/* Del Valle Seguridad - Estilos personalizados */

:root {
    --dv-primary: #00a651;
    --dv-secondary: #00bce4;
    --dv-dark: #2d3e50;
    --dv-gradient: linear-gradient(135deg, #00a651 0%, #00bce4 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dv-gradient);
    min-height: 100vh;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    width: 100%;
    max-width: 420px;
}

.login-header {
    background: #fff;
    padding: 30px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.login-header img {
    max-width: 180px;
    height: auto;
}

.login-header h4 {
    color: var(--dv-dark);
    margin-top: 15px;
    margin-bottom: 0;
    font-weight: 600;
}

.login-body {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dv-dark);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5eb;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--dv-primary);
    box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.1);
    outline: none;
}

.input-group {
    position: relative;
}

.input-group .form-control {
    padding-left: 45px;
}

.input-group .input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #adb5bd;
    z-index: 10;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--dv-gradient);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 166, 81, 0.4);
}

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

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
}

.remember-forgot a {
    color: var(--dv-primary);
    text-decoration: none;
}

.remember-forgot a:hover {
    text-decoration: underline;
}

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

.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-danger {
    background-color: #f8d7da;
    border: 1px solid #f5c2c7;
    color: #842029;
}

.alert-success {
    background-color: #d1e7dd;
    border: 1px solid #badbcc;
    color: #0f5132;
}

.login-footer {
    text-align: center;
    padding: 20px 30px;
    background: #f8f9fa;
    border-top: 1px solid #eee;
}

.login-footer p {
    margin: 0;
    color: #6c757d;
    font-size: 13px;
}

/* Animación de carga */
.btn-login.loading {
    position: relative;
    pointer-events: none;
}

.btn-login.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        margin: 10px;
    }
    
    .login-header {
        padding: 20px;
    }
    
    .login-body {
        padding: 20px;
    }
    
    .login-header img {
        max-width: 140px;
    }
}