:root{--bg:#f4f5f7;--surface:#fff;--border:#e2e4e9;--text:#1f2430;--text-muted:#6b7280;--primary:#3b82f6;--primary-dark:#2563eb;--danger:#ef4444;--warning:#f59e0b;--success:#22c55e;--radius:10px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000f;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.loading-screen{justify-content:center;align-items:center;height:100vh;display:flex}.spinner{border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}header.app-header{background:var(--surface);border-bottom:1px solid var(--border);z-index:10;flex-wrap:wrap;align-items:center;gap:12px;padding:12px 20px;display:flex;position:sticky;top:0}header.app-header h1{margin:0 auto 0 0;font-size:1.25rem}.app-logo{width:28px;height:28px}.header-spacer{flex:auto}button{cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;padding:8px 14px;font-size:.9rem}button:hover{background:var(--bg)}button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover{background:var(--primary-dark)}button.danger{color:var(--danger);border-color:var(--danger)}button.danger:hover{background:#fef2f2}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;width:100%;padding:8px 10px;font-family:inherit;font-size:.9rem}main{max-width:1100px;margin:0 auto;padding:20px}.search-row{flex-wrap:wrap;gap:10px;margin-bottom:20px;display:flex}.search-row input[type=search]{flex:260px}.search-row select{flex:0 0 200px}.board-section{margin-bottom:28px}.board-section h2{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:10px;font-size:1rem}.task-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;display:grid}.task-card{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--text-muted);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px}.task-card.status-started{border-left-color:var(--success)}.task-card.status-overdue{border-left-color:var(--danger)}.task-card.status-soon{border-left-color:var(--warning)}.task-card.status-future{border-left-color:var(--text-muted)}.task-card h3{margin:0 0 8px;font-size:1rem}.task-card .due-line{color:var(--text-muted);margin-bottom:6px;font-size:.85rem}.task-card .due-line.overdue{color:var(--danger);font-weight:600}.task-card .planned-line{color:var(--primary);margin-bottom:6px;font-size:.8rem}.badges{flex-wrap:wrap;gap:6px;margin-bottom:10px;display:flex}.badge{background:var(--bg);border:1px solid var(--border);color:var(--text-muted);border-radius:999px;padding:2px 8px;font-size:.72rem}.card-actions{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.card-actions button{flex:auto;padding:6px 8px;font-size:.8rem}.modal-backdrop{z-index:100;background:#0f121980;justify-content:center;align-items:flex-start;padding:40px 16px;display:flex;position:fixed;inset:0;overflow-y:auto}.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:640px;box-shadow:var(--shadow);flex-direction:column;max-height:calc(100vh - 80px);display:flex}.modal.modal-wide{max-width:900px}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-header h2{margin:0;font-size:1.1rem}.modal-body{padding:20px;overflow-y:auto}.modal-footer{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:flex-end;gap:10px;padding:14px 20px;display:flex}.modal-footer .footer-left{gap:10px;margin-right:auto;display:flex}.form-row{margin-bottom:14px}.form-row label{margin-bottom:4px;font-size:.85rem;font-weight:600;display:block}.form-row .hint{color:var(--text-muted);margin-top:4px;font-size:.78rem}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.checklist-item{align-items:center;gap:8px;padding:4px 0;display:flex}.checklist-item input[type=checkbox]{width:auto}.checklist-item.done label{color:var(--text-muted);text-decoration:line-through}.file-list{margin:8px 0;padding:0;list-style:none}.file-list li{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:6px 0;font-size:.85rem;display:flex}.file-list li .file-name{flex:auto}.collapsible-block{border:1px solid var(--border);border-radius:8px;margin-bottom:10px}.collapsible-block summary{cursor:pointer;padding:10px 12px;font-size:.85rem;font-weight:600}.collapsible-block .collapsible-content{padding:0 12px 12px}.checkbox-list{border:1px solid var(--border);border-radius:8px;max-height:180px;padding:8px;overflow-y:auto}.checkbox-list label{align-items:center;gap:8px;padding:3px 0;font-weight:400;display:flex}.checkbox-list label input{width:auto}.tabs{border-bottom:1px solid var(--border);flex-wrap:wrap;gap:4px;margin-bottom:16px;display:flex}.tabs button{background:0 0;border:none;border-bottom:2px solid #0000;border-radius:0;padding:10px 14px}.tabs button.active{border-bottom-color:var(--primary);color:var(--primary);font-weight:600}.list-row{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:8px 0;display:flex}.list-row .grow{flex:auto}.list-row .meta{color:var(--text-muted);font-size:.78rem}.empty-state{color:var(--text-muted);text-align:center;padding:20px 0;font-size:.9rem}.status-line{color:var(--text-muted);padding:8px 20px;font-size:.85rem}.status-line.error{color:var(--danger);background:#fef2f2}.archive-run{border:1px solid var(--border);border-radius:8px;margin-bottom:10px}.archive-run summary{cursor:pointer;justify-content:space-between;gap:10px;padding:10px 12px;display:flex}.archive-run .run-detail{padding:0 12px 12px;font-size:.85rem}.file-preview-popover{z-index:200;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;max-width:260px;padding:6px;position:fixed}.file-preview-popover img{max-width:240px;max-height:240px;display:block}.markdown-block{white-space:pre-wrap;font-family:ui-monospace,monospace;font-size:.85rem}@media (width<=640px){.form-grid{grid-template-columns:1fr}}