:root {
    --primary-green: #064e3b;
    --light-green: #059669;
    --text-light: #ecfdf5;
    --glass-bg: rgba(6, 78, 59, 0.3);
    --glass-border: rgba(236, 253, 245, 0.2);
    --glass-hover: rgba(236, 253, 245, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    color: var(--text-light);
    min-height: 100vh;
    padding-bottom: 80px;
}


.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}


.page {
    padding: 20px;
    margin-bottom: 60px;
    max-width: 1200px;
    margin: 0 auto 60px auto;
}

.hidden {
    display: none;
}


.welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature {
    text-align: center;
    padding: 20px;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}


.songs-container {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.song-card {
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    padding: 15px;
}

.song-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}


.player {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translate(-50%, 0);
    width: calc(100% - 40px);
    max-width: 600px;
    z-index: 1000;
    touch-action: none;
    transition: transform 0.1s ease;
}

.player.dragging {
    transition: none;
}

.player-header {
    cursor: move;
    padding: 5px;
    user-select: none;
}

.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 15px 0;
}

.control-button {
    background: rgba(236, 253, 245, 0.1);
    border: none;
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.control-button:hover {
    background: rgba(236, 253, 245, 0.2);
    transform: scale(1.05);
}

.play-btn {
    width: 50px;
    height: 50px;
    border-radius: 25px;
}

.seek-bar-container {
    padding: 0 10px;
}

.seek-bar {
    width: 100%;
    position: relative;
}

.seek-bar-bg {
    width: 100%;
    height: 4px;
    background: rgba(236, 253, 245, 0.1);
    border-radius: 2px;
    cursor: pointer;
}

.seek-bar-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: var(--light-green);
    border-radius: 2px;
}

.time-display {
    display: flex;
    justify-content: space-between;
    color: var(--text-light);
    font-size: 0.8rem;
    margin-top: 5px;
    opacity: 0.8;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
}

.volume-slider {
    flex-grow: 1;
    height: 4px;
    background: rgba(236, 253, 245, 0.1);
    border-radius: 2px;
    -webkit-appearance: none;
    cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--light-green);
    border-radius: 50%;
    cursor: pointer;
}


.tv-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.tv-player {
    background: rgba(6, 78, 59, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(236, 253, 245, 0.3);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 20px;
}

.tv-video-container {
    position: relative;
    padding-bottom: 56.25%;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    overflow: hidden;
    margin: 15px 0;
}

.tv-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.bottom-nav {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-around;
    padding: 15px;
    border-radius: 16px;
    max-width: 500px;
    width: calc(100% - 40px);
    z-index: 1001;
}

.nav-btn {
    background: none;
    border: none;
    color: var(--text-light);
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.nav-btn.active {
    background: rgba(236, 253, 245, 0.2);
}

.nav-btn:hover {
    background: rgba(236, 253, 245, 0.1);
}
.player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    border-bottom: 1px solid var(--glass-border);
    margin: -20px -20px 15px -20px;
    border-radius: 16px 16px 0 0;
}

.player-header-title {
    flex: 1;
    min-width: 0;
}

.player-header-title h3 {
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-header-controls {
    display: flex;
    gap: 8px;
    margin-left: 10px;
}

.player-header .control-button {
    width: 32px;
    height: 32px;
    background: rgba(236, 253, 245, 0.05);
}

.player-header .control-button:hover {
    background: rgba(236, 253, 245, 0.15);
}


.player-minimized {
    max-width: 300px;
}

.player-controls.minimized,
.seek-bar-container.minimized,
.volume-control.minimized {
    display: none;
}


.player-controls,
.seek-bar-container,
.volume-control {
    transition: all 0.3s ease;
}


.player-minimized .minimize-btn svg {
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    .page {
        padding: 15px;
    }
    
    .tv-grid {
        grid-template-columns: 1fr;
    }
    
    .player {
        width: calc(100% - 20px);
        padding: 15px;
    }
}