/* ============================================
   Reusable Components
   ============================================ */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 2rem;
    font-family: var(--font-accent);
    font-size: var(--text-sm);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-brand);
    color: var(--color-bg-primary);
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
}

.btn-primary:hover {
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.btn-outline {
    background: transparent;
    color: var(--color-cyan);
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(0, 229, 255, 0.08);
    border-color: var(--color-cyan);
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
}

.btn-ghost {
    background: var(--color-glass-bg);
    color: var(--color-text-primary);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-glass-border);
}

.btn-ghost:hover {
    background: var(--color-glass-bg-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.65rem;
}

.btn-lg {
    padding: 1.1rem 2.75rem;
    font-size: var(--text-sm);
}

.btn .icon {
    width: 18px;
    height: 18px;
}

/* --- Cards --- */
.card {
    background: var(--color-glass-bg);
    backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 229, 255, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), var(--glow-brand);
}

.card-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.card:hover .card-img {
    transform: scale(1.05);
}

.card-body {
    padding: var(--space-lg);
}

.card-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-xs);
}

.card-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* --- Release Card --- */
.release-card {
    position: relative;
    cursor: pointer;
}

.release-card .img-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.release-card .play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 15, 0.5);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.release-card:hover .play-overlay {
    opacity: 1;
}

.play-btn-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-cyan);
    transition: transform var(--transition-spring);
}

.release-card:hover .play-btn-circle {
    transform: scale(1.1);
}

.play-btn-circle svg {
    width: 22px;
    height: 22px;
    fill: var(--color-bg-primary);
    margin-left: 3px;
}

/* --- Badge --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-family: var(--font-accent);
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    background: rgba(0, 229, 255, 0.1);
    color: var(--color-cyan);
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.badge-purple {
    background: rgba(170, 0, 255, 0.1);
    color: var(--color-purple);
    border-color: rgba(170, 0, 255, 0.2);
}

/* --- Social Icons --- */
.social-links {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-glass-bg);
    border: 1px solid var(--color-glass-border);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: rgba(0, 229, 255, 0.1);
    border-color: rgba(0, 229, 255, 0.3);
    box-shadow: var(--glow-cyan);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--color-text-secondary);
    transition: fill var(--transition-fast);
}

.social-link:hover svg {
    fill: var(--color-cyan);
}

/* --- Divider --- */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-glass-border), transparent);
    margin: var(--space-3xl) 0;
}

/* --- Toast Notification --- */
.toast {
    position: fixed;
    bottom: calc(var(--player-height) + 20px);
    right: 20px;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
    z-index: var(--z-toast);
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--transition-base);
    font-size: var(--text-sm);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    border-color: rgba(0, 229, 255, 0.3);
    color: var(--color-cyan);
}

.toast-error {
    border-color: rgba(255, 0, 100, 0.3);
    color: #FF0064;
}