html {
    scroll-behavior: smooth;
}

body {
    font-family: Inter, "Segoe UI", Tahoma, Arial, sans-serif;
}

html[dir="rtl"] body {
    font-family: "Tahoma", "Segoe UI", Arial, sans-serif;
}

.admin-input {
    width: 100%;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(2, 6, 23, 0.75);
    padding: 0.85rem 1rem;
    color: #fff;
    outline: none;
}

.admin-input::placeholder {
    color: #94a3b8;
}

.admin-input:focus {
    border-color: rgba(255,255,255,0.25);
}

.admin-validation {
    margin-top: 0.35rem;
    display: block;
    color: #fda4af;
    font-size: 0.875rem;
}

.table-card {
    overflow: hidden;
    border-radius: 1.5rem;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(15, 23, 42, 0.8);
}

.reader-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.04);
    padding: 0.7rem 1rem;
    color: #e2e8f0;
    font-size: 0.875rem;
    font-weight: 600;
    transition: 160ms ease;
}

.reader-button:hover:not(:disabled) {
    background: rgba(255,255,255,0.1);
}

.reader-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.reader-button-primary {
    background: rgba(255,255,255,0.95);
    color: #0f172a;
}

.reader-button-primary:hover:not(:disabled) {
    background: #ffffff;
}

.reader-page-input::-webkit-outer-spin-button,
.reader-page-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.reader-page-input[type=number] {
    -moz-appearance: textfield;
}

.reader-viewport {
    min-height: 32rem;
    overflow: auto;
}

.reader-zoom-shell {
    --reader-zoom: 1;
    transform: scale(var(--reader-zoom));
    transform-origin: top center;
    transition: transform 180ms ease;
}

.reader-spread {
    display: grid;
    gap: 1.25rem;
    min-height: 28rem;
}

.reader-spread-single {
    grid-template-columns: minmax(0, 1fr);
    max-width: 34rem;
    margin: 0 auto;
}

.reader-spread-double {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.reader-spread-rtl {
    direction: rtl;
}

.reader-page-card {
    overflow: hidden;
    border-radius: 1.75rem;
    border: 1px solid rgba(255,255,255,0.12);
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(15,23,42,0.35));
    box-shadow: 0 16px 50px rgba(0,0,0,0.35);
}

.reader-page-media {
    background: linear-gradient(180deg, #ffffff, #e2e8f0);
}

.reader-page-image {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: contain;
    background: #fff;
    user-select: none;
}

.reader-page-meta {
    padding: 1rem 1.1rem 1.1rem;
}

.reader-page-number {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
}

.reader-page-caption {
    margin-top: 0.35rem;
    min-height: 1.25rem;
    color: #cbd5e1;
    font-size: 0.8rem;
    line-height: 1.4;
}

.reader-thumb {
    overflow: hidden;
    border-radius: 1.25rem;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.04);
    text-align: start;
    transition: 160ms ease;
}

.reader-thumb:hover {
    border-color: rgba(255,255,255,0.18);
    transform: translateY(-1px);
}

.reader-thumb.is-active {
    border-color: rgba(255,255,255,0.85);
    box-shadow: 0 0 0 1px rgba(255,255,255,0.35) inset;
}

.reader-thumb-image {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    background: #fff;
}

.reader-thumb-label {
    display: block;
    padding: 0.75rem 0.85rem 0.9rem;
    color: #e2e8f0;
    font-size: 0.78rem;
    font-weight: 700;
}

.reader-thumbnails {
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.15) transparent;
}

.reader-thumbnails::-webkit-scrollbar,
.reader-viewport::-webkit-scrollbar {
    width: 0.65rem;
    height: 0.65rem;
}

.reader-thumbnails::-webkit-scrollbar-thumb,
.reader-viewport::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 999px;
}

@media (max-width: 1023.98px) {
    .reader-viewport {
        min-height: 24rem;
    }

    .reader-spread {
        min-height: 20rem;
    }
}