:root {
    /* Tema principal, fácil de cambiar en un solo lugar */
    --kondata-primary: #4e73df;
    --kondata-primary-hover: #2e59d9;
}

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
    background-color: #f8f9fc;
}

.login-wrapper {
    display: flex;
    height: 100vh;
    width: 100%;
}

.login-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
    color: white;
    background: linear-gradient(135deg, var(--kondata-primary) 0%, var(--kondata-primary-hover) 100%);
}

.login-panel {
    width: 100%;
    max-width: 480px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    height: 100vh;
    overflow-y: auto;
    box-shadow: -15px 0 35px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
    position: relative;
    z-index: 2;
}

@media (max-width: 991px) {
    .login-left {
        display: none !important;
    }
    .login-panel {
        max-width: 100%;
        background: rgba(255, 255, 255, 0.95);
    }
}

.form-control-user {
    border-radius: 10px !important;
    padding: 1.5rem 1rem !important;
    font-size: 0.9rem;
    transition: all 0.3s;
    border: 1px solid #d1d3e2;
}

.form-control-user:focus {
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
    border-color: var(--kondata-primary);
}

.btn-user {
    border-radius: 10px !important;
    padding: 0.75rem 1rem !important;
    font-weight: 600;
    background-color: var(--kondata-primary);
    border-color: var(--kondata-primary);
    transition: all 0.3s;
    font-size: 1rem;
}

.btn-user:hover, .btn-user:focus {
    background-color: var(--kondata-primary-hover);
    border-color: var(--kondata-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.btn-user:disabled {
    opacity: 0.7;
    transform: none;
}

.password-container {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #b7b9cc;
    transition: color 0.2s;
    z-index: 10;
}

/* Specific adjustment for forms where label is above input and toggle needs to be lower */
.password-container.has-label .toggle-password {
    top: 70%;
}

.toggle-password:hover {
    color: var(--kondata-primary);
}

.spinner-border {
    width: 1.2rem;
    height: 1.2rem;
    border-width: 0.15em;
}

/* Ajuste de validación de jQuery UI/Bootstrap */
.invalid-feedback {
    text-align: left;
    padding-left: 10px;
}