:root{color-scheme:light;--background:#f7f8fa;--surface:#ffffff;--surface-muted:#eef2f5;--border:#d6dde5;--text:#17202a;--muted:#617080;--primary:#126c63;--primary-strong:#0b4f49;--accent:#315a9f;--danger:#b42318;--warning:#946200;--success:#137333;--shadow:0 10px 30px rgba(15,23,42,0.08)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--background);color:var(--text);font-family:Arial,Hiragino Sans,Yu Gothic,Meiryo,sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.button,button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);padding:8px 12px;cursor:pointer}.button.primary,button.primary{border-color:var(--primary);background:var(--primary);color:#fff}.button.danger,button.danger{border-color:#f1b8b2;color:var(--danger)}button:disabled{cursor:not-allowed;opacity:.55}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);padding:9px 10px}textarea{min-height:88px;resize:vertical}label{display:grid;grid-gap:6px;gap:6px;color:var(--muted);font-size:13px}table{width:100%;border-collapse:collapse}td,th{border-bottom:1px solid var(--border);padding:12px 10px;text-align:left;vertical-align:middle}th{color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:32px;background:linear-gradient(120deg,rgba(18,108,99,.12),rgba(49,90,159,.1)),var(--background)}.login-panel{width:min(420px,100%);background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:28px}.login-panel h1{margin:0 0 8px;font-size:24px}.login-panel p{margin:0 0 22px;color:var(--muted)}.form-stack{display:grid;grid-gap:14px;gap:14px}.error-box{border:1px solid #f1b8b2;border-radius:8px;background:#fff5f5;color:var(--danger);padding:10px 12px;font-size:14px}.admin-shell{min-height:100vh;display:grid;grid-template-columns:280px minmax(0,1fr)}.sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto;border-right:1px solid var(--border);background:#10202a;color:#e8eef2;padding:18px}.brand{display:grid;grid-gap:4px;gap:4px;padding:8px 8px 18px}.brand strong{font-size:16px}.brand span{color:#abc1cc;font-size:12px}.nav-group{display:grid;grid-gap:5px;gap:5px;margin:14px 0 20px}.nav-label{color:#89a1ad;font-size:11px;font-weight:700;letter-spacing:0;padding:0 8px}.logout-button,.nav-link{display:flex;align-items:center;gap:10px;width:100%;min-height:38px;border-radius:8px;color:#e8eef2;border:0;background:transparent;padding:8px;text-align:left}.logout-button:hover,.nav-link:hover{background:rgba(255,255,255,.08)}.main{min-width:0;padding:28px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.topbar h1{margin:0;font-size:24px}.topbar p{margin:4px 0 0;color:var(--muted)}.content-stack{display:grid;grid-gap:18px;gap:18px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:18px}.panel h2{margin:0 0 12px;font-size:18px}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px}.stats-grid.compact{grid-template-columns:repeat(6,minmax(0,1fr))}.stat{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px}.stat span{display:block;color:var(--muted);font-size:12px}.stat strong{display:block;margin-top:8px;font-size:26px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.filter-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px;align-items:end}.inline-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;grid-gap:10px;gap:10px;align-items:center}.checkbox-label{display:flex;align-items:center;gap:8px;min-height:38px}.actions input[type=checkbox],.checkbox-label input{width:auto}.table-wrap{overflow-x:auto}.badge{display:inline-flex;align-items:center;min-height:24px;border-radius:999px;background:var(--surface-muted);color:var(--muted);padding:2px 9px;font-size:12px;font-weight:700;white-space:nowrap}.badge.success{background:#e8f5ee;color:var(--success)}.badge.warning{background:#fff4d8;color:var(--warning)}.badge.danger{background:#fff0ee;color:var(--danger)}.tabs{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--border)}.tabs a{border:1px solid var(--border);border-bottom:0;border-radius:8px 8px 0 0;background:var(--surface-muted);color:var(--muted);padding:10px 12px;font-size:13px;font-weight:700}.tabs a.active{background:var(--surface);color:var(--primary-strong)}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px}.detail-grid div{display:grid;grid-gap:5px;gap:5px;border-bottom:1px solid var(--border);padding:8px 0}.detail-grid .full{grid-column:1/-1}.detail-grid span{color:var(--muted);font-size:12px;font-weight:700}.detail-grid strong{font-weight:600;white-space:pre-wrap}.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tag-list.compact{margin-top:0}.tag-chip{display:inline-flex;align-items:center;gap:6px;min-height:28px;border:1px solid var(--border);border-radius:999px;background:#fff;padding:3px 8px;font-size:12px;font-weight:700;white-space:nowrap}.tag-chip>span{width:10px;height:10px;border-radius:999px;background:var(--primary)}.icon-button{min-height:24px;width:24px;padding:2px}.item-list{display:grid;grid-gap:16px;gap:16px;margin-top:16px}.checklist-summary{display:grid;grid-gap:14px;gap:14px}.progress-bar{height:12px;overflow:hidden;border-radius:999px;background:var(--surface-muted)}.progress-bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--accent))}.checklist-group-list,.checklist-items{display:grid;grid-gap:14px;gap:14px}.checklist-group{border:1px solid var(--border);border-radius:8px;background:#fff;padding:0}.checklist-group summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;padding:14px 16px;color:var(--primary-strong);font-weight:700}.checklist-group .checklist-items,.checklist-group>p{margin:0;padding:0 16px 16px}.checklist-item{display:grid;grid-gap:12px;gap:12px;border-top:1px solid var(--border);padding-top:14px}.checklist-item:first-child{border-top:0}.checklist-item-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.checklist-item-head>div{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.detail-mini{display:grid;grid-gap:6px;gap:6px;color:var(--muted);font-size:13px}.detail-mini.full{grid-column:1/-1}.detail-mini strong{color:var(--text);font-weight:600;white-space:pre-wrap}.detail-mini-row{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:12px}.comment-form{display:grid;grid-template-columns:minmax(0,1fr) 160px auto;grid-gap:10px;gap:10px;align-items:start}.comment-form textarea{min-height:44px}.comment-list{display:grid;grid-gap:8px;gap:8px}.comment-list>div{display:grid;grid-gap:4px;gap:4px;border-left:3px solid var(--border);padding-left:10px}.comment-list p{margin:0;white-space:pre-wrap}.comment-list small{color:var(--muted)}.badge.status-completed{background:#e8f5ee;color:var(--success)}.badge.status-blocked,.badge.status-needs_review{background:#fff4d8;color:var(--warning)}.badge.status-not_applicable{background:#edf1f5;color:var(--muted)}.line-item{border-top:1px solid var(--border);padding-top:16px}.warning-panel{border-color:#f2c56b;background:#fffaf0}.compact-list{margin:10px 0 0;padding-left:20px;color:var(--text)}.deliverable-title-form{grid-template-columns:minmax(0,1fr) auto;margin-top:16px}.single-action-form{grid-template-columns:minmax(180px,260px) auto}.add-section-form{margin-top:20px;border-top:1px solid var(--border);padding-top:18px}.add-section-form h3{margin:0;font-size:16px}.file-upload-form{display:grid;grid-gap:14px;gap:14px;margin-top:16px;border-top:1px solid var(--border);padding-top:16px}.drop-zone{display:grid;place-items:center;grid-gap:8px;gap:8px;min-height:116px;border:2px dashed var(--border);border-radius:8px;background:#fbfcfd;color:var(--primary-strong);font-weight:700;cursor:pointer}.drop-zone input{display:none}.file-grid{display:grid;grid-gap:14px;gap:14px;margin-top:16px}.file-card{display:grid;grid-template-columns:116px minmax(0,1fr);grid-gap:14px;gap:14px;border:1px solid var(--border);border-radius:8px;background:#fff;padding:12px}.file-thumb{display:grid;place-items:center;width:100%;aspect-ratio:1;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:var(--surface-muted);color:var(--muted)}.file-thumb img{width:100%;height:100%;object-fit:cover}.file-card-body{display:grid;grid-gap:10px;gap:10px;min-width:0}.file-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.file-card h3{margin:0;font-size:16px;overflow-wrap:anywhere}.file-card p{margin:3px 0 0;overflow-wrap:anywhere}.file-edit{border-top:1px solid var(--border);padding-top:10px}.file-edit summary{cursor:pointer;color:var(--primary-strong);font-weight:700}.deliverable-paper,.deliverable-preview{display:grid;grid-gap:18px;gap:18px}.deliverable-paper h2,.deliverable-preview h3{margin:0;font-size:24px}.deliverable-preview section,.deliverable-section-preview{border-top:1px solid var(--border);padding-top:14px}.deliverable-preview h4,.deliverable-section-preview h3{margin:0 0 8px;font-size:16px}.deliverable-preview p,.deliverable-section-preview p,.notice-block{margin:0;white-space:pre-wrap}.notice-block{border-left:4px solid var(--warning);background:#fff8e5;color:#5f4200;padding:10px 12px}.muted-row{opacity:.72}.danger-text{color:var(--danger);font-weight:700}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.form-grid .full{grid-column:1/-1}.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.muted{color:var(--muted)}.mono{font-family:Consolas,SFMono-Regular,monospace;font-size:12px}@media (max-width:980px){.admin-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.comment-form,.detail-grid,.file-card,.filter-grid,.form-grid,.inline-form,.stats-grid,.stats-grid.compact{grid-template-columns:1fr}}