/* CSS Variables for theme */
@media (prefers-color-scheme: light) {
    :root {
        --card-bg: #ffffff;
        --card-text: #212121;
        --card-secondary: #757575;
        --divider: #e0e0e0;
        --hover-bg: #f5f5f5;
        --player-controls: #616161;
        --waveform-bg: rgba(0,0,0,0.1);
        --waveform-color: #4F4A85;
        --waveform-progress: #383351;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --card-bg: #1e1e1e;
        --card-text: #e0e0e0;
        --card-secondary: #b0b0b0;
        --divider: #404040;
        --hover-bg: #2a2a2a;
        --player-controls: #b0b0b0;
        --waveform-bg: rgba(255,255,255,0.1);
        --waveform-color: #9C8EFF;
        --waveform-progress: #6B5BFF;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    background-color: #CDBBAB;
}

body {
    width: 100%;
    height: 100dvh;
    margin: 0;
    padding: 16px;
    background-image: url('../images/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-image 0.6s ease-in;
    box-sizing: border-box;
    overflow: hidden;
}

/* Loading animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Player loading state */
.player-loading {
    padding: 40px 20px;
    text-align: center;
}

.loading-content {
    max-width: 300px;
    margin: 0 auto;
}

/* Audio controls styling */
.audio-controls {
    margin-top: 16px;
}

/* Light mode: black button with white icon */
@media (prefers-color-scheme: light) {
    .control-btn {
        background: #212121;
        border: 1px solid #212121;
        color: #ffffff;
    }
}

/* Dark mode: white button with black icon */
@media (prefers-color-scheme: dark) {
    .control-btn {
        background: #ffffff;
        border: 1px solid #ffffff;
        color: #000000;
    }
}

.control-btn {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s ease;
    opacity: 0.8;
}

.control-btn:hover {
    opacity: 1;
    transform: scale(1.05);
}

.control-btn:active {
    transform: scale(0.95);
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Volume and speed controls */
.volume-control input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: var(--divider);
    height: 4px;
    border-radius: 2px;
    outline: none;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--waveform-progress);
    cursor: pointer;
}

.volume-control input[type="range"]::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--waveform-progress);
    cursor: pointer;
    border: none;
}

/* Recommended episode highlighting */
.episode-item.recommended {
    border-left: 4px solid var(--waveform-color, #4F4A85);
    background-color: rgba(79, 74, 133, 0.1);
    position: relative;
}

/* Material Design Card */
.podcast-card {
    width: 100%;
    max-width: 800px;
    max-height: 95vh;
    color: var(--card-text);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    z-index: 10;
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

@media (prefers-color-scheme: light) {
    .podcast-card {
        background-color: rgba(255, 255, 255, 0.75);
    }
}

@media (prefers-color-scheme: dark) {
    .podcast-card {
        background-color: rgba(30, 30, 30, 0.75);
    }
}

/* Card Header */
.card-header {
    padding: 24px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-logo {
    max-width: 100%;
    height: auto;
    max-height: 80px;
}

/* Light mode: show light logo, hide dark logo */
@media (prefers-color-scheme: light) {
    #logo-light {
        display: block;
    }
    #logo-dark {
        display: none;
    }
}

/* Dark mode: show dark logo, hide light logo */
@media (prefers-color-scheme: dark) {
    #logo-light {
        display: none;
    }
    #logo-dark {
        display: block;
    }
}

.card-header h1 {
    font-size: 28px;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin: 0;
}

.divider {
    border: none;
    height: 1px;
    background-color: var(--divider);
    margin: 0;
}

/* Player Section */
.player-section {
    padding: 24px;
    border-bottom: 1px solid var(--divider);
    flex-shrink: 0;
}

/* Audio Player Styling */
#audio-player {
    width: 100%;
    height: 40px;
    border-radius: 8px;
    background: var(--hover-bg);
}

/* Light mode audio player */
@media (prefers-color-scheme: light) {
    #audio-player {
        accent-color: #4F4A85;
    }

    #audio-player::-webkit-media-controls-panel {
        background-color: #f5f5f5;
    }

    #audio-player::-webkit-media-controls-mute-button,
    #audio-player::-webkit-media-controls-play-button,
    #audio-player::-webkit-media-controls-volume-slider {
        filter: invert(0);
    }
}

/* Dark mode audio player */
@media (prefers-color-scheme: dark) {
    #audio-player {
        accent-color: #9C8EFF;
    }

    #audio-player::-webkit-media-controls-panel {
        background-color: #2a2a2a;
    }
}

/* General audio player controls styling */
#audio-player::-webkit-media-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#audio-player::-webkit-media-controls-enclosure {
    width: 100%;
    max-width: 100%;
    text-indent: 0;
}

#audio-player::-webkit-media-controls-time-display-container {
    color: var(--card-text);
    font-size: 12px;
}

#audio-player::-webkit-media-controls-current-time-display,
#audio-player::-webkit-media-controls-time-remaining-display {
    color: var(--card-secondary);
}

/* Firefox audio player */
#audio-player {
    color: var(--card-text);
}

.now-playing {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.now-playing img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
    background-color: var(--hover-bg);
}

.now-playing-info {
    flex: 1;
}

#player-title {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: 4px;
}

#player-episode {
    font-size: 14px;
    color: var(--card-secondary);
}

#audio-player {
    width: 100%;
    margin-top: 16px;
}

/* Episodes List */
.episodes-list {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.episode-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 24px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid var(--divider);
}

.episode-item:hover {
    background-color: var(--hover-bg);
}

/* Active episode (now playing) styling */
.episode-item.active {
    border-left: 4px solid #22b14c;
    background-color: rgba(34, 177, 76, 0.25);
    position: relative;
}

.episode-item.active .episode-info {
    position: relative;
}



.episode-thumbnail {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.episode-info {
    flex: 1;
    min-width: 0;
}

.episode-title {
    font-size: 15px;
    font-weight: 500;
    line-height: 1.4;
    word-break: break-word;
}

.episode-meta {
    font-size: 13px;
    color: var(--card-secondary);
    margin-top: 4px;
}

/* Light mode: black button with white icon */
@media (prefers-color-scheme: light) {
    .play-btn {
        background: #212121;
        border: 1px solid #212121;
        color: #ffffff;
    }
}

/* Dark mode: white button with black icon */
@media (prefers-color-scheme: dark) {
    .play-btn {
        background: #ffffff;
        border: 1px solid #ffffff;
        color: #000000;
    }
}

.play-btn {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, transform 0.1s ease, opacity 0.2s ease;
    opacity: 0.8;
}

.play-btn:hover {
    opacity: 1;
    transform: scale(1.05);
}

.play-btn:active {
    transform: scale(0.95);
    opacity: 0.9;
}

/* Scrollbar styling */
.episodes-list::-webkit-scrollbar {
    width: 8px;
}

.episodes-list::-webkit-scrollbar-track {
    background: transparent;
}

.episodes-list::-webkit-scrollbar-thumb {
    background-color: var(--divider);
    border-radius: 4px;
}

.episodes-list::-webkit-scrollbar-thumb:hover {
    background-color: var(--card-secondary);
}

/* Footer */
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-top: 1px solid var(--divider);
    font-size: 12px;
    color: var(--card-secondary);
    font-weight: bold;
    flex-shrink: 0;
}

.footer-left {
    flex: 1;
}

.footer-right {
    flex: 1;
    text-align: right;
}

.footer-copyright {
    color: var(--card-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-copyright:hover {
    color: var(--card-text);
}

.footer-copyright:visited {
    color: var(--card-secondary);
}

.footer-copyright:active {
    color: var(--card-secondary);
}

.footer-email {
    color: var(--card-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-email:hover {
    color: var(--card-text);
}

.footer-email:visited {
    color: var(--card-secondary);
}

.footer-email:active {
    color: var(--card-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 0;
        align-items: stretch;
        justify-content: stretch;
        height: 100dvh;
    }

    .podcast-card {
        max-width: 100%;
        width: 100%;
        height: 100dvh;
        border-radius: 0;
        box-shadow: none;
    }

    .card-header {
        padding: 16px;
    }

    .card-logo {
        max-height: 70px;
    }

    .card-header h1 {
        font-size: 24px;
    }

    .player-section {
        padding: 16px;
    }

    .now-playing img {
        width: 64px;
        height: 64px;
    }

    .episode-item {
        padding: 10px 16px;
        gap: 12px;
    }

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

    .episode-title {
        font-size: 14px;
    }

    .episode-meta {
        font-size: 12px;
    }

    .card-footer {
        padding: 12px 16px;
        font-size: 11px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .footer-right {
        text-align: left;
    }

}

@media (max-width: 480px) {
    body {
        padding: 0;
        align-items: stretch;
        justify-content: stretch;
        height: 100dvh;
    }

    .podcast-card {
        height: 100dvh;
        border-radius: 0;
        box-shadow: none;
    }

    .card-header {
        padding: 12px;
    }

    .card-logo {
        max-height: 60px;
    }

    .card-header h1 {
        font-size: 20px;
    }

    .player-section {
        padding: 12px;
    }

    .now-playing {
        gap: 12px;
    }

    .now-playing img {
        width: 56px;
        height: 56px;
    }

    .episode-item {
        padding: 8px 12px;
        gap: 10px;
    }

    .episode-thumbnail {
        width: 36px;
        height: 36px;
    }

    .episode-title {
        font-size: 13px;
    }

    .episode-meta {
        font-size: 11px;
    }

    #player-title {
        font-size: 14px;
    }

    #player-episode {
        font-size: 12px;
    }

    .card-footer {
        padding: 10px 12px;
        font-size: 10px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .footer-right {
        text-align: left;
    }

}