:root{color-scheme:dark}html,body{margin:0;height:100%;background:var(--bg-app, #0e0f12);color:var(--text-primary, #e6e8eb);font-family:var(--font-sans, system-ui, sans-serif);font-size:var(--text-sm, 13px);overflow:hidden;overscroll-behavior:none}.riss-editor{display:grid;grid-template-rows:auto 1fr auto;grid-template-columns:minmax(0,1fr);height:100vh;height:100dvh}.riss-editor__toolbar{display:flex;align-items:center;gap:var(--space-3, 12px);height:var(--control-height-lg, 44px);padding:0 var(--space-3, 12px);padding-top:env(safe-area-inset-top,0px);padding-left:max(var(--space-3, 12px),env(safe-area-inset-left,0px));padding-right:max(var(--space-3, 12px),env(safe-area-inset-right,0px));background:var(--bg-chrome, #14161a);border-bottom:var(--border-width, 1px) solid var(--border-default, #2a2d33)}.riss-editor__brand{font-weight:600;letter-spacing:.02em;color:var(--text-primary, #e6e8eb)}.riss-logo{display:inline-flex;align-items:center;gap:7px;color:var(--text-primary, #e6e8eb)}.riss-logo__mark{display:block}.riss-logo__word{font-weight:600;font-size:var(--text-md, 15px);letter-spacing:.01em}.riss-editor__tbsep{width:1px;height:18px;background:var(--border-default, #2a2d33);margin:0 2px}.riss-tbtn{display:inline-flex;align-items:center;justify-content:center;gap:5px;position:relative;min-width:var(--control-height, 28px);height:var(--control-height, 28px);padding:0 7px;background:transparent;color:var(--text-secondary, #b4b9c0);border:var(--border-width, 1px) solid transparent;border-radius:var(--radius-sm, 5px);font:inherit;font-size:var(--text-sm, 13px);cursor:pointer}.riss-tbtn:hover:not(:disabled){background:var(--bg-elevated, #1b1e24);color:var(--text-primary, #e6e8eb)}.riss-tbtn:disabled{opacity:.38;cursor:default}.riss-tbtn:focus-visible{outline:2px solid var(--accent, #3b82f6);outline-offset:1px}.riss-tbtn--on{color:var(--accent-fg, #cfe0ff);background:color-mix(in srgb,var(--accent, #3b82f6) 16%,transparent)}.riss-tbtn--cmdk{color:var(--text-tertiary, #8a9099)}.riss-tbtn__strike{position:absolute;left:4px;right:4px;top:50%;height:1.5px;background:currentColor;transform:rotate(-20deg)}.riss-kbd{display:inline-flex;align-items:center;height:18px;padding:0 5px;background:var(--bg-input, #0f1115);border:var(--border-width, 1px) solid var(--border-default, #2a2d33);border-radius:var(--radius-sm, 4px);color:var(--text-tertiary, #8a9099);font-family:var(--font-sans, system-ui);font-size:var(--text-2xs, 10px);font-variant-numeric:tabular-nums;white-space:nowrap}.riss-editor__body{display:grid;grid-template-columns:auto var(--riss-left-w, 240px) 1fr var(--riss-right-w, 280px);min-height:0}.riss-editor--no-left .riss-editor__body{grid-template-columns:auto 1fr var(--riss-right-w, 280px)}.riss-editor--no-right .riss-editor__body{grid-template-columns:auto var(--riss-left-w, 240px) 1fr}.riss-editor--no-left.riss-editor--no-right .riss-editor__body{grid-template-columns:auto 1fr}.riss-editor__panel-head{display:flex;align-items:center;justify-content:space-between;border-bottom:var(--border-width, 1px) solid var(--border-subtle, #20232a);padding-right:6px}.riss-editor__panel-head .riss-editor__panel-title{border-bottom:none}.riss-editor__panel-actions{display:flex;gap:2px}.riss-toolrail{display:flex;flex-direction:column;gap:2px;padding:var(--space-2, 8px) 5px;background:var(--bg-chrome, #14161a);border-right:var(--border-width, 1px) solid var(--border-default, #2a2d33);overflow-y:auto;scrollbar-width:none}.riss-toolrail__btn{display:inline-flex;align-items:center;justify-content:center;width:var(--toolrail-btn-size, 32px);height:var(--toolrail-btn-size, 32px);flex:none;background:transparent;color:var(--text-secondary, #b4b9c0);border:var(--border-width, 1px) solid transparent;border-radius:var(--radius-sm, 5px);cursor:pointer}.riss-toolrail__btn:hover{background:var(--bg-elevated, #1b1e24);color:var(--text-primary, #e6e8eb)}.riss-toolrail__btn:focus-visible{outline:2px solid var(--accent, #3b82f6);outline-offset:1px}.riss-toolrail__btn--on{background:color-mix(in srgb,var(--accent, #3b82f6) 20%,transparent);border-color:color-mix(in srgb,var(--accent, #3b82f6) 55%,transparent);color:var(--accent-fg, #cfe0ff)}.riss-optbar{display:flex;align-items:center;gap:var(--space-2, 8px);height:var(--control-height-sm, 28px);padding:0 var(--space-3, 12px);background:var(--bg-chrome, #14161a);border-bottom:var(--border-width, 1px) solid var(--border-default, #2a2d33);font-size:var(--text-xs, 11px);overflow-x:auto;white-space:nowrap}.riss-optbar__name{font-weight:600;color:var(--text-primary, #e6e8eb)}.riss-optbar__sep{width:1px;height:16px;background:var(--border-default, #2a2d33)}.riss-optbar__field{display:inline-flex;align-items:center;gap:5px;color:var(--text-secondary, #b4b9c0)}.riss-optbar__label{color:var(--text-tertiary, #8a9099)}.riss-optbar__action{height:var(--field-height, 22px);padding:0 var(--space-2, 8px);background:var(--bg-elevated, #1b1e24);color:var(--text-secondary, #b4b9c0);border:var(--border-width, 1px) solid var(--border-default, #2a2d33);border-radius:var(--radius-sm, 4px);font:inherit;font-size:var(--text-xs, 11px);cursor:pointer}.riss-optbar__action:hover{background:var(--bg-app, #0e0f12);color:var(--text-primary, #e6e8eb)}.riss-select{height:var(--field-height, 22px);background:var(--bg-input, #0f1115);color:var(--text-primary, #e6e8eb);border:var(--border-width, 1px) solid var(--border-default, #2a2d33);border-radius:var(--radius-sm, 4px);font:inherit;font-size:var(--text-xs, 11px)}.riss-editor__canvas{display:flex;flex-direction:column}.riss-editor__stage{position:relative;flex:1;min-height:0}.riss-editor__panel{background:var(--bg-panel, #131519);position:relative;display:flex;flex-direction:column;overflow:hidden;min-height:0}.riss-editor__panel--left{border-right:var(--border-width, 1px) solid var(--border-default, #2a2d33)}.riss-editor__panel--right{border-left:var(--border-width, 1px) solid var(--border-default, #2a2d33)}.riss-editor__panel--right .riss-inspector{flex:1;min-height:0;overflow:auto}.riss-editor__panel-section{display:flex;flex-direction:column;min-height:0;max-height:45%;border-top:var(--border-width, 1px) solid var(--border-default, #2a2d33)}.riss-history{flex:1;min-height:0;overflow:auto}.riss-history__empty{padding:10px 12px;color:var(--text-tertiary, #8b9099);font-size:var(--text-xs, 12px)}.riss-history__list{list-style:none;margin:0;padding:4px 0}.riss-history__row{display:flex;align-items:center;gap:8px;width:100%;padding:4px 12px;border:0;background:transparent;color:var(--text-secondary, #c7cbd1);font:inherit;text-align:left;cursor:pointer}.riss-history__row:hover{background:var(--bg-elevated, #1b1e24)}.riss-history__row--current{color:var(--text-primary, #e6e8eb);font-weight:600}.riss-history__row--future{opacity:.5}.riss-history__dot{flex:none;width:8px;height:8px;border-radius:50%;border:1px solid var(--border-default, #2a2d33)}.riss-history__row--current .riss-history__dot{background:var(--accent, #3b82f6);border-color:var(--accent, #3b82f6)}.riss-history__label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.riss-history__time{flex:none;color:var(--text-tertiary, #8b9099);font-size:var(--text-2xs, 11px)}.riss-resizer{position:absolute;top:0;bottom:0;width:var(--resizer-hit, 7px);z-index:var(--z-sticky, 200);cursor:col-resize;background:transparent;touch-action:none}.riss-resizer--left{right:calc((var(--resizer-hit, 7px) - 1px) / -2)}.riss-resizer--right{left:calc((var(--resizer-hit, 7px) - 1px) / -2)}.riss-resizer:hover,.riss-resizer:focus-visible{background:color-mix(in srgb,var(--accent, #3b82f6) 40%,transparent);outline:none}.riss-resizer:focus-visible{box-shadow:inset 0 0 0 1px var(--accent, #3b82f6)}.riss-editor__panel-title{padding:var(--space-2, 8px) var(--space-3, 12px);font-size:var(--text-xs, 11px);text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary, #8a9099);border-bottom:var(--border-width, 1px) solid var(--border-subtle, #20232a)}.riss-editor__canvas{position:relative;background:var(--bg-canvas, #0a0b0d);overflow:hidden;min-width:0;min-height:0}.riss-viewport{position:absolute;inset:0;overflow:hidden;touch-action:none;cursor:default}.riss-editor__toolbar,.riss-editor__status,.riss-toolrail,.riss-editor__panel,.riss-pop,.riss-menu,.riss-ctx,.riss-modal{touch-action:manipulation}.riss-viewport__content,.riss-viewport__overlay{position:absolute;inset:0;width:100%;height:100%;display:block}.riss-viewport__overlay{pointer-events:none}#riss-canvas,.riss-viewport,.riss-viewport__content,.riss-viewport__overlay{outline:none}.riss-editor__status-backend{text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary, #8a9099)}.riss-editor__status-fonts{color:var(--text-tertiary, #8a9099);font-size:var(--text-xs, 11px)}.riss-editor__status-unsaved{display:inline-flex;align-items:center;gap:4px;padding:1px 6px;border-radius:var(--radius-sm, 4px);background:var(--danger-bg, rgba(220, 80, 80, .16));color:var(--danger-500, #ff6b6b);font-weight:600;cursor:help}.riss-editor__status{display:flex;align-items:center;gap:var(--space-2, 8px);height:var(--control-height-sm, 28px);padding:0 var(--space-3, 12px);padding-bottom:env(safe-area-inset-bottom,0px);padding-left:max(var(--space-3, 12px),env(safe-area-inset-left,0px));padding-right:max(var(--space-3, 12px),env(safe-area-inset-right,0px));background:var(--bg-chrome, #14161a);border-top:var(--border-width, 1px) solid var(--border-default, #2a2d33);color:var(--text-secondary, #b4b9c0);font-variant-numeric:tabular-nums;font-size:var(--text-xs, 11px)}.riss-editor__status-spacer{flex:1}.riss-editor__toolhint{color:var(--text-tertiary, #8a9099);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52ch}.riss-editor__toolhint:before{content:"·";margin-right:var(--space-2, 8px);color:var(--border-default, #2a2d33)}.riss-editor__toolbar-spacer{flex:1}.riss-snap{display:flex;align-items:center;gap:var(--space-1, 4px)}.riss-snap__group{position:relative}.riss-snap__btn{display:inline-flex;align-items:center;gap:5px;height:var(--control-height-sm, 28px);padding:0 var(--space-2, 8px);background:transparent;color:var(--text-secondary, #b4b9c0);border:var(--border-width, 1px) solid transparent;border-radius:var(--radius-sm, 5px);font:inherit;font-size:var(--text-xs, 11px);cursor:pointer;white-space:nowrap}.riss-snap__btn:hover{background:var(--bg-elevated, #1b1e24);color:var(--text-primary, #e6e8eb)}.riss-snap__btn:focus-visible{outline:2px solid var(--accent, #3b82f6);outline-offset:1px}.riss-snap__btn--on{background:color-mix(in srgb,var(--accent, #3b82f6) 18%,transparent);border-color:color-mix(in srgb,var(--accent, #3b82f6) 50%,transparent);color:var(--accent-fg, #cfe0ff)}.riss-snap__btn--caret:after{content:"▾";font-size:9px;opacity:.7}.riss-snap__glyph{display:block}.riss-pop{position:absolute;right:0;top:calc(100% + 6px);z-index:20;width:210px;max-width:calc(100vw - 16px);padding:var(--space-2, 8px);background:var(--bg-elevated, #1b1e24);border:var(--border-width, 1px) solid var(--border-default, #2a2d33);border-radius:var(--radius-md, 8px);box-shadow:var(--shadow-lg, 0 12px 32px rgba(0, 0, 0, .45));display:flex;flex-direction:column;gap:2px}.riss-pop--wide{width:260px}.riss-pop__title{margin-top:var(--space-2, 8px);padding:2px 2px 4px;font-size:var(--text-2xs, 10px);text-transform:uppercase;letter-spacing:.07em;color:var(--text-tertiary, #8a9099)}.riss-pop__title:first-child{margin-top:0}.riss-pop__row{display:flex;align-items:center;gap:var(--space-2, 8px);padding:3px 2px;font-size:var(--text-xs, 11px);color:var(--text-secondary, #b4b9c0)}.riss-pop__row input[type=checkbox]{accent-color:var(--accent, #3b82f6)}.riss-pop__row input[type=range]{flex:1;accent-color:var(--accent, #3b82f6)}.riss-pop__label{color:var(--text-tertiary, #8a9099)}.riss-pop__actions{display:flex;flex-wrap:wrap;gap:var(--space-1, 4px);padding:2px 0}.riss-pop__empty{padding:4px 2px;font-size:var(--text-xs, 11px);color:var(--text-tertiary, #8a9099)}.riss-num,.riss-pop__label{font-size:var(--text-xs, 11px);font-variant-numeric:tabular-nums}.riss-guidelist{display:flex;flex-direction:column;gap:3px;max-height:160px;overflow:auto;padding:2px 0}.riss-guidelist__row{display:flex;align-items:center;gap:var(--space-2, 8px)}.riss-tag{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:var(--radius-sm, 4px);background:color-mix(in srgb,#22d3ee 22%,transparent);color:#67e8f9;font-size:9px;font-weight:600}.riss-num-field{width:64px;height:var(--field-height, 22px);padding:0 6px;background:var(--bg-input, #0f1115);color:var(--text-primary, #e6e8eb);border:var(--border-width, 1px) solid var(--border-default, #2a2d33);border-radius:var(--radius-sm, 4px);font:inherit;font-size:var(--text-xs, 11px);font-variant-numeric:tabular-nums}select.riss-num-field{width:auto;min-width:64px;padding:0 4px}.riss-pop__hint{padding:4px 2px;font-size:var(--text-xs, 11px);color:var(--text-tertiary, #8a9099)}.riss-guidekey{display:flex;flex-direction:column;gap:3px}.riss-guidekey span{display:flex;align-items:center}.riss-guidekey__swatch{display:inline-block;width:14px;height:0;margin-right:6px;border-top-width:2px;border-top-style:solid;vertical-align:middle}.riss-guidekey__swatch--guide{border-top-color:#22d3ee}.riss-guidekey__swatch--smart{border-top-color:#f43f7e;border-top-style:dashed}.riss-guidekey__name--guide{color:#67e8f9}.riss-guidekey__name--smart{color:#f9a8c8}.riss-num-field:focus-visible{outline:none;border-color:var(--accent, #3b82f6)}.riss-icon-btn{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--text-tertiary, #8a9099);border:none;border-radius:var(--radius-sm, 4px);cursor:pointer}.riss-icon-btn:hover{background:var(--bg-app, #0e0f12);color:var(--danger, #f4727e)}.riss-editor__hud{display:inline-flex;align-items:center;gap:var(--space-3, 12px)}.riss-editor__hud-coord{font-variant-numeric:tabular-nums;color:var(--text-primary, #e6e8eb)}.riss-editor__hud-snap{color:var(--accent, #f43f7e)}.riss-inspector{display:flex;flex-direction:column}.riss-inspector__empty{padding:var(--space-4, 16px) var(--space-3, 12px);color:var(--text-tertiary, #8a9099);font-size:var(--text-sm, 13px)}.riss-inspector__row{display:flex;align-items:center;gap:var(--space-2, 8px);padding:5px var(--space-3, 12px)}.riss-inspector__group{border-top:var(--border-width, 1px) solid var(--border-subtle, #20232a);padding:4px 0}.riss-inspector__label{flex:0 0 52px;color:var(--text-secondary, #b4b9c0);font-size:var(--text-xs, 11px)}.riss-inspector__subtitle,.riss-inspector__paint-label{font-size:var(--text-xs, 11px);color:var(--text-tertiary, #8a9099)}.riss-inspector__subtitle{padding:6px var(--space-3, 12px) 2px;text-transform:uppercase;letter-spacing:.05em}.riss-inspector__paintrow .riss-inspector__paint-label{margin-left:auto;font-variant-numeric:tabular-nums}.riss-inspector__range{flex:1}.riss-inspector__check{display:inline-flex;align-items:center;gap:4px;color:var(--text-secondary, #b4b9c0);font-size:var(--text-xs, 11px)}.riss-inspector__swatch-btn{width:var(--swatch-size, 26px);height:var(--swatch-size, 26px);padding:2px;border:var(--border-width, 1px) solid var(--border-default, #2a2d33);border-radius:var(--radius-sm, 5px);background:repeating-conic-gradient(#3a3d44 0 25%,#2a2d33 0 50%) 0 0 / 10px 10px;cursor:pointer}.riss-inspector__swatch-btn--on{border-color:var(--accent, #3b82f6)}.riss-inspector__swatch{display:block;width:100%;height:100%;border-radius:3px}.riss-inspector__swatch--none{background:linear-gradient(45deg,transparent 45%,#e0524d 45%,#e0524d 55%,transparent 55%),var(--bg-elevated, #1b1e24)}.riss-inspector__editor{margin:0 var(--space-3, 12px) var(--space-2, 8px);padding:var(--space-2, 8px);background:var(--bg-elevated, #1b1e24);border:var(--border-width, 1px) solid var(--border-default, #2a2d33);border-radius:var(--radius-md, 8px)}.riss-inspector__tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-bottom:var(--space-2, 8px)}.riss-inspector__tabs .riss-snap__btn{justify-content:center;padding:4px 2px}.riss-inspector__opgrid{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px var(--space-3, 12px)}.riss-inspector__opgrid .riss-snap__btn,.riss-inspector__opwide{justify-content:center}.riss-inspector__opwide{width:calc(100% - 24px);margin:4px var(--space-3, 12px)}.riss-cp{display:flex;flex-direction:column;gap:var(--space-2, 8px)}.riss-cp__sv{position:relative;width:100%;height:132px;border-radius:var(--radius-sm, 5px);cursor:crosshair;touch-action:none;overflow:hidden}.riss-cp__sv-white,.riss-cp__sv-black{position:absolute;inset:0}.riss-cp__sv-white{background:linear-gradient(to right,#fff,#fff0)}.riss-cp__sv-black{background:linear-gradient(to top,#000,#0000)}.riss-cp__sv-thumb{position:absolute;width:12px;height:12px;transform:translate(-50%,-50%);border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 1px #00000080;pointer-events:none}.riss-cp__sliders{display:flex;flex-direction:column;gap:6px}.riss-cp__hue,.riss-cp__alpha{position:relative;height:12px;border-radius:6px;cursor:pointer;touch-action:none}.riss-cp__hue:focus-visible,.riss-cp__alpha:focus-visible{outline:2px solid var(--accent, #3b82f6);outline-offset:1px}.riss-cp__hue{background:linear-gradient(to right,red,#ff0 17%,#0f0 33%,#0ff,#00f 67%,#f0f 83%,red)}.riss-cp__alpha{background:linear-gradient(to right,transparent,var(--cp-solid, #fff)),repeating-conic-gradient(#3a3d44 0 25%,#2a2d33 0 50%) 0 0 / 10px 10px}.riss-cp__slider-thumb{position:absolute;top:50%;width:12px;height:16px;transform:translate(-50%,-50%);border-radius:3px;background:#fff;border:1px solid rgba(0,0,0,.5);pointer-events:none}.riss-cp__fields{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:4px}.riss-cp__field{display:flex;flex-direction:column;gap:2px}.riss-cp__field>span{font-size:9px;text-transform:uppercase;color:var(--text-tertiary, #8a9099);text-align:center}.riss-cp__field .riss-num-field{width:100%;text-align:center;padding:3px 2px}.riss-cp__actions{display:flex;gap:4px}.riss-cp__swatches{display:flex;flex-direction:column;gap:3px}.riss-cp__swatches-label{font-size:9px;text-transform:uppercase;color:var(--text-tertiary, 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