/* ESTILOS ORIGINALES HEADER/FOOTER (PRESERVADOS) */
html,
body {
    margin: 0;
    padding: 0;
    font-family: "Times New Roman", serif;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #002d4a;
    padding: 20px 2%;
}

.navbar-left {
    width: 20%;
}

.navbar-center {
    width: 60%;
    text-align: center;
}

.navbar-right {
    width: 20%;
    text-align: right;
}

.logo-container img {
    height: auto;
    max-width: 55%;
}

.navbar-center b {
    color: white;
    font-size: 1.1rem;
    line-height: 1.4;
}

.navbar-right {
    display: flex;
    gap: 20px;
    transition: all 0.3s ease;
    justify-content: flex-end;
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    color: white;
    font-size: 16px;
    padding: 8px 12px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin: 0;
}

.dropdown-toggle:hover {
    background-color: #004d73;
    border-radius: 4px;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #004d73;
    min-width: 100%;
    box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 1;
    border-radius: 4px;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.dropdown-content a {
    color: white;
    padding: 15px 20px;
    text-decoration: none;
    white-space: nowrap;
    border-right: 1px solid #006699;
    display: block;
}

.dropdown-content a:last-child {
    border-right: none;
}

.dropdown-content a:hover {
    background-color: #006699;
}

.dropdown:hover .dropdown-content {
    display: flex;
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #002d4a;
    color: white;
    font-family: Arial, sans-serif;
    font-size: 14px;
    padding: 0px 2%;
    text-align: left;
}

.footer-left {
    width: 20%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.footer-center {
    width: 50%;
    text-align: center;
}

.footer-right {
    width: 30%;
    text-align: left;
}

.footer-image {
    max-width: 81px;
    height: auto;
}

.footer-center a {
    color: white;
    text-decoration: none;
}

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

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .navbar-left,
    .navbar-center,
    .navbar-right {
        width: 100%;
        margin-bottom: 10px;
        text-align: center;
    }

    .footer {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 5%;
        text-align: center;
    }

    .footer-left,
    .footer-center,
    .footer-right {
        width: 100%;
        margin-bottom: 15px;
    }

    .footer-left {
        justify-content: center;
    }

    .footer-left img {
        margin: 0;
        max-width: 100px;
    }

    .footer-center,
    .footer-right {
        text-align: center;
    }
}

/* ESTILOS MEJORADOS PARA EL FORMULARIO DE LOGIN */
:root {
    --primary-color: #006494;
    --primary-dark: #002d4a;
    --primary-light: #e6f2f9;
    --accent-color: #00a6fb;
    --white: #ffffff;
    --light-gray-1: #f8f9fa;
    --light-gray-3: #dee2e6;
    --medium-gray-2: #495057;
    --radius-md: 8px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

.container-flex {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-gray-1);
    padding: 2rem 1rem;
}

.login-card {
    width: 100%;
    max-width: 500px;
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

.login-card:hover {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
}

.card-header-login {
    background: linear-gradient(135deg, #002d4a, #006494);
    padding: 1.5rem;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.login-icon {
    color: white;
    font-size: 2.5rem;
    width: 50px;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.card-header-login h3 {
    margin: 0;
    color: white;
    font-weight: 600;
    font-size: 1.5rem;
    font-family: "Times New Roman", serif;
    letter-spacing: 0.5px;
}

.card-body-login {
    padding: 2rem;
    background-color: white;
}

.form-label-login {
    font-weight: 500;
    color: var(--medium-gray-2);
    margin-bottom: 0.5rem;
    font-family: "Times New Roman", serif;
}

.form-control-login {
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    border: 1px solid var(--light-gray-3);
    transition: var(--transition);
    font-family: Arial, sans-serif;
}

.form-control-login:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(0, 106, 148, 0.25);
}

.btn-login {
    background-color: var(--primary-dark);
    border: none;
    padding: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: var(--transition);
    width: 100%;
    font-family: "Times New Roman", serif;
}

.btn-login:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.form-check-input:checked {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.form-check-label {
    color: var(--medium-gray-2);
    font-family: "Times New Roman", serif;
}

.alert-danger {
    border-radius: var(--radius-md);
}

@media (max-width: 768px) {
    .card-header-login {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .card-header-login h3 {
        font-size: 1.3rem;
    }

    .login-icon {
        font-size: 2rem;
    }

    .card-body-login {
        padding: 1.5rem;
    }
}