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

html, body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a0a0a !important;
    color: #fff;
    min-height: 100vh;
}

.navbar {
    background: #111;
    border-bottom: 1px solid #222;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.navbar .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-size: 26px;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
    text-shadow: 0 0 15px rgba(255,255,255,0.6),
                 0 0 30px rgba(255,255,255,0.4),
                 0 0 45px rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.navbar .logo:hover {
    text-shadow: 0 0 20px rgba(255,255,255,0.8),
                 0 0 40px rgba(255,255,255,0.5);
}

.navbar .nav-links {
    display: flex;
    gap: 20px;
}

.navbar .nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 10px 20px;
    border-radius: 8px;
    text-shadow: 0 0 8px rgba(255,255,255,0.3);
    border: 1px solid transparent;
}

.navbar .nav-links a:hover {
    background: #1a1a1a;
    border-color: #333;
    text-shadow: 0 0 15px rgba(255,255,255,0.6);
    transform: translateY(-2px);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 20px;
}

.hero {
    text-align: center;
    color: white;
    padding: 120px 20px;
    animation: fadeIn 1.2s ease;
}

.hero h1 {
    font-size: 72px;
    margin-bottom: 20px;
    text-shadow: 0 0 20px rgba(255,255,255,0.6),
                 0 0 40px rgba(255,255,255,0.4),
                 0 0 60px rgba(255,255,255,0.3),
                 0 0 80px rgba(255,255,255,0.2);
    animation: glow 3s ease-in-out infinite, slideDown 0.8s ease;
}

.card {
    background: #111;
    border: 1px solid #333;
    border-radius: 16px;
    padding: 50px;
    box-shadow: 0 0 30px rgba(255,255,255,0.05),
                0 20px 60px rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.8s ease;
    max-width: 500px;
    margin: 0 auto;
}

.card h2 {
    color: #fff;
    text-shadow: 0 0 15px rgba(255,255,255,0.4);
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: #fff;
    font-weight: 600;
    text-shadow: 0 0 5px rgba(255,255,255,0.3);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid #333;
    background: #0a0a0a;
    color: #fff;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: #555;
    box-shadow: 0 0 15px rgba(255,255,255,0.1);
    background: #111;
}

.btn {
    width: 100%;
    padding: 16px;
    background: #fff;
    color: #000;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: none;
    box-shadow: 0 0 20px rgba(255,255,255,0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(255,255,255,0.6),
                0 10px 30px rgba(255,255,255,0.3);
}

.btn-secondary {
    background: #222;
    color: #fff;
    box-shadow: 0 0 15px rgba(255,255,255,0.2);
}

.btn-secondary:hover {
    background: #333;
    box-shadow: 0 0 25px rgba(255,255,255,0.4);
}

.alert {
    padding: 16px;
    border-radius: 10px;
    margin-bottom: 25px;
    animation: slideDown 0.5s ease;
}

.alert-error {
    background: #1a0000;
    color: #ff4444;
    border: 2px solid #ff4444;
    box-shadow: 0 0 20px rgba(255, 68, 68, 0.3);
}

.alert-success {
    background: #001a00;
    color: #00ff00;
    border: 2px solid #00ff00;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
}

.link-text {
    text-align: center;
    margin-top: 25px;
    color: #999;
}

.link-text a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    text-shadow: 0 0 8px rgba(255,255,255,0.4);
    transition: all 0.3s ease;
}

.link-text a:hover {
    text-shadow: 0 0 15px rgba(255,255,255,0.7);
}

.dashboard-welcome {
    background: #111;
    border: 1px solid #333;
    border-radius: 16px;
    padding: 80px 50px;
    text-align: center;
    box-shadow: 0 0 30px rgba(255,255,255,0.05),
                0 20px 60px rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.8s ease;
}

.dashboard-welcome h1 {
    font-size: 56px;
    margin-bottom: 20px;
    text-shadow: 0 0 20px rgba(255,255,255,0.5),
                 0 0 40px rgba(255,255,255,0.3),
                 0 0 60px rgba(255,255,255,0.2);
    animation: glow 3s ease-in-out infinite;
}

.dashboard-welcome p {
    color: #888;
    font-size: 22px;
    text-shadow: 0 0 5px rgba(255,255,255,0.2);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow {
    0%, 100% { 
        text-shadow: 0 0 20px rgba(255,255,255,0.5),
                     0 0 40px rgba(255,255,255,0.3),
                     0 0 60px rgba(255,255,255,0.2);
    }
    50% { 
        text-shadow: 0 0 30px rgba(255,255,255,0.7),
                     0 0 60px rgba(255,255,255,0.5),
                     0 0 90px rgba(255,255,255,0.3);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .nav-links {
        gap: 10px;
        font-size: 13px;
    }
    
    .navbar .nav-links a {
        padding: 8px 12px;
    }
    
    .hero h1 {
        font-size: 42px;
    }
    
    .card {
        padding: 35px 25px;
    }
    
    .dashboard-welcome {
        padding: 50px 30px;
    }
    
    .dashboard-welcome h1 {
        font-size: 36px;
    }
}