/**
 * Audiobooks Frontend Styles
 * v2 - Netflix-style grid + dedicated player
 */

/* ===== APP CONTAINER ===== */
.fbiz-audiobooks-app {
    min-height: calc(100vh - 200px);
}

/* ===== VIEWS ===== */
.fbiz-ab-view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.fbiz-ab-view.is-active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== NOT RECOGNIZED / EMPTY STATE ===== */
.fbiz-ab-not-recognized,
.fbiz-ab-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
    min-height: 400px;
}

.fbiz-ab-not-recognized-icon,
.fbiz-ab-empty-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface, #f8f9fa);
    border-radius: 50%;
    margin-bottom: 24px;
}

.fbiz-ab-not-recognized-icon svg,
.fbiz-ab-empty-icon svg {
    width: 40px;
    height: 40px;
    color: var(--text-body, #64748b);
}

.fbiz-ab-not-recognized h2,
.fbiz-ab-empty-state h2 {
    font-family: var(--ff-header, 'Poppins', sans-serif);
    font-size: 24px;
    font-weight: 600;
    color: var(--text-title, #111);
    margin: 0 0 12px;
}

.fbiz-ab-not-recognized p,
.fbiz-ab-empty-state p {
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 16px;
    color: var(--text-body, #64748b);
    margin: 0;
    max-width: 400px;
}

/* ===== GRID VIEW (Netflix style) ===== */
.fbiz-ab-view--grid {
    padding: 32px 0;
}

.fbiz-ab-grid-header {
    margin-bottom: 32px;
}

.fbiz-ab-grid-header h1 {
    font-family: var(--ff-header, 'Poppins', sans-serif);
    font-size: clamp(24px, 5vw, 32px);
    font-weight: 600;
    color: var(--text-title, #111);
    margin: 0;
}

.fbiz-ab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 24px;
}

@media (min-width: 640px) {
    .fbiz-ab-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 32px;
    }
}

/* Grid Item */
.fbiz-ab-grid-item {
    display: block;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
    transition: transform 0.2s ease;
}

.fbiz-ab-grid-item:hover {
    transform: scale(1.03);
}

.fbiz-ab-grid-item:active {
    transform: scale(0.98);
}

.fbiz-ab-grid-cover {
    position: relative;
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-surface, #f0f0f1);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    margin-bottom: 12px;
}

.fbiz-ab-grid-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.fbiz-ab-grid-item:hover .fbiz-ab-grid-cover img {
    transform: scale(1.05);
}

.fbiz-ab-grid-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #e0e0e0, #f5f5f5);
}

.fbiz-ab-grid-cover-placeholder svg {
    width: 48px;
    height: 48px;
    color: #bbb;
}

/* Play overlay */
.fbiz-ab-grid-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.fbiz-ab-grid-item:hover .fbiz-ab-grid-play {
    opacity: 1;
}

.fbiz-ab-grid-play svg {
    width: 48px;
    height: 48px;
    color: white;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

.fbiz-ab-grid-info {
    padding: 0 4px;
}

.fbiz-ab-grid-title {
    font-family: var(--ff-header, 'Poppins', sans-serif);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-title, #111);
    margin: 0 0 4px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fbiz-ab-grid-meta {
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 12px;
    color: var(--text-body, #64748b);
}

/* ===== PLAYER VIEW ===== */
.fbiz-ab-view--player.is-active {
    display: flex;
    flex-direction: column;
    padding: 0;
    min-height: calc(100vh - 120px);
}

/* Back button */
.fbiz-ab-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-body, #64748b);
    transition: color 0.2s;
    margin: 16px 0;
}

.fbiz-ab-back:hover {
    color: var(--text-title, #111);
}

.fbiz-ab-back svg {
    width: 20px;
    height: 20px;
}

/* Player Container */
.fbiz-ab-player-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
    padding: 0 24px 48px;
}

/* Player Content (JS generated) */
.fbiz-ab-player-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.fbiz-ab-player-cover {
    width: 100%;
    max-width: 280px;
    aspect-ratio: 1;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    margin-bottom: 24px;
}

.fbiz-ab-player-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fbiz-ab-player-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #e0e0e0, #f5f5f5);
}

.fbiz-ab-player-cover-placeholder svg {
    width: 64px;
    height: 64px;
    color: #bbb;
}

.fbiz-ab-player-info {
    margin-bottom: 32px;
    width: 100%;
}

.fbiz-ab-player-title {
    font-family: var(--ff-header, 'Poppins', sans-serif);
    font-size: clamp(20px, 5vw, 28px);
    font-weight: 700;
    color: var(--text-title, #111);
    margin: 0 0 8px;
}

.fbiz-ab-player-desc {
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 14px;
    color: var(--text-body, #64748b);
    margin: 0;
    line-height: 1.5;
}

/* Player Controls */
.fbiz-ab-player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
}

.fbiz-ab-ctrl-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-title, #111);
    border-radius: 50%;
    transition: color 0.2s, background 0.2s, transform 0.1s;
}

.fbiz-ab-ctrl-btn:hover {
    color: var(--primary, #C42E6F);
    background: rgba(196, 46, 111, 0.1);
}

.fbiz-ab-ctrl-btn:active {
    transform: scale(0.95);
}

.fbiz-ab-ctrl-btn svg {
    width: 28px;
    height: 28px;
}

.fbiz-ab-play-main {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--primary, #C42E6F);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(196, 46, 111, 0.4);
    transition: background 0.2s, transform 0.1s;
}

.fbiz-ab-play-main:hover {
    background: var(--primary-d-2, #a82760);
    transform: scale(1.05);
}

.fbiz-ab-play-main:active {
    transform: scale(0.98);
}

.fbiz-ab-play-main svg {
    width: 32px;
    height: 32px;
}

/* Progress bar */
.fbiz-ab-player-progress {
    width: 100%;
    margin-bottom: 32px;
}

.fbiz-ab-progress-wrap {
    height: 6px;
    background: var(--border-primary, #e5e7eb);
    border-radius: 3px;
    cursor: pointer;
    overflow: hidden;
}

.fbiz-ab-progress-bar {
    height: 100%;
    background: var(--primary, #C42E6F);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
}

.fbiz-ab-time {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 12px;
    color: var(--text-body, #94a3b8);
}

/* Tracklist */
.fbiz-ab-tracklist {
    width: 100%;
    text-align: left;
}

.fbiz-ab-tracklist h3 {
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-body, #64748b);
    margin: 0 0 12px;
}

.fbiz-ab-tracklist ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fbiz-ab-track-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
}

.fbiz-ab-track-item:hover {
    background: var(--bg-surface, #f8f9fa);
}

.fbiz-ab-track-item.active {
    background: rgba(196, 46, 111, 0.1);
}

.fbiz-ab-track-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-surface, #e5e7eb);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-body, #64748b);
    flex-shrink: 0;
}

.fbiz-ab-track-item.active .fbiz-ab-track-num {
    background: var(--primary, #C42E6F);
    color: white;
}

.fbiz-ab-track-title {
    flex: 1;
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 14px;
    color: var(--text-title, #374151);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fbiz-ab-track-item.active .fbiz-ab-track-title {
    color: var(--primary, #C42E6F);
    font-weight: 500;
}

.fbiz-ab-track-dur {
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 12px;
    color: var(--text-body, #94a3b8);
    flex-shrink: 0;
}

/* ===== DARK MODE ===== */
.cf-theme-dark .fbiz-ab-not-recognized-icon,
.cf-theme-dark .fbiz-ab-empty-icon {
    background: rgba(255,255,255,0.05);
}

.cf-theme-dark .fbiz-ab-not-recognized-icon svg,
.cf-theme-dark .fbiz-ab-empty-icon svg {
    color: #94a3b8;
}

.cf-theme-dark .fbiz-ab-not-recognized h2,
.cf-theme-dark .fbiz-ab-empty-state h2,
.cf-theme-dark .fbiz-ab-grid-header h1,
.cf-theme-dark .fbiz-ab-grid-title,
.cf-theme-dark .fbiz-ab-player-title,
.cf-theme-dark .fbiz-ab-track-title {
    color: #f1f5f9;
}

.cf-theme-dark .fbiz-ab-not-recognized p,
.cf-theme-dark .fbiz-ab-empty-state p,
.cf-theme-dark .fbiz-ab-grid-meta,
.cf-theme-dark .fbiz-ab-player-desc {
    color: #94a3b8;
}

.cf-theme-dark .fbiz-ab-grid-cover {
    background: #1e293b;
}

.cf-theme-dark .fbiz-ab-grid-cover-placeholder,
.cf-theme-dark .fbiz-ab-player-cover-placeholder {
    background: linear-gradient(145deg, #1e293b, #334155);
}

.cf-theme-dark .fbiz-ab-back {
    color: #94a3b8;
}

.cf-theme-dark .fbiz-ab-back:hover {
    color: #f1f5f9;
}

.cf-theme-dark .fbiz-ab-progress-wrap {
    background: #334155;
}

.cf-theme-dark .fbiz-ab-ctrl-btn {
    color: #f1f5f9;
}

.cf-theme-dark .fbiz-ab-ctrl-btn:hover {
    background: rgba(255,255,255,0.1);
}

.cf-theme-dark .fbiz-ab-track-item:hover {
    background: rgba(255,255,255,0.05);
}

.cf-theme-dark .fbiz-ab-track-item.active {
    background: rgba(196, 46, 111, 0.15);
}

.cf-theme-dark .fbiz-ab-track-num {
    background: #334155;
    color: #94a3b8;
}

/* ===== MAIN CONTAINER ===== */
.fbiz-ab-main {
    flex: 1;
    padding: 0;
    background: var(--bg-body, #fff);
}

.fbiz-ab-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.cf-theme-dark .fbiz-ab-main {
    background: var(--bg-body, #0f172a);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
    .fbiz-ab-view--grid {
        padding: 24px 0;
    }

    .fbiz-ab-grid-header {
        margin-bottom: 24px;
    }

    .fbiz-ab-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .fbiz-ab-player-container {
        padding: 0 16px 32px;
    }

    .fbiz-ab-player-cover {
        max-width: 220px;
    }

    .fbiz-ab-player-btn--play {
        width: 64px;
        height: 64px;
    }

    .fbiz-ab-player-btn--play svg {
        width: 28px;
        height: 28px;
    }
}

/* ===== RESUME BADGE ===== */
.fbiz-ab-grid-item.has-progress .fbiz-ab-grid-cover::after {
    content: 'Riprendi';
    position: absolute;
    bottom: 8px;
    left: 8px;
    padding: 4px 8px;
    background: var(--primary, #C42E6F);
    color: white;
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-radius: 4px;
}

/* ===== STICKY PLAYER ===== */
.fbiz-ab-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--bg-body, #fff);
    border-top: 1px solid var(--border-primary, #e5e7eb);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.fbiz-ab-sticky-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    max-width: 600px;
    margin: 0 auto;
}

.fbiz-ab-sticky-cover {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-surface, #f5f5f5);
}

.fbiz-ab-sticky-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fbiz-ab-sticky-info {
    flex: 1;
    min-width: 0;
    cursor: pointer;
    padding: 4px 0;
}

.fbiz-ab-sticky-label {
    display: block;
    font-family: var(--ff-sans, 'Inter', sans-serif);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary, #C42E6F);
    margin-bottom: 2px;
}

.fbiz-ab-sticky-title {
    display: block;
    font-family: var(--ff-header, 'Poppins', sans-serif);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-title, #111);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fbiz-ab-sticky-play {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary, #C42E6F);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.15s, background 0.15s;
    box-shadow: 0 2px 8px rgba(196, 46, 111, 0.3);
}

.fbiz-ab-sticky-play:hover {
    background: var(--primary-d-2, #a82760);
    transform: scale(1.05);
}

.fbiz-ab-sticky-play:active {
    transform: scale(0.98);
}

.fbiz-ab-sticky-play svg {
    width: 22px;
    height: 22px;
}

.fbiz-ab-sticky-progress {
    height: 3px;
    background: var(--border-primary, #e5e7eb);
}

.fbiz-ab-sticky-progress-bar {
    height: 100%;
    background: var(--primary, #C42E6F);
    width: 0%;
    transition: width 0.1s linear;
}

/* Sticky player - Dark mode */
.cf-theme-dark .fbiz-ab-sticky {
    background: #1a1a1a;
    border-top-color: #333;
}

.cf-theme-dark .fbiz-ab-sticky-title {
    color: #f1f5f9;
}

.cf-theme-dark .fbiz-ab-sticky-progress {
    background: #333;
}

/* Padding bottom per grid quando sticky player visibile */
.fbiz-ab-view--grid.has-sticky-player {
    padding-bottom: 100px;
}