:root{--blue:#0071dc;--blue-dark:#004c91;--yellow:#ffc220;--bg:#e9ebee;--surface:#fff;--text:#1a1f24;--muted:#5f6b76;--line:#e2e7ed;--ink:#161616;color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}.app{max-width:820px;min-height:100vh;margin:0 auto;padding-bottom:80px}.topbar{z-index:10;background:linear-gradient(135deg, var(--blue), var(--blue-dark));color:#fff;align-items:center;gap:10px;padding:10px 16px;display:flex;position:sticky;top:0}.topbar-title{font-size:17px;font-weight:700}.topbar-sub{opacity:.85;font-size:12px}.content{padding:12px}.page{position:relative}.page-title{margin:4px 0 12px;font-size:22px}.subtle{color:var(--muted);margin:-6px 0 16px;font-size:14px}.paper{background:#fff;border-radius:4px;padding:12px 10px 14px;box-shadow:0 1px 4px #00000026}.date-box{border:1.5px solid var(--ink);grid-template-columns:auto auto;margin-bottom:14px;display:inline-grid}.date-label{border-right:1.5px solid var(--ink);background:#f3f3f3;padding:8px 18px;font-size:13px;font-weight:700}.date-value{text-align:center;min-width:110px;padding:8px 18px;font-size:14px;font-weight:600}.block{margin-bottom:18px}.grid-scroll{-webkit-overflow-scrolling:touch;overflow-x:auto}.grid{border-collapse:separate;border-spacing:0;border-top:1.5px solid var(--ink);border-left:1.5px solid var(--ink);table-layout:fixed;background:#fff;width:100%;min-width:640px}.grid th,.grid td{border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);text-align:center;background:#fff;height:34px;padding:0}.grid th{color:var(--ink);background:#f3f3f3;padding:0 4px;font-size:13px;font-weight:700}.grid .role-col{width:82px}.grid .name-col{width:150px}.grid .time-col{width:94px}.grid th.name-col{text-align:center}.grid .name-col,.grid.has-role .role-col{z-index:2;position:sticky;left:0}.grid.has-role .name-col{left:82px}.role-cell{color:#333;padding:0 4px;font-size:11px;font-weight:700}.grid input{width:100%;height:100%;min-height:33px;color:var(--ink);text-align:center;background:0 0;border:none;border-radius:0;padding:0 4px;font-size:13px}.grid input[type=text]{text-align:left;padding:0 8px;font-weight:600}.grid input:focus{outline:2px solid var(--blue);outline-offset:-2px;background:#f2f8ff}.grid input[type=time]:invalid,.grid input[type=time]:placeholder-shown{color:#999}.read{white-space:nowrap;text-overflow:ellipsis;padding:0 6px;font-size:13px;display:block;overflow:hidden}.name-col .read{text-align:left;padding:0 8px;font-weight:600}.add-row{color:var(--blue);cursor:pointer;background:#fff;border:1px dashed #9aa5b0;border-radius:6px;margin-top:6px;padding:6px 12px;font-size:12px;font-weight:700}.empty{color:var(--muted);text-align:center;padding:30px 0}.fresh-btn{border:1px solid var(--blue);color:var(--blue);cursor:pointer;background:#fff;border-radius:99px;margin:20px auto 0;padding:10px 18px;font-size:14px;font-weight:700;display:block}.demo-note{color:var(--muted);text-align:center;margin-top:20px;font-size:12px}.history-list{flex-direction:column;gap:10px;display:flex}.history-item{background:var(--surface);color:inherit;border-radius:14px;justify-content:space-between;align-items:center;padding:14px 16px;text-decoration:none;display:flex;box-shadow:0 1px 3px #0000000f}.history-date{font-weight:700}.history-lead{color:var(--muted);margin-top:2px;font-size:13px}.history-score{color:var(--blue-dark);text-align:right;font-weight:800}.history-score span{color:var(--muted);font-size:11px;font-weight:500;display:block}.back{color:var(--blue);margin-bottom:8px;font-weight:600;text-decoration:none;display:inline-block}.bottomnav{z-index:20;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);background:#fff;justify-content:center;display:flex;position:fixed;bottom:0;left:0;right:0}.bottomnav a{max-width:320px;color:var(--muted);flex-direction:column;flex:1;align-items:center;padding:8px 0 10px;font-size:12px;font-weight:600;text-decoration:none;display:flex}.bottomnav a.active{color:var(--blue)}.nav-icon{font-size:20px}