/* ============================================
   SMOOTH ACCORDION ANIMATIONS
   Enhanced Bootstrap accordion with better UX
   ============================================ */

/* Accordion Item Base */
.accordion-item {
    margin-bottom: 8px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

/* Accordion Header/Button */
.accordion-button {
    position: relative;
    font-weight: 600;
    font-size: 14px;
    padding: 14px 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: white;
    border: none;
}

.accordion-button:hover:not(:disabled) {
    background-color: #f8f9fa;
    color: #2B5631;
}

.accordion-button:not(.collapsed) {
    background-color: #2B5631;
    color: white;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(43, 86, 49, 0.25);
    outline: none;
}

/* Disabled State */
.accordion-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #f5f5f5;
    color: #999;
}

/* Chevron Icon Animation */
.accordion-button::after {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-button:not(.collapsed)::after {
    transform: rotate(-180deg);
}

/* Accordion Body - Smooth Expand/Collapse */
.accordion-collapse {
    transition: height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.25s ease-in-out,
                padding 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-collapse.collapsing {
    opacity: 0.5;
}

.accordion-collapse.show {
    opacity: 1;
}

.accordion-body {
    padding: 16px;
    background-color: white;
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Fade In Up Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Active State Border Accent */
.accordion-item:has(.accordion-button:not(.collapsed)) {
    border-left: 4px solid #2B5631;
    border-color: #2B5631;
}

/* Loading State (Optional Enhancement) */
.accordion-button.loading::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

/* Smooth Scrolling for Accordion Container */
.accordion {
    scroll-behavior: smooth;
}

/* Focus Visible for Keyboard Navigation */
.accordion-button:focus-visible {
    outline: 2px solid #2B5631;
    outline-offset: 2px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .accordion-button {
        font-size: 13px;
        padding: 12px 14px;
    }
    
    .accordion-body {
        padding: 12px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .accordion-button,
    .accordion-button::after,
    .accordion-collapse,
    .accordion-item {
        transition: none !important;
        animation: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .accordion-item {
        border-width: 2px;
    }
    
    .accordion-button:not(.collapsed) {
        border: 2px solid #2B5631;
    }
}

/* Print Styles */
@media print {
    .accordion-button {
        background-color: white !important;
        color: black !important;
    }
    
    .accordion-collapse {
        display: block !important;
        height: auto !important;
    }
}