.unidocu-panel {
    width:100%;
    background-color: var(--color-surface);
    border: 1px solid rgba(var(--color-primary-rgb), 0.35);   /* 테마 강조색을 옅게 (원색은 과함) */
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    box-sizing: border-box;   /* border 포함폭으로 우측 테두리가 overflow에 잘리던 것 방지 */
}

.unidocu-panel header {
    position: relative; /* .file-attach-collapsed-hint 중앙 정렬 기준점 */
    display: flex;
    align-items: center;
    padding: 0 14px;
    height: 44px;
    width: 100%;
    box-sizing: border-box;
}

.unidocu-panel header h2 {
    margin: 0;
    padding: 0;
    font-size: 13px;
    color: var(--color-surface-inverse);
}
.unidocu-panel header .file-attach-collapsed-hint,
.unidocu-panel header .evidence-panel-collapsed-hint,
.unidocu-panel header .panel-collapsed-hint {
    margin-left: 8px;
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.unidocu-panel header .file-attach-collapsed-hint i {
    font-size: 12px;
}
/* 정적 부모(unidocu-panel-header)를 건너뛰어 header 기준으로 중앙 정렬 */
.unidocu-panel header .file-attach-collapsed-hint {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin-left: 0;
    white-space: nowrap;
}
/* 첨부파일 패널이 접힌 상태에서 헤더가 곧 드롭존 — 헤더 전체를 칠하지 않고,
   열림 상태 드롭존(qq-persist-drop.drag-over)처럼 안쪽에 점선 박스로 표시 */
.unidocu-panel header.drag-over-collapsed::before {
    content: '';
    position: absolute;
    top: 6px; right: 8px; bottom: 6px; left: 8px;
    border: 1.5px dashed var(--color-primary);
    border-radius: var(--radius-md);
    background-color: var(--color-primary-subtle);
    pointer-events: none; /* 드래그 이벤트가 헤더(실제 드롭존)에 그대로 전달되도록 */
}
.unidocu-panel header.drag-over-collapsed .file-attach-collapsed-hint,
.unidocu-panel header.drag-over-collapsed .file-attach-collapsed-hint i {
    color: var(--color-primary);
}
/* PC증빙(qq-upload-button)은 라이브러리가 position:relative를 줘서 오버레이 위에 그려지는데,
   일반 버튼(모바일증빙 등)은 static이라 오버레이에 덮여 어두워 보임 — 드래그 중엔 ctrls 전체를 오버레이 위로 */
.unidocu-panel header.drag-over-collapsed .unidocu-panel-ctrls {
    position: relative;
}
.unidocu-panel header .unidocu-badge.file-count {
    margin-left: 4px;
    font-weight: bold;
    color: #ff772b;
}

.unidocu-panel header .unidocu-panel-ctrls {
    margin-left: auto;
}

.unidocu-grid .unidocu-panel header .unidocu-panel-ctrls {
    margin: 0;
    margin-left: 4px;
    font-weight: bold;
    color: #ff772b;
}

.unidocu-panel header .unidocu-panel-ctrls span {
    text-align: center;
    display: inline-block;
}

.unidocu-panel header .unidocu-panel-ctrls .button-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 25px;
    cursor: pointer;
}
.unidocu-panel header .unidocu-panel-ctrls .button-icon:hover {background-color : rgba(216, 203, 203, 0.1);}
/* 색 미지정 아이콘(fa-th/fa-list 등) — 다크에서 보이도록 명시. 라이브러리 기본색을 이기려 !important */
#unipost-unidocu :root[data-mode="dark"] .unidocu-panel header .unidocu-panel-ctrls .button-icon,
html[data-mode="dark"] #unipost-unidocu .unidocu-panel header .unidocu-panel-ctrls .button-icon {
    color: var(--color-text-secondary) !important;
}
#unipost-unidocu :root[data-mode="dark"] .unidocu-panel header .unidocu-panel-ctrls .button-icon:hover,
html[data-mode="dark"] #unipost-unidocu .unidocu-panel header .unidocu-panel-ctrls .button-icon:hover {
    color: var(--color-text-primary) !important;
}

.unidocu-panel .unidocu-panel-body {position: relative;padding: 6px 12px;box-sizing: border-box;}
.unidocu-panel:has(.unidocu-form-table) .unidocu-panel-body {padding-bottom: 12px;}

.unidocu-panel.fine-uploader .unidocu-panel-body {padding: 8px 12px 12px;}
.unidocu-panel.fine-uploader .unidocu-panel-contents {
    overflow: hidden;
    padding: 0;
    border: 1px solid #eee;
    border-radius: 8px;
    background-color: #fff;
}
:root[data-mode="dark"] .unidocu-panel.fine-uploader .unidocu-panel-contents {
    border-color: var(--color-border);
    background-color: var(--color-surface);
}
.unidocu-panel.minus .content {display: none;}

.unidocu-panel header .unidocu-panel-header {
    display: flex;
    align-items: center;
}
/* 섹션 타입 아이콘 — $u.panel 팩토리가 icon-form/attach/grid를 부여해야 보임(기본 폭0).
   currentColor+mask라 헤더 텍스트색을 따라가 라이트/다크 자동 대응. */
.unidocu-panel header .unidocu-panel-header .panel-type-icon {
    width: 0; height: 16px; flex: none;
    color: var(--color-text-secondary);
    -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
    -webkit-mask-position: center; mask-position: center;
    -webkit-mask-size: 16px 16px; mask-size: 16px 16px;
    background-color: currentColor;
    /* 접기/펼치기 클릭 히트영역을 이 아이콘으로 이관 (unidocuPanel.js/fineUploader.js) */
    cursor: pointer;
}
.unidocu-panel header .unidocu-panel-header .panel-type-icon.icon-form,
.unidocu-panel header .unidocu-panel-header .panel-type-icon.icon-attach,
.unidocu-panel header .unidocu-panel-header .panel-type-icon.icon-grid {
    width: 16px; margin-right: 6px;
}
.unidocu-panel header .unidocu-panel-header .panel-type-icon.icon-form   { -webkit-mask-image: url('../images/i-panel-form.svg');   mask-image: url('../images/i-panel-form.svg'); }
.unidocu-panel header .unidocu-panel-header .panel-type-icon.icon-attach { -webkit-mask-image: url('../images/i-panel-attach.svg'); mask-image: url('../images/i-panel-attach.svg'); }
.unidocu-panel header .unidocu-panel-header .panel-type-icon.icon-grid   { -webkit-mask-image: url('../images/i-panel-grid.svg');   mask-image: url('../images/i-panel-grid.svg'); }
/* 구 스위치 아이콘(i-switch.svg)이 섹션 아이콘과 겹쳐 보여 이미지만 제거, 클릭 히트영역은 유지 */
.unidocu-panel header .unidocu-panel-header .button-icon.fa-minus,
.unidocu-panel header .unidocu-panel-header .button-icon.fa-plus {
    width: 28px;
    height: 34px;
    margin-left: -12px;
    opacity: .5;
    cursor: pointer;
}
.unidocu-panel header .unidocu-panel-header .button-icon.fa-minus::before,
.unidocu-panel header .unidocu-panel-header .button-icon.fa-plus::before {display: none;}
.unidocu-panel .content {border-top: 1px solid var(--color-border);}
html .unidocu-panel.fine-uploader header {justify-content: flex-end; cursor: pointer;}
html .unidocu-panel.fine-uploader header .unidocu-panel-header {margin-right: auto;}
html .unidocu-panel.fine-uploader header .unidocu-panel-ctrls {cursor: default;}
/* 헤더 전체 클릭으로 펼치기/접기를 확장한 패널 전용 마커 클래스 (예: 증빙정보 패널) —
   전체 패널에 영향을 주지 않도록 이 클래스가 붙은 패널에만 커서를 적용한다. */
.unidocu-panel.header-clickable header {cursor: pointer;}
.unidocu-panel.header-clickable header .unidocu-panel-ctrls {cursor: default;}
#debug-contents {
    background-color: #fff;
    padding: 16px;
    border-radius: 8px;
    box-sizing: border-box;
}
:root[data-mode="dark"] #debug-contents { background-color: var(--color-surface); }