/* ============================================
   CSS VARIABLES - Sizing System
   ============================================ */
:root {
    /* Button Sizes */
    --play-btn-size-mobile: 44px;
    --play-btn-size-tablet: 48px;
    --play-btn-size-desktop: 48px;
    
    --play-icon-size-mobile: 24px;
    --play-icon-size-tablet: 28px;
    --play-icon-size-desktop: 28px;
    
    --control-btn-size-mobile: 40px;
    --control-btn-size-tablet: 44px;
    --control-btn-size-desktop: 44px;
    
    --control-icon-size-mobile: 20px;
    --control-icon-size-tablet: 24px;
    --control-icon-size-desktop: 24px;
    
    --play-pause-btn-size-mobile: 48px;
    --play-pause-btn-size-tablet: 56px;
    --play-pause-btn-size-desktop: 56px;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 40px;
    
    /* Colors */
    --color-primary: #EF7923;
    --color-accent: #7C3AED;
    --color-bg-light: rgba(0, 0, 0, 0.02);
    --color-border: rgba(0, 0, 0, 0.1);
}

/* ============================================
   PODCAST LIST STYLES
   ============================================ */
.podcast-list-container {
    padding: var(--spacing-lg) 0;
}

.podcast-list {
    max-width: 100%;
    margin: 0 auto;
}

.podcast-item {
    margin-bottom: var(--spacing-xl);
}

.podcast-title {
    margin: 0 0 var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.podcast-tracks {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.podcast-track {
    display: flex;
    padding: var(--spacing-sm) 0;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    flex-wrap: wrap;
    align-items: center;
}

.podcast-track:hover {
    background: var(--color-bg-light);
}

.podcast-track.playing {
    background: rgba(239, 121, 35, 0.24);
    border-left: 0px solid #fff;
    padding-left: 11px;
    border-radius: 80px;
}

.podcast-track.playing .track-number {
    opacity: 0.6;
    color: #fff;
}

.podcast-track.playing .track-title {
    color: #fff;
    font-weight: 500;
}

.track-number {
    width: 60px;
    opacity: 0.7;
    text-align: center;
    flex-shrink: 0;
}

.track-title {
    flex: 1;
    margin: 0 var(--spacing-lg);
}

.track-duration {
    margin-right: var(--spacing-lg);
    opacity: 0.8;
    flex-shrink: 0;
}

/* ============================================
   PLAY BUTTON STYLES
   ============================================ */
.play-btn {
    width: var(--play-btn-size-desktop);
    height: var(--play-btn-size-desktop);
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
    transition: transform 0.2s ease, background 0.2s ease;
    border-radius: 50%;
    flex-shrink: 0;
}

.play-btn:hover {
    transform: scale(1.08);
    background: rgba(139, 92, 246, 0.1);
}

.play-btn svg {
    width: var(--play-icon-size-desktop);
    height: var(--play-icon-size-desktop);
    fill: currentColor;
    opacity: 0.85;
    transition: opacity 0.2s ease, fill 0.2s ease;
}

.podcast-track.playing .play-btn svg {
    fill: #fff;
    opacity: 1;
}

.play-btn .pause-icon {
    width: var(--play-icon-size-desktop);
    height: var(--play-icon-size-desktop);
}

/* ============================================
   MAIN PODCAST STYLES
   ============================================ */
.main-podcast-container {
    margin: var(--spacing-lg) 0;
}

.main-podcast {
    max-width: 100%;
    margin: 0 auto;
}

.main-podcast-track {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.main-podcast-track:hover {
    background: var(--color-bg-light);
}

.main-podcast-track.playing {
    background: rgba(139, 92, 246, 0.1);
    border-left: 4px solid var(--color-primary);
    padding-left: 11px;
}

.main-podcast-track.playing .track-title {
    color: var(--color-primary);
    font-weight: 500;
}

.main-podcast-track .track-title {
    flex: 1;
    margin-right: var(--spacing-lg);
}

.main-podcast-track .track-duration {
    margin-right: var(--spacing-lg);
    opacity: 0.8;
    flex-shrink: 0;
}

.main-podcast-track .play-btn {
    width: var(--play-btn-size-desktop);
    height: var(--play-btn-size-desktop);
}

.main-podcast-track .play-btn svg {
    width: var(--play-icon-size-desktop);
    height: var(--play-icon-size-desktop);
}

.main-podcast-track.playing .play-btn svg {
    fill: var(--color-primary);
    opacity: 1;
}

.main-podcast-track .play-btn .pause-icon {
    width: var(--play-icon-size-desktop);
    height: var(--play-icon-size-desktop);
}

/* ============================================
   AUDIO PLAYER STYLES
   ============================================ */
.podcast-player {
    position: fixed;
    bottom: -200px;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    transition: bottom 0.3s ease;
    z-index: 9999;
    visibility: hidden;
}

.podcast-player.active {
    bottom: 0;
    visibility: visible;
}

.player-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr auto 2fr auto auto;
    align-items: center;
    gap: var(--spacing-lg);
}

.player-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 0;
}

.player-thumbnail {
    width: 50px;
    height: 50px;
    border-radius: 4px;
    object-fit: cover;
    flex-shrink: 0;
}

.player-text {
    overflow: hidden;
    min-width: 0;
}

.player-track-title {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.player-post-title {
    opacity: 0.7;
    font-size: 0.9em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.control-btn {
    width: var(--control-btn-size-desktop);
    height: var(--control-btn-size-desktop);
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease, background 0.2s ease;
    border-radius: 50%;
    flex-shrink: 0;
}

.control-btn:hover {
    opacity: 0.7;
    background: rgba(0, 0, 0, 0.05);
}

.play-pause-btn {
    width: var(--play-pause-btn-size-desktop);
    height: var(--play-pause-btn-size-desktop);
    background: var(--color-primary);
    color: white;
}

.play-pause-btn:hover {
    background: var(--color-accent);
    opacity: 1;
}

.control-btn svg {
    width: var(--control-icon-size-desktop);
    height: var(--control-icon-size-desktop);
    fill: currentColor;
}

.play-pause-btn svg {
    width: calc(var(--control-icon-size-desktop) - 4px);
    height: calc(var(--control-icon-size-desktop) - 4px);
}

.player-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 0;
}

.time-current,
.time-total {
    font-size: 0.85em;
    opacity: 0.8;
    min-width: 40px;
    text-align: center;
    flex-shrink: 0;
}

.progress-bar {
    flex: 1;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
    min-width: 100px;
}

.progress-track {
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 20px;
}

.progress-filled {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
}

.progress-handle {
    position: absolute;
    top: -6px;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border: 2px solid white;
    border-radius: 50%;
    left: 0%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.progress-bar:hover .progress-handle {
    opacity: 1;
}

.player-volume {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 120px;
}

.volume-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.volume-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.volume-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    opacity: 0.8;
}

.volume-slider {
    width: 70px;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.volume-track {
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 20px;
}

.volume-filled {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    width: 100%;
}

.volume-handle {
    position: absolute;
    top: -6px;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border: 2px solid white;
    border-radius: 50%;
    left: 100%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.volume-slider:hover .volume-handle {
    opacity: 1;
}

.close-player {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    opacity: 0.6;
    flex-shrink: 0;
}

.close-player:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.05);
}

.close-player svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* ============================================
   TABLET RESPONSIVE (768px and below)
   ============================================ */
@media (max-width: 768px) {
    :root {
        --play-btn-size-desktop: var(--play-btn-size-tablet);
        --play-icon-size-desktop: var(--play-icon-size-tablet);
        --control-btn-size-desktop: var(--control-btn-size-tablet);
        --control-icon-size-desktop: var(--control-icon-size-tablet);
        --play-pause-btn-size-desktop: var(--play-pause-btn-size-tablet);
    }

    .podcast-title {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .player-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .player-info {
        grid-row: 1;
        justify-self: center;
    }

    .player-progress {
        grid-row: 2;
        order: 2;
        width: 100%;
    }

    .player-controls {
        grid-row: 3;
        justify-self: center;
    }

    .player-volume {
        display: none;
    }

    .close-player {
        position: absolute;
        top: 10px;
        right: 10px;
        grid-row: unset;
    }

    .podcast-player {
        bottom: -180px;
    }

    .podcast-player.active {
        bottom: 0;
    }

    .progress-bar {
        min-width: 200px;
    }
}

/* ============================================
   MOBILE RESPONSIVE (480px and below)
   ============================================ */
@media (max-width: 480px) {
    :root {
        --play-btn-size-desktop: var(--play-btn-size-mobile);
        --play-icon-size-desktop: var(--play-icon-size-mobile);
        --control-btn-size-desktop: var(--control-btn-size-mobile);
        --control-icon-size-desktop: var(--control-icon-size-mobile);
        --play-pause-btn-size-desktop: var(--play-pause-btn-size-mobile);
        
        --spacing-lg: 15px;
    }

    .track-title {
        font-size: 0.95em;
    }

    .player-thumbnail {
        width: 40px;
        height: 40px;
    }

    .player-track-title {
        font-size: 0.9em;
    }

    .player-post-title {
        font-size: 0.8em;
    }

    .progress-bar {
        min-width: 150px;
    }

    .player-container {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .podcast-player {
        bottom: -160px;
    }
}

/* ============================================
   EXTRA SMALL SCREENS (below 360px)
   ============================================ */
@media (max-width: 360px) {
    :root {
        --spacing-lg: 12px;
        --spacing-md: 12px;
    }

    .track-title {
        margin: 0 var(--spacing-sm);
    }

    .player-info {
        gap: var(--spacing-xs);
    }

    .progress-bar {
        min-width: 120px;
    }
}