/* Sticky Radio Player */
.radio-player-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-index-sticky);
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.radio-player-sticky.active {
    transform: translateY(0);
}

.radio-player-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    gap: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

/* Player Info */
.radio-player-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
    min-width: 0;
}

.radio-player-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-white);
    flex-shrink: 0;
    display: none;
}

@media (min-width: 640px) {
    .radio-player-logo {
        display: block;
    }
}

.radio-player-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.radio-player-details {
    flex: 1;
    min-width: 0;
}

.radio-player-station-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.radio-player-song {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

/* Player Controls */
.radio-player-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.radio-player-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    border-radius: 50%;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.radio-player-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.radio-player-play-pause {
    width: 40px;
    height: 40px;
    background-color: var(--color-secondary);
}

.radio-player-play-pause:hover {
    background-color: var(--color-secondary-dark);
}

.radio-player-play-pause.playing .play-icon {
    display: none;
}

.radio-player-play-pause.playing .pause-icon {
    display: block !important;
}

.radio-player-prev,
.radio-player-next {
    display: none;
}

@media (min-width: 640px) {
    .radio-player-prev,
    .radio-player-next {
        display: flex;
    }
}

/* Volume Control */
.radio-player-volume {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
}

@media (min-width: 768px) {
    .radio-player-volume {
        display: flex;
    }
}

.radio-player-volume-btn.muted .volume-on-icon {
    display: none;
}

.radio-player-volume-btn.muted .volume-off-icon {
    display: block !important;
}

.radio-player-volume-slider {
    width: 100px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    outline: none;
    cursor: pointer;
}

.radio-player-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.radio-player-volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.radio-player-volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

.radio-player-volume-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* Close Button */
.radio-player-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    border-radius: 50%;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.radio-player-close:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Loading Indicator */
.radio-player-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Adjustments */
@media (max-width: 480px) {
    .radio-player-content {
        padding: var(--spacing-sm) var(--spacing-md);
        gap: var(--spacing-md);
    }

    .radio-player-btn {
        width: 36px;
        height: 36px;
    }

    .radio-player-play-pause {
        width: 44px;
        height: 44px;
    }

    .radio-player-station-name {
        font-size: var(--font-size-sm);
    }

    .radio-player-song {
        font-size: var(--font-size-xs);
    }
}