:root {
    --evergreen: #344C3D;
    --moss: #738A6E;
    --sage: #8EA58C;
    --mint: #BFCFBB;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--evergreen); 
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.header h2 {
    color: var(--evergreen);
    margin-bottom: 10px;
}

.header p {
    color: var(--moss);
    font-size: 14px;
    margin-bottom: 30px;
}

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

    .input-group label {
        display: block;
        font-weight: 600;
        color: var(--evergreen);
        margin-bottom: 5px;
    }

    .input-group input {
        width: 100%;
        padding: 12px;
        border: 2px solid var(--mint);
        border-radius: 8px;
        box-sizing: border-box; 
        transition: border-color 0.3s;
    }

        .input-group input:focus {
            outline: none;
            border-color: var(--sage);
        }

.btn-login {
    width: 100%;
    padding: 14px;
    background-color: var(--sage);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

    .btn-login:hover {
        background-color: var(--moss);
    }

#mensaje {
    margin-top: 15px;
    font-size: 14px;
}

.logo-circle {
    width: 100px; 
    height: 100px;
    background-color: white; 
    border-radius: 50%;
    margin: 0 auto 20px; 
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; 
    border: 3px solid var(--sage); 
}

    .logo-circle svg {
        width: 60px; 
        height: 60px;
        display: block;
        color: var(--evergreen); 
    }

.footer-links {
    margin-top: 20px;
    font-size: 14px;
    color: var(--moss);
}

    .footer-links a {
        color: var(--evergreen);
        text-decoration: none;
        font-weight: bold;
    }

        .footer-links a:hover {
            text-decoration: underline;
        }

#mensaje {
    margin-top: 15px;
    font-size: 14px;
    font-weight: bold;
}