@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;700;900&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Vazirmatn', sans-serif;
    background: #0b0b0e;
    color: #fff;
    overflow-x: hidden;
}
/* نوار کناری مدرن */
.sidebar {
    position: fixed;
    top: 0; left: 0; width: 250px; height: 100vh;
    background: rgba(18, 18, 22, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255,255,255,0.05);
    padding: 30px 20px;
    z-index: 1000;
}
.sidebar h2 { color: #a29bfe; font-size: 24px; margin-bottom: 30px; }
.sidebar ul { list-style: none; }
.sidebar ul li { margin: 15px 0; }
.sidebar ul li a { color: #b0b0b0; text-decoration: none; font-size: 16px; transition: 0.3s; }
.sidebar ul li a:hover { color: #fff; padding-left: 10px; }

/* محتوای اصلی */
.main-content { margin-left: 250px; padding: 40px; }
.grid-container { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }

/* کارت‌های خفن موزیک */
.music-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 15px;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s;
    cursor: pointer;
    position: relative;
    border: 1px solid rgba(255,255,255,0.03);
}
.music-card:hover { transform: translateY(-8px) scale(1.02); background: rgba(255,255,255,0.1); box-shadow: 0 20px 40px rgba(0,0,0,0.6); }
.music-card img { width: 100%; border-radius: 12px; aspect-ratio: 1/1; object-fit: cover; }
.music-card h4 { margin: 12px 0 5px; font-size: 16px; }
.music-card p { color: #888; font-size: 14px; }

/* پخش‌کننده شناور در پایین */
.floating-player {
    position: fixed;
    bottom: 20px; left: 50%; transform: translateX(-50%);
    width: 90%; max-width: 800px;
    background: rgba(20, 20, 25, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 15px 25px;
    display: flex; align-items: center; gap: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    z-index: 2000;
}
.floating-player audio { width: 100%; height: 50px; outline: none; }

/* صفحه اختصاصی آهنگ */
.song-page { max-width: 900px; margin: 0 auto; }
.song-page .album-art { width: 100%; max-width: 400px; border-radius: 24px; box-shadow: 0 20px 50px rgba(0,0,0,0.8); }
.song-page .lyrics-box { background: rgba(255,255,255,0.05); border-radius: 20px; padding: 30px; margin-top: 30px; border: 1px solid rgba(255,255,255,0.05); white-space: pre-wrap; line-height: 1.8; }