:root {
    --primary: #bb86fc;
    --secondary: #03dac6;
    --accent: #cf6679;
    --bg-dark: #08080f;
    --bg-sidebar: #12121e;
    --bg-card: rgba(30, 30, 47, 0.4);
    --text-main: #e0e0e0;
    --glass: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.08);
    --sidebar-width: 280px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* --- Sidebar --- */
#sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 30px 0;
    transition: 0.3s;
}

.logo-area { padding: 0 30px 40px; display: flex; align-items: center; gap: 15px; text-decoration: none; }
.logo-area img { width: 45px; border-radius: 12px; border: 2px solid var(--primary); }
.logo-text { font-size: 1.4rem; font-weight: 800; color: #fff; letter-spacing: 1px; }

.nav-menu { flex: 1; padding: 0 15px; }
.nav-item {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: #888;
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 5px;
    transition: 0.3s;
    gap: 15px;
    font-weight: 500;
}
.nav-item:hover, .nav-item.active { background: rgba(187, 134, 252, 0.1); color: var(--primary); }
.nav-item.active { border-left: 4px solid var(--primary); }

/* --- Main Content --- */
main {
    flex: 1;
    overflow-y: auto;
    padding: 40px 60px;
    background: radial-gradient(circle at 50% 50%, rgba(187, 134, 252, 0.03) 0%, transparent 70%);
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 30px;
}

h1 { font-size: 3rem; font-weight: 800; margin-bottom: 10px; color: #fff; }
.subtitle { color: #888; font-size: 1.1rem; margin-bottom: 40px; }

.btn { padding: 12px 25px; border-radius: 12px; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; border:none; cursor:pointer; }
.btn-primary { background: var(--primary); color: #000; }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }

/* Stats */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-top: 30px; }
.stat-card { background: var(--glass); border: 1px solid var(--glass-border); padding: 25px; border-radius: 20px; text-align: center; }
.stat-value { font-size: 2rem; font-weight: 800; color: var(--primary); display: block; }

/* Music Player */
.music-player { display: flex; align-items: center; gap: 30px; background: rgba(26,26,46,0.6); padding: 25px; border-radius: 20px; border: 1px solid var(--glass-border); }
.music-art { width: 100px; height: 100px; background: #333; border-radius: 15px; overflow: hidden; }
.music-art img { width: 100%; height: 100%; object-fit: cover; }
.music-controls { display: flex; gap: 20px; font-size: 1.5rem; }
.music-controls i { cursor: pointer; color: #888; }
.music-controls i:hover { color: var(--primary); }

/* Chat */
.chat-window { height: 60vh; background: rgba(0,0,0,0.2); border-radius: 20px; border: 1px solid var(--glass-border); padding: 20px; display: flex; flex-direction: column; }
.chat-room { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 15px; }
.msg { padding: 12px 18px; border-radius: 12px; max-width: 75%; line-height: 1.5; }
.msg-bot { background: var(--glass); border: 1px solid var(--glass-border); align-self: flex-start; }
.msg-user { background: var(--primary); color: #000; align-self: flex-end; font-weight: 600; }

@media (max-width: 900px) {
    body { flex-direction: column; overflow: auto; }
    #sidebar { width: 100%; height: auto; padding: 20px; }
    main { padding: 20px; }
}