/* ============================================
   CCB Corporate Design System V2
   Component: Accordion
   ============================================ */

.accordion {
    border-radius: var(--radius-lg);
}

.accordion-item {
    border: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-3);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.accordion-item:last-child {
    margin-bottom: 0;
}

.accordion-item.active {
    border-color: var(--ccb-orange);
    box-shadow: 0 4px 16px rgba(241, 90, 34, 0.15);
    transform: translateY(-2px);
}

.accordion-header {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--white);
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    transition: all 0.3s ease;
    position: relative;
}

.accordion-header:hover {
    background: linear-gradient(135deg, rgba(241, 90, 34, 0.05) 0%, rgba(241, 90, 34, 0.1) 100%);
}

.accordion-item.active .accordion-header {
    background: linear-gradient(135deg, var(--ccb-orange) 0%, #d94e1e 100%);
    color: var(--white);
    box-shadow: inset 0 -2px 8px rgba(0, 0, 0, 0.1);
}

.accordion-icon {
    margin-right: var(--spacing-3);
    font-size: var(--font-size-lg);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.accordion-item.active .accordion-icon {
    opacity: 1;
    transform: scale(1.1);
}

.accordion-title {
    flex: 1;
}

.accordion-chevron {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--font-size-sm);
    opacity: 0.6;
    margin-left: var(--spacing-3);
}

.accordion-item.active .accordion-chevron {
    transform: rotate(180deg);
    opacity: 1;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    opacity: 0;
}

.accordion-content.show {
    max-height: 2000px;
    opacity: 1;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease 0.1s;
}

.accordion-body {
    padding: var(--spacing-5);
    color: var(--gray-700);
    line-height: 1.8;
    background: linear-gradient(to bottom, rgba(241, 90, 34, 0.02) 0%, transparent 20%);
    border-top: 1px solid rgba(241, 90, 34, 0.1);
}

/* Accordion Variants */
.accordion-bordered .accordion-item {
    border: 2px solid var(--gray-300);
}

.accordion-bordered .accordion-item.active {
    border-color: var(--ccb-orange);
}

.accordion-default .accordion-item {
    border: none;
    border-bottom: 1px solid var(--gray-200);
    border-radius: 0;
    margin-bottom: 0;
}

.accordion-default .accordion-item:last-child {
    border-bottom: none;
}

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

.accordion-item.active .accordion-body {
    animation: accordionFadeIn 0.3s ease-out;
}

/* ============================================
   Card Accordion (for Cards.cshtml)
   ============================================ */

.card-accordion {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-3);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-accordion:last-child {
    margin-bottom: 0;
}

.card-accordion.active {
    border-color: var(--ccb-orange);
    box-shadow: 0 4px 12px rgba(241, 90, 34, 0.12);
}

.card-accordion-header {
    padding: var(--spacing-4) var(--spacing-5);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    transition: all 0.3s ease;
    background: var(--white);
}

.card-accordion-header:hover {
    background: linear-gradient(135deg, rgba(241, 90, 34, 0.03) 0%, rgba(241, 90, 34, 0.08) 100%);
}

.card-accordion.active .card-accordion-header {
    background: linear-gradient(135deg, var(--ccb-orange-50) 0%, rgba(241, 90, 34, 0.08) 100%);
    color: var(--ccb-orange);
}

.card-accordion-icon {
    font-size: 0.875rem;
    color: var(--gray-500);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-accordion.active .card-accordion-icon {
    color: var(--ccb-orange);
    transform: rotate(180deg);
}

.card-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 var(--spacing-5);
}

.card-accordion.active .card-accordion-body {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid rgba(241, 90, 34, 0.1);
}