/**
 * BlazinStreetz Card Component System - BEM Architecture
 * Phase 2 Componentization - BSAPP-517
 *
 * Used in: All grid layouts (songs, videos, mixtapes, artists)
 * Replaces: ~900 lines of duplicated card styles
 *
 * @version 6.0.4
 * @author Chief Architect
 */

/* ===========================
   Base Card Component
   =========================== */

.bs-card {
    background-color: var(--bs-background-secondary, var(--background-light));
    border-radius: var(--bs-card-radius);
    overflow: hidden;
    transition: var(--bs-card-transition);
    cursor: pointer;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Hover state */
.bs-card:hover {
    transform: translateY(var(--bs-card-hover-translate));
    box-shadow: var(--bs-card-shadow-hover);
}

/* ===========================
   Card Image/Media Section
   =========================== */

.bs-card__image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: var(--bs-aspect-video); /* Default 16:9 */
    overflow: hidden;
    background-color: var(--bs-background-tertiary, #000);
}

.bs-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--bs-transition-base);
}

.bs-card:hover .bs-card__image {
    transform: scale(1.08);
}

/* ===========================
   Card Content Section
   =========================== */

.bs-card__content {
    padding: var(--bs-spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    position: relative; /* BSAPP-905: anchor for track-more-btn */
}

.bs-card__title {
    font-size: var(--bs-font-size-base);
    font-weight: 400;
    line-height: var(--bs-line-height-tight);
    margin-bottom: var(--bs-spacing-sm);
    color: var(--bs-text-primary, var(--text));
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bs-card__subtitle {
    font-size: var(--bs-font-size-sm);
    color: var(--bs-text-secondary, var(--text-muted));
    line-height: var(--bs-line-height-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--bs-spacing-sm);
}

/* BSAPP-905/912: Only reserve kebab clearance when menu exists */
.bs-card:has(.track-more-btn) .bs-card__title,
.bs-card:has(.track-more-btn) .bs-card__subtitle {
    padding-right: 28px;
}

/* BSAPP-905: Three-dot menu button inside grid cards */
.bs-card .track-more-btn {
    position: absolute;
    top: var(--bs-spacing-md);
    right: var(--bs-spacing-sm);
}

.bs-card__meta {
    display: flex;
    align-items: center;
    gap: var(--bs-spacing-md);
    margin-top: auto;
    font-size: var(--bs-font-size-xs);
    color: var(--bs-text-secondary);
}

.bs-card__meta-item {
    display: flex;
    align-items: center;
    gap: var(--bs-spacing-xs);
}

.bs-card__meta-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

/* ===========================
   Card Overlay (for hover)
   =========================== */

.bs-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bs-overlay-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--bs-transition-base);
    pointer-events: none;
}

.bs-card__play-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--bs-text-accent, var(--accent-color));
    border: 3px solid white;
    color: white;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0);
    transition: transform var(--bs-transition-base);
}

/* Desktop hover behavior - only on devices with hover capability */
@media (hover: hover) {
    .bs-card:hover .bs-card__overlay {
        opacity: 1;
    }

    .bs-card:hover .bs-card__play-btn {
        transform: scale(1);
    }
}

/* ===========================
   Card Badge System
   =========================== */

.bs-card__badges {
    position: absolute;
    top: var(--bs-spacing-sm);
    right: var(--bs-spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--bs-spacing-xs);
    z-index: 2;
}

.bs-card__badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: var(--bs-font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
}

.bs-card__badge--explicit {
    background-color: var(--bs-badge-explicit);
}

.bs-card__badge--clean {
    background-color: var(--bs-badge-clean);
}

.bs-card__badge--featured {
    background-color: var(--bs-text-accent);
}

.bs-card__badge--ec {
    background-color: gold;
    color: black;
}

/* ===========================
   Card Modifiers
   =========================== */


.bs-card--song .bs-card__image-wrapper {
    aspect-ratio: 16/9;
}

/* Video card modifier */
.bs-card--video {
    /* Videos use default 16:9 aspect ratio */
}

/* Removed video play button override - unified appearance across all card types */

/* Mixtape card modifier */

.bs-card--mixtape .bs-card__image-wrapper {
    aspect-ratio: 1;
}

.bs-card--mixtape .bs-card__image-wrapper img {
    width: 100%;
}

/* Artist card modifier */
.bs-card--artist .bs-card__image-wrapper {
    aspect-ratio: 16/9;
}

/* News card modifier */
.bs-card--news .bs-card__image-wrapper {
    aspect-ratio: 16/9;
}

.bs-card__date {
    color: var(--bs-text-secondary, var(--text-muted));
    font-size: var(--bs-font-size-xs);
}

.bs-card__badge--category {
    background-color: var(--bs-text-accent, var(--accent-color));
}

.bs-card__badge--source {
    background-color: transparent;
    color: var(--bs-text-secondary, #b3b3b3);
    border: 1px solid var(--bs-text-secondary, #b3b3b3);
    font-weight: 400;
    font-style: italic;
}


/* Clip card modifier */
.bs-card--clip .bs-card__image-wrapper {
    aspect-ratio: 16/9;
}

/* Featured modifier */
.bs-card--featured {
    border: 2px solid var(--bs-text-accent);
}

/* Loading state modifier */
.bs-card--loading {
    pointer-events: none;
    opacity: 0.6;
}

.bs-card--loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid transparent;
    border-top-color: var(--bs-text-accent);
    border-radius: 50%;
    animation: bs-card-spin 0.8s linear infinite;
}

/* ===========================
   Responsive: Tablet
   =========================== */

@media (min-width: 577px) and (max-width: 991px) {
    .bs-card__content {
        padding: var(--bs-spacing-sm);
    }

    .bs-card__title {
        font-size: var(--bs-font-size-sm);
    }

    .bs-card__subtitle {
        font-size: var(--bs-font-size-xs);
    }

    .bs-card__play-btn {
        display: none;
    }

    .bs-card__overlay {
        display: none;
    }

    /* News/Clips: ensure 2-line titles on tablet */
    .bs-card--news .bs-card__title { -webkit-line-clamp: 2; }
    .bs-card--clip .bs-card__title { -webkit-line-clamp: 2; }
}

/* ===========================
   Responsive: Mobile
   =========================== */

@media (max-width: 576px) {
    .bs-card__content {
        padding: 12px;
    }

    .bs-card__title {
        font-size: var(--bs-font-size-sm);
        -webkit-line-clamp: 1;
    }

    .bs-card__subtitle {
        font-size: var(--bs-font-size-xs);
        -webkit-line-clamp: 1;
    }

    .bs-card__meta {
        display: none; /* Hide meta info on mobile */
    }

    .bs-card__play-btn {
        display: none;
    }

    .bs-card__badge {
        padding: 2px 6px;
        font-size: 10px;
    }

    .bs-card__overlay {
        display: none;
    }

    /* News: 3-line title + visible date on mobile */
    .bs-card--news .bs-card__title {
        -webkit-line-clamp: 3;
    }
    .bs-card--news .bs-card__meta {
        display: flex;
    }

    /* Clips: 3-line title + visible date on mobile */
    .bs-card--clip .bs-card__title {
        -webkit-line-clamp: 3;
    }
    .bs-card--clip .bs-card__meta {
        display: flex;
    }
}

/* ===========================
   Touch Device Optimizations
   =========================== */

@media (hover: none) {
    /* Mobile/touch behavior - completely remove overlay to prevent touch conflicts */
    .bs-card__overlay {
        display: none !important;
    }

    .bs-card__play-btn {
        display: none !important;
    }

    /* Active state for touch feedback */
    .bs-card:active {
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }
}

/* ===========================
   Grid Container Support
   =========================== */

/* When used in grid layouts */
.content-grid .bs-card {
    height: 100%;
}

.content-grid--songs .bs-card {
    /* Song-specific grid adjustments */
}

.content-grid--videos .bs-card {
    /* Video-specific grid adjustments */
}

.content-grid--mixtapes .bs-card {
    /* Mixtape-specific grid adjustments */
}

.content-grid--artists .bs-card {
    /* Artist-specific grid adjustments */
}

.content-grid--news .bs-card {
    /* News-specific grid adjustments */
}

.content-grid--clips .bs-card {
    /* Clip-specific grid adjustments */
}

/* ===========================
   Animation Utilities
   =========================== */

@keyframes bs-card-spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes bs-card-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bs-card--animate {
    animation: bs-card-fade-in 0.4s ease forwards;
}

/* Stagger animation for grid layouts */
.bs-card--animate:nth-child(1) { animation-delay: 0.05s; }
.bs-card--animate:nth-child(2) { animation-delay: 0.1s; }
.bs-card--animate:nth-child(3) { animation-delay: 0.15s; }
.bs-card--animate:nth-child(4) { animation-delay: 0.2s; }
.bs-card--animate:nth-child(5) { animation-delay: 0.25s; }
.bs-card--animate:nth-child(6) { animation-delay: 0.3s; }

/* ===========================
   Accessibility
   =========================== */

.bs-card:focus {
    outline: 2px solid var(--bs-text-accent);
    outline-offset: 2px;
}

.bs-card:focus:not(:focus-visible) {
    outline: none;
}

/* Screen reader only text */
.bs-card__sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .bs-card,
    .bs-card__image,
    .bs-card__overlay,
    .bs-card__play-btn {
        transition: none;
    }

    .bs-card--animate {
        animation: none;
    }

    .bs-card--loading::after {
        animation: bs-card-spin 2s linear infinite;
    }
}

/* ===========================
   Print Styles
   =========================== */

@media print {
    .bs-card__overlay,
    .bs-card__play-btn {
        display: none !important;
    }

    .bs-card {
        box-shadow: none;
        page-break-inside: avoid;
    }

    .bs-card__badges {
        position: static;
        margin-bottom: var(--bs-spacing-sm);
    }
}