/* Estilos personalizados para IMPULSO+ */

/* Utilidades adicionales */
.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-soft {
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.border-radius-lg {
    border-radius: 12px;
}

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Formularios mejorados */
.form-floating > label {
    padding: 1rem 0.75rem;
}

.input-group-text {
    background: #f8f9fa;
    border-color: #dee2e6;
}

/* Tablas responsivas mejoradas */
.table-responsive {
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.table thead th {
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

/* Cards mejoradas */
.card-dashboard {
    transition: all 0.3s ease;
}

.card-dashboard:hover {
    transform: translateY(-5px);
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Animaciones de entrada */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Estados de validación mejorados */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: #198754;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='m2.3 6.73 4.47-4.47c.2-.2.52-.2.72 0 .2.2.2.52 0 .72L2.73 7.8c-.2.2-.52.2-.72 0L.55 5.75c-.2-.2-.2-.52 0-.72.2-.2.52-.2.72 0l1.02 1.02z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* Responsive utilities */
@media (max-width: 576px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }

    .card-body {
        padding: 1rem;
    }
}

/* Tema oscuro opcional (puede activarse con clase en body) */
body.dark-theme {
    background-color: #1a1a1a;
    color: #ffffff;
}

body.dark-theme .card {
    background-color: #2d2d2d;
    color: #ffffff;
}

body.dark-theme .navbar {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
}

body.dark-theme .table {
    color: #ffffff;
}

body.dark-theme .form-control {
    background-color: #2d2d2d;
    border-color: #404040;
    color: #ffffff;
}

body.dark-theme .form-control:focus {
    background-color: #2d2d2d;
    color: #ffffff;
}