* {
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #1f2933, #111827);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: #ffffff;
    border-radius: 12px;
    padding: 32px 28px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.login-card h2 {
    margin: 0 0 24px;
    text-align: center;
    font-size: 24px;
    color: #111827;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #374151;
}

input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

button {
    width: 100%;
    margin-top: 8px;
    padding: 12px;
    border-radius: 8px;
    border: none;
    background-color: #2563eb;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

button:hover {
    background-color: #1d4ed8;
}

button:active {
    transform: scale(0.98);
}

@media (max-width: 400px) {
    .login-card {
        padding: 24px 20px;
    }
}