/* =============================================================================
   List Popover — Add-to-list dropdown component
   Styles use theme variables exclusively (no hardcoded colors).
   ============================================================================= */

/* ── Popover container ──────────────────────────────────────────────────────── */
.list-popover {
    position: absolute;
    z-index: var(--z-popover, 3500);
    width: 240px;
    background: var(--surface-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md, 10px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    overflow: hidden;
}

.list-popover.hidden {
    display: none;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */
.list-popover-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px 8px;
    border-bottom: 1px solid var(--border-secondary);
}

.list-popover-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.list-popover-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 14px;
    cursor: pointer;
    padding: 2px 5px;
    border-radius: 4px;
    line-height: 1;
    transition: color 0.12s, background 0.12s;
}

.list-popover-close:hover {
    color: var(--text-primary);
    background: var(--surface-tertiary);
}

/* ── Items list ─────────────────────────────────────────────────────────────── */
.list-popover-items {
    padding: 6px 0;
    max-height: 240px;
    overflow-y: auto;
}

.list-popover-loading,
.list-popover-error,
.list-popover-empty {
    padding: 14px 16px;
    font-size: 13px;
    color: var(--text-tertiary);
    text-align: center;
}

.list-popover-error {
    color: var(--color-error);
}

/* ── Individual list item (checkbox row) ────────────────────────────────────── */
.list-popover-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    cursor: pointer;
    user-select: none;
    transition: background 0.1s;
}

.list-popover-item:hover {
    background: var(--interactive-hover, var(--surface-tertiary));
}

.list-popover-checkbox {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.list-popover-item-name {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.list-popover-item-count {
    font-size: 11px;
    color: var(--text-tertiary);
    background: var(--surface-tertiary);
    padding: 1px 7px;
    border-radius: 10px;
    flex-shrink: 0;
}

/* ── Quantity stepper (shown when card is in the list) ──────────────────────── */
.list-popover-qty-stepper {
    display: flex;
    align-items: center;
    gap: 3px;
    flex-shrink: 0;
}

.list-popover-qty-btn {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.list-popover-qty-btn:hover {
    background: var(--interactive-hover, var(--surface-tertiary));
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.list-popover-qty-val {
    min-width: 18px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ── Footer ─────────────────────────────────────────────────────────────────── */
.list-popover-footer {
    padding: 6px 8px 8px;
    border-top: 1px solid var(--border-secondary);
}

.list-popover-create-btn {
    width: 100%;
    padding: 6px 10px;
    background: none;
    border: 1px dashed var(--border-primary);
    border-radius: var(--radius-sm, 6px);
    color: var(--color-primary);
    font-size: 13px;
    cursor: pointer;
    text-align: left;
    transition: background 0.12s, border-color 0.12s;
}

.list-popover-create-btn:hover {
    background: var(--interactive-hover, var(--surface-tertiary));
    border-color: var(--color-primary);
}

/* ── Create list inline form ────────────────────────────────────────────────── */
.list-popover-create-form {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.list-popover-create-input {
    width: 100%;
    padding: 7px 10px;
    background: var(--input-bg, var(--surface-secondary));
    border: 1px solid var(--input-border, var(--border-primary));
    border-radius: var(--radius-sm, 6px);
    color: var(--text-primary);
    font-size: 13px;
    box-sizing: border-box;
}

.list-popover-create-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.list-popover-create-actions {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
}

.list-popover-create-cancel {
    padding: 5px 10px;
    background: none;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm, 6px);
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
}

.list-popover-create-cancel:hover {
    background: var(--surface-tertiary);
}

.list-popover-create-confirm {
    padding: 5px 12px;
    background: var(--button-primary-bg, var(--color-primary));
    border: none;
    border-radius: var(--radius-sm, 6px);
    color: var(--button-primary-text, #fff);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
}

.list-popover-create-confirm:hover {
    background: var(--button-primary-hover, var(--color-primary));
    opacity: 0.9;
}

/* =============================================================================
   Card "+" trigger button
   Applied to card images in grid views (card browser + collection).
   The parent container must have position: relative.
   ============================================================================= */

.card-add-to-list-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    z-index: 10;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    opacity: 0;
    transition: opacity 0.15s ease, background 0.15s ease;
}

/* Show on parent hover */
.card-image:hover .card-add-to-list-btn,
.collection-card-image-container:hover .card-add-to-list-btn {
    opacity: 1;
}

.card-add-to-list-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* Touch devices — always show (no hover state) */
@media (hover: none) {
    .card-add-to-list-btn {
        opacity: 0.85;
    }
}

/* =============================================================================
   Collection list view — "Add to List" inline button
   ============================================================================= */

.collection-add-to-list-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    font-size: 13px;
    background: none;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm, 6px);
    color: var(--color-primary);
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.12s, border-color 0.12s;
}

.collection-add-to-list-btn:hover {
    background: var(--interactive-hover, var(--surface-tertiary));
    border-color: var(--color-primary);
}