:root {
    --color-primary: #FF002C; /* Rojo principal UMM */
    --color-dark: #1A1A1A; /* Gris carbón */
    --color-light: #F5F5F5; /* Fondo neutro */
    --color-accent: #1F3A93; /* Azul grisáceo */
    --color-white: #FFFFFF;
}

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

.white-box {
    background-color: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    padding: 30px;
    width: 340px;
    text-align: center;
}

.white-box-hdr img {
    width: 100px;
    height: 100px;
    margin-bottom: 15px;
    border-radius: 50%;
    border: 3px solid var(--color-primary);
}

label {
    font-weight: 600;
    color: var(--color-dark);
    display: block;
    text-align: left;
    margin-bottom: 5px;
}

input.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #CCC;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 14px;
}

    input.form-control:focus {
        outline: none;
        border-color: var(--color-primary);
        box-shadow: 0 0 4px rgba(255, 0, 44, 0.4);
    }

.email-validation {
    color: #FF002C;
    font-size: 12px;
    margin-top: 5px;
    display: block;
}


/* Botones */
.btn {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

    .btn-primary:hover {
        background-color: #e00028;
    }

.btn-secondary {
    background: none;
    color: var(--color-accent);
    text-decoration: underline;
    margin-top: 10px;
}

.btn-tertiary {
    background-color: var(--color-light);
    color: var(--color-dark);
    margin-top: 10px;
}

    .btn-tertiary:hover {
        background-color: #ebebeb;
    }

.white-box-footer {
    margin-top: 20px;
}