body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    /* Kept a neutral light background to make the container pop */
    background-color: #f4f7f6;
    color: #333;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: white;
    padding: 2rem 3rem;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    text-align: center;
    max-width: 450px;
    width: 100%;
}

h1 {
    /* Changed to the primary green for a strong brand statement */
    color: #2E5946;
}

h2 {
    margin-top: 0;
}

p {
    /* Softened the text color to a neutral gray that complements green */
    color: #5A6470;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    /* Replaced blue with the primary green */
    background-color: #2E5946;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn:hover {
    /* A slightly darker green for the hover state */
    background-color: #254738;
}

.btn-logout {
    /* Replaced bright red with a muted, earthy red that fits the palette */
    background-color: #b94a48;
}

.btn-logout:hover {
    background-color: #9e3f3d;
}

.login-form {
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    /* A darker gray for readable labels */
    color: #4A5568;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-sizing: border-box;
}

/* Kept red for errors as it is a universal color for alerts */
.error {
    color: #c0392b;
    background-color: #fbe2e2;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 1rem;
}