* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    background: #ffffff;
    width: 380px;
    padding: 40px;
    border-radius: 18px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.25);
    text-align: center;
    animation: fadeIn 0.4s ease-in-out;
}

.logo h2 {
    margin: 0;
    color: #111827;
}

.logo p {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

input {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #d1d5db;
    outline: none;
    font-size: 14px;
    transition: 0.2s;
}

input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
}

button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: #2563eb;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    background: #1d4ed8;
}

#result {
    margin-top: 20px;
    font-size: 14px;
}

.success {
    color: #16a34a;
}

.error {
    color: #dc2626;
}

a {
    color: #2563eb;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}