* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: url('https://images.unsplash.com/photo-1470225620780-dba8ba36b745?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center fixed;
    background-size: cover;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    overflow: hidden;
}

.glass-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    width: 90%;
    height: 90%;
    display: flex;
    flex-direction: column;
    padding: 40px;
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.2);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
    transition: 0.3s;
}

nav ul li a:hover {
    opacity: 1;
}

.hero {
    flex: 1;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-size: 80px;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-content h1 span {
    color: #00d2ff;
    background: linear-gradient(to right, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 18px;
    max-width: 500px;
    margin-bottom: 30px;
    opacity: 0.8;
    line-height: 1.6;
}

.cta-button {
    padding: 15px 40px;
    background: white;
    color: black;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

footer {
    text-align: center;
    font-size: 12px;
    opacity: 0.5;
}

@media (max-width: 768px) {
    .hero-content h1 { font-size: 40px; }
    nav ul { display: none; }
}

.login-mode {
    justify-content: center;
    align-items: center;
    text-align: center;
    max-width: 500px;
    height: auto !important;
    min-height: 400px;
}

.input-group {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input[type="password"] {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 15px 20px;
    border-radius: 50px;
    color: white;
    font-size: 16px;
    text-align: center;
    outline: none;
    transition: 0.3s;
}

input[type="password"]:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: #00d2ff;
}

.error-text {
    margin-top: 15px;
    color: #ff4b2b;
    font-size: 14px;
    font-weight: bold;
}

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

.music-list {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.music-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: 0.3s;
    cursor: pointer;
}

.music-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}