:root {
    --blue: #003366;    /* Navy Blue */
    --gray: #f2f2f2;    /* Light Gray */
    --orange: #ff9933;  /* Soft Orange */
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--gray);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 1rem;
}
.login-container {
    background-color: #ffffff;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    padding: 2.5rem;
    max-width: 400px;
    width: 100%;
    text-align: center;
}
h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 1.5rem;
}
label {
    display: block;
    text-align: left;
    margin-bottom: 0.5rem;
    color: var(--blue);
    font-weight: 500;
}
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    transition: border-color 0.2s;
}
input[type="text"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 0 2px rgba(255, 153, 51, 0.2);
}
button[type="submit"] {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--blue);
    color: white;
    font-weight: 600;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
}
button[type="submit"]:hover {
    background-color: #002244;
}
.error-message {
    background-color: #fca5a5;
    color: #990000;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #dc2626;
}

@media (max-width: 640px) {
    .login-container {
        padding: 1.5rem;
        border-radius: 0.75rem;
    }
}