:where(.blk-root,.blk-tooltip,.blk-history-menu,.blk-menu,.blk-modal){--blk-font:"Inter","Inter var",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--blk-font-mono:ui-monospace,"JetBrains Mono","SF Mono",SFMono-Regular,Menlo,Consolas,monospace;--blk-fs-xs:11px;--blk-fs-sm:12px;--blk-fs-md:13px;--blk-fs-lg:14px;--blk-fs-xl:16px;--blk-fs-2xl:20px;--blk-fs-3xl:24px;--blk-lh-tight:1.2;--blk-lh-snug:1.35;--blk-lh-normal:1.5;--blk-tracking-tight:-.012em;--blk-tracking-normal:0;--blk-tracking-wide:.02em;--blk-bg:#f5f7fa;--blk-bg-muted:#eef1f5;--blk-surface:#fff;--blk-surface-raised:#fff;--blk-surface-sunken:#f7f9fc;--blk-surface-hover:#f1f4f8;--blk-surface-active:#e9edf3;--blk-surface-selected:#e6f4f1;--blk-border:#e4e8ef;--blk-border-strong:#d3d9e3;--blk-border-emphasis:#b8c1cf;--blk-divider:#edf0f5;--blk-text:#0b1524;--blk-text-secondary:#4d5c75;--blk-text-tertiary:#808ea4;--blk-text-disabled:#bdc5d4;--blk-text-inverse:#fff;--blk-accent:#0fab8f;--blk-accent-hover:#0c8f77;--blk-accent-press:#0a7c67;--blk-accent-soft:#e5f5f1;--blk-accent-softer:#f2faf8;--blk-accent-emphasis:#067c68;--blk-primary:#0b1524;--blk-primary-hover:#1a2639;--blk-primary-press:#253247;--blk-success:#1fa876;--blk-success-soft:#e3f7ee;--blk-warning:#e98837;--blk-warning-soft:#fdf1e4;--blk-danger:#dc4a50;--blk-danger-soft:#fde8e9;--blk-info:#2f7ad9;--blk-info-soft:#e5f0fc;--blk-shadow-xs:0 1px 1px rgba(11,21,36,.04);--blk-shadow-sm:0 1px 2px rgba(11,21,36,.05),0 1px 1px rgba(11,21,36,.03);--blk-shadow-md:0 1px 2px rgba(11,21,36,.05),0 4px 10px rgba(11,21,36,.06);--blk-shadow-lg:0 4px 12px rgba(11,21,36,.06),0 16px 40px rgba(11,21,36,.1);--blk-shadow-xl:0 8px 20px rgba(11,21,36,.08),0 24px 60px rgba(11,21,36,.14);--blk-glow-accent:0 0 0 3px rgba(15,171,143,.18);--blk-glow-accent-strong:0 0 0 4px rgba(15,171,143,.24);--blk-glow-danger:0 0 0 3px rgba(220,74,80,.18);--blk-glow-warning:0 0 0 3px rgba(233,136,55,.18);--blk-focus-ring:0 0 0 3px rgba(15,171,143,.22);--blk-focus-ring-inset:inset 0 0 0 2px var(--blk-accent);--blk-radius-xs:4px;--blk-radius-sm:6px;--blk-radius-md:10px;--blk-radius-lg:14px;--blk-radius-xl:18px;--blk-radius-pill:999px;--blk-space-0:0;--blk-space-05:2px;--blk-space-1:4px;--blk-space-2:8px;--blk-space-3:12px;--blk-space-4:16px;--blk-space-5:20px;--blk-space-6:24px;--blk-space-7:28px;--blk-space-8:32px;--blk-space-10:40px;--blk-space-12:48px;--blk-topbar-h:60px;--blk-rail-w:80px;--blk-viewport-h:48px;--blk-panel-w:360px;--blk-ease:cubic-bezier(.22,1,.36,1);--blk-ease-snap:cubic-bezier(.32,.72,0,1);--blk-ease-spring:cubic-bezier(.34,1.56,.64,1);--blk-dur-instant:80ms;--blk-dur:.16s;--blk-dur-md:.22s;--blk-dur-lg:.32s;font-family:var(--blk-font);color:var(--blk-text);font-feature-settings:"cv11","ss01","ss03";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}@media(prefers-reduced-motion:reduce){.blk-root,.blk-root *,.blk-root :after,.blk-root :before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.blk-root ::selection{background:#0fab8f38;color:var(--blk-text)}.blk-root :focus{outline:none}.blk-root ::-webkit-scrollbar{width:10px;height:10px}.blk-root ::-webkit-scrollbar-thumb{background:transparent;border-radius:999px;border:3px solid transparent;background-clip:padding-box}.blk-root :focus-within::-webkit-scrollbar-thumb,.blk-root :hover::-webkit-scrollbar-thumb{background:#808ea459;background-clip:padding-box}.blk-root ::-webkit-scrollbar-thumb:hover{background:#808ea48c;background-clip:padding-box}.blk-root ::-webkit-scrollbar-track{background:transparent}:where(.blk-root,.blk-modal),:where(.blk-root,.blk-modal) *,:where(.blk-root,.blk-modal) :after,:where(.blk-root,.blk-modal) :before{box-sizing:border-box}:where(.blk-root,.blk-modal) button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}:where(.blk-root,.blk-modal) input,:where(.blk-root,.blk-modal) select,:where(.blk-root,.blk-modal) textarea{font:inherit;color:inherit}:where(.blk-root,.blk-modal) a{color:inherit;text-decoration:none}:where(.blk-root,.blk-modal) ol,:where(.blk-root,.blk-modal) ul{list-style:none;padding:0;margin:0}:where(.blk-root,.blk-modal) h1,:where(.blk-root,.blk-modal) h2,:where(.blk-root,.blk-modal) h3,:where(.blk-root,.blk-modal) h4,:where(.blk-root,.blk-modal) p{margin:0}.blk-root{position:relative;display:grid;grid-template-columns:var(--blk-rail-w) var(--blk-panel-w) minmax(0,1fr) var(--blk-panel-w) var(--blk-rail-w);grid-template-rows:var(--blk-topbar-h) 1fr;grid-template-areas:"topbar topbar topbar topbar topbar" "leftrail leftpanel stage rightpanel rightrail";height:100vh;width:100%;overflow:hidden;background:var(--blk-bg);font-size:var(--blk-fs-md);transition:grid-template-columns var(--blk-dur-md) var(--blk-ease)}.blk-root[data-left-panel=closed]{grid-template-columns:var(--blk-rail-w) 0 minmax(0,1fr) var(--blk-panel-w) var(--blk-rail-w)}.blk-root[data-left-panel=closed] .blk-leftpanel{display:none}.blk-root[data-right-panel=closed]{grid-template-columns:var(--blk-rail-w) var(--blk-panel-w) minmax(0,1fr) 0 var(--blk-rail-w)}.blk-root[data-right-panel=closed] .blk-rightpanel{display:none}.blk-root[data-left-panel=closed][data-right-panel=closed]{grid-template-columns:var(--blk-rail-w) 0 minmax(0,1fr) 0 var(--blk-rail-w)}.blk-root[data-edit-mode=form-only] .blk-stage:before{display:none}.blk-stage--form{overflow:auto;padding:var(--blk-space-6) var(--blk-space-8) var(--blk-space-10);display:block;background:var(--blk-bg)}.blk-stage-form-frame{width:100%;max-width:1200px;margin:0 auto;background:var(--blk-surface);border:1px solid var(--blk-border);border-radius:var(--blk-radius-lg);box-shadow:var(--blk-shadow-md)}.blk-stage-form-frame .blk-panel{height:auto;min-height:0}.blk-stage-form-frame .blk-panel-body{overflow:visible;padding:var(--blk-space-5) var(--blk-space-6) var(--blk-space-8)}.blk-stage-form-frame .blk-panel-header{position:static}.blk-leftpanel{grid-area:leftpanel;border-right:1px solid var(--blk-border);flex-direction:column;min-height:0;overflow:hidden}.blk-leftpanel,.blk-topbar{background:var(--blk-surface);display:flex}.blk-topbar{grid-area:topbar;align-items:center;gap:var(--blk-space-3);padding:0 var(--blk-space-5);border-bottom:1px solid var(--blk-border);box-shadow:var(--blk-shadow-xs);z-index:3}.blk-logo{width:36px;height:36px;border-radius:var(--blk-radius-md);background:radial-gradient(120% 120% at 20% 10%,#ffffff59,#fff0 55%),linear-gradient(135deg,var(--blk-accent) 0,var(--blk-accent-press) 100%);color:var(--blk-text-inverse);display:grid;place-items:center;flex-shrink:0;box-shadow:var(--blk-shadow-sm),inset 0 0 0 1px #ffffff1f;transition:transform var(--blk-dur) var(--blk-ease-spring)}.blk-logo:hover{transform:scale(1.04) rotate(-1.5deg)}.blk-title-block{display:flex;flex-direction:column;justify-content:center;min-width:0;margin-right:auto}.blk-title{font-size:var(--blk-fs-lg);font-weight:600;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-slug,.blk-title{line-height:var(--blk-lh-tight);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.blk-slug{font-size:var(--blk-fs-sm);color:var(--blk-text-tertiary);margin-top:2px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-topbar-group{display:flex;align-items:center;gap:6px}.blk-topbar-divider{width:1px;height:20px;background:var(--blk-border-strong);margin:0 4px;flex-shrink:0;opacity:.7}.blk-topbar-status{display:inline-flex;align-items:center;justify-content:center;width:22px;height:34px;flex-shrink:0}.blk-rail{background:var(--blk-surface);display:flex;flex-direction:column;padding:var(--blk-space-3) var(--blk-space-2);gap:2px}.blk-rail--left{grid-area:leftrail;border-right:1px solid var(--blk-border)}.blk-rail--right{grid-area:rightrail;border-left:1px solid var(--blk-border)}.blk-rail-btn{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:10px 6px;border-radius:var(--blk-radius-md);color:var(--blk-text-secondary);transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap);min-height:56px}.blk-rail-btn:before{content:"";position:absolute;left:-2px;top:50%;width:3px;height:22px;border-radius:3px;background:var(--blk-accent);transform:translateY(-50%) scaleY(0);opacity:0;transition:transform var(--blk-dur) var(--blk-ease-spring),opacity var(--blk-dur) var(--blk-ease)}.blk-rail--right .blk-rail-btn:before{left:auto;right:-2px}.blk-rail-btn:hover{background:var(--blk-surface-hover);color:var(--blk-text)}.blk-rail-btn:active{transform:scale(.96)}.blk-rail-btn:focus-visible{box-shadow:var(--blk-focus-ring)}.blk-rail-btn[data-active=true]{background:var(--blk-accent-soft);color:var(--blk-accent-emphasis)}.blk-rail-btn[data-active=true]:before{transform:translateY(-50%) scaleY(1);opacity:1}.blk-rail-btn-label{font-size:var(--blk-fs-xs);font-weight:600;letter-spacing:.01em}.blk-rail-spacer{flex:1 1}.blk-rail-user{width:34px;height:34px;border-radius:var(--blk-radius-pill);background:linear-gradient(135deg,var(--blk-surface-hover),var(--blk-surface-active));color:var(--blk-text-secondary);display:grid;place-items:center;font-size:var(--blk-fs-sm);font-weight:700;letter-spacing:.02em;margin:0 auto;box-shadow:inset 0 0 0 1px var(--blk-border),var(--blk-shadow-xs);cursor:pointer;transition:transform var(--blk-dur) var(--blk-ease-spring),box-shadow var(--blk-dur) var(--blk-ease)}.blk-rail-user:hover{transform:translateY(-1px);box-shadow:inset 0 0 0 1px var(--blk-border-strong),var(--blk-shadow-sm)}.blk-stage{grid-area:stage;display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--blk-bg);position:relative}.blk-stage:before{content:"";position:absolute;inset:var(--blk-viewport-h) 0 0 0;pointer-events:none;background-image:radial-gradient(rgba(11,21,36,.05) 1px,transparent 0);background-size:22px 22px;background-position:0 0;opacity:.75;z-index:0}.blk-stage:has(.blk-canvas[data-viewport=fullscreen]):before{display:none}.blk-viewport-bar{display:flex;align-items:center;gap:var(--blk-space-2);padding:0 var(--blk-space-4);height:var(--blk-viewport-h);border-bottom:1px solid var(--blk-divider);background:var(--blk-surface);flex-shrink:0;z-index:1}.blk-viewport-url{flex:1 1;display:flex;justify-content:center;font-size:var(--blk-fs-sm);padding:0 var(--blk-space-3);min-width:0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-viewport-url,.blk-viewport-url span{align-items:center;color:var(--blk-text-secondary)}.blk-viewport-url span{display:inline-flex;gap:6px;padding:4px 12px;border-radius:var(--blk-radius-pill);background:var(--blk-surface-sunken);border:1px solid var(--blk-border);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;transition:border-color var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease)}.blk-viewport-url span:hover{background:var(--blk-surface);border-color:var(--blk-border-strong);color:var(--blk-text)}.blk-canvas{position:relative;z-index:1;flex:1 1;min-height:0;display:flex;align-items:flex-start;justify-content:center;padding:var(--blk-space-7) var(--blk-space-8) var(--blk-space-8);overflow:auto;color:var(--blk-text)}.blk-canvas[data-viewport=fullscreen]{padding:0}.blk-canvas-frame{position:relative;width:100%;max-width:1200px;min-height:100%;background:var(--blk-surface);border-radius:var(--blk-radius-lg);box-shadow:var(--blk-shadow-md);padding:4px;transition:max-width var(--blk-dur-md) var(--blk-ease),border-radius var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease)}.blk-canvas-frame:hover{box-shadow:var(--blk-shadow-lg)}.blk-canvas[data-custom=true] .blk-canvas-frame{transition:none}.blk-canvas-rail{position:absolute;top:0;bottom:0;width:0;pointer-events:none;z-index:4}.blk-canvas-rail--left{left:-12px}.blk-canvas-rail--right{right:-6px}.blk-canvas-rail>*{pointer-events:auto}.blk-canvas-handle{position:-webkit-sticky;position:sticky;top:calc(50vh - 58px);display:block;width:6px;height:56px;border-radius:3px;background:var(--blk-border-emphasis);cursor:ew-resize;opacity:0;transition:opacity var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease),height var(--blk-dur) var(--blk-ease-spring)}.blk-canvas-rail--right .blk-canvas-handle{margin-left:auto}.blk-canvas-rail--left .blk-canvas-handle{margin-left:0}.blk-canvas-handle:after{content:"";position:absolute;inset:-8px -10px}.blk-canvas-frame:hover .blk-canvas-handle,.blk-canvas[data-custom=true] .blk-canvas-handle{opacity:1}.blk-canvas-handle:active,.blk-canvas-handle:hover{background:var(--blk-accent);height:72px}.blk-canvas-custom-label{position:-webkit-sticky;position:sticky;top:calc(50vh - 140px);display:block;width:0;height:0;margin-left:-10px;transform:translate(-50%) rotate(-90deg);transform-origin:center center;font-size:var(--blk-fs-xs);font-weight:700;color:var(--blk-text-tertiary);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;pointer-events:none;z-index:3}.blk-canvas-frame[data-viewport=tablet]{max-width:768px}.blk-canvas-frame[data-viewport=mobile]{max-width:390px}.blk-canvas-frame[data-viewport=fullscreen]{max-width:none;border-radius:0;box-shadow:none}.blk-canvas-empty,.blk-canvas-stack{display:flex;flex-direction:column}.blk-canvas-empty{align-items:center;justify-content:center;padding:var(--blk-space-10) var(--blk-space-8);text-align:center;gap:var(--blk-space-2);color:var(--blk-text-secondary);min-height:440px;border-radius:var(--blk-radius-lg);transition:background var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease)}.blk-canvas-empty[data-drop-active=true]{background:var(--blk-accent-soft);box-shadow:inset 0 0 0 2px var(--blk-accent),var(--blk-glow-accent)}.blk-canvas-empty-icon{width:56px;height:56px;border-radius:var(--blk-radius-lg);background:linear-gradient(135deg,var(--blk-accent-softer) 0,var(--blk-accent-soft) 100%);color:var(--blk-accent-hover);display:grid;place-items:center;margin-bottom:var(--blk-space-3);box-shadow:inset 0 0 0 1px #0fab8f2e,0 6px 18px #0fab8f1f;animation:blk-canvas-empty-float 4s var(--blk-ease) infinite}@keyframes blk-canvas-empty-float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.blk-canvas-empty h3{font-size:var(--blk-fs-2xl);font-weight:700;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-canvas-empty p{font-size:var(--blk-fs-md);color:var(--blk-text-secondary);line-height:var(--blk-lh-normal);margin-bottom:var(--blk-space-3);max-width:420px}.blk-frame{position:relative;cursor:default;outline:none}.blk-frame:before{content:"";position:absolute;inset:0;border:1px solid transparent;border-radius:var(--blk-radius-sm);pointer-events:none;transition:border-color var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease);z-index:1}.blk-frame:hover:before{border-color:var(--blk-accent);border-style:dashed}.blk-frame[data-selected=true]:before{border-color:var(--blk-accent);border-style:solid;box-shadow:0 0 0 1px var(--blk-accent),var(--blk-glow-accent)}.blk-frame:focus-visible:before{border-color:var(--blk-accent);box-shadow:var(--blk-focus-ring)}.blk-frame-label{position:absolute;top:6px;left:6px;display:inline-flex;align-items:center;gap:4px;padding:4px 9px;border-radius:var(--blk-radius-sm);background:var(--blk-accent);color:var(--blk-text-inverse);font-size:var(--blk-fs-xs);font-weight:700;letter-spacing:.02em;box-shadow:0 2px 6px #0fab8f52;opacity:0;transform:translateY(-3px);pointer-events:none;transition:opacity var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-spring);z-index:3;cursor:-webkit-grab;cursor:grab}.blk-frame:hover .blk-frame-label,.blk-frame[data-selected=true] .blk-frame-label{opacity:1;transform:translateY(0);pointer-events:auto}.blk-frame-actions{position:absolute;top:6px;right:6px;display:inline-flex;gap:0;padding:0;border-radius:var(--blk-radius-sm);background:var(--blk-primary);box-shadow:0 4px 12px #0b152447;overflow:hidden;opacity:0;transform:translateY(-3px);pointer-events:none;transition:opacity var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-spring);z-index:3}.blk-frame:hover .blk-frame-actions,.blk-frame[data-selected=true] .blk-frame-actions{opacity:1;transform:translateY(0);pointer-events:auto}.blk-frame-action{display:inline-flex;align-items:center;justify-content:center;width:28px;height:26px;color:#ffffffe0;transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease)}.blk-frame-action:hover{background:#ffffff29;color:#fff}.blk-frame-action:focus-visible{background:#ffffff38;color:#fff}.blk-frame-body{position:relative;z-index:0}.blk-frame[data-dragging=true]{opacity:.25;transform:scale(.98);filter:grayscale(.5);transition:transform var(--blk-dur) var(--blk-ease),opacity var(--blk-dur) var(--blk-ease)}.blk-frame[data-dragging=true] .blk-frame-label{cursor:-webkit-grabbing;cursor:grabbing}.blk-zone-container{display:flex;flex-direction:column;min-height:20px}.blk-zone-tail{height:20px;position:relative;margin-top:-10px;z-index:5;transition:height var(--blk-dur) var(--blk-ease)}.blk-zone-tail[data-drop-active=true]{height:40px}.blk-drop-indicator{position:absolute;left:0;right:0;height:2px;background:var(--blk-accent);box-shadow:0 0 10px var(--blk-accent),0 0 5px #0fab8f80;z-index:10;pointer-events:none;transition:opacity var(--blk-dur) var(--blk-ease);border-radius:2px}.blk-drop-indicator:before{left:-4px}.blk-drop-indicator:after,.blk-drop-indicator:before{content:"";position:absolute;top:-3px;width:8px;height:8px;border-radius:50%;background:var(--blk-accent);box-shadow:0 0 8px var(--blk-accent)}.blk-drop-indicator:after{right:-4px}.blk-slot-zone[data-drop-active=true]{background:var(--blk-accent-soft);box-shadow:inset 0 0 0 2px var(--blk-accent);border-radius:var(--blk-radius-md);min-height:40px}.blk-slot-empty[data-drop-active=true]{box-shadow:inset 0 0 0 2px var(--blk-accent),var(--blk-glow-accent);transform:scale(1.02)}.blk-frame-missing{padding:var(--blk-space-3);background:var(--blk-surface-hover);border:1px dashed var(--blk-danger);border-radius:var(--blk-radius-sm);color:var(--blk-danger);font-size:var(--blk-fs-sm)}.blk-frame-missing code{font-family:var(--blk-font-mono);padding:1px 6px;border-radius:4px;background:var(--blk-surface-active)}.blk-block-error{padding:var(--blk-space-4);margin:var(--blk-space-2);background:var(--blk-danger-soft);border:1px solid rgba(220,74,80,.28);border-left:3px solid var(--blk-danger);border-radius:var(--blk-radius-sm);color:var(--blk-danger);font-size:var(--blk-fs-sm);line-height:var(--blk-lh-normal)}.blk-block-error-head{font-weight:700;margin-bottom:4px}.blk-block-error-head code{padding:1px 6px;background:#dc4a5024}.blk-block-error-head code,.blk-block-error-msg{font-family:var(--blk-font-mono);border-radius:4px}.blk-block-error-msg{font-size:var(--blk-fs-xs);color:var(--blk-text);background:var(--blk-surface);padding:6px 8px;margin-bottom:4px;word-break:break-word;box-shadow:var(--blk-shadow-xs)}.blk-block-error-hint{color:var(--blk-text-secondary);font-size:var(--blk-fs-xs)}.blk-rightpanel{grid-area:rightpanel;background:var(--blk-surface);border-left:1px solid var(--blk-border);display:flex;flex-direction:column;min-height:0;overflow:hidden}.blk-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:36px;padding:0 14px;border-radius:var(--blk-radius-md);font-size:var(--blk-fs-md);font-weight:600;line-height:1;letter-spacing:var(--blk-tracking-tight);white-space:nowrap;border:1px solid transparent;flex-shrink:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background var(--blk-dur) var(--blk-ease),border-color var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap);-webkit-user-select:none;-moz-user-select:none;user-select:none}.blk-btn:active:not(:disabled){transform:translateY(.5px) scale(.985)}.blk-btn:focus-visible{outline:none;box-shadow:var(--blk-focus-ring)}.blk-btn:disabled{opacity:.5;cursor:not-allowed}.blk-btn>svg{flex-shrink:0}.blk-btn--ghost{background:transparent;color:var(--blk-text)}.blk-btn--ghost:hover:not(:disabled){background:var(--blk-surface-hover)}.blk-btn--ghost:active:not(:disabled){background:var(--blk-surface-active)}.blk-btn--outline{background:var(--blk-surface);border-color:var(--blk-border-strong);color:var(--blk-text);box-shadow:var(--blk-shadow-xs)}.blk-btn--outline>svg{color:var(--blk-text-tertiary);transition:color var(--blk-dur) var(--blk-ease)}.blk-btn--outline:hover:not(:disabled){background:var(--blk-surface-hover);border-color:var(--blk-border-emphasis);box-shadow:var(--blk-shadow-sm)}.blk-btn--outline:hover:not(:disabled)>svg{color:var(--blk-text-secondary)}.blk-btn--outline:active:not(:disabled){background:var(--blk-surface-active)}.blk-btn--accent,.blk-btn--accent:active,.blk-btn--accent:focus-visible,.blk-btn--accent:hover:not(:disabled){color:#fff;font-weight:600}.blk-btn--accent{background:linear-gradient(180deg,var(--blk-accent) 0,var(--blk-accent-hover) 100%);border-color:var(--blk-accent-hover);box-shadow:inset 0 1px #ffffff2e,0 1px 2px #0fab8f47}.blk-btn--accent:hover:not(:disabled){background:linear-gradient(180deg,var(--blk-accent-hover) 0,var(--blk-accent-press) 100%);border-color:var(--blk-accent-press);box-shadow:inset 0 1px #ffffff2e,0 4px 12px #0fab8f52}.blk-btn--accent:active:not(:disabled){box-shadow:inset 0 2px 4px #0000001f,0 1px 2px #0fab8f33}.blk-btn--accent svg{color:#fff}.blk-btn--primary,.blk-btn--primary:active,.blk-btn--primary:focus-visible,.blk-btn--primary:hover:not(:disabled){color:#fff;font-weight:600}.blk-btn--primary{background:linear-gradient(180deg,var(--blk-primary-hover) 0,var(--blk-primary) 100%);border-color:var(--blk-primary);box-shadow:inset 0 1px #ffffff14,0 1px 2px #0b152438}.blk-btn--primary:hover:not(:disabled){background:linear-gradient(180deg,var(--blk-primary-press) 0,var(--blk-primary-hover) 100%);border-color:var(--blk-primary-hover);box-shadow:inset 0 1px #ffffff1a,0 4px 12px #0b152447}.blk-btn--primary svg{color:#fff}.blk-btn--sm{padding:0 12px;font-size:var(--blk-fs-sm);gap:6px}.blk-btn--sm,.blk-btn-split{height:34px;border-radius:8px}.blk-btn-split{display:inline-flex;align-items:stretch;overflow:hidden;border:1px solid var(--blk-primary);background:linear-gradient(180deg,var(--blk-primary-hover) 0,var(--blk-primary) 100%);flex-shrink:0;box-shadow:inset 0 1px #ffffff14,0 1px 2px #0b152438;transition:box-shadow var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap)}.blk-btn-split:hover{box-shadow:inset 0 1px #ffffff1a,0 4px 12px #0b152447}.blk-btn-split:active{transform:translateY(.5px) scale(.99)}.blk-btn-split>.blk-btn{height:100%;border:0;border-radius:0;background:transparent;color:var(--blk-text-inverse);padding:0 14px;flex-shrink:0;box-shadow:none}.blk-btn-split>.blk-btn.blk-btn-split-caret{padding:0 10px}.blk-btn-split>.blk-btn:hover:not(:disabled){background:#ffffff1a}.blk-btn-split>.blk-btn:active:not(:disabled){transform:none}.blk-btn-split>.blk-btn[data-state=open]{background:#ffffff24}.blk-btn-split>.blk-btn:focus-visible{box-shadow:inset 0 0 0 2px #ffffff73}.blk-btn-split-divider{width:1px;background:#ffffff38;margin:6px 0;flex-shrink:0}.blk-menu{min-width:220px;background:var(--blk-surface);border:1px solid var(--blk-border);border-radius:var(--blk-radius-lg);box-shadow:var(--blk-shadow-xl);padding:6px;z-index:100;animation:blk-menu-in .16s var(--blk-ease-spring);transform-origin:top right}.blk-menu,.blk-menu-item{font-size:var(--blk-fs-md)}.blk-menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:var(--blk-radius-sm);color:var(--blk-text);font-family:inherit;font-weight:500;letter-spacing:var(--blk-tracking-tight);text-align:left;background:transparent;border:0;cursor:pointer;white-space:nowrap;transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease)}.blk-menu-item:hover:not(:disabled){background:var(--blk-surface-hover)}.blk-menu-item:focus-visible{outline:none;background:var(--blk-surface-hover);box-shadow:inset 0 0 0 2px var(--blk-accent)}.blk-menu-item:disabled{opacity:.4;cursor:not-allowed}.blk-menu-item--danger{color:var(--blk-danger)}.blk-menu-item--danger:hover:not(:disabled){background:var(--blk-danger-soft);color:var(--blk-danger)}.blk-menu-divider{height:1px;background:var(--blk-divider);margin:6px -6px}.blk-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;color:var(--blk-text-secondary);border:1px solid transparent;flex-shrink:0;transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease),border-color var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap),box-shadow var(--blk-dur) var(--blk-ease)}.blk-icon-btn>svg{flex-shrink:0}.blk-icon-btn:hover:not(:disabled){background:var(--blk-surface-hover);color:var(--blk-text)}.blk-icon-btn:active:not(:disabled){transform:scale(.92);background:var(--blk-surface-active)}.blk-icon-btn:disabled{opacity:.45;cursor:not-allowed}.blk-icon-btn:focus-visible{outline:none;box-shadow:var(--blk-focus-ring);color:var(--blk-text)}.blk-icon-btn[data-active=true]{background:var(--blk-accent-soft);color:var(--blk-accent-emphasis)}.blk-icon-btn--outline{border-color:var(--blk-border-strong);background:var(--blk-surface);box-shadow:var(--blk-shadow-xs);color:var(--blk-text-tertiary)}.blk-icon-btn--outline:hover:not(:disabled){border-color:var(--blk-border-emphasis);box-shadow:var(--blk-shadow-sm);color:var(--blk-text-secondary)}.blk-icon-btn--outline:active:not(:disabled){background:var(--blk-surface-active)}.blk-icon-btn--danger:hover:not(:disabled){background:var(--blk-danger-soft);color:var(--blk-danger)}.blk-status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;position:relative}.blk-status-dot[data-status=published]{background:var(--blk-success);box-shadow:0 0 0 3px #1fa87633}.blk-status-dot[data-status=published]:after{content:"";position:absolute;inset:-3px;border-radius:50%;border:1px solid var(--blk-success);opacity:0;animation:blk-pulse 2.4s var(--blk-ease) infinite}@keyframes blk-pulse{0%{transform:scale(1);opacity:.45}80%{transform:scale(1.8);opacity:0}to{transform:scale(1.8);opacity:0}}.blk-status-dot[data-status=unsaved]{background:var(--blk-warning);box-shadow:0 0 0 3px #e9883738}.blk-status-dot[data-status=unsaved]:after{content:"";position:absolute;inset:-3px;border-radius:50%;border:1px solid var(--blk-warning);opacity:0;animation:blk-pulse 2.4s var(--blk-ease) infinite}.blk-status-dot[data-status=saved]{background:var(--blk-text-tertiary);box-shadow:0 0 0 3px #808ea42e}.blk-tooltip{background:var(--blk-text);color:var(--blk-surface);padding:5px 9px;border-radius:var(--blk-radius-sm);font-family:var(--blk-font);font-size:var(--blk-fs-xs);font-weight:500;line-height:var(--blk-lh-snug);letter-spacing:var(--blk-tracking-tight);box-shadow:0 8px 20px #0b152438,0 2px 4px #0b152429;-webkit-user-select:none;-moz-user-select:none;user-select:none;z-index:1000;max-width:240px;animation:blk-tooltip-in .14s var(--blk-ease);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.blk-tooltip-arrow{fill:var(--blk-text)}@keyframes blk-tooltip-in{0%{opacity:0;transform:translateY(-3px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.blk-history-menu{width:268px;max-height:380px;display:flex;flex-direction:column;background:var(--blk-surface);border:1px solid var(--blk-border);border-radius:var(--blk-radius-lg);box-shadow:var(--blk-shadow-xl);overflow:hidden;z-index:100;animation:blk-menu-in .16s var(--blk-ease-spring);font-size:var(--blk-fs-sm);transform-origin:top right}@keyframes blk-menu-in{0%{opacity:0;transform:translateY(-6px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.blk-history-head{padding:11px 14px;border-bottom:1px solid var(--blk-divider);font-weight:700;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-history-list{flex:1 1;min-height:0;overflow:auto;padding:4px}.blk-history-row{display:flex;align-items:center;gap:10px;padding:8px 10px;width:100%;border-radius:var(--blk-radius-sm);color:var(--blk-text-secondary);text-align:left;transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease)}.blk-history-row:hover:not(.blk-history-current){background:var(--blk-surface-hover);color:var(--blk-text)}.blk-history-row:focus-visible{outline:none;background:var(--blk-surface-hover);box-shadow:inset 0 0 0 2px var(--blk-accent)}.blk-history-delta{font-family:var(--blk-font-mono);font-size:var(--blk-fs-xs);font-weight:700;min-width:36px;padding:2px 6px;border-radius:4px;color:var(--blk-text-tertiary);background:var(--blk-surface-hover);display:inline-flex;align-items:center;justify-content:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-history-meta{flex:1 1;font-size:var(--blk-fs-sm)}.blk-history-current{background:var(--blk-accent-soft);color:var(--blk-accent-emphasis);font-weight:600}.blk-history-current .blk-history-delta{color:var(--blk-text-inverse);background:var(--blk-accent)}.blk-history-foot{display:flex;gap:4px;padding:6px;border-top:1px solid var(--blk-divider);justify-content:flex-end;background:var(--blk-surface-sunken)}.blk-panel{display:flex;flex-direction:column;height:100%;min-height:0}.blk-panel-header{display:flex;align-items:center;gap:var(--blk-space-2);padding:var(--blk-space-4) var(--blk-space-5) var(--blk-space-3);border-bottom:1px solid var(--blk-divider);background:var(--blk-surface);position:-webkit-sticky;position:sticky;top:0;z-index:1}.blk-panel-title{font-size:var(--blk-fs-xl);font-weight:700;flex:1 1;letter-spacing:var(--blk-tracking-tight)}.blk-panel-body{flex:1 1;min-height:0;overflow:auto;padding:var(--blk-space-4) var(--blk-space-5) var(--blk-space-6);scroll-behavior:smooth}.blk-panel-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:var(--blk-text-tertiary);padding:var(--blk-space-6);gap:var(--blk-space-2)}.blk-panel-empty-icon{width:48px;height:48px;border-radius:var(--blk-radius-lg);background:linear-gradient(135deg,var(--blk-accent-softer),var(--blk-accent-soft));color:var(--blk-accent-hover);display:grid;place-items:center;margin-bottom:var(--blk-space-3);box-shadow:inset 0 0 0 1px #0fab8f29}.blk-panel-empty h3{font-size:var(--blk-fs-xl);font-weight:700;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-panel-empty p{font-size:var(--blk-fs-md);color:var(--blk-text-secondary);line-height:var(--blk-lh-normal);max-width:280px}.blk-panel-section-label{font-size:var(--blk-fs-sm);font-weight:700;color:var(--blk-text-secondary);text-transform:none;margin-bottom:var(--blk-space-2);letter-spacing:var(--blk-tracking-normal)}.blk-block-list{display:flex;flex-direction:column;border:1px solid var(--blk-border);border-radius:var(--blk-radius-md);background:var(--blk-surface);overflow:hidden;box-shadow:var(--blk-shadow-xs)}.blk-block-row{display:flex;align-items:center;gap:var(--blk-space-3);padding:10px var(--blk-space-3);border-bottom:1px solid var(--blk-divider);transition:background var(--blk-dur) var(--blk-ease),padding-left var(--blk-dur) var(--blk-ease);position:relative}.blk-block-row:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--blk-accent);transform:scaleY(0);transition:transform var(--blk-dur) var(--blk-ease-spring)}.blk-block-row:last-child{border-bottom:0}.blk-block-row:hover{background:var(--blk-surface-hover)}.blk-block-row-icon{width:30px;height:30px;border-radius:var(--blk-radius-sm);display:grid;place-items:center;font-size:var(--blk-fs-xs);font-weight:700;color:var(--blk-text-inverse);flex-shrink:0;box-shadow:var(--blk-shadow-xs),inset 0 0 0 1px #ffffff24;letter-spacing:.02em}.blk-block-row-body{flex:1 1;min-width:0}.blk-block-row-title{font-size:var(--blk-fs-lg);font-weight:600;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-block-row-sub,.blk-block-row-title{line-height:var(--blk-lh-snug);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.blk-block-row-sub{font-size:var(--blk-fs-sm);color:var(--blk-text-tertiary);margin-top:2px}.blk-block-row-actions{display:inline-flex;align-items:stretch;border:1px solid var(--blk-border-strong);border-radius:var(--blk-radius-sm);background:var(--blk-surface);box-shadow:var(--blk-shadow-xs);overflow:hidden;opacity:0;transform:translate(6px);transition:opacity var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-spring)}.blk-block-row-actions .blk-icon-btn{width:32px;height:28px;border-radius:0;border:0;border-right:1px solid var(--blk-border);box-shadow:none;background:transparent;color:var(--blk-text)}.blk-block-row-actions .blk-icon-btn:last-child{border-right:0}.blk-block-row-actions .blk-icon-btn:hover:not(:disabled){background:var(--blk-surface-hover);color:var(--blk-text)}.blk-block-row-actions .blk-icon-btn:active:not(:disabled){transform:none;background:var(--blk-surface-active)}.blk-block-row:hover .blk-block-row-actions,.blk-block[data-open=true]>.blk-block-row .blk-block-row-actions{opacity:1;transform:translate(0)}.blk-block-grip{display:inline-flex;align-items:center;justify-content:center;width:14px;height:22px;margin-left:-4px;margin-right:2px;color:var(--blk-text-tertiary);cursor:-webkit-grab;cursor:grab;opacity:0;transition:opacity var(--blk-dur) var(--blk-ease);flex-shrink:0}.blk-block-grip:active{cursor:-webkit-grabbing;cursor:grabbing}.blk-block-row:hover .blk-block-grip,.blk-block[data-open=true]>.blk-block-row .blk-block-grip{opacity:1}.blk-block[data-dragging=true]{opacity:.4}.blk-block-row{cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.blk-block-row:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--blk-accent)}.blk-block[data-open=true]>.blk-block-row{background:var(--blk-accent-softer)}.blk-block[data-open=true]>.blk-block-row:before{transform:scaleY(1)}.blk-block-chevron-btn{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;color:var(--blk-text-tertiary);transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease);flex-shrink:0}.blk-block-chevron-btn:hover{background:var(--blk-surface-hover);color:var(--blk-text)}.blk-block-chevron-btn:focus-visible{outline:none;box-shadow:var(--blk-focus-ring)}.blk-block-chevron{color:inherit;flex-shrink:0;transition:transform var(--blk-dur) var(--blk-ease-spring)}.blk-block-chevron[data-open=true]{transform:rotate(90deg)}.blk-block-expand{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s var(--blk-ease);background:var(--blk-surface-sunken)}.blk-block-expand[data-open=true]{grid-template-rows:1fr}.blk-block-expand-inner{overflow:hidden;min-height:0}.blk-block-fields{display:flex;flex-direction:column;gap:var(--blk-space-3);padding:var(--blk-space-4);border-top:1px solid var(--blk-divider)}.blk-panel-title-with-count{display:inline-flex;align-items:center;gap:8px}.blk-count-pill{display:inline-flex;min-width:22px;height:22px;padding:0 8px;border-radius:999px;background:var(--blk-accent-soft);color:var(--blk-accent-emphasis);font-size:var(--blk-fs-xs);font-weight:700;line-height:1;letter-spacing:.02em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-count-pill,.blk-empty-state{align-items:center;justify-content:center}.blk-empty-state{display:flex;flex-direction:column;text-align:center;padding:var(--blk-space-7) var(--blk-space-5);gap:var(--blk-space-2);border:1px dashed var(--blk-border-strong);border-radius:var(--blk-radius-lg);background:var(--blk-surface);transition:border-color var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease)}.blk-empty-state:hover{border-color:var(--blk-accent);background:var(--blk-accent-softer)}.blk-empty-state-icon{width:52px;height:52px;border-radius:var(--blk-radius-lg);background:linear-gradient(135deg,var(--blk-accent-softer),var(--blk-accent-soft));color:var(--blk-accent-hover);display:grid;place-items:center;margin-bottom:var(--blk-space-2);box-shadow:inset 0 0 0 1px #0fab8f2e,0 4px 14px #0fab8f1a}.blk-empty-state h3{font-size:var(--blk-fs-xl);font-weight:700;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-empty-state p{line-height:var(--blk-lh-normal);max-width:280px;margin-bottom:var(--blk-space-3)}.blk-add-block-btn,.blk-empty-state p{font-size:var(--blk-fs-md);color:var(--blk-text-secondary)}.blk-add-block-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:var(--blk-space-3);margin-top:var(--blk-space-3);border:1px dashed var(--blk-border-strong);border-radius:var(--blk-radius-md);background:var(--blk-surface);font-weight:600;transition:background var(--blk-dur) var(--blk-ease),border-color var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap)}.blk-add-block-btn:hover{background:var(--blk-accent-softer);border-color:var(--blk-accent);color:var(--blk-accent-emphasis)}.blk-add-block-btn:active{transform:scale(.98)}.blk-add-block-btn:focus-visible{outline:none;border-style:solid;border-color:var(--blk-accent);box-shadow:var(--blk-focus-ring)}.blk-doc-fields{padding:0;border-top:0}.blk-info-list{display:flex;flex-direction:column;border:1px solid var(--blk-border);border-radius:var(--blk-radius-md);overflow:hidden;background:var(--blk-surface);box-shadow:var(--blk-shadow-xs)}.blk-info-row{display:flex;justify-content:space-between;gap:var(--blk-space-3);padding:10px var(--blk-space-3);border-bottom:1px solid var(--blk-divider);font-size:var(--blk-fs-sm);transition:background var(--blk-dur) var(--blk-ease)}.blk-info-row:hover{background:var(--blk-surface-hover)}.blk-info-row:last-child{border-bottom:0}.blk-info-row dt{color:var(--blk-text-secondary);font-weight:500}.blk-info-row dd{color:var(--blk-text);font-weight:600;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60%;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-info-banner{display:flex;align-items:flex-start;gap:8px;padding:var(--blk-space-3);margin-top:var(--blk-space-3);border-radius:var(--blk-radius-md);background:var(--blk-accent-softer);border:1px solid rgba(15,171,143,.22);color:var(--blk-accent-emphasis);font-size:var(--blk-fs-sm);line-height:var(--blk-lh-snug)}.blk-panel-actions{display:inline-flex;gap:2px;align-items:center}.blk-tools-section+.blk-tools-section{margin-top:var(--blk-space-5)}.blk-tools-heading{display:inline-flex;align-items:center;gap:6px;font-size:var(--blk-fs-xs);font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:var(--blk-space-2)}.blk-tools-heading,.blk-tools-heading svg{color:var(--blk-text-tertiary)}.blk-tools-grid{display:grid;grid-gap:8px;gap:8px}.blk-tools-grid--2{grid-template-columns:1fr 1fr}.blk-tools-grid>.blk-btn{justify-content:flex-start;gap:8px;padding-left:12px;padding-right:12px}.blk-tools-error{border-radius:var(--blk-radius-md);background:var(--blk-danger-soft);color:var(--blk-danger);border:1px solid rgba(220,74,80,.24)}.blk-tools-error,.blk-tools-info{margin-top:var(--blk-space-3);padding:10px 12px;font-size:var(--blk-fs-sm)}.blk-tools-info{border-radius:var(--blk-radius-md);background:var(--blk-accent-softer);color:var(--blk-accent-emphasis);border:1px solid rgba(15,171,143,.22)}.blk-paste-box{display:flex;flex-direction:column;gap:var(--blk-space-2);margin-top:var(--blk-space-3);padding:var(--blk-space-3);border-radius:var(--blk-radius-md);background:var(--blk-surface-sunken);border:1px solid var(--blk-border)}.blk-paste-actions{display:flex;gap:6px;justify-content:flex-end}.blk-shortcuts{display:flex;flex-direction:column;border:1px solid var(--blk-border);border-radius:var(--blk-radius-md);overflow:hidden;background:var(--blk-surface)}.blk-shortcut{display:flex;align-items:center;justify-content:space-between;font-size:var(--blk-fs-sm);color:var(--blk-text-secondary);padding:8px 12px;border-bottom:1px solid var(--blk-divider);transition:background var(--blk-dur) var(--blk-ease)}.blk-shortcut:last-child{border-bottom:0}.blk-shortcut:hover{background:var(--blk-surface-hover);color:var(--blk-text)}.blk-shortcut dt{font-weight:500}.blk-shortcut dd{display:inline-flex;gap:3px}.blk-shortcut kbd{font-family:var(--blk-font-mono);font-size:11px;font-weight:600;padding:2px 7px;min-width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;border:solid var(--blk-border-strong);border-width:1px 1px 2px;border-radius:5px;background:linear-gradient(180deg,var(--blk-surface) 0,var(--blk-surface-hover) 100%);color:var(--blk-text);line-height:1;box-shadow:inset 0 1px #fffc,0 1px #0b15240a}.blk-drill-crumbs{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:var(--blk-space-2);font-size:var(--blk-fs-sm);color:var(--blk-text-secondary)}.blk-drill-crumb{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--blk-text-secondary);font-weight:600;padding:0;background:none;border:0;letter-spacing:var(--blk-tracking-tight)}.blk-drill-crumb--link{color:var(--blk-text);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;cursor:pointer;transition:color var(--blk-dur) var(--blk-ease)}.blk-drill-crumb--link:hover{color:var(--blk-accent-emphasis)}.blk-drill-crumb--link:focus-visible{outline:none;box-shadow:var(--blk-focus-ring);border-radius:3px}.blk-drill-crumb[data-active=true]{color:var(--blk-text-tertiary);font-weight:500}.blk-drill-sep{color:var(--blk-text-tertiary);flex-shrink:0}.blk-panel--focused .blk-panel-header{flex-direction:column;align-items:flex-start;gap:4px;padding:var(--blk-space-4) var(--blk-space-5) var(--blk-space-3)}.blk-panel--focused .blk-panel-title{font-size:var(--blk-fs-2xl);font-weight:700;letter-spacing:var(--blk-tracking-tight)}.blk-focused-body{display:flex;flex-direction:column}.blk-slot-field-header{display:flex;justify-content:flex-end;margin-bottom:4px}.blk-layers-tree{display:flex;flex-direction:column;gap:1px}.blk-layer-row{display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:var(--blk-radius-sm);cursor:pointer;font-size:var(--blk-fs-sm);transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease);-webkit-user-select:none;-moz-user-select:none;user-select:none;position:relative}.blk-layer-row:hover{background:var(--blk-surface-hover)}.blk-layer-row:focus-visible{outline:none;background:var(--blk-surface-hover);box-shadow:inset 0 0 0 2px var(--blk-accent)}.blk-layer-row[data-active=true]{background:var(--blk-accent-soft);color:var(--blk-accent-emphasis)}.blk-layer-row[data-active=true] .blk-layer-label{color:var(--blk-accent-emphasis)}.blk-layer-chevron{width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center;color:var(--blk-text-tertiary);border-radius:3px;transition:transform var(--blk-dur) var(--blk-ease-spring),background var(--blk-dur) var(--blk-ease)}.blk-layer-chevron[data-open=true]{transform:rotate(90deg)}.blk-layer-chevron:hover{background:var(--blk-surface-active);color:var(--blk-text)}.blk-layer-chevron-icon{color:var(--blk-text-tertiary);transition:transform var(--blk-dur) var(--blk-ease-spring)}.blk-layer-chevron-icon[data-open=true]{transform:rotate(90deg)}.blk-layer-chevron-spacer{width:16px;height:16px;flex-shrink:0}.blk-layer-dot{width:10px;height:10px;border-radius:3px;flex-shrink:0;box-shadow:inset 0 0 0 1px #0b152414}.blk-layer-label{font-weight:600;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-layer-label,.blk-layer-sub{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.blk-layer-sub{flex:1 1;min-width:0}.blk-layer-slot,.blk-layer-sub{color:var(--blk-text-tertiary);font-size:var(--blk-fs-xs)}.blk-layer-slot{display:flex;align-items:center;gap:6px;padding:4px 10px;text-transform:uppercase;letter-spacing:.06em;cursor:pointer;font-weight:700}.blk-layer-slot-count,.blk-layer-slot:hover{color:var(--blk-text-secondary)}.blk-layer-slot-count{margin-left:auto;padding:0 7px;min-width:18px;border-radius:999px;background:var(--blk-surface-hover);font-weight:700;letter-spacing:0;text-transform:none;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-layer-empty{font-size:var(--blk-fs-xs);color:var(--blk-text-tertiary);padding:4px 10px;font-style:italic}.blk-palette-search{position:relative;margin-bottom:var(--blk-space-3)}.blk-palette-search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--blk-text-tertiary);pointer-events:none;transition:color var(--blk-dur) var(--blk-ease)}.blk-palette-search:focus-within svg{color:var(--blk-accent)}.blk-palette-search input{padding-left:34px}.blk-palette-groups{display:flex;flex-direction:column;gap:var(--blk-space-4)}.blk-palette-group{display:flex;flex-direction:column;gap:4px}.blk-palette-group-head{display:flex;align-items:center;gap:6px;padding:6px;width:100%;text-align:left;color:var(--blk-text-secondary);font-size:var(--blk-fs-sm);font-weight:700;text-transform:none;letter-spacing:0;border-radius:6px;transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease)}.blk-palette-group-head:hover{background:var(--blk-surface-hover);color:var(--blk-text)}.blk-palette-group-chevron{color:var(--blk-text-tertiary);transition:transform var(--blk-dur) var(--blk-ease-spring);flex-shrink:0}.blk-palette-group-chevron[data-open=true]{transform:rotate(90deg)}.blk-palette-group-title{flex:1 1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:var(--blk-tracking-tight)}.blk-palette-group-count{color:var(--blk-text-secondary);font-size:var(--blk-fs-xs);font-weight:700;padding:2px 8px;border-radius:999px;background:var(--blk-surface-hover);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-palette-group-desc{font-size:var(--blk-fs-xs);color:var(--blk-text-tertiary);padding:0 6px 6px;line-height:var(--blk-lh-snug)}.blk-palette-list{display:flex;flex-direction:column;gap:4px}.blk-palette-row{display:flex;align-items:center;gap:10px;padding:10px;width:100%;text-align:left;border:1px solid var(--blk-border);border-radius:var(--blk-radius-md);background:var(--blk-surface);cursor:-webkit-grab;cursor:grab;transition:border-color var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap),box-shadow var(--blk-dur) var(--blk-ease)}.blk-palette-row:hover{border-color:var(--blk-accent);background:var(--blk-accent-softer);transform:translateY(-1px);box-shadow:var(--blk-shadow-sm)}.blk-palette-row:hover .blk-palette-grip{color:var(--blk-accent)}.blk-palette-row:active{transform:translateY(0) scale(.99);cursor:-webkit-grabbing;cursor:grabbing}.blk-palette-row:focus-visible{outline:none;border-color:var(--blk-accent);box-shadow:var(--blk-focus-ring)}.blk-palette-row[data-dragging=true]{opacity:.5;cursor:-webkit-grabbing;cursor:grabbing;transform:scale(.98)}.blk-palette-icon{width:32px;height:32px;border-radius:var(--blk-radius-sm);color:var(--blk-text-inverse);font-size:var(--blk-fs-xs);font-weight:700;display:grid;place-items:center;flex-shrink:0;box-shadow:var(--blk-shadow-xs),inset 0 0 0 1px #ffffff24;letter-spacing:.02em}.blk-palette-body{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:2px}.blk-palette-label{font-size:var(--blk-fs-md);font-weight:600;color:var(--blk-text);line-height:var(--blk-lh-tight);letter-spacing:var(--blk-tracking-tight)}.blk-palette-desc,.blk-palette-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.blk-palette-desc{font-size:var(--blk-fs-xs);color:var(--blk-text-tertiary)}.blk-palette-grip{color:var(--blk-text-tertiary);flex-shrink:0;transition:color var(--blk-dur) var(--blk-ease)}.blk-insert-between{position:relative;height:8px;margin:-3px 0;z-index:1}.blk-insert-between-line{left:8px;right:8px;top:50%;transform:translateY(-50%);height:2px;border-radius:2px;background:var(--blk-accent);box-shadow:0 0 0 2px var(--blk-accent-softer)}.blk-insert-between-actions,.blk-insert-between-line{position:absolute;opacity:0;transition:opacity var(--blk-dur) var(--blk-ease)}.blk-insert-between-actions{inset:0;display:flex;align-items:center;justify-content:center;gap:6px}.blk-insert-between:focus-within .blk-insert-between-actions,.blk-insert-between:focus-within .blk-insert-between-line,.blk-insert-between:hover .blk-insert-between-actions,.blk-insert-between:hover .blk-insert-between-line{opacity:1}.blk-insert-between-btn{position:relative;display:grid;place-items:center;width:26px;height:26px;border-radius:999px;border:0;padding:0;cursor:pointer;transition:transform var(--blk-dur) var(--blk-ease-snap),background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease)}.blk-insert-between-btn--plus{background:var(--blk-accent);color:var(--blk-text-inverse);box-shadow:var(--blk-shadow-sm),0 0 0 3px var(--blk-surface)}.blk-insert-between-btn--plus:hover{transform:scale(1.08)}.blk-insert-between-btn--plus:active{transform:scale(.96)}.blk-insert-between-btn--paste{background:var(--blk-surface);color:var(--blk-text-secondary);border:1px solid var(--blk-border);box-shadow:var(--blk-shadow-sm),0 0 0 3px var(--blk-surface)}.blk-insert-between-btn--paste:hover{background:var(--blk-surface-hover);color:var(--blk-accent-emphasis);border-color:var(--blk-accent);transform:scale(1.08)}.blk-insert-between-btn--paste:active{transform:scale(.96)}.blk-insert-between-btn:focus-visible{outline:none;box-shadow:var(--blk-shadow-sm),var(--blk-focus-ring)}.blk-modal{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;padding:24px;font-family:var(--blk-font);color:var(--blk-text)}.blk-modal-backdrop{position:absolute;inset:0;background:#0c0e146b;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:blk-modal-fade-in .12s var(--blk-ease) both}.blk-modal-panel{position:relative;display:flex;flex-direction:column;width:min(640px,100%);max-height:min(640px,calc(100vh - 48px));background:var(--blk-surface);border:1px solid var(--blk-border);border-radius:var(--blk-radius-lg);box-shadow:var(--blk-shadow-lg);overflow:hidden;animation:blk-modal-pop .14s var(--blk-ease-spring) both}@keyframes blk-modal-fade-in{0%{opacity:0}to{opacity:1}}@keyframes blk-modal-pop{0%{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.blk-modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--blk-border)}.blk-modal-title{font-size:var(--blk-fs-lg);font-weight:700;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-modal-close{display:grid;place-items:center;width:26px;height:26px;border-radius:6px;color:var(--blk-text-secondary);background:transparent;border:0;cursor:pointer;transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease)}.blk-modal-close:hover{background:var(--blk-surface-hover);color:var(--blk-text)}.blk-modal-close:focus-visible{outline:none;box-shadow:var(--blk-focus-ring)}.blk-modal-search{position:relative;padding:12px 16px;border-bottom:1px solid var(--blk-border);background:var(--blk-surface)}.blk-modal-search svg{position:absolute;left:27px;top:50%;transform:translateY(-50%);color:var(--blk-text-tertiary);pointer-events:none;transition:color var(--blk-dur) var(--blk-ease)}.blk-modal-search:focus-within svg{color:var(--blk-accent)}.blk-modal-search input{padding-left:34px}.blk-modal-body{flex:1 1;min-height:0;overflow-y:auto;padding:12px 16px 16px}.blk-modal-groups{display:flex;flex-direction:column;gap:var(--blk-space-4)}.blk-modal-group{display:flex;flex-direction:column;gap:8px}.blk-modal-group-head{display:flex;align-items:center;gap:6px;padding:0 2px}.blk-modal-group-title{flex:1 1;text-transform:uppercase;letter-spacing:.06em}.blk-modal-group-count,.blk-modal-group-title{font-size:var(--blk-fs-xs);font-weight:700;color:var(--blk-text-secondary)}.blk-modal-group-count{padding:2px 8px;border-radius:999px;background:var(--blk-surface-hover);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-modal-group-desc{font-size:var(--blk-fs-xs);color:var(--blk-text-tertiary);padding:0 2px;line-height:var(--blk-lh-snug)}.blk-modal-list{display:flex;flex-direction:column;gap:8px}.blk-modal-card{display:flex;align-items:center;gap:12px;padding:10px 12px;width:100%;text-align:left;border:1px solid var(--blk-border);border-radius:var(--blk-radius-md);background:var(--blk-surface);cursor:pointer;transition:border-color var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap),box-shadow var(--blk-dur) var(--blk-ease)}.blk-modal-card:hover{border-color:var(--blk-accent);background:var(--blk-accent-softer);transform:translateY(-1px);box-shadow:var(--blk-shadow-sm)}.blk-modal-card:active{transform:translateY(0) scale(.99)}.blk-modal-card:focus-visible{outline:none;border-color:var(--blk-accent);box-shadow:var(--blk-focus-ring)}.blk-modal-card-icon{width:32px;height:32px;border-radius:var(--blk-radius-sm);color:var(--blk-text-inverse);font-size:var(--blk-fs-xs);font-weight:700;display:grid;place-items:center;flex-shrink:0;box-shadow:var(--blk-shadow-xs),inset 0 0 0 1px #ffffff24;letter-spacing:.02em}.blk-modal-card-body{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:2px}.blk-modal-card-label{font-size:var(--blk-fs-md);font-weight:600;color:var(--blk-text);line-height:var(--blk-lh-tight);letter-spacing:var(--blk-tracking-tight)}.blk-modal-card-desc,.blk-modal-card-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.blk-modal-card-desc{font-size:var(--blk-fs-xs);color:var(--blk-text-tertiary)}.blk-modal-card-preview{flex-shrink:0;display:grid;place-items:center;width:84px;height:56px;border-radius:var(--blk-radius-sm);border:1px solid var(--blk-border);background:linear-gradient(135deg,var(--blk-surface-hover) 0,var(--blk-surface) 100%);overflow:hidden;transition:border-color var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease)}.blk-modal-card-preview img,.blk-modal-card-preview svg,.blk-modal-card-preview>*{max-width:100%;max-height:100%}.blk-modal-card-preview img{width:100%;height:100%;object-fit:cover;display:block}.blk-modal-card-preview-placeholder{display:grid;place-items:center;width:100%;height:100%;color:var(--blk-text-tertiary);background-image:linear-gradient(45deg,var(--blk-border) 25%,transparent 25%,transparent 75%,var(--blk-border) 75%),linear-gradient(45deg,var(--blk-border) 25%,transparent 25%,transparent 75%,var(--blk-border) 75%);background-size:8px 8px;background-position:0 0,4px 4px;background-blend-mode:soft-light;opacity:.9}.blk-modal-card:hover .blk-modal-card-preview{border-color:var(--blk-accent)}.blk-field{display:flex;flex-direction:column;gap:6px}.blk-field--inline{flex-direction:row;align-items:flex-start;justify-content:space-between;gap:var(--blk-space-3)}.blk-field--inline .blk-field-label-group{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1 1}.blk-field-label{font-size:var(--blk-fs-sm);font-weight:600;color:var(--blk-text);line-height:var(--blk-lh-snug);letter-spacing:var(--blk-tracking-tight);display:inline-flex;align-items:center;gap:4px}.blk-field-required{color:var(--blk-danger);font-weight:700;line-height:1}.blk-field-desc{font-size:var(--blk-fs-xs);color:var(--blk-text-tertiary);line-height:var(--blk-lh-snug)}.blk-field-unsupported{padding:10px 12px;border-radius:var(--blk-radius-md);background:var(--blk-surface-hover);border:1px dashed var(--blk-border);color:var(--blk-text-tertiary);font-size:var(--blk-fs-sm);display:inline-flex;align-items:center;gap:6px}.blk-field-unsupported code{padding:2px 6px;border-radius:4px;background:var(--blk-surface-active);color:var(--blk-text-secondary);font-family:var(--blk-font-mono);font-size:var(--blk-fs-xs)}.blk-field-empty{padding:var(--blk-space-3);border-radius:var(--blk-radius-md);background:var(--blk-surface-hover);color:var(--blk-text-tertiary);font-size:var(--blk-fs-sm);text-align:center}.blk-input{width:100%;padding:9px 12px;border:1px solid var(--blk-border-strong);border-radius:var(--blk-radius-md);background:var(--blk-surface);font-size:var(--blk-fs-md);line-height:var(--blk-lh-snug);color:var(--blk-text);box-shadow:var(--blk-shadow-xs);transition:border-color var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease)}.blk-input:hover:not(:focus):not(:disabled){border-color:var(--blk-border-emphasis)}.blk-input:focus{outline:none;border-color:var(--blk-accent);box-shadow:var(--blk-focus-ring);background:var(--blk-surface)}.blk-input:disabled{background:var(--blk-surface-hover);color:var(--blk-text-disabled);cursor:not-allowed}.blk-input[aria-invalid=true]{border-color:var(--blk-danger)}.blk-input[aria-invalid=true]:focus{box-shadow:var(--blk-glow-danger)}.blk-input::placeholder{color:var(--blk-text-tertiary)}.blk-textarea{resize:vertical;min-height:80px;font-family:inherit;line-height:var(--blk-lh-normal)}.blk-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none' stroke='%23808ea4' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 4.5l3 3 3-3'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;cursor:pointer}.blk-select:focus{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none' stroke='%230fab8f' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 4.5l3 3 3-3'/%3E%3C/svg%3E")}.blk-toggle{position:relative;width:36px;height:20px;border-radius:999px;background:var(--blk-border-emphasis);transition:background var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease);padding:0;flex-shrink:0;margin-top:2px;cursor:pointer}.blk-toggle:hover:not(:disabled){background:#9ea8b8}.blk-toggle[data-checked=true]{background:linear-gradient(180deg,var(--blk-accent) 0,var(--blk-accent-hover) 100%);box-shadow:inset 0 1px 2px #0000001a}.blk-toggle[data-checked=true]:hover:not(:disabled){background:linear-gradient(180deg,var(--blk-accent-hover) 0,var(--blk-accent-press) 100%)}.blk-toggle:focus-visible{outline:none;box-shadow:var(--blk-focus-ring)}.blk-toggle-thumb{position:absolute;top:2px;left:2px;width:16px;height:16px;background:var(--blk-surface);border-radius:50%;box-shadow:0 1px 2px #0b152433,0 0 0 .5px #0b15240f;transition:transform var(--blk-dur-md) var(--blk-ease-spring),width var(--blk-dur) var(--blk-ease)}.blk-toggle:active:not(:disabled) .blk-toggle-thumb{width:20px}.blk-toggle[data-checked=true] .blk-toggle-thumb{transform:translate(16px)}.blk-toggle[data-checked=true]:active:not(:disabled) .blk-toggle-thumb{transform:translate(12px)}.blk-radio-group{display:inline-flex;padding:3px;border:1px solid var(--blk-border-strong);border-radius:var(--blk-radius-md);background:var(--blk-surface-hover);width:-moz-fit-content;width:fit-content;gap:2px}.blk-radio{padding:6px 14px;font-size:var(--blk-fs-sm);font-weight:600;color:var(--blk-text-secondary);border-radius:7px;background:transparent;letter-spacing:var(--blk-tracking-tight);transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease)}.blk-radio:hover:not([data-checked=true]){color:var(--blk-text);background:#fff9}.blk-radio:focus-visible{outline:none;box-shadow:var(--blk-focus-ring)}.blk-radio[data-checked=true]{background:var(--blk-surface);color:var(--blk-text);box-shadow:0 1px 2px #0b152414,0 1px 3px #0b15240a,0 0 0 1px var(--blk-border-strong)}.blk-object-field{display:flex;flex-direction:column;gap:var(--blk-space-3);padding:var(--blk-space-3);border:1px solid var(--blk-border);border-radius:var(--blk-radius-md);background:var(--blk-surface-sunken)}.blk-array-empty{padding:var(--blk-space-4);border-radius:var(--blk-radius-md);border:1px dashed var(--blk-border-strong);color:var(--blk-text-tertiary);font-size:var(--blk-fs-sm);text-align:center;background:var(--blk-surface);transition:border-color var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease)}.blk-array-empty:hover{border-color:var(--blk-accent);background:var(--blk-accent-softer)}.blk-array-list{display:flex;flex-direction:column;border:1px solid var(--blk-border);border-radius:var(--blk-radius-md);background:var(--blk-surface);overflow:hidden;box-shadow:var(--blk-shadow-xs)}.blk-array-item{border-bottom:1px solid var(--blk-divider)}.blk-array-item:last-child{border-bottom:0}.blk-array-row{display:flex;align-items:center;gap:var(--blk-space-2);padding:10px var(--blk-space-3);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:background var(--blk-dur) var(--blk-ease);position:relative}.blk-array-row:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--blk-accent);transform:scaleY(0);transition:transform var(--blk-dur) var(--blk-ease-spring)}.blk-array-row:hover{background:var(--blk-surface-hover)}.blk-array-item[data-open=true] .blk-array-row{background:var(--blk-accent-softer)}.blk-array-item[data-open=true] .blk-array-row:before{transform:scaleY(1)}.blk-array-summary{flex:1 1;min-width:0;font-size:var(--blk-fs-md);color:var(--blk-text);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.blk-array-actions{display:inline-flex;gap:1px;opacity:0;transform:translate(4px);transition:opacity var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-spring)}.blk-array-item[data-open=true] .blk-array-actions,.blk-array-row:hover .blk-array-actions{opacity:1;transform:translate(0)}.blk-link-field{display:flex;flex-direction:column;gap:6px}.blk-link-target{display:inline-flex;align-items:center;gap:6px;font-size:var(--blk-fs-sm);color:var(--blk-text-secondary);margin-top:4px}.blk-asset-field{display:flex;flex-direction:column;gap:6px}.blk-asset-preview{position:relative;border:1px solid var(--blk-border);border-radius:var(--blk-radius-md);overflow:hidden;background:var(--blk-surface-hover);aspect-ratio:16/9;box-shadow:var(--blk-shadow-xs);transition:border-color var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease)}.blk-asset-preview:hover{border-color:var(--blk-border-emphasis);box-shadow:var(--blk-shadow-sm)}.blk-asset-preview img{width:100%;height:100%;object-fit:cover;display:block}.blk-asset-clear{position:absolute;top:8px;right:8px;width:24px;height:24px;border-radius:50%;background:#0b1524b8;color:#fff;display:inline-flex;align-items:center;justify-content:center;opacity:0;transform:scale(.85);transition:opacity var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-spring),background var(--blk-dur) var(--blk-ease);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.blk-asset-clear:focus-visible,.blk-asset-preview:hover .blk-asset-clear{opacity:1;transform:scale(1)}.blk-asset-clear:hover{background:var(--blk-danger)}.blk-asset-drop,.blk-asset-placeholder{display:flex;align-items:center;justify-content:center;gap:8px;padding:var(--blk-space-5);border:1px dashed var(--blk-border-strong);border-radius:var(--blk-radius-md);color:var(--blk-text-secondary);font-size:var(--blk-fs-sm);font-weight:500;background:var(--blk-surface);transition:border-color var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease);cursor:pointer}.blk-asset-drop:hover,.blk-asset-placeholder:hover{border-color:var(--blk-accent);background:var(--blk-accent-softer);color:var(--blk-accent-emphasis)}.blk-asset-drop[data-drop-active=true]{border-style:solid;border-color:var(--blk-accent);background:var(--blk-accent-soft);color:var(--blk-accent-emphasis);box-shadow:var(--blk-glow-accent)}.blk-richtext{display:flex;flex-direction:column;gap:0;border:1px solid var(--blk-border-strong);border-radius:var(--blk-radius-md);overflow:hidden;background:var(--blk-surface);box-shadow:var(--blk-shadow-xs);transition:border-color var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease)}.blk-richtext:hover:not(:focus-within){border-color:var(--blk-border-emphasis)}.blk-richtext:focus-within{border-color:var(--blk-accent);box-shadow:var(--blk-focus-ring)}.blk-richtext-toolbar{display:flex;align-items:center;gap:1px;padding:4px;border-bottom:1px solid var(--blk-divider);background:var(--blk-surface-sunken)}.blk-richtext-btn{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--blk-radius-sm);color:var(--blk-text-secondary);transition:background var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap)}.blk-richtext-btn:hover{background:var(--blk-surface-active);color:var(--blk-text)}.blk-richtext-btn:active{transform:scale(.9)}.blk-richtext-btn:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--blk-accent);color:var(--blk-text)}.blk-richtext-btn[data-active=true]{background:var(--blk-accent-soft);color:var(--blk-accent-emphasis)}.blk-richtext-divider{width:1px;height:18px;background:var(--blk-border);margin:0 4px}.blk-richtext-editor{border:0;border-radius:0;resize:vertical;min-height:100px;font-family:inherit;line-height:var(--blk-lh-normal);box-shadow:none}.blk-richtext-editor:focus{box-shadow:none}.blk-slot-empty{padding:var(--blk-space-4);text-align:center;border:1px dashed var(--blk-border-strong);border-radius:var(--blk-radius-sm);background:var(--blk-surface-sunken);color:var(--blk-text-tertiary);font-size:var(--blk-fs-sm);font-weight:500;transition:background var(--blk-dur) var(--blk-ease),border-color var(--blk-dur) var(--blk-ease),color var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease)}.blk-slot-empty[data-drop-active=true]{background:var(--blk-accent-soft);border-color:var(--blk-accent);border-style:solid;color:var(--blk-accent-emphasis);box-shadow:var(--blk-glow-accent)}.blk-tabs{display:flex;gap:2px;padding:0 2px;margin-bottom:var(--blk-space-3);border-bottom:1px solid var(--blk-divider);overflow-x:auto;scrollbar-width:none;position:relative}.blk-tabs::-webkit-scrollbar{display:none}.blk-tab{position:relative;padding:9px 14px 11px;font-size:var(--blk-fs-md);font-weight:600;color:var(--blk-text-tertiary);border-radius:0;white-space:nowrap;letter-spacing:var(--blk-tracking-tight);transition:color var(--blk-dur) var(--blk-ease),background var(--blk-dur) var(--blk-ease)}.blk-tab:after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:2px;background:var(--blk-accent);border-radius:2px 2px 0 0;opacity:0;transform:scaleX(.3);transform-origin:center;transition:opacity var(--blk-dur) var(--blk-ease),transform var(--blk-dur-md) var(--blk-ease-spring)}.blk-tab:hover{color:var(--blk-text);background:var(--blk-surface-hover);border-radius:6px 6px 0 0}.blk-tab:focus-visible{outline:none;color:var(--blk-text);box-shadow:inset 0 0 0 2px var(--blk-accent);border-radius:6px 6px 0 0}.blk-tab[data-active=true]{color:var(--blk-accent-emphasis);font-weight:700}.blk-tab[data-active=true]:after{opacity:1;transform:scaleX(1)}.blk-slot-zone{display:flex;flex-direction:column;gap:var(--blk-space-2)}.blk-seo{padding:var(--blk-space-3) var(--blk-space-3) var(--blk-space-6)}.blk-seo,.blk-seo-score{display:flex;flex-direction:column;gap:var(--blk-space-3)}.blk-seo-score{position:relative;padding:var(--blk-space-4);border-radius:var(--blk-radius-lg);background:linear-gradient(160deg,var(--blk-accent-softer) 0,var(--blk-surface) 55%);border:1px solid var(--blk-border);box-shadow:var(--blk-shadow-xs);overflow:hidden}.blk-seo-score:after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(140% 100% at 100% 0,rgba(15,171,143,.08),transparent 60%);opacity:0;transition:opacity var(--blk-dur-md) var(--blk-ease)}.blk-seo-score[data-tier=good]:after{opacity:1}.blk-seo-score[data-tier=poor]{background:linear-gradient(160deg,var(--blk-danger-soft) 0,var(--blk-surface) 55%)}.blk-seo-score[data-tier=ok]{background:linear-gradient(160deg,var(--blk-warning-soft) 0,var(--blk-surface) 55%)}.blk-seo-score-top{display:flex;align-items:center;gap:var(--blk-space-3)}.blk-seo-score-meta{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1 1}.blk-seo-score-label{font-size:var(--blk-fs-xs);font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blk-text-tertiary)}.blk-seo-score-tier{font-size:var(--blk-fs-lg);font-weight:700;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-seo-fix-btn{margin-top:6px;display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:var(--blk-radius-pill);font-size:var(--blk-fs-sm);font-weight:600;letter-spacing:.01em;width:-moz-fit-content;width:fit-content;transition:background var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap),box-shadow var(--blk-dur) var(--blk-ease)}.blk-seo-fix-btn[data-variant=primary]{background:var(--blk-primary);color:var(--blk-text-inverse);box-shadow:0 2px 8px #0b15242e}.blk-seo-fix-btn[data-variant=primary]:hover{background:var(--blk-primary-hover);transform:translateY(-1px);box-shadow:0 6px 16px #0b152438}.blk-seo-fix-btn[data-variant=primary]:active{transform:translateY(0)}.blk-seo-fix-btn[data-variant=ghost]{background:transparent;color:var(--blk-text-tertiary);box-shadow:inset 0 0 0 1px var(--blk-border)}.blk-seo-fix-btn:disabled{cursor:default}.blk-seo-fix-btn:focus-visible{box-shadow:var(--blk-focus-ring)}.blk-seo-ring{flex-shrink:0}.blk-seo-ring-track{stroke:var(--blk-border);opacity:.6}.blk-seo-ring-fill{transition:stroke-dashoffset var(--blk-dur-lg) var(--blk-ease-spring)}.blk-seo-ring[data-tier=good] .blk-seo-ring-fill{stroke:var(--blk-accent)}.blk-seo-ring[data-tier=ok] .blk-seo-ring-fill{stroke:var(--blk-warning)}.blk-seo-ring[data-tier=poor] .blk-seo-ring-fill{stroke:var(--blk-danger)}.blk-seo-ring-text{font-family:var(--blk-font);font-size:20px;font-weight:700;fill:var(--blk-text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:-.02em}.blk-seo-subscores{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:6px;gap:6px}.blk-seo-subscore{text-align:center;padding:8px 4px;border-radius:var(--blk-radius-sm);background:#ffffffa6;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);border:1px solid var(--blk-border)}.blk-seo-subscore-val{font-size:var(--blk-fs-lg);font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:-.01em;color:var(--blk-text);line-height:1}.blk-seo-subscore[data-tier=good] .blk-seo-subscore-val{color:var(--blk-accent-emphasis)}.blk-seo-subscore[data-tier=ok] .blk-seo-subscore-val{color:var(--blk-warning)}.blk-seo-subscore[data-tier=poor] .blk-seo-subscore-val{color:var(--blk-danger)}.blk-seo-subscore-label{margin-top:2px;font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--blk-text-tertiary)}.blk-seo-section{border:1px solid var(--blk-border);border-radius:var(--blk-radius-md);background:var(--blk-surface);overflow:hidden;transition:border-color var(--blk-dur) var(--blk-ease)}.blk-seo-section[data-open=true]{border-color:var(--blk-border-strong)}.blk-seo-section-head{display:flex;align-items:center;gap:8px;width:100%;padding:10px 12px;background:transparent;color:var(--blk-text);font-size:var(--blk-fs-md);font-weight:600;letter-spacing:var(--blk-tracking-tight);transition:background var(--blk-dur) var(--blk-ease)}.blk-seo-section-head:hover{background:var(--blk-surface-hover)}.blk-seo-section-head:focus-visible{box-shadow:var(--blk-focus-ring-inset)}.blk-seo-section-chevron{color:var(--blk-text-tertiary);transition:transform var(--blk-dur) var(--blk-ease)}.blk-seo-section-chevron[data-open=true]{transform:rotate(90deg)}.blk-seo-section-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:var(--blk-radius-xs);background:var(--blk-accent-soft);color:var(--blk-accent-emphasis)}.blk-seo-section-title{flex:1 1;text-align:left;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-seo-section-body{padding:4px 12px 14px;display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--blk-divider)}.blk-seo-field{display:flex;flex-direction:column;gap:6px}.blk-seo-field-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.blk-seo-field-label{font-size:var(--blk-fs-sm);font-weight:600;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-seo-field-limit{font-size:var(--blk-fs-xs);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--blk-text-tertiary);font-weight:600;letter-spacing:.02em}.blk-seo-field-limit[data-status=ok]{color:var(--blk-success)}.blk-seo-field-limit[data-status=short]{color:var(--blk-warning)}.blk-seo-field-limit[data-status=over]{color:var(--blk-danger)}.blk-seo-field-hint,.blk-seo-field-limit[data-status=empty]{color:var(--blk-text-tertiary)}.blk-seo-field-hint{font-size:var(--blk-fs-xs);line-height:var(--blk-lh-normal)}.blk-seo-textarea{resize:vertical;min-height:64px;font-family:inherit}.blk-seo-meter{position:relative;height:3px;border-radius:2px;background:var(--blk-surface-active);overflow:hidden}.blk-seo-meter span{display:block;height:100%;background:var(--blk-accent);border-radius:2px;transition:width var(--blk-dur-md) var(--blk-ease)}.blk-seo-meter[data-status=short] span{background:var(--blk-warning)}.blk-seo-meter[data-status=over] span{background:var(--blk-danger)}.blk-seo-meter[data-status=empty] span{background:var(--blk-border-strong);width:0!important}.blk-seo-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.blk-seo-toggle{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border-radius:var(--blk-radius-md);border:1px solid var(--blk-border);background:var(--blk-surface-sunken);transition:border-color var(--blk-dur) var(--blk-ease);cursor:pointer}.blk-seo-toggle[data-on=true]{border-color:var(--blk-accent);background:var(--blk-accent-softer)}.blk-seo-toggle-text{display:flex;flex-direction:column;gap:1px;min-width:0}.blk-seo-toggle-label{font-size:var(--blk-fs-sm);font-weight:600;color:var(--blk-text);letter-spacing:var(--blk-tracking-tight)}.blk-seo-toggle-sub{font-size:10px;color:var(--blk-text-tertiary);letter-spacing:.02em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.blk-seo-switch{position:relative;width:28px;height:16px;border-radius:999px;background:var(--blk-border-strong);transition:background var(--blk-dur) var(--blk-ease),box-shadow var(--blk-dur) var(--blk-ease);flex-shrink:0}.blk-seo-switch-knob{position:absolute;top:2px;left:2px;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 1px 2px #0b15242e;transition:transform var(--blk-dur) var(--blk-ease-spring)}.blk-seo-toggle[data-on=true] .blk-seo-switch{background:var(--blk-accent)}.blk-seo-toggle[data-on=true] .blk-seo-switch-knob{transform:translate(12px)}.blk-seo-switch:focus-visible{box-shadow:var(--blk-focus-ring)}.blk-seo-serp{padding:14px 16px;background:var(--blk-surface);border-radius:var(--blk-radius-sm);border:1px solid var(--blk-border);box-shadow:var(--blk-shadow-xs);font-family:arial,sans-serif}.blk-seo-serp-site{display:flex;align-items:center;gap:6px;margin-bottom:4px}.blk-seo-serp-favicon{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:var(--blk-surface-active);color:var(--blk-text-tertiary)}.blk-seo-serp-url{font-size:12px;color:#4d5c75;letter-spacing:0}.blk-seo-serp-title{font-size:18px;line-height:1.3;color:#1a0dab;font-weight:400;letter-spacing:-.005em;margin-bottom:4px;text-overflow:ellipsis;-webkit-line-clamp:1}.blk-seo-serp-desc,.blk-seo-serp-title{overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical}.blk-seo-serp-desc{font-size:13px;line-height:1.58;color:#4d5c75;-webkit-line-clamp:2}.blk-seo-outline{display:flex;flex-direction:column;gap:2px}.blk-seo-outline-row{display:flex;align-items:center;gap:8px;width:100%;padding:6px 8px;border-radius:var(--blk-radius-sm);font-size:var(--blk-fs-sm);color:var(--blk-text);text-align:left;transition:background var(--blk-dur) var(--blk-ease)}.blk-seo-outline-row:hover{background:var(--blk-surface-hover)}.blk-seo-outline-row:focus-visible{box-shadow:var(--blk-focus-ring-inset)}.blk-seo-outline-row[data-empty=true] .blk-seo-outline-text{color:var(--blk-text-tertiary);font-style:italic}.blk-seo-outline-tag{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:20px;padding:0 6px;border-radius:var(--blk-radius-xs);font-size:10px;font-weight:700;letter-spacing:.04em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;flex-shrink:0;background:var(--blk-surface-active);color:var(--blk-text-secondary)}.blk-seo-outline-tag[data-level="1"]{background:var(--blk-accent);color:var(--blk-text-inverse)}.blk-seo-outline-tag[data-level="2"]{background:var(--blk-accent-soft);color:var(--blk-accent-emphasis)}.blk-seo-outline-tag[data-level="3"]{background:var(--blk-surface-active);color:var(--blk-text)}.blk-seo-outline-text{flex:1 1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:var(--blk-tracking-tight)}.blk-seo-issues{display:flex;flex-direction:column;gap:6px}.blk-seo-issue{display:flex;align-items:flex-start;gap:10px;width:100%;padding:10px 12px;border-radius:var(--blk-radius-sm);background:var(--blk-surface-sunken);border:1px solid var(--blk-border);text-align:left;transition:background var(--blk-dur) var(--blk-ease),border-color var(--blk-dur) var(--blk-ease),transform var(--blk-dur) var(--blk-ease-snap)}.blk-seo-issue:not(:disabled):hover{background:var(--blk-surface);border-color:var(--blk-border-strong);transform:translate(1px)}.blk-seo-issue:focus-visible{box-shadow:var(--blk-focus-ring)}.blk-seo-issue-icon{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;margin-top:1px}.blk-seo-issue[data-severity=error] .blk-seo-issue-icon{color:var(--blk-danger);background:var(--blk-danger-soft)}.blk-seo-issue[data-severity=warn] .blk-seo-issue-icon{color:var(--blk-warning);background:var(--blk-warning-soft)}.blk-seo-issue[data-severity=info] .blk-seo-issue-icon{color:var(--blk-info);background:var(--blk-info-soft)}.blk-seo-issue-body{flex:1 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820px){.tpl-cta-split{grid-template-columns:1fr!important}.tpl-cta-split-text{padding:56px 24px!important}.tpl-cta-split-image{min-height:260px!important}.tpl-cta h2{font-size:32px!important}.tpl-cta-card-wrap{padding:48px 20px!important}.tpl-cta-card{padding:48px 24px!important}.tpl-cta-fullbleed{padding:80px 24px!important}}@container (max-width: 900px){.tpl-footer{padding:56px 20px 28px!important}.tpl-footer-multi{grid-template-columns:repeat(2,1fr)!important;gap:32px!important;padding-bottom:40px!important}.tpl-footer-multi-brand{grid-column:1/-1!important}.tpl-footer-bottom{flex-direction:column!important;align-items:flex-start!important}}@container (max-width: 520px){.tpl-footer-multi{grid-template-columns:1fr!important}}@container (max-width: 720px){.tpl-testi-grid,.tpl-testi-single{padding:64px 20px!important}.tpl-testi-single p{font-size:22px!important}.tpl-testi-head h2{font-size:30px!important}}@container (max-width: 820px){.tpl-pricing{padding:64px 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