/**
 * WPDM Accordion - Modern Stylesheet
 * Version: 3.1.0
 * Uses WPDM core CSS variables from .w3eden with fallbacks
 * BEM naming: .wpdm-accordion, __item, __header, __panel, etc.
 */

/* Container */
.w3eden .wpdm-accordion {
    font-family: var(--wpdm-font, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif);
    color: var(--text-primary, #1e293b);
    line-height: 1.5;
}

/* Item */
.w3eden .wpdm-accordion__item {
    background: var(--bg-body, #ffffff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: var(--radius, 8px);
    margin-bottom: 8px;
    box-shadow: var(--shadow-sm, 0 1px 2px 0 rgba(0, 0, 0, 0.05));
    overflow: hidden;
    transition: box-shadow var(--transition, 150ms cubic-bezier(0.4, 0, 0.2, 1));
}

.w3eden .wpdm-accordion__item:last-child {
    margin-bottom: 0;
}

.w3eden .wpdm-accordion__item:hover {
    box-shadow: var(--shadow, 0 1px 3px 0 rgba(0, 0, 0, 0.1));
}

/* Header (button) */
.w3eden .wpdm-accordion__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary, #f8fafc);
    border: none;
    border-bottom: 1px solid transparent;
    cursor: pointer;
    text-align: left;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary, #1e293b);
    font-family: inherit;
    line-height: 1.4;
    transition: background-color var(--transition, 150ms cubic-bezier(0.4, 0, 0.2, 1)), border-color var(--transition, 150ms cubic-bezier(0.4, 0, 0.2, 1));
    outline: none;
}

.w3eden .wpdm-accordion__header:hover {
    background: var(--bg-tertiary, #f1f5f9);
}

.w3eden .wpdm-accordion__header:focus-visible {
    box-shadow: inset 0 0 0 2px var(--color-primary, #4a8eff);
    background: var(--color-primary-light, rgba(74, 142, 255, 0.1));
}

.w3eden .wpdm-accordion__item--open > .wpdm-accordion__header {
    border-bottom-color: var(--border-color, #e2e8f0);
    color: var(--color-primary, #4a8eff);
}

/* Title */
.w3eden .wpdm-accordion__title {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Chevron icon */
.w3eden .wpdm-accordion__chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-left: 12px;
    color: var(--text-muted, #94a3b8);
    transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1), color var(--transition, 150ms cubic-bezier(0.4, 0, 0.2, 1));
}

.w3eden .wpdm-accordion__item--open > .wpdm-accordion__header .wpdm-accordion__chevron {
    transform: rotate(180deg);
    color: var(--color-primary, #4a8eff);
}

/* Panel — CSS grid expand/collapse */
.w3eden .wpdm-accordion__panel {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.w3eden .wpdm-accordion__item--open > .wpdm-accordion__panel {
    grid-template-rows: 1fr;
}

.w3eden .wpdm-accordion__body {
    overflow: hidden;
}

.w3eden .wpdm-accordion__content {
    padding: 16px 18px;
}

/* Loading state */
.w3eden .wpdm-accordion__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 24px 18px;
    color: var(--text-muted, #94a3b8);
    font-size: 13px;
}

.w3eden .wpdm-accordion__spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color, #e2e8f0);
    border-top-color: var(--color-primary, #4a8eff);
    border-radius: 50%;
    animation: wpdm-acc-spin 0.7s linear infinite;
}

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

/* Error state */
.w3eden .wpdm-accordion__error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 24px 18px;
    color: var(--color-danger, #ef4444);
    font-size: 13px;
}

.w3eden .wpdm-accordion__retry {
    padding: 4px 12px;
    border: 1px solid #fca5a5;
    border-radius: var(--radius-sm, 4px);
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    font-size: 12px;
    cursor: pointer;
    transition: background-color var(--transition, 150ms cubic-bezier(0.4, 0, 0.2, 1));
}

.w3eden .wpdm-accordion__retry:hover {
    background: rgba(239, 68, 68, 0.15);
}

/* Packages list */
.w3eden .wpdm-accordion__packages {
    list-style: none;
    margin: 0;
    padding: 0;
}

.w3eden .wpdm-accordion__packages > li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color, #e2e8f0);
}

.w3eden .wpdm-accordion__packages > li:last-child {
    border-bottom: none;
}

/* Empty state */
.w3eden .wpdm-accordion__empty {
    padding: 20px 18px;
    text-align: center;
    color: var(--color-warning, #f59e0b);
    font-size: 13px;
    background: rgba(245, 158, 11, 0.08);
    border-radius: var(--radius-sm, 4px);
    margin: 0;
}

/* Nested accordions */
.w3eden .wpdm-accordion__content > .wpdm-accordion {
    margin-bottom: 8px;
}

.w3eden .wpdm-accordion__content > .wpdm-accordion .wpdm-accordion__item {
    box-shadow: none;
    border-color: var(--border-color, #e2e8f0);
}

.w3eden .wpdm-accordion__content > .wpdm-accordion .wpdm-accordion__header {
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 500;
    background: var(--bg-body, #ffffff);
}

.w3eden .wpdm-accordion__content > .wpdm-accordion .wpdm-accordion__header:hover {
    background: var(--bg-secondary, #f8fafc);
}

/* ==========================================================================
   Dark Mode — manual (.dark-mode class on .w3eden)
   ========================================================================== */

.w3eden.dark-mode .wpdm-accordion {
    color: var(--dm-text, #f1f5f9);
}

.w3eden.dark-mode .wpdm-accordion__item {
    background: var(--dm-bg-secondary, #1e293b);
    border-color: var(--dm-border, rgba(255, 255, 255, 0.1));
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
}

.w3eden.dark-mode .wpdm-accordion__item:hover {
    box-shadow: 0 2px 6px 0 rgba(0, 0, 0, 0.3);
}

.w3eden.dark-mode .wpdm-accordion__header {
    background: var(--dm-bg-secondary, #1e293b);
    color: var(--dm-text, #f1f5f9);
}

.w3eden.dark-mode .wpdm-accordion__header:hover {
    background: var(--dm-bg-tertiary, #334155);
}

.w3eden.dark-mode .wpdm-accordion__header:focus-visible {
    background: rgba(var(--color-primary-rgb, 74, 142, 255), 0.15);
}

.w3eden.dark-mode .wpdm-accordion__item--open > .wpdm-accordion__header {
    border-bottom-color: var(--dm-border, rgba(255, 255, 255, 0.1));
}

.w3eden.dark-mode .wpdm-accordion__chevron {
    color: var(--dm-text-muted, #94a3b8);
}

.w3eden.dark-mode .wpdm-accordion__loading {
    color: var(--dm-text-muted, #94a3b8);
}

.w3eden.dark-mode .wpdm-accordion__spinner {
    border-color: var(--dm-border, rgba(255, 255, 255, 0.1));
    border-top-color: var(--color-primary, #4a8eff);
}

.w3eden.dark-mode .wpdm-accordion__packages > li {
    border-bottom-color: var(--dm-border, rgba(255, 255, 255, 0.1));
}

.w3eden.dark-mode .wpdm-accordion__empty {
    background: rgba(251, 191, 36, 0.1);
    color: #fbbf24;
}

.w3eden.dark-mode .wpdm-accordion__error {
    color: #f87171;
}

.w3eden.dark-mode .wpdm-accordion__retry {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.w3eden.dark-mode .wpdm-accordion__retry:hover {
    background: rgba(239, 68, 68, 0.2);
}

.w3eden.dark-mode .wpdm-accordion__content > .wpdm-accordion .wpdm-accordion__item {
    border-color: var(--dm-border, rgba(255, 255, 255, 0.1));
}

.w3eden.dark-mode .wpdm-accordion__content > .wpdm-accordion .wpdm-accordion__header {
    background: var(--dm-bg-secondary, #1e293b);
}

.w3eden.dark-mode .wpdm-accordion__content > .wpdm-accordion .wpdm-accordion__header:hover {
    background: var(--dm-bg-tertiary, #334155);
}

/* ==========================================================================
   Dark Mode — system preference (no .dark-mode or .light-mode class)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    .w3eden:not(.light-mode) .wpdm-accordion {
        color: var(--dm-text, #f1f5f9);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__item {
        background: var(--dm-bg-secondary, #1e293b);
        border-color: var(--dm-border, rgba(255, 255, 255, 0.1));
        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__item:hover {
        box-shadow: 0 2px 6px 0 rgba(0, 0, 0, 0.3);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__header {
        background: var(--dm-bg-secondary, #1e293b);
        color: var(--dm-text, #f1f5f9);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__header:hover {
        background: var(--dm-bg-tertiary, #334155);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__header:focus-visible {
        background: rgba(var(--color-primary-rgb, 74, 142, 255), 0.15);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__item--open > .wpdm-accordion__header {
        border-bottom-color: var(--dm-border, rgba(255, 255, 255, 0.1));
    }

    .w3eden:not(.light-mode) .wpdm-accordion__chevron {
        color: var(--dm-text-muted, #94a3b8);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__loading {
        color: var(--dm-text-muted, #94a3b8);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__spinner {
        border-color: var(--dm-border, rgba(255, 255, 255, 0.1));
        border-top-color: var(--color-primary, #4a8eff);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__packages > li {
        border-bottom-color: var(--dm-border, rgba(255, 255, 255, 0.1));
    }

    .w3eden:not(.light-mode) .wpdm-accordion__empty {
        background: rgba(251, 191, 36, 0.1);
        color: #fbbf24;
    }

    .w3eden:not(.light-mode) .wpdm-accordion__error {
        color: #f87171;
    }

    .w3eden:not(.light-mode) .wpdm-accordion__retry {
        background: rgba(239, 68, 68, 0.1);
        border-color: rgba(239, 68, 68, 0.3);
        color: #f87171;
    }

    .w3eden:not(.light-mode) .wpdm-accordion__retry:hover {
        background: rgba(239, 68, 68, 0.2);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__content > .wpdm-accordion .wpdm-accordion__item {
        border-color: var(--dm-border, rgba(255, 255, 255, 0.1));
    }

    .w3eden:not(.light-mode) .wpdm-accordion__content > .wpdm-accordion .wpdm-accordion__header {
        background: var(--dm-bg-secondary, #1e293b);
    }

    .w3eden:not(.light-mode) .wpdm-accordion__content > .wpdm-accordion .wpdm-accordion__header:hover {
        background: var(--dm-bg-tertiary, #334155);
    }
}