html,
body {
    height: 100%;
    font-family: 'Inter', sans-serif;
    background-color: #f9fafb;
    overflow-x: hidden;
}

/* Contenedor general login */
.login-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 430px;
    margin: 0 auto;
    padding: 20px;
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Contenedor del logo principal */
.logo-container {
    margin-bottom: 35px;
    text-align: center;
    width: 100%;
    transition: all 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.02);
}

/* Estilo del logo principal */
.logo {
    width: auto;
    max-width: 100%;
    height: 85px;
    object-fit: contain;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

/* Contenedor del logo SIGH */
.logo-sigh-container {
    text-align: center;
    margin-bottom: 25px;
    width: 100%;
    transition: all 0.3s ease;
}

/* Estilo del logo SIGH */
.logo-sigh {
    width: auto;
    max-width: 100%;
    height: 55px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}

/* Estilo del formulario */
.login-box {
    width: 100%;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    background-color: #fff;
    transition: all 0.3s ease;
    border: none;
}

.login-box:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    font-weight: 500;
    font-size: 14px;
    color: #505050;
    margin-bottom: 8px;
}

.form-control {
    height: 44px;
    border-radius: 6px;
    border: 1px solid #dde1e7;
    box-shadow: none;
    padding: 8px 12px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #4a89dc;
    box-shadow: 0 0 0 3px rgba(74, 137, 220, 0.15);
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 38px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.password-toggle:hover {
    color: #4a89dc;
}

.glyphicon {
    color: #a0a0a0;
}

.btn-primary {
    background-color: #4a89dc;
    border-color: #4a89dc;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 0.5px;
    padding: 12px 20px;
    border-radius: 6px;
    box-shadow: 0 4px 6px rgba(74, 137, 220, 0.2);
    transition: all 0.3s ease;
}

.btn-primary:hover, 
.btn-primary:focus {
    background-color: #3b7dd8;
    border-color: #3b7dd8;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(74, 137, 220, 0.25);
}

.btn-primary:active {
    transform: translateY(0);
}