:root{font-family:'PingFang SC','Microsoft YaHei',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#e7edeb;background:#14272d;font-size:14px;font-synthesis:none;--panel:#182123ed;--muted:#90a19f;--line:#ffffff12;--accent:#e7b981;--ink:#e7edeb}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,input,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}button:disabled{opacity:.28;cursor:default}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:hover:not(:disabled){color:#fff}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}#viewport{position:fixed;inset:0}#viewport canvas{display:block;width:100%;height:100%;outline:none;touch-action:none}#loading{position:fixed;inset:0;background:#14272d;z-index:100;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;transition:opacity .7s}#loading.loaded{opacity:0;pointer-events:none}#loading span{letter-spacing:.3em}#loading small{color:#82999c}.loading-mark{color:var(--accent);font-size:55px;animation:breathe 1.5s infinite}@keyframes breathe{50%{opacity:.3;transform:translateY(-6px)}}.topbar{height:76px;position:fixed;inset:0 0 auto;display:flex;align-items:center;padding:0 28px;background:linear-gradient(#122327f5,#15262be8);border-bottom:1px solid var(--line);gap:36px;z-index:20}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);width:222px}.brand svg{width:34px;height:34px;color:var(--accent);stroke-width:1.6}.brand strong{font-size:23px;letter-spacing:.2em;font-weight:500}.brand>span{font-size:11px;letter-spacing:.23em;color:#829895;margin-left:2px;margin-top:5px}.world-label{display:flex;align-items:center;gap:13px;font-size:14px;color:#d6e0de}.tiny-star{font-size:17px;color:var(--accent)}.tag{font-size:11px;letter-spacing:.06em;color:#829895;padding:4px 7px;border:1px solid #fff1;border-radius:4px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.icon-button{width:36px;height:36px;display:grid;place-items:center;border-radius:7px}.icon-button:hover{background:#fff1}.divider{height:22px;width:1px;background:#fff2;margin:0 8px}.text-button,.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 15px;border-radius:6px;font-size:13px}.text-button{color:#c8d4d1}.text-button:hover{background:#ffffff0a}.primary-button{background:var(--accent);color:#283028;font-weight:600}.primary-button:hover:not(:disabled){background:#f5cca0;color:#283028}.primary-button svg{width:17px}.editor{position:fixed;top:96px;bottom:72px;left:20px;width:256px;background:linear-gradient(145deg,#1b2729f5,#172123f2);backdrop-filter:blur(24px);border:1px solid #e0ffff13;border-radius:12px;box-shadow:0 12px 50px #08191a30;padding:22px 18px 16px;z-index:15;display:flex;flex-direction:column}.section-heading{display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:500;margin-bottom:20px}.eyebrow{font-size:10px;letter-spacing:.18em;color:#8da29e;font-weight:500}.mode-switch{background:#0f191a7d;padding:4px;display:flex;gap:4px;border-radius:7px;margin-bottom:21px}.mode-switch button{flex:1;padding:9px 2px;font-size:13px;color:#869b98;border-radius:5px}.mode-switch button.active{background:#354543;color:#e9eeeb;box-shadow:0 2px 7px #0002}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.tool-grid button{border:1px solid #ffffff10;border-radius:7px;padding:15px 3px 12px;display:flex;flex-direction:column;align-items:center;gap:10px;font-size:13px;color:#afbfbb;transition:background .2s,border .2s}.tool-grid button svg{height:24px;width:24px;color:#b6c4bd}.tool-grid button:hover{background:#fff08;border-color:#fff3}.tool-grid button.active{border-color:#dcb17b90;background:#dcc09112;color:#f0cc9d}.tool-grid button.active svg{color:var(--accent)}.tool-description{font-size:12px;line-height:1.8;color:#8a9e99;margin:17px 1px 20px;min-height:42px}.brush-section{padding-top:20px;border-top:1px solid var(--line)}.label-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#c2cecb;margin-bottom:12px}.label-row output{font-size:11px;color:var(--accent);font-variant-numeric:tabular-nums}.strength-row{margin-top:22px}input[type=range]{width:100%;height:3px;display:block;accent-color:var(--accent);cursor:pointer;background:#41504c;border-radius:2px;-webkit-appearance:none;appearance:none;margin:0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:#edc897;width:11px;height:11px;border-radius:50%;box-shadow:0 0 0 3px #e9bd8020}input[type=range]::-moz-range-thumb{background:#edc897;width:11px;height:11px;border:0;border-radius:50%}.brush-tip{display:flex;align-items:center;gap:7px;margin:24px 0 0;color:#788d89;font-size:11px}.brush-tip svg{width:14px;height:14px}.sidebar-bottom{margin-top:auto;padding-top:25px}.world-select{padding:15px 0;display:flex;align-items:center;width:100%;text-align:left;gap:10px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.world-select-icon{background:#92b4a713;border:1px solid #ffffff10;border-radius:7px;width:34px;height:36px;display:grid;place-items:center;color:#b9c8bb}.world-select strong{font-weight:400;font-size:12px;display:block}.world-select small{font-size:10px;color:#7c928c;display:block;margin-top:5px}.world-select>span:last-child{margin-left:auto;color:#7c928c}.world-select>span:last-child svg{width:14px}.help-button{display:flex;width:100%;align-items:center;gap:9px;padding:15px 2px 0;font-size:11px;color:#7e928d}.help-button svg{height:15px;width:15px}.help-button kbd{margin-left:auto}.scene-overlay{position:fixed;top:111px;left:310px;pointer-events:none}.scene-heading .eyebrow{color:#d4e4df8c;font-size:10px;letter-spacing:.22em}.scene-heading h1{font-weight:400;font-size:25px;letter-spacing:.09em;margin:13px 0 10px;text-shadow:0 2px 20px #07344050;color:#ecf3ee}.scene-heading p{font-size:11px;color:#c4dcd490;letter-spacing:.04em}.location-label{position:fixed;bottom:102px;left:312px;display:flex;align-items:center;gap:11px;color:#d6e5dc;font-size:13px;text-shadow:0 2px 6px #002b30}.location-label small{font-size:9px;color:#a4c1b4;letter-spacing:.18em}.small-line{height:1px;width:24px;background:#adcabb}.view-toolbar{position:fixed;right:24px;top:50%;transform:translateY(-45%);z-index:15;background:#182728e8;backdrop-filter:blur(20px);border:1px solid #c3ebe41c;border-radius:10px;padding:6px;display:flex;flex-direction:column;gap:4px;box-shadow:0 5px 30px #001b2040}.view-toolbar button{width:37px;height:38px;border-radius:6px;display:grid;place-items:center;color:#a6bcb3}.view-toolbar button:hover{background:#fff1}.view-toolbar button.active{background:#c8b08720;color:var(--accent)}.toolbar-rule{height:1px;background:var(--line);margin:4px 8px}.statusbar{position:fixed;bottom:0;left:0;right:0;height:47px;background:#142225e8;backdrop-filter:blur(20px);display:flex;align-items:center;justify-content:space-between;padding:0 25px;z-index:15;font-size:11px;color:#8ca49b;border-top:1px solid #ffffff0d}.statusbar>div{display:flex;align-items:center;gap:10px}.status-dot{width:5px;height:5px;border-radius:50%;background:#98bca5}.status-secondary{margin-left:12px;color:#617d74}.navigation-hint{gap:22px!important;font-size:10px}.navigation-hint span{display:flex;align-items:center;gap:6px}kbd{font-family:inherit;border:1px solid #9bafa42b;background:#ffffff04;padding:2px 4px;border-radius:3px;font-size:9px;color:#a6b7ad}.statusbar button{display:flex;align-items:center;gap:7px;font-size:11px;color:#9cb2a8}.statusbar button svg{height:14px;width:14px}.active-brush{position:fixed;bottom:75px;left:calc(50% + 100px);transform:translateX(-50%);z-index:18;background:#192526e8;backdrop-filter:blur(20px);border:1px solid #e1eccc20;border-radius:10px;padding:10px 12px 10px 17px;display:flex;align-items:center;gap:10px;box-shadow:0 8px 30px #00182050;white-space:nowrap}.active-brush small{font-size:10px;color:#859d92;margin-left:5px}.active-brush>span{font-size:12px}.brush-color{width:6px;height:6px;background:var(--accent);border-radius:50%}.active-brush button{border-left:1px solid #fff2;margin-left:10px;padding:5px 6px 5px 16px;font-size:11px;color:var(--accent)}.active-brush button span{margin-left:6px}.category-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:-3px 0 13px}.category-tabs button{font-size:11px;padding:5px 8px;color:#8da89a;border-radius:4px}.category-tabs button.active{color:#e3c39c;background:#e0c49114}.biome-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;max-height:248px;overflow:auto;margin-bottom:17px;scrollbar-width:thin;scrollbar-color:#536457 transparent}.biome-grid button{display:flex;align-items:center;gap:9px;border:1px solid #ffffff10;border-radius:5px;padding:10px 8px;color:#b9c9bf;font-size:11px;text-align:left}.biome-grid button.active{background:#d5b98615;border-color:#d5b98688;color:#ecd2a9}.biome-swatch{width:17px;height:17px;border-radius:5px;flex:none;box-shadow:inset 0 0 0 1px #fff1}.panel{position:fixed;z-index:22;background:#172526f5;border:1px solid #ffffff1a;border-radius:12px;padding:20px;backdrop-filter:blur(24px);box-shadow:0 15px 70px #001c3060}.scene-settings{right:84px;top:50%;width:260px;transform:translateY(-30%)}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;font-size:15px}.close{font-size:24px;color:#8ba29a;line-height:1;width:30px;height:30px;border-radius:5px}.close:hover{background:#fff1}.scene-settings input[type=range]{margin-bottom:25px}.check-row{display:flex;align-items:center;gap:10px;font-size:12px;color:#aec2b4}.check-row input{accent-color:var(--accent)}#toast{position:fixed;z-index:80;top:95px;left:50%;transform:translate(-50%,-10px);padding:13px 23px;border-radius:8px;background:#172928ef;color:#e2eadd;border:1px solid #e7d5b433;box-shadow:0 8px 30px #0003;opacity:0;pointer-events:none;transition:.25s;font-size:13px}#toast.show{opacity:1;transform:translate(-50%,0)}dialog{background:#182527;color:#e8eee8;border:1px solid #ffffff22;border-radius:16px;padding:30px;width:740px;max-width:calc(100% - 30px);max-height:85vh;box-shadow:0 30px 100px #0005}dialog::backdrop{background:#061d28a0;backdrop-filter:blur(9px)}.dialog-top{display:flex;align-items:center;justify-content:space-between}dialog h2{font-size:27px;font-weight:400;letter-spacing:.08em;margin:17px 0 8px}dialog>p{font-size:13px;color:#91a99d;margin-bottom:25px}.world-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.world-cards button{text-align:left;background:#ffffff04;border:1px solid #ffffff12;border-radius:8px;padding:10px;transition:border .2s}.world-cards button:hover{border-color:#e7b98199}.preset-swatch{display:block;height:65px;margin-bottom:11px;border-radius:4px}.archipelago{background:linear-gradient(145deg,#adc6bd,#3f6557 29%,#7b9b76 40%,#d1ccb0 47%,#429a9c 49%,#246272 76%,#173e55)}.alpine{background:linear-gradient(145deg,#bacbd2 25%,#f1f0d9 26%,#778880 37%,#637263 44%,#304c48 63%,#51897f)}.desert{background:linear-gradient(155deg,#e0bf79,#d1a45d 30%,#96613e 31%,#ac784c 45%,#ddad65 46%,#dec092)}.continent{background:linear-gradient(150deg,#628079,#d5d9bd 24%,#608669 35%,#526d46 50%,#92a667 64%,#dbcb96 82%,#4b9993 84%)}.blank{background:linear-gradient(160deg,#5d9499,#347b88,#264c64)}.world-cards strong{display:block;font-size:14px;font-weight:500}.world-cards small{display:block;font-size:10px;color:#8ea59a;line-height:1.7;margin:5px 0}.dialog-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:23px;padding-top:15px;border-top:1px solid #fff1}.dialog-bottom small{font-size:10px;color:#738c80}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin:30px 0}.help-grid article>span{color:var(--accent)}.help-grid h3{font-size:14px;font-weight:500;margin:10px 0}.help-grid p{font-size:12px;color:#9ab2a4;line-height:1.9;margin:0}.immersive .topbar,.immersive .editor,.immersive .scene-overlay,.immersive .view-toolbar,.immersive .active-brush{display:none}.immersive .statusbar{background:#15242645}.immersive .statusbar>div{visibility:hidden}[hidden]{display:none!important}
@media(min-width:1500px){.editor{width:272px;left:26px;top:106px;bottom:81px;padding:26px 20px}.scene-overlay{left:335px;top:122px}.location-label{left:335px}.tool-grid button{padding:20px 3px 17px}.scene-heading h1{font-size:29px}.tool-description{font-size:13px;margin-bottom:27px}.label-row{font-size:13px}.biome-grid{max-height:300px}}
@media(max-height:800px){.editor{top:88px;bottom:60px;padding:16px}.section-heading{margin-bottom:13px}.mode-switch{margin-bottom:14px}.tool-grid button{padding:10px 2px 8px;gap:6px}.tool-description{margin:12px 0;min-height:0}.brush-section{padding-top:15px}.strength-row{margin-top:17px}.brush-tip{margin-top:18px}.sidebar-bottom{padding-top:15px}.world-select{padding:11px 0}.biome-grid{max-height:195px}.scene-heading h1{font-size:23px}}
@media(max-width:900px){.topbar{height:65px;padding:0 16px;gap:15px}.brand{width:auto}.brand>span,.tag,.world-label{display:none}.top-actions{gap:3px}.top-actions .text-button span{display:none}.divider{margin:0 3px}.editor{width:205px;left:12px;top:78px;padding:15px 12px;bottom:60px}.scene-overlay{left:237px;top:90px}.scene-heading h1{font-size:20px}.scene-heading p{display:none}.location-label{left:237px;bottom:85px}.location-label small{display:none}.view-toolbar{right:12px}.statusbar{padding:0 15px}.status-secondary,.navigation-hint{display:none!important}.active-brush{left:calc(50% + 75px);bottom:63px}.active-brush small{display:none}.world-select small{font-size:9px}.biome-grid button{font-size:10px;padding:9px 6px;gap:6px}}
@media(max-width:600px){.topbar{height:58px}.brand svg{width:27px}.brand strong{font-size:19px}.top-actions .icon-button{width:28px}.text-button,.primary-button{padding:9px 10px}.primary-button span{font-size:11px}.scene-overlay{left:22px;top:82px}.scene-heading h1{font-size:20px}.scene-heading .eyebrow{font-size:8px}.editor{top:auto;bottom:49px;left:10px;right:10px;width:auto;height:215px;padding:12px 13px;display:grid;grid-template-columns:1.3fr 1fr;gap:0 15px}.section-heading,.tool-description,.sidebar-bottom,.brush-tip{display:none}.mode-switch{grid-column:1;margin-bottom:8px;height:34px}.mode-switch button{padding:5px;font-size:11px}.tool-grid{gap:6px;grid-template-columns:repeat(3,1fr)}.tool-grid button{font-size:10px;padding:8px 1px;gap:5px}.tool-grid button svg{width:19px;height:19px}.brush-section{grid-column:2;grid-row:1/3;align-self:center;padding-top:0;border:0}.label-row{font-size:11px}.strength-row{margin-top:24px}.biome-grid{max-height:124px;gap:5px;margin:0}.category-tabs{gap:1px;margin:0 0 5px}.category-tabs button{font-size:9px;padding:4px}.biome-grid button{padding:6px;font-size:10px}.biome-swatch{height:13px;width:13px}.view-toolbar{top:37%;right:10px;transform:translateY(-40%);padding:4px}.view-toolbar button{height:32px;width:31px}.location-label{display:none}.active-brush{bottom:275px;left:50%;padding:8px 10px;gap:6px}.active-brush button{font-size:10px;margin-left:2px;padding-left:8px}.active-brush>span{font-size:11px}.scene-settings{top:130px;right:52px;transform:none;width:220px}.statusbar{height:40px;font-size:10px}.world-cards{grid-template-columns:1fr 1fr}.world-cards small{font-size:9px}.dialog-bottom{display:block}.help-grid{gap:18px}dialog{padding:22px}dialog h2{font-size:22px}.dialog-bottom small{display:block;margin-top:10px}.immersive .statusbar{display:flex}}

@media(min-width:901px){.mode-switch button,.tool-grid button,.label-row,.biome-grid button,.world-select strong{font-size:14px}.tool-description,.brush-tip,.help-button,.world-select small,.scene-heading p,.text-button,.primary-button,.category-tabs button{font-size:12px}.biome-grid button{gap:7px;padding:9px 6px}.world-select small{font-size:11px}.statusbar{font-size:12px}}

.editor{overflow-y:auto;scrollbar-width:thin;scrollbar-color:#536457 transparent}.editor>section,.editor>.brush-section,.editor>.sidebar-bottom,.editor>.mode-switch,.editor>.section-heading{flex-shrink:0}@media(min-width:601px) and (max-height:860px){.editor{padding:16px}.section-heading{margin-bottom:12px}.mode-switch{margin-bottom:12px}.tool-grid{gap:7px}.tool-grid button{padding:9px 2px 8px;gap:5px}.tool-grid button svg{width:22px;height:22px}.tool-description{margin:10px 0;font-size:12px;line-height:1.6}.brush-section{padding-top:12px}.label-row{margin-bottom:10px}.strength-row{margin-top:17px}.brush-tip{margin-top:15px}.sidebar-bottom{padding-top:14px}.world-select{padding:10px 0}.help-button{padding-top:12px}}

#mobile-worlds{display:none}@media(max-width:600px){#mobile-worlds{display:grid}.top-actions .divider{display:none}}

.hydro-panel{right:84px;top:125px;width:280px;max-height:calc(100vh - 205px);overflow-y:auto}.cycle-strip{font-size:12px;letter-spacing:.04em;color:#7eb9b6;background:#75b7b310;padding:10px 6px;text-align:center;border-radius:5px;margin:-7px 0 22px}.hydro-panel input[type=range]{margin-bottom:24px}.hydro-actions{display:flex;gap:9px;margin-top:8px}.water-action,.hydro-actions select{font:inherit;font-size:12px;border:1px solid #ffffff20;background:#243737;color:#dce8de;padding:8px;border-radius:5px}.source-button{margin-top:16px;width:100%;padding:10px;border:1px solid #ddb88360;color:#e7bb86;border-radius:5px;font-size:13px}.hydro-note{display:block;line-height:1.8;font-size:11px;color:#819e91;margin-top:12px}.hydro-stats{margin:16px 0 0;border-top:1px solid #fff1;padding-top:12px;display:grid;gap:8px}.hydro-stats>div{display:flex;justify-content:space-between;font-size:11px}.hydro-stats dt{color:#87a597}.hydro-stats dd{margin:0;color:#becfc4}.minimap-panel{position:fixed;right:24px;bottom:71px;width:180px;padding:12px;background:#182728e8;backdrop-filter:blur(20px);border:1px solid #c3ebe41c;border-radius:9px;z-index:14}.minimap-panel>div{display:flex;align-items:center;justify-content:space-between;font-size:11px;margin-bottom:10px}.minimap-panel>div small{font-size:8px;color:#87a299}.minimap-panel canvas{width:154px;height:135px;display:block;border-radius:4px;cursor:crosshair}.map-hint{font-size:9px;color:#7e9d91;display:block;margin-top:8px}.immersive .minimap-panel,.immersive .hydro-panel{display:none}.view-toolbar{top:39%}.scene-heading p{color:#c4dcd4bc}.editor{padding-bottom:14px}@media(max-height:860px) and (min-width:601px){.tool-grid button{padding:7px 2px 6px}.tool-grid button svg{width:19px;height:19px}.tool-description{margin:8px 0}.brush-tip{margin-top:12px}.sidebar-bottom{padding-top:10px}.world-select{padding:8px 0}.help-button{padding-top:9px}.strength-row{margin-top:17px}}@media(max-width:900px){.minimap-panel{width:130px;padding:8px;right:12px}.minimap-panel canvas{width:112px;height:103px}.minimap-panel>div small,.map-hint{display:none}.hydro-panel{right:64px;width:255px}}@media(max-width:600px){.minimap-panel{top:75px;right:11px;bottom:auto;width:96px;padding:6px}.minimap-panel canvas{width:82px;height:70px}.minimap-panel>div{font-size:9px;margin-bottom:5px}.scene-heading h1{font-size:18px}.scene-heading .eyebrow{max-width:200px;line-height:1.8}.hydro-panel{top:115px;right:52px;max-height:calc(100vh - 190px)}.view-toolbar{top:39%}.brush-section .strength-row{margin-top:19px}.brush-section .label-row{font-size:10px}}

.random-world{width:100%;display:flex;align-items:center;gap:9px;padding:12px 13px;margin:0 0 9px;border:1px solid #96aa943d;border-radius:7px;background:#eef1e8;color:#344e43;font-family:inherit;font-size:12px;font-weight:500;cursor:pointer}.random-world>span{font-size:22px;line-height:1}.random-world small{margin-left:auto;font-size:8px;letter-spacing:1px;color:#778979}.random-world:hover{background:#dfe8d8}.preset-swatch.random{background:radial-gradient(ellipse at 30% 65%,#4f725a 0 15%,transparent 34%),radial-gradient(ellipse at 67% 30%,#b9b49b 0 10%,#6e8a68 27%,transparent 42%),#71a6aa}

.ice-controls{margin:14px 0;padding:15px 0;border-top:1px solid #ffffff18;border-bottom:1px solid #ffffff18}.ice-presets{display:flex;gap:8px;margin:7px 0 12px}.ice-presets button{flex:1;border:1px solid #b3d3d52b;border-radius:5px;padding:8px;background:#b3d3d510;color:#c4e0e1;font:inherit;font-size:12px;cursor:pointer}.ice-presets button:hover{background:#b3d3d525}.ice-controls .check-row{margin:10px 0}.hydro-panel{overscroll-behavior:contain}
.scene-settings .label-row{gap:12px}.scene-settings select{font:inherit;font-size:11px;letter-spacing:.02em;color:#e1e7de;background:#344543;border:1px solid #63736a;border-radius:5px;padding:6px 9px;max-width:115px}.scene-settings .check-row{margin:17px 0}.scene-settings #day-duration{margin-bottom:10px}

/* Compact functional controls, with no branding or scene copy. */
.topbar{inset:16px 20px auto auto;width:auto;height:auto;padding:7px 10px;background:#182123ed;border:1px solid #ffffff19;border-radius:10px;gap:0;backdrop-filter:blur(20px)}
.editor{top:20px}.section-heading{margin-bottom:12px}.world-select small{display:none}.world-select{padding:12px 0}.sidebar-bottom{padding-top:15px}.status-secondary{display:none}
@media(max-width:900px){.topbar{top:12px;right:12px;padding:6px 8px}.editor{top:12px}}
@media(max-width:600px){.topbar{top:10px;right:10px;left:auto}.editor{top:auto}.top-actions{gap:2px}.view-toolbar{top:36%}}