html.theme-line:not(.theme-vault),html.theme-line:not(.theme-vault) body{background:#f5f5f5;overflow:hidden;overscroll-behavior:none}html.theme-line.line-dark:not(.theme-vault),html.theme-line.line-dark:not(.theme-vault) body{background:#121214}.ruler{position:fixed;inset:0;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:none;background:linear-gradient(180deg,#fefefe,#f5f5f5 40%,#ececec);--fg2:#1a1a1a;--tick:#222;--plaque:#2c2c2c;--tabbg:#757575;--icons:#f2f2f2}.ruler.dark{background:linear-gradient(180deg,#1c1c1e,#121214 55%,#0c0c0e);--fg2:#e8e8e8;--tick:#d0d0d0;--plaque:#3a3a3c;--tabbg:#2c2c2e}.ruler .ticks{position:absolute;top:0;left:0;width:86px;z-index:5;pointer-events:none}.ruler .tapzone{position:absolute;left:0;top:50px;width:100px;bottom:60px;z-index:8;display:none}.ruler.marking .tapzone{display:block;cursor:crosshair}.ruler .redline{position:absolute;left:0;right:0;height:0;border-top:1.5px solid #ff2a1a;pointer-events:none;z-index:12;opacity:.92}.ruler .handle{position:absolute;width:50px;height:50px;right:100px;transform:translateY(-50%);cursor:-webkit-grab;cursor:grab;touch-action:none;z-index:30}.ruler .handle .ball{inset:0;border-radius:50%;background:#e53935}.ruler .handle .ball,.ruler .plaque{position:absolute;box-shadow:0 2px 6px rgba(0,0,0,.25)}.ruler .plaque{left:92px;height:32px;padding:0 14px;background:var(--plaque);color:#fff;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;letter-spacing:.15px;transform:translateY(-50%);z-index:18;white-space:nowrap;pointer-events:none}.ruler .dash{position:absolute;width:0;border-left:1.6px dashed #ff2a1a;right:124px;z-index:14;pointer-events:none;opacity:.95}.ruler .dist{position:absolute;right:62px;height:36px;padding:0 8px 0 14px;background:var(--plaque);border-radius:18px;gap:8px;font-size:15px;font-weight:600;transform:translateY(-50%);box-shadow:0 3px 8px rgba(0,0,0,.28);z-index:22;white-space:nowrap}.ruler .dist,.ruler .plus{color:#fff;display:flex;align-items:center}.ruler .plus{width:26px;height:26px;border-radius:50%;border:1.5px solid #d4d4d4;justify-content:center;font-size:18px;font-weight:300;line-height:1;background:none;padding:0;flex-shrink:0;cursor:pointer}.ruler .plus:active{background:rgba(255,255,255,.12)}.ruler .mark{left:2px;width:70px;height:0;border-top:2.5px solid #1e88e5;z-index:16;pointer-events:none}.ruler .mark,.ruler .mark span{position:absolute;transform:translateY(-50%)}.ruler .mark span{left:74px;top:50%;background:#1e88e5;color:#fff;font-size:11px;font-weight:700;padding:2px 7px;border-radius:8px;white-space:nowrap}.ruler .tabbar{position:absolute;left:50%;transform:translateX(-50%);width:186px;bottom:0;height:calc(50px + env(safe-area-inset-bottom));background:var(--tabbg);border-radius:18px 18px 0 0;display:flex;align-items:flex-start;justify-content:space-around;padding:5px 10px env(safe-area-inset-bottom);z-index:40;box-shadow:0 -2px 10px rgba(0,0,0,.12)}.ruler .tab{position:relative;width:44px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:10px;background:none;border:0;padding:0}.ruler .tab svg{display:block;stroke:var(--icons)}.ruler .tab.active{background:rgba(255,255,255,.18)}.ruler .tab.active svg{stroke:#fff}.ruler .unit-badge{left:50%;transform:translateX(-50%);font-size:9px;font-weight:800;letter-spacing:.4px;padding:1px 5px;border-radius:7px;line-height:1.3}.ruler .nbadge,.ruler .unit-badge{position:absolute;top:2px;background:#d32f1f;color:#fff;z-index:2}.ruler .nbadge{right:2px;min-width:16px;height:16px;padding:0 3px;font-size:10px;font-weight:700;border-radius:8px;display:flex;align-items:center;justify-content:center}.ruler .rsheet{position:absolute;left:16px;right:16px;bottom:calc(58px + env(safe-area-inset-bottom));background:#2a2a2a;color:#fff;border-radius:18px;padding:16px 18px 18px;z-index:45;box-shadow:0 8px 28px rgba(0,0,0,.35)}.ruler.dark .rsheet{background:#3a3a3c}.ruler .rsheet h3{font-size:13px;font-weight:600;opacity:.7;margin-bottom:10px;letter-spacing:.3px;text-transform:uppercase}.ruler .row{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.ruler .row:last-child{margin-bottom:0}.ruler .row .lab{font-size:16px;font-weight:500}.ruler .seg{display:flex;background:#1a1a1a;border-radius:10px;padding:3px;gap:2px}.ruler .seg button{border:0;background:transparent;color:#bbb;font-size:14px;font-weight:600;padding:7px 14px;border-radius:8px;cursor:pointer;font-family:inherit}.ruler .seg button.on{background:#e53935;color:#fff}