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

body {
    height: 100vh;
    background: radial-gradient(circle at top, #0f172a, #020617);
    display: flex;
    align-items: center;
    justify-content: center;
}

body::before {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    background: #3b82f6;
    filter: blur(200px);
    opacity: 0.3;
    top: -100px;
    left: -100px;
}

.login-card {
    width: 380px;
    padding: 40px;
    border-radius: 20px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 0 40px rgba(0,0,0,0.5);
    text-align: center;
    animation: fadeIn 1s ease;
}

.login-card h2 {
    color: #fff;
    margin-bottom: 10px;
}

.login-card p {
    color: #94a3b8;
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    color: #cbd5f5;
    font-size: 13px;
}

.input-group input {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    border-radius: 10px;
    border: none;
    background: rgba(255,255,255,0.08);
    color: #fff;
    outline: none;
    transition: 0.3s;
}

.input-group input:focus {
    border: 1px solid #3b82f6;
    box-shadow: 0 0 10px #3b82f6;
}

button {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59,130,246,0.4);
}

.error {
    background: rgba(255,0,0,0.2);
    color: #ff6b6b;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.footer {
    margin-top: 20px;
    font-size: 12px;
    color: #64748b;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px);}
    to { opacity: 1; transform: translateY(0);}
}