:root {
    --primary-bg: #121212;
    --secondary-bg: #181818;
    --card-bg: #282828;
    --text-primary: #FFFFFF;
    --text-secondary: #b3b3b3;
    --accent-color: #1DB954;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    margin: 0;
    padding-bottom: 100px;
}

header {
    background-color: var(--secondary-bg);
    padding: 2px;
    border-bottom: 1px solid #282828;
    text-align: center; 
}

main#channel-container {
    padding: 0 1.5rem;
}

.genre-section h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

/* Horizontal scrolling channel grid */
.channel-grid {
    display: flex;
    overflow-x: auto;
    gap: 1rem;
    padding-bottom: 0.5rem;
    scroll-behavior: smooth;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE 10+ */
    -webkit-overflow-scrolling: touch; /* iOS smooth scroll */
}
.channel-grid::-webkit-scrollbar {
    display: none;
}

.channel-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: 140px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.channel-card:hover {
    background-color: #3a3a3a;
}

.channel-card img {
    width: 120px;
    height: 120px;
    border-radius: 4px;
    object-fit: contain;
    background-color: #3a3a3a;
}

.channel-card p {
    margin: 0.8rem 0 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.error {
    color: #ff4d4d;
}

.img-error {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b3b3b3' stroke-width='2'%3e%3cpath d='M9 18V5l12-2v13'/%3e%3ccircle cx='6' cy='18' r='3'/%3e%3ccircle cx='18' cy='16' r='3'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 45%;
}

/* Player Styles */
#player {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 90px;
    background-color: var(--secondary-bg);
    border-top: 1px solid #282828;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    box-sizing: border-box;
}

#player-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
}

#player-logo {
    width: 60px;
    height: 60px;
    border-radius: 4px;
    object-fit: contain;
    background-color: #3a3a3a;
    flex-shrink: 0;
}

#player-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

#player-title {
    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#player-artist {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#channel-title {
    font-size: 0.65rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#player-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem;
}

#play-pause-btn {
    background: var(--text-primary);
    color: var(--primary-bg);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: transform 0.2s ease;
    padding: 0.5rem;
}

#play-pause-btn:hover {
    transform: scale(1.1);
}

#play-pause-btn svg {
    width: 24px;
    height: 24px;
}

#favorite-btn {
    background: var(--text-primary);
    color: var(--primary-bg);
    border: none;
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0.5rem;
}

#favorite-btn:hover {
    transform: scale(1.05);
    background-color: #f0f0f0;
}

#favorite-btn.favorited {
    background-color: #ff6b6b;
    color: white;
}

#favorite-btn svg {
    width: 16px;
    height: 16px;
}

#volume-slider {
    width: 100px;
    accent-color: var(--accent-color);
    cursor: pointer;
    background: transparent;
    padding: 0.25rem;
}

#audio-player {
    display: none;
}

/* Genre tabs container and buttons */
.genre-tab-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0 1.5rem 1rem;
}

#genre-tabs {
    display: flex;
    gap: 0.5rem;
    padding: 5px 0;
    overflow-x: auto;
    border-bottom: 1px solid #333;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
    -webkit-overflow-scrolling: touch;
}

#genre-tabs::-webkit-scrollbar {
    display: none;
}

.genre-tab {
    background: var(--card-bg);
    color: var(--text-secondary);
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 9999px;
    white-space: nowrap;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.genre-tab:hover {
    background-color: #3a3a3a;
    color: var(--text-primary);
}

.genre-tab.active {
    color: var(--primary-bg);
    background-color: var(--accent-color);
    font-weight: 600;
}

/* Genre tab scroll buttons */
.tab-scroll-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: color 0.2s ease;
}

.tab-scroll-btn:hover {
    color: var(--text-primary);
}

/* Channel scroll wrapper & scroll buttons */
.channel-scroll-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.channel-scroll-btn {
    background: var(--secondary-bg);
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    transition: color 0.2s ease;
    user-select: none;
    flex-shrink: 0;
    border-radius: 4px;
    margin: 0 0.25rem;
}

.channel-scroll-btn:hover {
    color: var(--accent-color);
}

.channel-scroll-btn.left {
    margin-left: 0;
}

.channel-scroll-btn.right {
    margin-right: 0;
}