:root{--text: #6b6375;--text-h: #08060d;--bg: #fff;--border: #e5e4e7;--code-bg: #f4f3ec;--accent: #aa3bff;--accent-bg: rgba(170, 59, 255, .1);--accent-border: rgba(170, 59, 255, .5);--social-bg: rgba(244, 243, 236, .5);--shadow: rgba(0, 0, 0, .1) 0 10px 15px -3px, rgba(0, 0, 0, .05) 0 4px 6px -2px;--sans: system-ui, "Segoe UI", Roboto, sans-serif;--heading: system-ui, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media(max-width:1024px){:root{font-size:16px}}@media(prefers-color-scheme:dark){:root{--text: #9ca3af;--text-h: #f3f4f6;--bg: #16171d;--border: #2e303a;--code-bg: #1f2028;--accent: #c084fc;--accent-bg: rgba(192, 132, 252, .15);--accent-border: rgba(192, 132, 252, .5);--social-bg: rgba(47, 48, 58, .5);--shadow: rgba(0, 0, 0, .4) 0 10px 15px -3px, rgba(0, 0, 0, .25) 0 4px 6px -2px}#social .button-icon{filter:invert(1) brightness(2)}}#root{width:1760px;max-width:100%;margin:0 auto;text-align:center;border-inline:1px solid var(--border);min-height:100svh;display:flex;flex-direction:column;box-sizing:border-box}body{margin:0}h1,h2{font-family:var(--heading);font-weight:500;color:var(--text-h)}h1{font-size:56px;letter-spacing:-1.68px;margin:32px 0}@media(max-width:1024px){h1{font-size:36px;margin:20px 0}}h2{font-size:24px;line-height:118%;letter-spacing:-.24px;margin:0 0 8px}@media(max-width:1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);display:inline-flex;border-radius:4px;color:var(--text-h)}code{font-size:15px;line-height:135%;padding:4px 8px;background:var(--code-bg)}:root{--bg: #0f1115;--panel: #161920;--panel-hi: #202430;--fg: #f1f5f9;--muted: #94a3b8;--line: #2d313f;--accent: #3b82f6;--accent-hover: #60a5fa;--accent-glow: rgba(59, 130, 246, .15);--success: #10b981;--success-hover: #34d399}body{margin:0;padding:0;background-color:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}.app-container{max-width:1760px;margin:0 auto;padding:24px;min-height:100vh;display:flex;flex-direction:column;box-sizing:border-box}.app-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;margin-bottom:24px;border-bottom:1px solid var(--line);padding-bottom:16px}.header-left{display:flex;align-items:center;gap:16px;justify-self:start}.app-title-group{justify-self:center;text-align:center}@media(max-width:1024px){.app-header{grid-template-columns:1fr auto;grid-template-areas:"left right" "title title";row-gap:12px}.header-left{grid-area:left}.header-right{grid-area:right}.app-title-group{grid-area:title}}.back-btn{background:var(--panel);border:1px solid var(--line);color:var(--fg);padding:8px 14px;border-radius:8px;text-decoration:none;font-size:14px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:6px}.back-btn:hover{border-color:var(--accent);background:var(--panel-hi);transform:translate(-2px)}.app-title-group h1{margin:0;font-size:24px;font-weight:700;background:linear-gradient(135deg,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.app-title-group p{margin:4px 0 0;font-size:13px;color:var(--muted)}.header-right{display:flex;align-items:center;gap:12px;justify-self:end}.btn-lang{background:var(--panel);border:1px solid var(--line);color:var(--fg);padding:8px 16px;border-radius:8px;cursor:pointer;font-size:13.5px;transition:all .2s}.btn-lang:hover{border-color:var(--accent);background:var(--panel-hi)}.main-grid{display:grid;grid-template-columns:340px minmax(0,1fr) 340px;grid-template-areas:"left center right";gap:24px;flex:1}.sidebar-left{grid-area:left}.content-area{grid-area:center}.sidebar-right{grid-area:right}.texture-material-block{margin-top:14px;padding-top:12px;border-top:2px solid var(--accent)}.texture-material-terrainA{margin-top:4px}@media(max-width:768px){.app-container{padding:12px 14px}}@media(max-width:1380px){.main-grid{grid-template-columns:minmax(250px,320px) minmax(0,1fr);grid-template-areas:"left center" "right center";align-content:start}}@media(max-width:580px){.main-grid{grid-template-columns:1fr;grid-template-areas:"left" "center" "right"}}@media(max-width:1024px){.sidebar{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}}.infotip{position:relative;display:inline-flex;margin-left:6px;vertical-align:middle}.infotip-btn{width:15px;height:15px;padding:0;border:1px solid var(--muted);border-radius:50%;background:none;color:var(--muted);font:700 10px/1 inherit;cursor:help;display:grid;place-items:center}.infotip-btn:hover,.infotip-btn:focus{border-color:var(--accent);color:var(--accent);outline:none}.infotip-panel{position:absolute;top:calc(100% + 8px);left:0;width:280px;padding:10px 12px;background:var(--panel-hi);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 24px -6px #0000008c;color:var(--fg);font-size:11.5px;font-weight:400;line-height:1.55;text-align:left;white-space:normal;z-index:50;opacity:0;visibility:hidden;transition:opacity .12s ease}.infotip-panel:before{content:"";position:absolute;top:-8px;right:0;bottom:100%;left:0}.sidebar-right .infotip-panel{left:auto;right:0}.infotip:hover .infotip-panel,.infotip-btn:focus+.infotip-panel{opacity:1;visibility:visible}@media(max-width:1024px){.infotip-panel,.sidebar-right .infotip-panel{position:fixed;top:auto;bottom:16px;left:16px;right:16px;width:auto;font-size:13px}}.sidebar{display:flex;flex-direction:column;gap:20px;align-content:start}.panel-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.panel-title{margin:0 0 16px;font-size:16px;font-weight:600;color:var(--fg);border-left:3px solid var(--accent);padding-left:10px}.swatch-row{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:6px}.swatch-cell{display:flex;flex-direction:column;gap:4px;min-width:0}.swatch-cell-label{font-size:10px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.colour-swatch{position:relative;height:26px;border-radius:4px;border:1px solid var(--line);overflow:hidden;cursor:pointer;-webkit-user-select:none;user-select:none}.colour-swatch.is-custom{border:2px solid var(--accent)}.colour-swatch.is-disabled{opacity:.45;cursor:not-allowed}.colour-swatch input[type=color]{position:absolute;top:-10px;left:-10px;width:200%;height:200%;opacity:0;cursor:inherit}.colour-swatch.is-disabled input[type=color]{pointer-events:none}.swatch-cross{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;z-index:2}.field-note{margin:0 0 8px;font-size:10.5px;line-height:1.5;color:var(--muted)}.field-warn{margin-top:6px;padding:6px 8px;border-left:2px solid #d97706;border-radius:3px;background:#d977061f;color:#b45309}.seed-field{display:flex;gap:6px;align-items:center}.seed-field .text-input{flex:1;min-width:0}.btn-dice,.btn-reset-seed{padding:4px 10px;font-size:14px;flex:0 0 auto}.btn-reset{font-size:11px;padding:1px 6px;height:20px}.btn-preset{margin-top:8px;background:var(--panel-hi);border:1px solid var(--line);color:var(--muted);font-size:11px;padding:6px;border-radius:4px;cursor:pointer;transition:all .2s}.btn-preset:hover{color:var(--fg);border-color:var(--accent)}.type-tabs{display:flex;background:var(--panel-hi);padding:4px;border-radius:8px;border:1px solid var(--line)}.tab-btn{flex:1;background:transparent;border:none;color:var(--muted);padding:8px;font-size:13px;font-weight:500;cursor:pointer;border-radius:6px;transition:all .15s}.tab-btn.active{background:var(--accent);color:#fff;box-shadow:0 2px 4px #3b82f666}.slider-header{display:flex;justify-content:space-between;font-size:12.5px;user-select:none;-webkit-user-select:none}.slider-name{color:var(--fg);font-weight:500;user-select:none;-webkit-user-select:none}.slider-val{color:var(--accent-hover);font-family:monospace;font-weight:600;user-select:none;-webkit-user-select:none}.slider-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:var(--panel-hi);outline:none;transition:background 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12px;border-radius:6px;font-size:13.5px;outline:none}.text-input:focus{border-color:var(--accent)}.btn-action{background:var(--accent);color:#fff;border:none;padding:9px 16px;border-radius:6px;font-size:13.5px;font-weight:600;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn-action:hover{background:var(--accent-hover);box-shadow:0 0 12px #3b82f666}.btn-secondary{background:var(--panel-hi);border:1px solid var(--line);color:var(--fg)}.btn-secondary:hover{background:#ffffff0d;border-color:var(--muted)}.content-area{display:flex;flex-direction:column;gap:24px;min-width:0}.preview-card{display:flex;flex-direction:column;align-items:center}.canvas-container{background:repeating-conic-gradient(#1e293b,#1e293b 25%,#0f172a 0%,#0f172a 50%) 50% / 16px 16px;border:2px solid var(--line);border-radius:8px;padding:16px;width:100%;max-width:100%;max-height:450px;overflow:auto;margin-bottom:16px;display:flex}.tileset-canvas{image-rendering:pixelated;box-shadow:0 10px 15px -3px #0000004d;margin:auto;flex-shrink:0;background:repeating-conic-gradient(#151821,#151821 25%,#0a0b0e 0%,#0a0b0e 50%) 50% / 24px 24px}.action-bar{display:flex;width:100%;justify-content:flex-end;gap:12px}.playground-tools{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.action-bar .btn-action{flex:0 1 auto}.playground-tools{justify-content:center}.tool-btn.active{border-color:var(--accent);background:var(--accent-glow);color:var(--fg);box-shadow:0 0 0 1px var(--accent)}.playground-panel{display:flex;flex-direction:column}.playground-tip{font-size:12px;color:var(--muted);margin-top:-8px;margin-bottom:16px;line-height:1.5}.playground-canvas-wrapper{background:#0b0d12;border:1px solid var(--line);border-radius:8px;padding:12px;width:100%;max-width:100%;max-height:550px;overflow:auto;-webkit-overflow-scrolling:touch;box-sizing:border-box;display:flex;position:relative}.playground-canvas{image-rendering:pixelated;cursor:crosshair;background:repeating-conic-gradient(#151821,#151821 25%,#0a0b0e 0%,#0a0b0e 50%) 50% / 24px 24px;box-shadow:inset 0 0 10px #00000080;border:1px solid #1e293b;margin:auto;flex-shrink:0}.tip-badge{display:inline-block;background:var(--accent-glow);color:var(--accent-hover);border:1px solid rgba(59,130,246,.2);padding:4px 8px;border-radius:4px;font-size:11px;font-weight:600;margin-right:6px}.checkbox-group{display:flex;align-items:center;gap:10px;background:var(--panel-hi);border:1px solid var(--line);padding:10px 14px;border-radius:8px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .2s ease}.checkbox-group:hover{border-color:var(--accent);background:#3b82f60d}.checkbox-input{width:16px;height:16px;accent-color:var(--accent);cursor:pointer;margin:0}.checkbox-label{font-size:13px;font-weight:500;color:var(--fg)}.checkbox-group.compact{padding:4px 10px;gap:7px}.checkbox-group.compact .checkbox-input{width:14px;height:14px}.checkbox-group.compact .checkbox-label{font-size:12px;white-space:nowrap}.scale-selector{display:flex;align-items:center;gap:8px}.scale-tabs{display:flex;background:var(--panel-hi);padding:2px;border-radius:6px;border:1px solid var(--line)}.scale-tab-btn{background:transparent;border:none;color:var(--muted);padding:4px 10px;font-size:11.5px;font-weight:600;border-radius:4px;cursor:pointer;transition:all .15s ease;outline:none}.scale-tab-btn:hover{color:var(--fg)}.scale-tab-btn.active{background:var(--accent);color:#fff;box-shadow:0 1px 3px #3b82f666}.noise-preset-tabs{display:flex;gap:6px;width:100%}.noise-preset-btn{flex:1;background:var(--panel-hi);border:1px solid var(--line);color:var(--muted);padding:8px 4px;font-size:12px;font-weight:600;border-radius:6px;cursor:pointer;transition:all .15s ease;text-align:center;outline:none;-webkit-user-select:none;user-select:none;white-space:nowrap}.noise-preset-btn:hover{border-color:var(--accent);color:var(--fg);background:#3b82f614}.noise-preset-btn.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 2px 6px #3b82f659}.noise-preset-btn.compact{padding:5px 4px;font-size:11.5px}.toast-popup{position:fixed;bottom:24px;right:24px;background:#1e293b;color:#38bdf8;border:1px solid #38bdf8;padding:10px 18px;border-radius:8px;font-size:13.5px;font-weight:600;box-shadow:0 10px 25px -5px #00000080;z-index:9999;animation:toastFade .2s ease-in-out}@keyframes toastFade{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.texture-picker-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;background:var(--panel-hi);border:1px solid var(--line);color:var(--fg);padding:8px 12px;border-radius:8px;cursor:pointer;text-align:left;transition:all .15s ease;box-sizing:border-box}.texture-picker-trigger:hover{border-color:var(--accent);background:#232936}.trigger-label-group{display:flex;flex-direction:column;gap:2px;overflow:hidden}.trigger-group-tag{font-size:10px;color:var(--accent-hover);font-weight:700}.trigger-item-name{font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.trigger-arrow{font-size:9px;color:var(--muted);margin-left:8px}.texture-picker-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;animation:fadeIn .15s ease}.texture-picker-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2001;width:min(1120px,95vw);max-height:88vh;background:#14171f;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 64px #000c;display:flex;flex-direction:column;overflow:hidden;animation:popIn .18s cubic-bezier(.16,1,.3,1)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{0%{opacity:0;transform:translate(-50%,-47%) scale(.97)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.texture-picker-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);background:#101218}.texture-picker-title{display:flex;align-items:center;gap:10px}.picker-role-badge{font-size:11px;font-weight:700;padding:3px 9px;border-radius:6px;color:#fff}.picker-badge-terrainA{background:#2563eb}.picker-badge-terrainB{background:#059669}.texture-picker-title h3{margin:0;font-size:15px;font-weight:700;color:var(--fg)}.picker-close-btn{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:4px 8px;border-radius:6px;transition:all .15s}.picker-close-btn:hover{background:#ffffff1a;color:var(--fg)}.texture-picker-body{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;padding:18px;overflow-y:auto}@media(max-width:1050px){.texture-picker-body{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}}.texture-group-col{display:flex;flex-direction:column;gap:6px;background:#191d26;border:1px solid rgba(255,255,255,.05);border-radius:10px;padding:12px}.group-col-header{font-size:12px;font-weight:700;color:var(--accent-hover);padding-bottom:8px;border-bottom:1px solid var(--line);margin-bottom:4px;display:flex;align-items:center;gap:6px}.group-col-icon{font-size:13px}.group-col-title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.group-col-count{font-size:10px;color:var(--muted);font-weight:400}.group-col-items{display:flex;flex-direction:column;gap:5px}.texture-item-btn{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;background:#12151c;border:1px solid var(--line);color:var(--fg);padding:7px 9px;border-radius:6px;font-size:11.5px;cursor:pointer;transition:all .15s ease;box-sizing:border-box}.texture-item-btn:hover{border-color:var(--accent);background:#202738}.texture-item-btn.active{border-color:var(--accent);background:#3b82f638;color:#fff;font-weight:600;box-shadow:0 0 0 1px var(--accent)}.item-name-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-check{font-size:11px;color:#60a5fa;font-weight:700;margin-left:4px}.restore-session-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2001;width:min(480px,92vw);max-height:90vh;background:#14171f;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 64px #000000d9;display:flex;flex-direction:column;overflow:hidden;animation:popIn .2s cubic-bezier(.16,1,.3,1)}.restore-modal-header{padding:16px 20px;border-bottom:1px solid var(--line);background:#101218}.restore-modal-header h3{margin:0;font-size:15.5px;font-weight:700;color:var(--fg)}.restore-modal-body{padding:20px;display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;overflow-y:auto}.restore-preview-box{display:flex;flex-direction:column;align-items:center;gap:10px;padding:14px;background:#181c26;border:1px solid rgba(255,255,255,.08);border-radius:12px;width:100%;box-sizing:border-box}.restore-preview-meta{display:flex;align-items:center;justify-content:space-between;width:100%;padding:0 4px}.meta-tag{font-size:11px;color:var(--accent-hover);font-weight:700}.meta-colors{display:flex;align-items:center;gap:6px}.color-dot{width:12px;height:12px;border-radius:50%;border:1px solid rgba(255,255,255,.3);display:inline-block}.restore-desc{margin:0;font-size:13px;color:var(--muted);line-height:1.5}.restore-modal-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 20px;border-top:1px solid var(--line);background:#101218}