-line { font-size: 11px; letter-spacing: 0.06em; color: rgba(244,239,228,0.5); margin-top: 12px; }
.cat-toc-hotspot {
    display: block;
    position: absolute; left: 0; right: 0;
    width: auto;
    margin: 0; padding: 0;
    background: transparent; border: none;
    font: inherit;
    cursor: pointer;
    transition: background 150ms ease, box-shadow 150ms ease;
    border-radius: 2px;
}
.cat-toc-hotspot:hover { background: rgba(198,161,91,0.1); box-shadow: inset 0 0 0 1px rgba(198,161,91,0.5); }

.cat-section-rail { display: flex; gap: 4px; }
.cat-rail-seg {
    display: block;
    position: relative;
    height: 4px;
    margin: 0; padding: 0;
    border-radius: 2px;
    background: rgba(198,161,91,0.18);
    border: none;
    font: inherit;
    cursor: pointer;
    overflow: visible;
}
.cat-rail-seg:hover { background: rgba(198,161,91,0.3); }
.cat-rail-fill {
    position: absolute;
    inset: 0;
    width: 0%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--cat-gold), var(--cat-gold-bright));
    transition: width 260ms ease;
    overflow: hidden;
}
.cat-rail-fill.shimmer {
    background: linear-gradient(90deg, var(--cat-gold) 0%, var(--cat-gold-bright) 20%, #fff8e6 35%, var(--cat-gold-bright) 50%, var(--cat-gold) 100%);
    background-size: 250% 100%;
    animation: cat-rail-shimmer-sweep 1.4s ease-out 1;
}
@keyframes cat-rail-shimmer-sweep {
    0% { background-position: 0% 0; }
    100% { background-position: -150% 0; }
}
.cat-rail-label {
    position: absolute;
    bottom: 9px; left: 0;
    font-size: 9px; letter-spacing: 0.08em;
    color: rgba(244,239,228,0.55);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 150ms ease;
    pointer-events: none;
}
.cat-rail-seg:hover .cat-rail-label { opacity: 1; }
@keyframes cat-rail-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(198,161,91,0.55); }
    50% { box-shadow: 0 0 10px 3px rgba(198,161,91,0.55); }
}
.cat-rail-seg.rail-pulse { animation: cat-rail-pulse 0.8s ease-in-out 3; }

.cat-controls { display: flex; align-items: center; gap: 26px; }
.cat-nav-btn {
    width: 38px; height: 38px;
    border-radius: 50%;
    border: 1px solid var(--cat-gold-dim);
    background: transparent;
    color: var(--cat-gold);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background 150ms ease, box-shadow 150ms ease, transform 150ms ease, border-color 150ms ease;
}
.cat-nav-btn:hover {
    background: rgba(198,161,91,0.1);
    border-color: var(--cat-gold);
    box-shadow: 0 0 14px rgba(198,161,91,0.35);
    transform: scale(1.06);
}
.cat-nav-btn:disabled { opacity: 0.25; cursor: default; }
.cat-nav-btn:disabled:hover { background: transparent; box-shadow: none; transform: none; }
.cat-nav-btn svg { width: 14px; height: 14px; }

.cat-counter { display: flex; flex-direction: column; align-items: center; gap: 5px; min-width: 180px; }
.cat-counter-section { text-align: center; line-height: 1.3; }
.cat-counter-section-th { display: block; font-size: 13px; font-weight: 500; letter-spacing: 0.04em; color: var(--cat-gold-bright); }
.cat-counter-section-en { display: block; font-size: 9px; font-weight: 400; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(244,239,228,0.4); }
.cat-counter-nums-row { display: flex; align-items: center; gap: 12px; }
.cat-counter-rule { width: 26px; height: 1px; background: linear-gradient(90deg, transparent, var(--cat-gold-dim)); }
.cat-counter-rule:last-child { background: linear-gradient(90deg, var(--cat-gold-dim), transparent); }
.cat-counter-nums { font-variant-numeric: tabular-nums; font-size: 12px; letter-spacing: 0.06em; color: var(--cat-cream); }
.cat-counter-sep { color: var(--cat-gold-dim); margin: 0 6px; }
#cat-totalPages { color: rgba(244,239,228,0.5); }

.cat-modal-close {
    position: fixed;
    top: 22px; right: 22px;
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(244,239,228,0.18);
    background: rgba(8,14,24,0.5);
    color: var(--cat-cream);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: border-color 150ms ease, transform 150ms ease;
    z-index: 10;
}
.cat-modal-close:hover { border-color: var(--cat-gold); transform: scale(1.06); }
.cat-modal-close svg { width: 14px; height: 14px; }

.cat-utility-cluster {
    position: fixed;
    top: 22px; left: 22px;
    display: flex; align-items: center; gap: 2px;
    background: rgba(8,14,24,0.5);
    border: 1px solid rgba(244,239,228,0.18);
    border-radius: 20px;
    padding: 4px;
    z-index: 10;
}
.cat-utility-cluster button {
    width: 30px; height: 30px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--cat-cream);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background 150ms ease, color 150ms ease;
}
.cat-utility-cluster button:hover { background: rgba(198,161,91,0.15); color: var(--cat-gold-bright); }
.cat-utility-cluster button.active { background: rgba(198,161,91,0.22); color: var(--cat-gold); }
.cat-utility-cluster button svg { width: 14px; height: 14px; }
.cat-utility-cluster button svg.cat-icon-hidden { display: none; }
.cat-utility-label { display: none; }
.cat-utility-divider { width: 1px; height: 16px; background: rgba(244,239,228,0.15); }

.cat-kbd-hint { font-size: 11px; letter-spacing: 0.1em; color: rgba(244,239,228,0.4); transition: opacity 600ms ease; }
.cat-kbd-hint.fade { opacity: 0; }

.cat-zoom-hint {
    position: absolute;
    left: 50%;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 108px);
    transform: translateX(-50%);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: rgba(244,239,228,0.7);
    background: rgba(8,14,24,0.6);
    border: 1px solid rgba(198,161,91,0.3);
    border-radius: 20px;
    padding: 7px 16px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
    opacity: 0;
    transition: opacity 500ms ease;
}
@media (min-width: 641px) { .cat-zoom-hint { display: none; } }
.cat-zoom-hint.visible { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .cat-zoom-hint { transition: none; } }

.cat-return-chip {
    display: none;
    align-items: center; gap: 6px;
    font-size: 11px; letter-spacing: 0.04em;
    color: var(--cat-gold-bright);
    background: rgba(198,161,91,0.1);
    border: 1px solid var(--cat-gold-dim);
    border-radius: 20px;
    padding: 6px 14px;
    cursor: pointer;
    transition: background 150ms ease, border-color 150ms ease;
}
.cat-return-chip:hover { background: rgba(198,161,91,0.18); border-color: var(--cat-gold); }

.cat-filmstrip {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    height: 104px;
    background: rgba(8,14,24,0.94);
    border-top: 1px solid rgba(198,161,91,0.2);
    transform: translateY(100%);
    transition: transform 320ms cubic-bezier(.22,1,.36,1);
    z-index: 9;
    display: flex; align-items: center;
    overflow-x: auto;
    padding: 0 18px;
    gap: 10px;
}
.cat-filmstrip.open { transform: translateY(0); }
.cat-filmstrip-track { display: flex; align-items: center; gap: 10px; }
.cat-fs-thumb-button {
    display: block;
    margin: 0; padding: 0;
    border: none;
    background: transparent;
    font: inherit;
    cursor: pointer;
    opacity: 0.55;
    transition: opacity 150ms ease, outline-color 150ms ease;
    outline: 2px solid transparent;
    outline-offset: 1px;
    flex-shrink: 0;
}
.cat-fs-thumb-button:hover { opacity: 0.9; }
.cat-fs-thumb-button.active { opacity: 1; outline-color: var(--cat-gold); }
.cat-fs-thumb {
    display: block;
    height: 72px;
    border-radius: 2px;
}
.cat-fs-caption {
    flex-shrink: 0;
    font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
    color: rgba(198,161,91,0.7);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    align-self: stretch;
    display: flex; align-items: center;
    padding-right: 4px;
    border-right: 1px solid rgba(198,161,91,0.2);
}

@media (prefers-reduced-motion: reduce) {
    #catBookLift { animation: none; }
    .cat-book-ribbon { animation: none; }
    .cat-book-cover::after { display: none; }
}

/* Mobile utility toolbar — placed last so it wins over the same-specificity
   desktop rules earlier in this file regardless of media-query source order. */
@media (max-width: 640px) {
    .cat-utility-cluster {
        top: calc(env(safe-area-inset-top, 0px) + 14px);
        left: 14px;
        border-radius: 22px;
        padding: 6px;
        gap: 4px;
    }
    .cat-utility-cluster button {
        width: auto;
        min-width: 44px;
        height: 44px;
        border-radius: 22px;
        flex-direction: column;
        gap: 1px;
        padding: 0 10px;
    }
    .cat-utility-label { display: block; font-size: 8.5px; letter-spacing: 0.04em; line-height: 1; }
    .cat-utility-divider { height: 22px; }

    .cat-modal-close { top: calc(env(safe-area-inset-top, 0px) + 14px); right: 14px; width: 44px; height: 44px; }
    .cat-nav-btn { width: 44px; height: 44px; }

    .cat-filmstrip { padding-bottom: env(safe-area-inset-bottom, 0px); }
    .cat-counter { min-width: 140px; }
}