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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: #1a1a1a;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Arkaplan Video */
.background-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.background-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) blur(2px);
    opacity: 0.3;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: -1;
}

/* Container */
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
    padding: 20px;
}

/* Spotify Kartı */
.spotify-card {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    max-width: 400px;
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.spotify-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 35px 70px rgba(0, 0, 0, 0.9);
}

/* Albüm Kapağı */
.album-cover {
    width: 250px;
    height: 250px;
    margin: 0 auto 30px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    background: #1a1a1a;
    position: relative;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
}

/* Şarkı Bilgileri */
.track-info {
    margin-bottom: 30px;
}

.song-title {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
    letter-spacing: -0.5px;
}

.artist-name {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.3rem;
    font-weight: 400;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

/* Spotify Logosu */
.spotify-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.9;
}

.spotify-logo svg {
    width: 24px;
    height: 24px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .spotify-card {
        padding: 30px 25px;
        max-width: 350px;
    }
    
    .album-cover {
        width: 200px;
        height: 200px;
        margin-bottom: 25px;
    }
    
    .song-title {
        font-size: 2rem;
    }
    
    .artist-name {
        font-size: 1.1rem;
    }
    
    /* Tablet imzalar */
    .signature {
        font-size: 1.1rem;
        padding: 7px 14px;
    }
    
    .signature-right {
        right: 12px;
        bottom: 12px;
    }
    
    .signature-left {
        left: 12px;
        bottom: 12px;
    }
}

@media (max-width: 480px) {
    .spotify-card {
        padding: 25px 20px;
        max-width: 300px;
    }
    
    .album-cover {
        width: 180px;
        height: 180px;
        margin-bottom: 20px;
    }
    
    .song-title {
        font-size: 1.8rem;
    }
    
    .artist-name {
        font-size: 1rem;
    }
    
    .spotify-logo {
        font-size: 0.9rem;
    }
    
    .spotify-logo svg {
        width: 20px;
        height: 20px;
    }
    
    /* Mobil imzalar */
    .signature {
        font-size: 1rem;
        padding: 6px 12px;
    }
    
    .signature-right {
        right: 10px;
        bottom: 10px;
    }
    
    .signature-left {
        left: 10px;
        bottom: 10px;
    }
}

/* Animasyonlar */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spotify-card {
    animation: fadeIn 1s ease-out;
}

/* Loading state */
.album-cover::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid #1db954;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

.album-cover.loading::before {
    display: block;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* İmza */
.signature {
    position: fixed;
    bottom: 15px;
    z-index: 1000;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
    letter-spacing: 1px;
    text-transform: lowercase;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    position: fixed;
    overflow: hidden;
    text-align: center;
}

.signature-right {
    right: 15px;
    bottom: 15px;
}

.signature-left {
    left: 15px;
    bottom: 15px;
}

.signature:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.signature::after {
    content: '🤍';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.8rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white !important;
    text-shadow: none;
}

.signature:hover::after {
    opacity: 1;
}

.signature:hover {
    color: transparent;
}