@keyframes gradientAnimation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

:root {
    --primary-color: #f0f0f0;
    --bg-dark: #1a1a1a;
    --text-light: #f0f0f0;
    --text-gray: #e0e0e0;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(
        -45deg,
        #f72585,
        #7209b7,
        #3a0ca3,
        #4361ee
    );
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    color: var(--text-light);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.input-section {
    text-align: center;
    margin-bottom: 30px;
}

#playlist-input {
    width: 80%;
    max-width: 600px;
    padding: 12px 20px;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    background: #2a2a2a;
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 15px;
}

#load-playlist {
    padding: 13px 25px;
    background-color: var(--primary-color);
    border: none;
    border-radius: 12px;
    color: var(--bg-dark);
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

#load-playlist:hover {
    transform: scale(1.05);
}

.player-container {
    aspect-ratio: 16/9;
    margin-bottom: 20px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 10px;
}

#player {
    width: 100%;
    height: 100%;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.control-btn {
    padding: 10px 20px;
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 12px;
    color: var(--bg-dark);
    cursor: pointer;
    transition: all 0.2s;
}

.control-btn:hover {
    background: var(--bg-dark);
    color: var(--primary-color);
}

.playlist-info {
    text-align: center;
    margin-bottom: 20px;
}

#current-video-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

#progress {
    color: var(--text-gray);
}

.branding {
    text-align: center;
    margin-top: 40px;
    color: var(--primary-color);
    font-style: italic;
}

.follow {
    text-align: center;
    margin: 20px 0;
    color: var(--primary-color);
    font-weight: bold;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    h1 {
        font-size: 2rem;
    }

    #playlist-input {
        width: 90%;
    }
}