/**
 * Episode Grid & Card Styles
 * Responsive grid layout for episode thumbnails
 */

/* Grid Layout - Mobile First (2 columns) */
.episode-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 0 12px;
}

@media (min-width: 540px) {
    .episode-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
}

@media (min-width: 768px) {
    .episode-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        padding: 0 24px;
    }
}

@media (min-width: 1024px) {
    .episode-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (min-width: 1400px) {
    .episode-grid {
        grid-template-columns: repeat(6, 1fr);
        max-width: 1600px;
        margin: 0 auto;
    }
}

/* Episode Card */
.ep-card {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
    -webkit-tap-highlight-color: transparent;
}

.ep-card:active {
    transform: scale(0.97);
}

@media (pointer: fine) {
    .ep-card:hover {
        transform: scale(1.05);
        box-shadow: var(--shadow-card);
        z-index: 5;
    }

    .ep-card:hover .ep-play {
        transform: translate(-50%, -50%) scale(1);
    }
}

.ep-card.current {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    box-shadow: 0 0 20px var(--accent-glow);
}

/* Thumbnail Container */
.ep-thumb {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ep-thumb-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.06);
    letter-spacing: 0.05em;
}

/* Episode gradient backgrounds (alternating) */
.ep-card:nth-child(4n+1) .ep-thumb {
    background: linear-gradient(135deg, #1a0f00 0%, #0d0800 100%);
}

.ep-card:nth-child(4n+2) .ep-thumb {
    background: linear-gradient(135deg, #001a10 0%, #000d08 100%);
}

.ep-card:nth-child(4n+3) .ep-thumb {
    background: linear-gradient(135deg, #00101a 0%, #00080d 100%);
}

.ep-card:nth-child(4n+4) .ep-thumb {
    background: linear-gradient(135deg, #10001a 0%, #08000d 100%);
}

/* Thumbnail Image */
.ep-thumb-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--transition-slow) ease, filter var(--transition-slow) ease;
    z-index: 0;
    filter: blur(2px) brightness(0.6);
}

.ep-thumb-img.loaded {
    opacity: 1;
}

/* Episode status-based thumbnail effects */
.ep-card.not-started .ep-thumb-img {
    filter: blur(3px) brightness(0.4) grayscale(0.6);
}

.ep-card.completed .ep-thumb-img {
    filter: blur(2px) brightness(0.5) grayscale(0.5);
}

.ep-card.in-progress .ep-thumb-img {
    filter: blur(1px) brightness(0.75);
}

.ep-card.current .ep-thumb-img {
    filter: blur(0px) brightness(0.85);
}

/* Hover removes blur */
@media (pointer: fine) {
    .ep-card:hover .ep-thumb-img {
        filter: blur(0) brightness(1) grayscale(0) !important;
    }
}

/* Touch devices */
.ep-card:active .ep-thumb-img {
    filter: blur(0) brightness(1) grayscale(0) !important;
}

.ep-thumb.has-thumb .ep-thumb-number {
    opacity: 0;
}

/* Overlay with gradient */
.ep-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 40%, transparent 70%);
    padding: 8px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    z-index: 2;
}

/* Episode number row */
.ep-number-row {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 1px;
}

.ep-number {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Checkmark for completed */
.ep-check {
    width: 14px;
    height: 14px;
    background: var(--success);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ep-check svg {
    width: 8px;
    height: 8px;
    color: #000;
}

/* Episode title */
.ep-title {
    font-size: 0.7rem;
    font-weight: 500;
    line-height: 1.25;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (min-width: 768px) {
    .ep-overlay {
        padding: 10px;
    }

    .ep-number {
        font-size: 0.65rem;
    }

    .ep-title {
        font-size: 0.75rem;
    }

    .ep-check {
        width: 16px;
        height: 16px;
    }

    .ep-check svg {
        width: 9px;
        height: 9px;
    }
}

/* Progress bar on card */
.ep-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 3;
}

.ep-progress-fill {
    height: 100%;
    background: var(--accent);
}

/* Duration badge */
.ep-duration {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(0, 0, 0, 0.75);
    padding: 2px 5px;
    border-radius: var(--radius-sm);
    font-size: 0.6rem;
    font-weight: 500;
    z-index: 3;
}

/* Play button overlay */
.ep-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 44px;
    height: 44px;
    background: rgba(255, 107, 0, 0.95);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal) ease;
    z-index: 4;
}

.ep-play svg {
    width: 18px;
    height: 18px;
    color: #000;
    margin-left: 2px;
}

/* Menu button (3 dots) */
.ep-menu-btn {
    position: absolute;
    top: 6px;
    left: 6px;
    width: 28px;
    height: 28px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-normal) ease, background var(--transition-normal) ease;
    z-index: 5;
    -webkit-tap-highlight-color: transparent;
}

.ep-card:hover .ep-menu-btn,
.ep-card:focus-within .ep-menu-btn {
    opacity: 1;
}

/* Always show on touch devices */
@media (hover: none) {
    .ep-menu-btn {
        opacity: 0.8;
    }
}

.ep-menu-btn:hover {
    background: rgba(0, 0, 0, 0.9);
}

.ep-menu-btn:active {
    transform: scale(0.92);
}

.ep-menu-btn svg {
    width: 16px;
    height: 16px;
    color: #fff;
}