/* ================================================================
   PC 用UI（横長3ペイン / 管理・修正・出力）
   ================================================================ */
.ui-desktop { height: 100%; }
.ui-desktop .dt-shell { height: 100%; display: flex; flex-direction: column; }
.ui-desktop .dt-topbar {
  display: flex; align-items: baseline; gap: 12px;
  padding: 10px 18px; background: #1f2937; color: #fff;
}
.ui-desktop .dt-brand { font-weight: 800; font-size: 16px; letter-spacing: .04em; }
.ui-desktop .dt-topbar-sub { font-size: 12px; opacity: .7; }
.ui-desktop .dt-body { flex: 1; display: grid; grid-template-columns: 260px 1fr 320px; min-height: 0; }

.ui-desktop .dt-left { border-right: 1px solid var(--c-line); background: var(--c-surface); overflow: auto; }
.ui-desktop .dt-left-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; font-weight: 800; border-bottom: 1px solid var(--c-line); }
.ui-desktop .dt-tree { padding: 8px; }
.ui-desktop .tree-site-btn { display: flex; align-items: center; gap: 6px; width: 100%; text-align: left; border: 0; background: transparent; padding: 8px; border-radius: var(--r-sm); font-weight: 700; color: var(--c-ink); }
.ui-desktop .tree-site.open > .tree-site-btn { background: #eff6ff; }
.ui-desktop .tree-site-btn:hover { background: #f1f5f9; }
.ui-desktop .tw { color: var(--c-ink-sub); font-size: 12px; }
.ui-desktop .tree-kids { padding: 2px 0 8px 18px; display: flex; flex-direction: column; gap: 2px; }
.ui-desktop .tree-proj { display: flex; align-items: center; gap: 6px; border: 0; background: transparent; text-align: left; padding: 6px 8px; border-radius: var(--r-sm); color: var(--c-ink); }
.ui-desktop .tree-proj:hover { background: #f1f5f9; }
.ui-desktop .tree-proj.active { background: var(--c-primary); color: #fff; }
.ui-desktop .tree-add { border: 1px dashed var(--c-line); background: transparent; color: var(--c-primary); padding: 6px; border-radius: var(--r-sm); font-weight: 700; font-size: 13px; }

.ui-desktop .dt-center { overflow: auto; padding: 20px; }
.ui-desktop .dt-right { border-left: 1px solid var(--c-line); background: var(--c-surface); overflow: auto; padding: 16px; }

.ui-desktop .dt-welcome { max-width: 520px; margin: 40px auto; text-align: center; color: var(--c-ink-sub); }
.ui-desktop .dt-welcome h1 { color: var(--c-ink); }

.ui-desktop .dt-site-head, .ui-desktop .dt-project-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.ui-desktop .dt-site-head h1, .ui-desktop .dt-project-head h1 { font-size: 20px; margin: 0; }
.ui-desktop .dt-section { margin-bottom: 26px; }
.ui-desktop .dt-section h2 { font-size: 15px; border-left: 4px solid var(--c-primary); padding-left: 8px; margin: 0 0 10px; }

.ui-desktop .dt-proj-table, .ui-desktop .dt-lib-table { display: flex; flex-direction: column; gap: 4px; }
.ui-desktop .dt-proj-row { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--c-line); border-radius: var(--r-sm); background: #fff; }
.ui-desktop .dt-proj-row:hover { border-color: var(--c-primary); }
.ui-desktop .dt-proj-name { font-weight: 700; flex: 1; }
.ui-desktop .dt-proj-meta { color: var(--c-ink-sub); font-size: 13px; }

.ui-desktop .dt-drop { border: 2px dashed var(--c-line); border-radius: var(--r-md); padding: 20px; text-align: center; display: flex; flex-direction: column; gap: 6px; align-items: center; background: #fff; }
.ui-desktop .dt-drop.drag-over { border-color: var(--c-primary); background: #eff6ff; }
.ui-desktop .dt-drop span { color: var(--c-ink-sub); font-size: 13px; }
.ui-desktop .dt-progress:empty { display: none; }
.ui-desktop .dt-progress { color: var(--c-primary); font-weight: 700; padding: 8px 0; font-size: 13px; }
.ui-desktop .dt-lib-row { display: grid; grid-template-columns: 64px 1fr auto auto; align-items: center; gap: 12px; padding: 8px; border: 1px solid var(--c-line); border-radius: var(--r-sm); background: #fff; }
.ui-desktop .dt-lib-thumb { width: 64px; height: 48px; object-fit: cover; background: #f1f5f9; border-radius: 4px; }
.ui-desktop .dt-lib-name { font-weight: 700; }
.ui-desktop .dt-lib-meta { color: var(--c-ink-sub); font-size: 12px; }
.ui-desktop .dt-lib-ops { display: flex; gap: 4px; }

/* ワークスペース */
.ui-desktop .dt-project-body { display: grid; grid-template-rows: minmax(0, 1fr) 40%; height: calc(100vh - 190px); gap: 12px; }
.ui-desktop .dt-viewer { position: relative; border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: hidden; }
.ui-desktop .dt-table-wrap { border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: auto; background: #fff; padding: 10px; }
.ui-desktop .inline-field { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--c-ink-sub); }
.ui-desktop .field-input.inline { min-height: 34px; padding: 4px 8px; }

.ui-desktop .dt-marker-table { display: flex; flex-direction: column; }
.ui-desktop .dmt-row { display: grid; grid-template-columns: 54px 72px 1fr auto; align-items: center; gap: 10px; padding: 8px 6px; border-bottom: 1px solid #eef0f3; }
.ui-desktop .dmt-row.head { font-size: 12px; color: var(--c-ink-sub); font-weight: 700; border-bottom: 2px solid var(--c-line); }
.ui-desktop .dmt-row:not(.head) { cursor: pointer; }
.ui-desktop .dmt-row.active { background: #eff6ff; }
.ui-desktop .dmt-num { width: 30px; height: 30px; border-radius: 999px; color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: 15px; }
.ui-desktop .dmt-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--c-ink-sub); }

.ui-desktop .dt-detail h2 { font-size: 16px; margin: 0 0 10px; }
.ui-desktop .dt-detail .btn { width: 100%; margin-top: 12px; }