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

body {
    background: linear-gradient(135deg, #0a0c10, #0f1117);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
}

.navbar {
    background: rgba(10, 12, 16, 0.95);
    backdrop-filter: blur(10px);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(79, 172, 254, 0.2);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: white;
}
.logo span {
    color: #4facfe;
}

.nav-links {
    display: flex;
    gap: 20px;
}
.nav-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.2s;
}
.nav-links a:hover {
    color: #4facfe;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 40px 20px;
}

.profile-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    padding: 30px;
    border: 1px solid rgba(79, 172, 254, 0.2);
    text-align: center;
}

.avatar i {
    font-size: 80px;
    color: #4facfe;
    margin-bottom: 15px;
}

h2 {
    color: white;
    font-size: 24px;
    margin-bottom: 5px;
}

.email {
    color: #888;
    font-size: 14px;
    margin-bottom: 30px;
}

.form-group {
    text-align: left;
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: #ccc;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(79, 172, 254, 0.3);
    border-radius: 12px;
    color: white;
    font-size: 14px;
    margin-bottom: 8px;
}

.form-group input:focus {
    outline: none;
    border-color: #4facfe;
}

.form-group input:read-only {
    background: rgba(0, 0, 0, 0.5);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-note {
    display: block;
    font-size: 11px;
    color: #888;
    margin-bottom: 12px;
}

.btn-save {
    width: 100%;
    background: linear-gradient(135deg, #00f2fe, #4facfe);
    border: none;
    padding: 12px;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-save:hover {
    opacity: 0.85;
    transform: scale(0.98);
}

.btn-save:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.info-section {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    padding: 20px;
    text-align: left;
    margin-bottom: 25px;
}

.info-section h3 {
    color: white;
    font-size: 16px;
    margin-bottom: 15px;
    border-left: 3px solid #4facfe;
    padding-left: 12px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: #888;
    font-size: 13px;
}

.info-value {
    color: white;
    font-size: 13px;
    font-weight: 500;
}

.status-premium {
    background: linear-gradient(135deg, #00f2fe, #4facfe);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
}

.btn-logout {
    width: 100%;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    border: none;
    padding: 12px;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-logout:hover {
    opacity: 0.85;
}

/* Notification */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 40px;
    color: white;
    font-weight: 500;
    z-index: 1002;
    animation: slideIn 0.3s ease;
    font-size: 13px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.notification.success {
    background: #22c55e;
}

.notification.error {
    background: #ef4444;
}

.notification.warning {
    background: #f59e0b;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 550px) {
    .profile-card {
        padding: 20px;
    }
    .avatar i {
        font-size: 60px;
    }
    h2 {
        font-size: 20px;
    }
    .navbar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    .nav-links {
        justify-content: center;
        flex-wrap: wrap;
    }
}