/* Stripoteka PDF Flipbook Reader */
.stripoteka-reader-shell {
    --reader-paper: #fffdf7;
    --reader-ink: #e2e8f0;
    --reader-panel: rgba(15, 23, 42, 0.92);
    --reader-accent: #f59e0b;
    --reader-bg-a: #020617;
    --reader-bg-b: #111827;
    min-height: 86vh;
    color: var(--reader-ink);
}

.stripoteka-reader-shell:fullscreen {
    width: 100vw;
    min-height: 100vh;
    overflow: auto;
    padding: 12px;
    background:
        radial-gradient(circle at 20% 0%, rgba(245, 158, 11, 0.14), transparent 34rem),
        radial-gradient(circle at 80% 12%, rgba(14, 165, 233, 0.10), transparent 30rem),
        linear-gradient(135deg, var(--reader-bg-a), var(--reader-bg-b));
}

.stripoteka-reader-cinema {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
    background:
        radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.12), transparent 36rem),
        linear-gradient(145deg, rgba(15, 23, 42, 0.96), rgba(2, 6, 23, 0.98));
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.48);
    overflow: hidden;
}

.stripoteka-reader-toolbar {
    position: sticky;
    top: 0;
    z-index: 40;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 23, 42, 0.94);
    backdrop-filter: blur(18px);
}

.stripoteka-reader-btn {
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(2, 6, 23, 0.78);
    padding: 0.62rem 0.85rem;
    color: #e5e7eb;
    font-size: 0.82rem;
    font-weight: 800;
    line-height: 1;
    transition: transform .16s ease, background .16s ease, border-color .16s ease, color .16s ease;
}

.stripoteka-reader-btn:hover,
.stripoteka-reader-btn:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(245, 158, 11, 0.42);
    background: rgba(245, 158, 11, 0.14);
    outline: none;
}

.stripoteka-reader-btn.is-active,
.stripoteka-reader-btn.is-primary {
    border-color: rgba(245, 158, 11, 0.80);
    background: linear-gradient(180deg, #fbbf24, #f59e0b);
    color: #111827;
}

.stripoteka-reader-range {
    width: 100%;
    accent-color: var(--reader-accent);
}

.stripoteka-reader-page-input {
    width: 5.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(2, 6, 23, 0.76);
    color: white;
    padding: 0.5rem 0.65rem;
    font-weight: 800;
}

.stripoteka-reader-stage {
    position: relative;
    min-height: 72vh;
    padding: clamp(14px, 2.6vw, 34px);
    background:
        radial-gradient(circle at 50% 12%, rgba(255,255,255,0.08), transparent 28rem),
        linear-gradient(180deg, rgba(30, 41, 59, 0.72), rgba(2, 6, 23, 0.94));
}

.stripoteka-reader-loading {
    min-height: 56vh;
    display: grid;
    place-items: center;
    border-radius: 24px;
    border: 1px dashed rgba(255, 255, 255, 0.16);
    background: rgba(15, 23, 42, 0.60);
    color: #cbd5e1;
    font-weight: 800;
}

.stripoteka-book-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    min-height: 62vh;
    perspective: 1800px;
    isolation: isolate;
}

.stripoteka-book {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, auto) minmax(0, auto);
    align-items: stretch;
    justify-content: center;
    max-width: 100%;
    border-radius: 12px;
    filter: drop-shadow(0 28px 42px rgba(0,0,0,0.58));
    transform-style: preserve-3d;
    z-index: 2;
}

.stripoteka-turn-preview {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    pointer-events: none;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0 24px 38px rgba(0,0,0,0.46));
}

.stripoteka-book.is-cover {
    grid-template-columns: minmax(0, auto);
}

.stripoteka-book::before {
    content: '';
    position: absolute;
    inset: -18px -22px;
    z-index: -2;
    border-radius: 24px;
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.46), transparent 70%);
}

.stripoteka-book::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    z-index: 5;
    width: 28px;
    transform: translateX(-50%);
    pointer-events: none;
    background: linear-gradient(90deg, rgba(0,0,0,0.22), rgba(255,255,255,0.18), rgba(0,0,0,0.30));
    opacity: 0.75;
}

.stripoteka-book.is-cover::after {
    display: none;
}

.stripoteka-page-shell {
    position: relative;
    overflow: hidden;
    background: var(--reader-paper);
    min-width: 160px;
    border: 1px solid rgba(15, 23, 42, 0.18);
    transform-style: preserve-3d;
    backface-visibility: visible;
    will-change: transform, filter;
    touch-action: pan-y;
}

.stripoteka-page-shell.left {
    border-radius: 12px 0 0 12px;
    transform-origin: right center;
}

.stripoteka-page-shell.right {
    border-radius: 0 12px 12px 0;
    transform-origin: left center;
}

.stripoteka-book.is-cover .stripoteka-page-shell {
    border-radius: 12px;
}

.stripoteka-page-shell::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.stripoteka-page-shell.left::after {
    background: linear-gradient(90deg, transparent 78%, rgba(0,0,0,.16));
}

.stripoteka-page-shell.right::after {
    background: linear-gradient(90deg, rgba(0,0,0,.14), transparent 22%);
}

.stripoteka-page-canvas {
    display: block;
    max-width: 100%;
    background: white;
    cursor: pointer;
    user-select: none;
}

.stripoteka-page-shell.is-curl-source {
    opacity: 0.04;
}

.stripoteka-curl-layer {
    position: absolute;
    z-index: 28;
    pointer-events: none;
    perspective: 2200px;
    transform-style: preserve-3d;
    overflow: visible;
}

.stripoteka-curl-strip {
    position: absolute;
    top: 0;
    bottom: 0;
    background-repeat: no-repeat;
    background-color: #fffdf7;
    transform-style: preserve-3d;
    backface-visibility: visible;
    will-change: transform, filter, opacity;
    box-shadow: inset -10px 0 18px rgba(0,0,0,.12), inset 8px 0 14px rgba(255,255,255,.18);
}

.stripoteka-curl-strip::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: .55;
    background: linear-gradient(90deg, rgba(255,255,255,.30), rgba(0,0,0,.13) 46%, rgba(255,255,255,.26));
    mix-blend-mode: multiply;
}

.stripoteka-curl-layer.curl-next .stripoteka-curl-strip {
    right: auto;
    transform-origin: left center;
    animation: stripotekaSoftCurlNext .78s cubic-bezier(.16,.74,.13,1) forwards;
}

.stripoteka-curl-layer.curl-prev .stripoteka-curl-strip {
    transform-origin: right center;
    animation: stripotekaSoftCurlPrev .78s cubic-bezier(.16,.74,.13,1) forwards;
}

@keyframes stripotekaSoftCurlNext {
    0% { transform: translateX(0) rotateY(0deg) skewY(0deg) scaleY(1); filter: brightness(1); opacity: 1; }
    18% { transform: translateX(-10px) rotateY(-28deg) skewY(-1.8deg) scaleY(1.006); filter: brightness(.99); opacity: 1; }
    42% { transform: translateX(var(--curl-shift-mid-next)) rotateY(-92deg) skewY(var(--curl-skew-mid-next)) scaleY(1.018); filter: brightness(.88); opacity: .96; }
    68% { transform: translateX(var(--curl-shift-deep-next)) rotateY(-148deg) skewY(var(--curl-skew-deep-next)) scaleY(1.008); filter: brightness(.94); opacity: .86; }
    100% { transform: translateX(var(--curl-shift-end-next)) rotateY(-176deg) skewY(0deg) scaleY(1); filter: brightness(1); opacity: 0; }
}

@keyframes stripotekaSoftCurlPrev {
    0% { transform: translateX(0) rotateY(0deg) skewY(0deg) scaleY(1); filter: brightness(1); opacity: 1; }
    18% { transform: translateX(10px) rotateY(28deg) skewY(1.8deg) scaleY(1.006); filter: brightness(.99); opacity: 1; }
    42% { transform: translateX(var(--curl-shift-mid-prev)) rotateY(92deg) skewY(var(--curl-skew-mid-prev)) scaleY(1.018); filter: brightness(.88); opacity: .96; }
    68% { transform: translateX(var(--curl-shift-deep-prev)) rotateY(148deg) skewY(var(--curl-skew-deep-prev)) scaleY(1.008); filter: brightness(.94); opacity: .86; }
    100% { transform: translateX(var(--curl-shift-end-prev)) rotateY(176deg) skewY(0deg) scaleY(1); filter: brightness(1); opacity: 0; }
}

.stripoteka-book.is-turning-next .stripoteka-page-shell.right,
.stripoteka-page-shell.is-turning-next {
    z-index: 20;
    animation: stripotekaTurnNext .72s cubic-bezier(.18,.72,.12,1) forwards;
}

.stripoteka-book.is-turning-prev .stripoteka-page-shell.left,
.stripoteka-page-shell.is-turning-prev {
    z-index: 20;
    animation: stripotekaTurnPrev .72s cubic-bezier(.18,.72,.12,1) forwards;
}

.stripoteka-page-shell.is-dragging {
    z-index: 22;
    transition: none;
    cursor: grabbing;
}

.stripoteka-page-shell.snap-back {
    transition: transform .24s ease-out, filter .24s ease-out;
}

@keyframes stripotekaTurnNext {
    0% { transform: translateX(0) rotateY(0deg); filter: brightness(1); box-shadow: 0 0 0 rgba(0,0,0,0); }
    18% { transform: translateX(-10px) rotateY(-34deg) skewY(-.8deg); filter: brightness(.96); box-shadow: -18px 0 32px rgba(0,0,0,.24); }
    48% { transform: translateX(-38px) rotateY(-104deg) skewY(-1.8deg); filter: brightness(.78); box-shadow: -44px 0 58px rgba(0,0,0,.45); }
    76% { transform: translateX(-18px) rotateY(-158deg) skewY(-.8deg); filter: brightness(.90); box-shadow: -24px 0 42px rgba(0,0,0,.32); }
    100% { transform: translateX(-4px) rotateY(-178deg); filter: brightness(.98); box-shadow: -8px 0 20px rgba(0,0,0,.18); }
}

@keyframes stripotekaTurnPrev {
    0% { transform: translateX(0) rotateY(0deg); filter: brightness(1); box-shadow: 0 0 0 rgba(0,0,0,0); }
    18% { transform: translateX(10px) rotateY(34deg) skewY(.8deg); filter: brightness(.96); box-shadow: 18px 0 32px rgba(0,0,0,.24); }
    48% { transform: translateX(38px) rotateY(104deg) skewY(1.8deg); filter: brightness(.78); box-shadow: 44px 0 58px rgba(0,0,0,.45); }
    76% { transform: translateX(18px) rotateY(158deg) skewY(.8deg); filter: brightness(.90); box-shadow: 24px 0 42px rgba(0,0,0,.32); }
    100% { transform: translateX(4px) rotateY(178deg); filter: brightness(.98); box-shadow: 8px 0 20px rgba(0,0,0,.18); }
}

.stripoteka-reader-arrow {
    position: absolute;
    top: 50%;
    z-index: 15;
    width: 3.2rem;
    height: 3.2rem;
    transform: translateY(-50%);
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(2, 6, 23, 0.70);
    color: white;
    font-size: 2rem;
    line-height: 1;
    box-shadow: 0 18px 38px rgba(0,0,0,.32);
}

.stripoteka-reader-arrow:hover { background: rgba(245, 158, 11, .92); color: #111827; }
.stripoteka-reader-arrow.prev { left: clamp(8px, 2vw, 24px); }
.stripoteka-reader-arrow.next { right: clamp(8px, 2vw, 24px); }

.stripoteka-single-page {
    display: flex;
    min-height: 64vh;
    justify-content: center;
    align-items: flex-start;
}

.stripoteka-scroll-pages {
    display: grid;
    gap: 26px;
}

.stripoteka-scroll-page {
    margin-inline: auto;
    border-radius: 14px;
    background: rgba(15, 23, 42, .82);
    padding: 10px;
    box-shadow: 0 22px 48px rgba(0,0,0,.36);
    border: 1px solid rgba(255,255,255,.08);
}

.stripoteka-scroll-page canvas {
    display: block;
    max-width: 100%;
    background: white;
}

.stripoteka-reader-hint {
    color: #94a3b8;
    font-size: .76rem;
    font-weight: 700;
}

@media (max-width: 900px) {
    .stripoteka-book {
        grid-template-columns: minmax(0, auto);
    }
    .stripoteka-book::after,
    .stripoteka-page-shell.left:not(.mobile-visible) {
        display: none;
    }
    .stripoteka-page-shell.right,
    .stripoteka-page-shell.left {
        border-radius: 12px;
    }
    .stripoteka-reader-arrow {
        width: 2.75rem;
        height: 2.75rem;
        font-size: 1.6rem;
    }
    .stripoteka-reader-stage {
        padding-inline: 8px;
    }
}