/* ============================================
   CATEGORÍAS DE FACTURACIÓN - ESTILOS
   ============================================ */

.invoice-category-selector {
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.category-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    margin-bottom: 1rem;
}

.category-label i {
    color: var(--primary, #8b5cf6);
}

.category-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
}

.category-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 1rem 0.75rem;
    background: var(--bg-secondary, #f9fafb);
    border: 2px solid var(--border-color, #e5e7eb);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(139, 92, 246, 0.1));
    opacity: 0;
    transition: opacity 0.2s;
}

.category-btn:hover::before {
    opacity: 1;
}

.category-btn i {
    font-size: 1.75rem;
    color: var(--text-muted, #6b7280);
    transition: all 0.2s;
}

.category-btn span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    transition: all 0.2s;
}

.category-btn small {
    font-size: 0.75rem;
    color: var(--text-muted, #9ca3af);
    transition: all 0.2s;
}

/* Hover States */
.category-btn:hover {
    border-color: var(--primary, #8b5cf6);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

.category-btn:hover i {
    transform: scale(1.1);
}

/* Active State - Contado (Cash) */
.category-btn.active[data-category="cash"] {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-color: #10b981;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.category-btn.active[data-category="cash"] i,
.category-btn.active[data-category="cash"] span,
.category-btn.active[data-category="cash"] small {
    color: white;
}

.category-btn.active[data-category="cash"] i {
    animation: pulse-cash 1.5s infinite;
}

@keyframes pulse-cash {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Active State - Crédito (Credit) */
.category-btn.active[data-category="credit"] {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-color: #3b82f6;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.category-btn.active[data-category="credit"] i,
.category-btn.active[data-category="credit"] span,
.category-btn.active[data-category="credit"] small {
    color: white;
}

/* Active State - Cotización (Quote) */
.category-btn.active[data-category="quote"] {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-color: #f59e0b;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}

.category-btn.active[data-category="quote"] i,
.category-btn.active[data-category="quote"] span,
.category-btn.active[data-category="quote"] small {
    color: white;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .category-buttons {
        grid-template-columns: 1fr;
    }

    .category-btn {
        flex-direction: row;
        justify-content: flex-start;
        padding: 0.875rem 1rem;
        text-align: left;
    }

    .category-btn i {
        font-size: 1.5rem;
    }

    .category-btn span {
        font-size: 0.95rem;
    }

    .invoice-category-selector {
        padding: 1rem;
    }
}

/* ============================================
   DARK THEME
   ============================================ */

[data-theme="dark"] .invoice-category-selector {
    background: rgba(31, 41, 55, 0.5);
    border-color: rgba(75, 85, 99, 0.3);
}

[data-theme="dark"] .category-btn {
    background: rgba(55, 65, 81, 0.5);
    border-color: rgba(75, 85, 99, 0.5);
}

[data-theme="dark"] .category-btn:hover {
    background: rgba(75, 85, 99, 0.5);
}