.login-bg {
    min-height: 100vh;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}
.login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    padding: 2.5rem 2rem 2rem 2rem;
    margin-top: 2rem;
    animation: fadeInDown 0.7s ease;
}
.login-header {
    margin-bottom: 2rem;
}
.login-logo {
    width: 60px;
    margin-bottom: 1rem;
    max-height: 65px;
}
.institution-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a202c;
}
.login-welcome {
    color: #6c757d;
    font-size: 1rem;
}
.login-form .form-group {
    margin-bottom: 1.2rem;
}
.form-group {
    margin-bottom: 20px;
}
.btn-login {
    background: #e3342f;
    color: #fff;
    font-weight: 600;
    border-radius: 8px;
    padding: 0.75rem 0;
    border: none;
    transition: background 0.2s;
}
.btn-login:hover {
    background: #cc1f1a;
    color: #fff;
}
.btn-login-llave {
    background-color: #6c1237;
    color: #ffffff;
    font-weight: bold;
    border: none;
    border-radius: 30px;
    padding: 10px;
    transition: background-color 0.3s ease;
}
.btn-login-llave:hover {
    background-color: #6c1237;
    color: #ffffff;
}
.btn-login-llave img {
    max-height: 25px;
    margin: 0;
}
.forgot-link {
    color: #e3342f;
    font-size: 0.95rem;
    text-decoration: none;
}
.forgot-link:hover {
    color: #333;
}
.input-group-addon {
    background: #f8fafc;
    border: 1px solid #e0e7ef;
    border-right: none;
    border-radius: 8px 0 0 8px;
    padding: 0.6rem 0.9rem;
}
.form-control {
    height: 42px;
    border-radius: 0 8px 8px 0;
    border: 1px solid #e0e7ef;
    box-shadow: none;
    padding-left: 10px;
    transition: border 0.3s ease;
}
.form-control:focus {
    border-color: #007BFF;
    box-shadow: none;
}
.text-danger {
    font-size: 0.92rem;
}

.form-control:focus {
    border-color: #007BFF;
    box-shadow: none;
}

.btn-login {
    background-color: #004085;
    color: #ffffff;
    font-weight: bold;
    border: none;
    border-radius: 30px;
    padding: 10px;
    transition: background-color 0.3s ease;
}

.btn-login:hover {
    background-color: #003366;
    color: #ffffff;
}

.btn-login-llave {
    background-color: #6c1237;
    color: #ffffff;
    font-weight: bold;
    border: none;
    border-radius: 30px;
    padding: 10px;
    transition: background-color 0.3s ease;
}

.btn-login-llave:hover {
    background-color: #6c1237;
    color: #ffffff;
}

.btn-login-llave img {
    max-height: 25px;
    margin: 0;
}

.forgot-link {
    font-size: 13px;
    color: #888;
    text-decoration: none;
}

.forgot-link:hover {
    color: #333;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}