:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;line-height:1.4;font-variant-numeric:tabular-nums;--bg: #eef0f3;--panel: #ffffff;--scene: #e6e9ed;--text: #1b1f24;--text-2: #3c4450;--muted: #5a6270;--heading: #4a5260;--border: #d6dae0;--border-soft: #e3e6eb;--control-border: #c3c9d1;--hover: #eef0f3;--hover-soft: #f4f5f7;--accent: #2457a6;--accent-strong: #2457a6;--accent-soft: #e9eef6;--accent-line: #9cb3d7;--ok: #2e9d5b;--ok-text: #1d6b3e;--ok-line: #b9dcc6;--bad: #d93025;--bad-text: #b3261e;--bad-line: #ebb7b2;--label-bg: #b3261e;--label-flash: #7a1712;--track: #e3e6eb;--input-off: #f1f3f5;--form-bg: #f7f9fc;--danger: #b3261e;--warn-bg: #fff4d6;--warn-text: #7a5200;--backdrop: rgba(20, 24, 30, .45)}@media (prefers-color-scheme: dark){:root{--bg: #15171a;--panel: #1f2226;--scene: #26292e;--text: #e6e8eb;--text-2: #c9ced6;--muted: #9aa2ad;--heading: #aeb5bf;--border: #353a41;--border-soft: #2c3036;--control-border: #4a5058;--hover: #2a2e34;--hover-soft: #262a2f;--accent: #6f9be0;--accent-strong: #2f5ea8;--accent-soft: #22314a;--accent-line: #3d5a88;--ok-text: #74d39f;--ok-line: #2f5c43;--bad-text: #f28b82;--bad-line: #6b2f2a;--track: #33373d;--input-off: #262a2f;--form-bg: #23272c;--warn-bg: #3a3220;--warn-text: #f0c766;--backdrop: rgba(0, 0, 0, .6)}}html,body{height:100%;margin:0;background:var(--bg);color:var(--text)}#app{display:grid;grid-template-columns:300px minmax(0,1fr) 280px;grid-template-rows:auto minmax(0,1fr);grid-template-areas:"toolbar toolbar toolbar" "left viewport stats";height:100%}.sec{margin:0;font-size:12px;font-weight:650;letter-spacing:.06em;text-transform:uppercase;color:var(--heading)}.lbl,.meta{font-size:12px;color:var(--muted)}.ic{flex:none;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.kbd{display:inline-block;box-sizing:border-box;min-width:16px;padding:0 4px;border:1px solid var(--control-border);border-bottom-width:2px;border-radius:4px;background:var(--panel);color:var(--text-2);font:11px/15px ui-monospace,Cascadia Mono,Consolas,monospace;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:32px;padding:0 10px;border:1px solid var(--control-border);border-radius:6px;background:var(--panel);color:var(--text);font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}.btn:hover:not(:disabled,[aria-disabled=true]){background:var(--hover-soft)}.btn:disabled,.btn[aria-disabled=true]{color:var(--muted);cursor:default}.btn-primary,.btn-danger{color:#fff;font-weight:600}.btn-primary,.btn-primary:hover:not(:disabled){border-color:var(--accent-strong);background:var(--accent-strong)}.btn-danger,.btn-danger:hover:not(:disabled){border-color:var(--danger);background:var(--danger)}.inp{box-sizing:border-box;width:100%;height:32px;padding:0 8px;border:1px solid var(--control-border);border-radius:6px;background:var(--panel);color:var(--text);font:inherit;font-size:14px;font-variant-numeric:tabular-nums}.inp::placeholder{color:var(--muted);opacity:1}.inp[readonly]{border-color:var(--border);background:var(--input-off);color:var(--muted)}.inp[aria-invalid=true]{border-color:var(--bad);box-shadow:0 0 0 1px var(--bad)}select.inp{padding-right:4px;cursor:pointer}.field{display:flex;flex-direction:column;gap:4px;min-width:0}.field-error{margin:0;color:var(--bad-text);font-size:12px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;padding:16px;background:var(--backdrop)}.dialog{display:flex;flex-direction:column;gap:16px;box-sizing:border-box;width:min(420px,100%);padding:20px 20px 16px;border-radius:10px;background:var(--panel);box-shadow:0 12px 32px #14181e47}.dialog-text{display:flex;flex-direction:column;gap:6px}.dialog-title{margin:0;font-size:16px;font-weight:650}.dialog-message{margin:0;color:var(--text-2)}.dialog-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px}.dialog-hint{display:inline-flex;align-items:center;gap:4px;margin-right:auto;color:var(--muted);font-size:12px}.seg-group{display:inline-flex;border:1px solid var(--control-border);border-radius:6px;overflow:hidden}.seg-fill{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.seg{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:30px;padding:0 10px;border:0;border-right:1px solid var(--control-border);background:var(--panel);color:var(--text);font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}.seg:last-child{border-right:0}.seg:hover{background:var(--hover)}.seg[aria-pressed=true]{background:var(--accent-strong);color:#fff}.seg[aria-pressed=true] .kbd{background:transparent;border-color:#ffffff8c;color:#fff}.btn:focus-visible,.seg:focus-visible,.pick:focus-visible,.inp:focus-visible,.icb:focus-visible,.add:focus-visible,.import:focus-visible,.imp-preview:focus-visible,.sw:focus-visible,.sw-custom:focus-visible,.chk input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.swatch{flex:none;width:14px;height:14px;border-radius:3px}.swatch-sm{flex:none;display:inline-block;width:10px;height:10px;border-radius:2px}.dot{display:inline-block;width:8px;height:8px;border-radius:4px;background:var(--ok)}.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600}.pill-ok{color:var(--ok-text)}[hidden]{display:none!important}#toolbar{grid-area:toolbar;display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:8px 14px;background:var(--panel);border-bottom:1px solid 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var(--accent);outline-offset:-2px}.tb-menu-item[aria-disabled=true]{color:var(--muted);cursor:default}#left,#stats{overflow-y:auto;background:var(--panel);display:flex;flex-direction:column}#left{grid-area:left;border-right:1px solid var(--border)}#stats{grid-area:stats;border-left:1px solid var(--border)}#left>section,.stats-sec{display:flex;flex-direction:column;gap:10px;padding:14px 16px 16px;border-bottom:1px solid var(--border-soft)}.sec-head{display:flex;justify-content:space-between;align-items:baseline}#types-panel{gap:8px}#tool-panel{gap:12px;padding-bottom:18px}#tool-panel .sec-head{align-items:center}#left>section:last-child,#stats>.stats-sec:last-child{border-bottom:0}.type-list{display:flex;flex-direction:column;gap:2px;margin:0 -8px;padding:0;list-style:none}.type-row{display:grid;grid-template-columns:14px minmax(0,1fr) auto;column-gap:10px;row-gap:2px;align-items:center;padding:7px 8px;border:1px solid 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var(--border);border-radius:6px;background:var(--panel);font-size:13px}.hud-dims{left:16px;color:var(--muted)}.hud-status{right:16px;border-color:var(--ok-line)}.hud-state{display:inline-flex;align-items:center;gap:6px;color:var(--ok-text);font-weight:600}.hud-status.bad{border-color:var(--bad-line)}.hud-status.bad .hud-state{color:var(--bad-text)}.hud-status.bad .dot{background:var(--bad)}.hud-muted{display:inline-flex;align-items:center;gap:4px;color:var(--muted)}.hud-hints{position:absolute;left:16px;right:16px;bottom:14px;display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12px;color:var(--text-2);text-shadow:0 0 2px var(--scene),0 0 4px var(--scene)}.hud-hints .kbd{text-shadow:none}.hud-hints>span{display:inline-flex;align-items:center;gap:5px}.toast-area{position:absolute;left:16px;bottom:44px;display:flex;flex-direction:column;gap:6px}.toast{padding:6px 10px;border:1px solid var(--border);border-radius:6px;background:var(--panel);font-size:13px;box-shadow:0 1px 3px #0000001f}.reason-label{position:fixed;z-index:10;padding:4px 8px;border-radius:4px;background:var(--label-bg);color:#fff;font-size:13px;font-weight:600;white-space:nowrap}.reason-label.flash{animation:reason-flash .42s ease-in-out 1}@keyframes reason-flash{50%{background:var(--label-flash);transform:scale(1.12)}}@media (prefers-reduced-motion: reduce){.reason-label.flash{animation-duration:1ms}}.fatal{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;margin:0;padding:24px;color:var(--text);font-size:15px;text-align:center}