/* PETROGAMA DC-3 Custom Styles */
:root {
    --petrogama-primary: #1a5276;
    --petrogama-secondary: #2e86c1;
    --petrogama-accent: #e67e22;
    --petrogama-success: #27ae60;
    --petrogama-danger: #e74c3c;
    --petrogama-warning: #f39c12;
    --petrogama-light: #ecf0f1;
    --petrogama-dark: #2c3e50;
}

/* Estilos generales */
body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 1px solid rgba(0, 0, 0, 0.125);
}

.card-header {
    background: linear-gradient(135deg, var(--petrogama-primary), var(--petrogama-secondary)) !important;
    border-bottom: none;
}

/* Tablas mejoradas */
.table {
    font-size: 0.875rem;
}

    .table th {
        background-color: var(--petrogama-primary);
        color: white;
        font-weight: 600;
        border: none;
        padding: 0.75rem;
    }

.table-hover tbody tr:hover {
    background-color: rgba(46, 134, 193, 0.1);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Botones personalizados */
.btn-primary {
    background-color: var(--petrogama-primary);
    border-color: var(--petrogama-primary);
}

    .btn-primary:hover {
        background-color: var(--petrogama-secondary);
        border-color: var(--petrogama-secondary);
    }

.btn-outline-primary {
    color: var(--petrogama-primary);
    border-color: var(--petrogama-primary);
}

    .btn-outline-primary:hover {
        background-color: var(--petrogama-primary);
        border-color: var(--petrogama-primary);
    }

/* Formularios */
.form-label {
    font-weight: 600;
    color: var(--petrogama-dark);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
}

    .form-control:focus, .form-select:focus {
        border-color: var(--petrogama-secondary);
        box-shadow: 0 0 0 0.2rem rgba(46, 134, 193, 0.25);
    }

/* Modales */
.modal-header {
    background: linear-gradient(135deg, var(--petrogama-primary), var(--petrogama-secondary));
    color: white;
}

.modal-title {
    font-weight: 600;
}

/* Canvas para firmas */
#canvas-firma {
    background: white;
    border: 2px dashed #dee2e6;
    border-radius: 0.375rem;
    cursor: crosshair;
}

.firma-preview {
    max-width: 100%;
    max-height: 80px;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
}

/* Badges personalizados */
.badge {
    font-size: 0.75em;
}

.bg-primary {
    background-color: var(--petrogama-primary) !important;
}

/* Alertas personalizadas */
.alert {
    border: none;
    border-radius: 0.5rem;
}

.alert-info {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--petrogama-secondary);
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--petrogama-danger);
}

/* Navbar personalizado */
.navbar-dark {
    background: linear-gradient(135deg, var(--petrogama-primary), var(--petrogama-dark)) !important;
}

.navbar-brand {
    font-weight: 700;
}

/* Spinners */
.spinner-border {
    color: var(--petrogama-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .table-responsive {
        font-size: 0.8rem;
    }

    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.775rem;
    }

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

/* Estados de carga */
#cargando, #cargando-pdf {
    color: var(--petrogama-primary);
}

/* Campos requeridos */
.required::after {
    content: " *";
    color: var(--petrogama-danger);
}

/* Separadores */
hr {
    border-top: 2px solid var(--petrogama-light);
    opacity: 1;
}

/* Grupos de formularios */
.form-group {
    margin-bottom: 1rem;
}

/* Preview de firmas */
.firma-preview-container {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}