*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f7f7f8;color:#1a1a1a}.container{max-width:1200px;margin:0 auto;padding:24px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-header h1{font-size:22px;margin:0}button{font-size:14px;padding:8px 14px;border-radius:6px;border:1px solid #ccc;background:#fff;cursor:pointer}button.primary{background:#2563eb;color:#fff;border-color:#2563eb}button:disabled{opacity:.6;cursor:default}.filters{display:flex;gap:16px;margin-bottom:16px;flex-wrap:wrap}.filters label{display:flex;flex-direction:column;font-size:13px;color:#444;gap:4px}input,select,textarea{font-size:14px;padding:6px 8px;border:1px solid #ccc;border-radius:6px;font-family:inherit}.items-table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.08)}.items-table td,.items-table th{text-align:left;padding:10px 12px;border-bottom:1px solid #eee;font-size:14px;vertical-align:top}.items-table th{background:#fafafa;font-weight:600;color:#555}.row-overdue{background:#fff5f5}.status{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:600;background:#eee;color:#444}.status.overdue{background:#fde2e2;color:#c01c1c}.status.done{background:#e1f5e5;color:#1a7f37}.status.not-started{background:#eef2ff;color:#3730a3}.link-item{display:block;color:#2563eb;font-size:13px}.notes-cell{max-width:220px;white-space:pre-wrap}.actions-cell{display:flex;gap:6px;white-space:nowrap}.empty{text-align:center;color:#888;padding:24px}.error{color:#c01c1c}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto}.modal{background:#fff;border-radius:10px;padding:24px;width:100%;max-width:520px;display:flex;flex-direction:column;gap:12px}.modal h2{margin:0 0 4px;font-size:18px}.modal label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:#444;flex:1 1}.form-row{display:flex;gap:12px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.view-toggle{display:inline-flex;margin-bottom:16px}.view-toggle button{border-radius:0}.view-toggle button:first-child{border-radius:6px 0 0 6px}.view-toggle button:last-child{border-radius:0 6px 6px 0;border-left:none}.view-toggle button.active{background:#2563eb;color:#fff;border-color:#2563eb}.calendar{background:#fff;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.08);padding:16px}.cal-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:12px}.cal-toolbar h2{font-size:18px;margin:0 8px;min-width:160px;text-align:center}.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-top:1px solid #eee;border-left:1px solid #eee}.cal-weekday{font-size:12px;font-weight:600;color:#555;background:#fafafa;padding:6px}.cal-day,.cal-weekday{border-right:1px solid #eee;border-bottom:1px solid #eee}.cal-day{min-height:100px;padding:4px;display:flex;flex-direction:column;gap:3px;cursor:pointer;min-width:0}.cal-day:hover{background:#f8faff}.cal-day.empty-day{background:#fafafa;cursor:default}.cal-day.today .cal-day-number{background:#2563eb;color:#fff;border-radius:50%}.cal-day-number{font-size:12px;color:#555;width:22px;height:22px;display:flex;align-items:center;justify-content:center}.cal-chip{display:block;width:100%;text-align:left;font-size:12px;padding:3px 6px;border-radius:4px;border:none;background:#eef2ff;color:#3730a3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cal-chip.overdue{background:#fde2e2;color:#c01c1c}.cal-chip.done{background:#e1f5e5;color:#1a7f37;text-decoration:line-through}.cal-chip-platform{font-weight:600}.cal-undated{margin-top:16px;display:flex;flex-direction:column;gap:4px;max-width:320px}.cal-undated h3{font-size:14px;margin:0 0 4px;color:#555}@media (max-width:640px){.container{padding:16px}.cal-day{min-height:64px}.cal-chip{font-size:10px;padding:2px 3px}.cal-chip-platform{display:none}}.video-thumb{display:block;width:96px;border-radius:4px}.video-preview{width:100%;max-width:240px;border-radius:6px}.hint{margin:-4px 0 0;font-size:12px;color:#888}.attachments-field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#444}.attachment-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.attachment-list li{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#f5f5f7;border-radius:6px;padding:4px 8px}.attachment-list a{color:#2563eb;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.remove-file{padding:2px 8px;font-size:12px}.modal label.file-button{display:inline-block;align-self:flex-start;flex:none;padding:8px 14px;border:1px dashed #999;border-radius:6px;background:#fff;color:#1a1a1a;font-size:14px;cursor:pointer}.file-button input{display:none}.file-thumb{display:block;width:64px;height:48px;object-fit:cover;border-radius:4px;margin-bottom:4px}.items-table td:nth-child(4),.items-table td:nth-child(6){white-space:nowrap}