/*
 * Puthiya Payanangal past-book library.
 * Public volume/stage cards (user portal) and the PP admin library screens.
 */

/* ---------- Public library ---------- */

.pp-library-band {
    padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.pp-library__header {
    max-width: 46rem;
    margin: 0 auto clamp(1.75rem, 4vw, 2.75rem);
    text-align: center;
}

.pp-library__eyebrow {
    margin-bottom: 0.5rem;
    color: #5b3fc4;
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pp-library__title {
    margin-bottom: 0.6rem;
    font-size: clamp(1.6rem, 3.2vw, 2.25rem);
    font-weight: 760;
}

.pp-library__intro {
    margin: 0 auto;
    color: var(--user-muted, #536c7f);
}

.pp-library__jump {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.pp-library__jump a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-height: 44px;
    padding: 0.45rem 1rem;
    border: 1px solid #d9d0f7;
    border-radius: 999px;
    background: #fff;
    color: #3b2a8a;
    font-weight: 650;
    text-decoration: none;
}

.pp-library__jump a:hover,
.pp-library__jump a:focus-visible {
    border-color: #a996ee;
    background: #f3effe;
}

.pp-library__jump small {
    color: #625a86;
    font-weight: 500;
}

.pp-library__signin {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.25rem;
    padding: 0.85rem 1.1rem;
    border: 1px solid #f0d58f;
    border-radius: 1rem;
    background: #fff8e3;
    color: #6b4a07;
}

.pp-volume {
    margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
    padding: clamp(1rem, 3vw, 1.75rem);
    border: 1px solid var(--user-border, #dce6ed);
    border-radius: 1.5rem;
    background: #fff;
    box-shadow: 0 0.3rem 1rem rgba(8, 59, 92, 0.06);
    scroll-margin-top: calc(var(--site-nav-height, 4.5rem) + 1rem);
}

.pp-volume__header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.pp-volume__number {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    font-size: 1.35rem;
    font-weight: 800;
}

.pp-volume__title {
    margin: 0 0 0.2rem;
    font-size: 1.25rem;
    font-weight: 720;
}

.pp-volume__meta,
.pp-volume__description {
    margin: 0;
    color: var(--user-muted, #536c7f);
    font-size: 0.92rem;
}

.pp-volume__description {
    max-width: 46rem;
    margin-top: 0.4rem;
}

.pp-volume__books {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 13.5rem), 1fr));
    gap: 1.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pp-book-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--user-border, #dce6ed);
    border-radius: 1.1rem;
    background: var(--user-surface-muted, #f8fafc);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pp-book-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 1rem 2rem rgba(60, 40, 140, 0.12);
}

.pp-book-card__cover {
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 210 / 297;
    max-width: 100%;
    padding: 0.85rem;
    background: linear-gradient(160deg, #f3effe 0%, #e8f4fb 100%);
}

.pp-book-card__cover img {
    width: 100%;
    height: 100%;
    border-radius: 0.4rem;
    object-fit: contain;
    filter: drop-shadow(0 0.5rem 0.75rem rgba(16, 47, 70, 0.18));
}

.pp-book-card__placeholder {
    color: #8f7fd6;
    font-size: 3rem;
}

.pp-book-card__stage {
    position: absolute;
    top: 0.65rem;
    left: 0.65rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    background: #3b2a8a;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
}

.pp-book-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 0.3rem;
    padding: 1rem;
}

.pp-book-card__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.pp-book-card__subtitle {
    margin: 0;
    color: var(--user-muted, #536c7f);
    font-size: 0.875rem;
    overflow-wrap: anywhere;
}

.pp-book-card__action {
    margin-top: auto;
    padding-top: 0.6rem;
}

.pp-book-card__action .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 44px;
}

@media (max-width: 575.98px) {
    .pp-volume__books {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.75rem;
    }

    .pp-book-card__body {
        padding: 0.75rem;
    }

    .pp-book-card__action .btn {
        font-size: 0.85rem;
    }
}

/* ---------- PP admin library ---------- */

.pp-stage-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr));
    gap: 1rem;
}

.pp-stage-slot {
    display: flex;
    gap: 0.9rem;
    min-width: 0;
    padding: 0.9rem;
    border: 1px solid #dfe5ec;
    border-radius: 0.85rem;
    background: #fff;
}

.pp-stage-slot--empty {
    align-items: center;
    border-style: dashed;
    background: #f8fafc;
}

.pp-stage-slot__cover {
    display: grid;
    flex: 0 0 4.75rem;
    place-items: center;
    align-self: flex-start;
    aspect-ratio: 210 / 297;
    overflow: hidden;
    border-radius: 0.4rem;
    background: #eef2f6;
    color: #7a8a99;
}

.pp-stage-slot__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pp-stage-slot__body {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
    overflow-wrap: anywhere;
}

.pp-stage-slot__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.25rem;
}

.pp-download-trend {
    display: flex;
    align-items: flex-end;
    gap: 0.3rem;
    height: 6.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pp-download-trend li {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: flex-end;
    min-width: 0;
    height: 100%;
}

.pp-download-trend__bar {
    display: block;
    height: 0;
    min-height: 3px;
    border-radius: 0.3rem 0.3rem 0 0;
    background: #c9d3de;
}

.pp-download-trend__bar[data-level]:not([data-level="0"]) { background: #5b3fc4; }
.pp-download-trend__bar[data-level="1"] { height: 10%; }
.pp-download-trend__bar[data-level="2"] { height: 20%; }
.pp-download-trend__bar[data-level="3"] { height: 30%; }
.pp-download-trend__bar[data-level="4"] { height: 40%; }
.pp-download-trend__bar[data-level="5"] { height: 50%; }
.pp-download-trend__bar[data-level="6"] { height: 60%; }
.pp-download-trend__bar[data-level="7"] { height: 70%; }
.pp-download-trend__bar[data-level="8"] { height: 80%; }
.pp-download-trend__bar[data-level="9"] { height: 90%; }
.pp-download-trend__bar[data-level="10"] { height: 100%; }

.pp-download-trend__axis {
    display: flex;
    justify-content: space-between;
    margin-top: 0.4rem;
    color: #5f6f7e;
    font-size: 0.75rem;
}

@media (prefers-reduced-motion: reduce) {
    .pp-book-card {
        transition: none;
    }

    .pp-book-card:hover {
        transform: none;
    }
}