@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){:root,:host{--accent:oklch(72% .15 185)}*,:before,:after,::backdrop{--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}.grid{display:grid}.hidden{display:none}.table{display:table}.resize{resize:both}.grayscale{--tw-grayscale:grayscale(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--bg:oklch(10% .03 230);--surface:oklch(15% .04 225);--panel:oklch(13% .035 228);--border:oklch(22% .04 220);--ink:oklch(92% .01 210);--ink-dim:oklch(60% .02 215);--accent:oklch(72% .15 185);--aurora:oklch(65% .18 160);--water:oklch(45% .12 215);--track-lo:oklch(22% .06 220);--track-hi:var(--accent)}@property --accent{syntax:"<color>";inherits:true;initial-value:oklch(72% .15 185)}*,:before,:after{box-sizing:border-box}html,body{background:var(--bg);block-size:100%;color:var(--ink);margin:0;padding:0;font-family:ui-monospace,Cascadia Code,Fira Code,monospace;font-size:13px;overflow:hidden}.layout{grid-template-rows:100dvh;grid-template-columns:260px 1fr;display:grid;overflow:hidden}.panel{background:var(--panel);border-inline-end:1px solid var(--border);overscroll-behavior:contain;flex-direction:column;gap:1rem;padding:1rem;display:flex;overflow-y:auto}.panel h1{color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin:0;font-size:.9rem;font-weight:700}.panel h1 span{color:var(--ink-dim);letter-spacing:.05em;margin-block-start:2px;font-size:.7rem;font-weight:400;display:block}fieldset{border:1px solid var(--border);border-radius:6px;margin:0;padding:.6rem .75rem}legend{letter-spacing:.1em;text-transform:uppercase;color:var(--aurora);padding-inline:4px;font-size:.7rem;font-weight:600}.field{grid-template-columns:1fr auto;align-items:center;gap:.25rem .5rem;margin-block:.45rem;display:grid}.field label{color:var(--ink-dim);font-size:.75rem}.field output{color:var(--accent);text-align:end;font-variant-numeric:tabular-nums;min-inline-size:3.5ch;font-size:.75rem}.field input[type=range]{appearance:none;background:linear-gradient(90deg,var(--track-hi) calc((var(--range-progress,0) * 1%)),var(--track-lo) calc((var(--range-progress,0) * 1%)));border-radius:2px;outline:none;grid-column:1/-1;block-size:4px;inline-size:100%}.field input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;block-size:14px;inline-size:14px;transition:background .2s}.field input[type=range]::-webkit-slider-thumb:hover{background:var(--aurora)}.field input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.seed-field{align-items:center;gap:.5rem;margin-block:.45rem;display:flex}.seed-field label{color:var(--ink-dim);flex-shrink:0;font-size:.75rem}.seed-field input[type=number]{background:var(--bg);color:var(--ink);border:1px solid var(--border);border-radius:4px;outline:none;flex:1;padding:2px 6px;font-family:inherit;font-size:.75rem}.seed-field input[type=number]:focus-visible{border-color:var(--accent)}.btn-row{flex-wrap:wrap;gap:.4rem;display:flex}button{background:var(--surface);color:var(--ink);border:1px solid var(--border);cursor:pointer;letter-spacing:.03em;border-radius:4px;padding:5px 10px;font-family:inherit;font-size:.72rem;transition:background .15s,border-color .15s}button:hover{background:var(--border);border-color:var(--accent)}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button[aria-pressed=true]{background:var(--accent)}@supports (color:color-mix(in lab,red,red)){button[aria-pressed=true]{background:color-mix(in oklab,var(--accent) 20%,var(--surface))}}button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}#export{border-color:var(--aurora);color:var(--aurora)}#export:hover{background:var(--aurora)}@supports (color:color-mix(in lab,red,red)){#export:hover{background:color-mix(in oklab,var(--aurora) 15%,var(--surface))}}.stage{background:#060c1a;position:relative;overflow:hidden}#terrain-canvas{touch-action:none;block-size:100%;inline-size:100%;display:block}.hud{pointer-events:none;align-items:center;gap:.5rem;display:flex;position:absolute;inset-block-start:.75rem;inset-inline-end:.75rem}.hud-chip{background:var(--panel)}@supports (color:color-mix(in lab,red,red)){.hud-chip{background:color-mix(in oklab,var(--panel) 80%,transparent)}}.hud-chip{border:1px solid var(--border);color:var(--ink-dim);font-variant-numeric:tabular-nums;border-radius:4px;padding:2px 8px;font-size:.7rem}#hud-status{color:var(--accent)}#intro{background:var(--bg);place-items:center;display:grid;position:absolute;inset:0}@supports (color:color-mix(in lab,red,red)){#intro{background:color-mix(in oklab,var(--bg) 85%,transparent)}}#intro{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:var(--ink-dim);pointer-events:none;font-size:.85rem}#intro[hidden]{display:none}dialog{background:var(--surface);border:1px solid var(--border);color:var(--ink);border-radius:10px;max-block-size:85dvh;inline-size:min(420px,90vw);padding:1.5rem;font-family:inherit;font-size:.8rem;overflow-y:auto}dialog::backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0009}@starting-style{dialog[open]{opacity:0;transform:translateY(-8px)}}dialog[open]{opacity:1;transition:opacity .2s,transform .2s;transform:translateY(0)}dialog h2{color:var(--accent);letter-spacing:.06em;text-transform:uppercase;margin:0 0 1rem;font-size:.9rem;font-weight:700}dialog table{border-collapse:collapse;inline-size:100%}dialog td{vertical-align:top;padding:3px 8px}dialog td:first-child{color:var(--aurora);white-space:nowrap;font-weight:600}dialog td:last-child{color:var(--ink-dim)}dialog .close-row{justify-content:flex-end;margin-block-start:1rem;display:flex}@media(prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}