/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-outline-style:solid}}}@layer theme{:root,:host{--font-sans:var(--font-manrope);--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--text-base:.875rem;--ease-out:cubic-bezier(0, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--font-instrument:var(--font-barlow-condensed);--text-caption:.75rem;--text-step-1:1.05rem;--text-step-2:1.26rem;--text-step-3:1.512rem;--text-step-4:1.8144rem;--text-step-5:2.17728rem;--text-readout:4.35456rem;--radius-control:.25rem;--radius-panel:.5rem;--color-bg:oklch(94.29% .006 223.46);--color-surface:oklch(99% .0017 145.56);--color-fg:oklch(33.31% .0465 177.79);--color-muted:oklch(48.98% .0238 173.09);--color-border:oklch(85.17% .0123 184.03);--color-control-border:oklch(59.37% .0333 166.7);--color-brand:oklch(38.18% .0587 178.38);--color-brand-fg:oklch(97.63% .0041 157.18);--color-brand-muted:oklch(90.49% .0195 167.89);--color-brand-hover:oklch(45.28% .072 174.09);--color-accent:oklch(91.38% .1266 113.5);--color-accent-fg:oklch(33.31% .0465 177.79);--color-accent-border:oklch(57.86% .0815 119.53);--color-air:oklch(87.9% .0323 227.27);--color-air-border:oklch(57.91% .0396 229);--color-warning:oklch(45.34% .1 43.24);--color-warning-bg:oklch(96.3% .0182 70.24);--color-error:oklch(47.41% .1265 29.94);--color-error-bg:oklch(95.19% .0179 30.27);--color-focus:oklch(52.07% .0677 176.57);--color-surface-hover:oklch(92.81% .0126 164.78);--color-disabled:oklch(89.82% .0076 164.92)}}@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,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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]){text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration: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:where(:not(iframe)){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{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.static{position:static}.mt-3{margin-top:calc(var(--spacing) * 3)}.mt-4{margin-top:calc(var(--spacing) * 4)}.mb-5{margin-bottom:calc(var(--spacing) * 5)}.contents{display:contents}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.gap-4{gap:calc(var(--spacing) * 4)}.border{border-style:var(--tw-border-style);border-width:1px}.accent-border{accent-color:var(--color-border)}.accent-fg{accent-color:var(--color-fg)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}}:root{--line:1px;--line-strong:2px;--layout-max:76rem;--layout-mobile:40rem;--control-height:3rem;--target:2.75rem;--duration-fast:.12s;--ease-out:cubic-bezier(.2, .8, .2, 1);color:var(--color-fg);background:var(--color-bg);font-family:var(--font-sans);font-synthesis:none;font-size:100%}html{scrollbar-gutter:stable}html:has(.settings-dialog[open]){overflow:hidden}*{box-sizing:border-box}body{font-size:var(--text-base);margin:0;line-height:1.6}button,input{font:inherit}button,summary,.tank-option{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{touch-action:manipulation}[hidden]{display:none!important}:focus-visible{box-shadow:0 0 0 var(--line-strong) var(--color-bg), 0 0 0 calc(var(--spacing) + var(--line-strong)) var(--color-focus);outline:none}::selection{background:var(--color-accent);color:var(--color-accent-fg)}.site-header{align-items:center;gap:calc(var(--spacing) * 6);min-height:calc(var(--spacing) * 18);max-width:var(--layout-max);padding:calc(var(--spacing) * 3) calc(var(--spacing) * 6);border-bottom:var(--line) solid var(--color-border);margin:auto;display:flex}.wordmark{min-height:var(--target);font-size:var(--text-step-3);letter-spacing:-.04em;flex-shrink:0;align-items:center;font-weight:700;text-decoration:none;display:flex}.brand-mark{width:calc(var(--spacing) * 16);height:calc(var(--spacing) * 16);margin-right:calc(var(--spacing) * 2);flex-shrink:0;display:block}.brand-psi{font-weight:500}h1{font-size:var(--text-step-1);font-weight:500}.method-link{justify-content:center;align-items:center;gap:calc(var(--spacing) * 2);min-height:var(--target);min-width:var(--target);border-radius:var(--radius-control);margin-left:auto;text-decoration:none;display:flex}.method-link:hover,.wordmark:hover{color:var(--color-brand-hover)}.method-link:active{background:var(--color-surface-hover)}.workspace{max-width:var(--layout-max);padding:calc(var(--spacing) * 8) calc(var(--spacing) * 6);margin:auto}.calculator-grid{align-items:start;gap:calc(var(--spacing) * 8);grid-template-columns:minmax(0,4fr) minmax(0,5fr);display:grid}.form-panel,.results-column{min-width:0}.form-section{padding:calc(var(--spacing) * 5) 0;border-bottom:var(--line) solid var(--color-border)}.form-section:first-child{padding-top:0}.section-heading{margin-bottom:calc(var(--spacing) * 3);justify-content:space-between;align-items:center;display:flex}.settings-button{min-width:var(--target);min-height:var(--target);border-radius:var(--radius-control);flex-shrink:0;place-items:center;display:grid}.settings-dialog{width:min(36rem, calc(100% - var(--spacing) * 8));max-width:none;max-height:calc(100dvh - var(--spacing) * 8);border:var(--line) solid var(--color-border);border-radius:var(--radius-panel);background:var(--color-surface);color:var(--color-fg);margin:auto;padding:0;overflow:hidden}.settings-dialog[open]{flex-direction:column;display:flex}.settings-dialog::backdrop{background:#173e3666}@supports (color:color-mix(in lab, red, red)){.settings-dialog::backdrop{background:color-mix(in oklch, var(--color-fg) 40%, transparent)}}.dialog-header{justify-content:space-between;align-items:start;gap:calc(var(--spacing) * 4);padding:calc(var(--spacing) * 5) calc(var(--spacing) * 6);border-bottom:var(--line) solid var(--color-border);display:flex}.dialog-header,.dialog-footer{flex-shrink:0}.dialog-header h2{font-size:var(--text-step-2);font-weight:700}.dialog-header h2:focus{box-shadow:none}.dialog-header .field-hint{margin-top:var(--spacing)}.dialog-body{overscroll-behavior:contain;padding:0 calc(var(--spacing) * 6);overflow-y:auto}.dialog-body>.settings:last-child{border-bottom:0}.dialog-footer{padding:calc(var(--spacing) * 3) calc(var(--spacing) * 6);border-top:var(--line) solid var(--color-border);justify-content:flex-end;display:flex}.dialog-footer button{min-height:var(--target);padding:calc(var(--spacing) * 2) calc(var(--spacing) * 6);border-radius:var(--radius-control);background:var(--color-brand);color:var(--color-brand-fg);font-weight:700}.dialog-footer button:hover{background:var(--color-brand-hover)}.dialog-footer button:active,.settings-button:active{transform:scale(.97)}.settings-error-link{min-height:var(--target);text-underline-offset:var(--spacing);text-decoration:underline;display:block}.settings-button:hover,.saved-cylinder-list button:hover{background:var(--color-surface-hover)}.settings-button:active,.saved-cylinder-list button:active{background:var(--color-border)}.tank-options.custom-tank-options{margin-top:calc(var(--spacing) * 2);grid-template-columns:repeat(2,minmax(0,1fr))}.custom-tank-options strong{overflow-wrap:anywhere}.text-control{width:100%;min-width:0;min-height:var(--control-height);padding:calc(var(--spacing) * 2) calc(var(--spacing) * 3);border:var(--line) solid var(--color-control-border);border-radius:var(--radius-control);background:var(--color-surface);color:var(--color-fg);font:inherit}.saved-cylinder-list{padding:0;list-style:none}.saved-cylinder-list li{align-items:center;gap:calc(var(--spacing) * 2);margin-top:calc(var(--spacing) * 2);display:flex}.saved-cylinder-list li>span{overflow-wrap:anywhere;flex:1;min-width:0}.saved-cylinder-list button{min-height:var(--target);padding:calc(var(--spacing) * 2);border-radius:var(--radius-control)}.checkpoint-message{margin:calc(var(--spacing) * 3) calc(var(--spacing) * 6)}.section-heading h2{font-size:var(--text-step-1);font-weight:700}.tank-options{gap:calc(var(--spacing) * 2);border:0;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;padding:0;display:grid}.tank-option{cursor:pointer;min-width:0;position:relative}.tank-option input{opacity:0;width:var(--line);height:var(--line);position:absolute}.tank-option-content{border:var(--line) solid var(--color-control-border);border-radius:var(--radius-control);height:100%;padding:calc(var(--spacing) * 3);background:var(--color-surface);flex-direction:column;display:flex}.tank-option input:checked+.tank-option-content{background:var(--color-brand);border-color:var(--color-brand);color:var(--color-brand-fg)}.tank-option:hover .tank-option-content{background:var(--color-surface-hover)}.tank-option:active .tank-option-content{border-color:var(--color-brand)}.tank-option:hover input:checked+.tank-option-content,.tank-option:active input:checked+.tank-option-content{background:var(--color-brand-hover)}.tank-option input:focus-visible+.tank-option-content{box-shadow:0 0 0 var(--line-strong) var(--color-bg), 0 0 0 calc(var(--spacing) + var(--line-strong)) var(--color-focus)}.tank-option-top{justify-content:space-between;align-items:center;gap:var(--spacing);display:flex}.tank-option-content strong{font-size:var(--text-base);font-weight:700}.radio-indicator{width:calc(var(--spacing) * 4);height:calc(var(--spacing) * 4);border:var(--line) solid var(--color-control-border);border-radius:50%;flex-shrink:0}.tank-option input:checked+.tank-option-content .radio-indicator{border-color:var(--color-accent);background:var(--color-accent);box-shadow:inset 0 0 0 var(--spacing) var(--color-brand)}.tank-pressure{font:600 var(--text-step-4)/1.1 var(--font-instrument);font-variant-numeric:tabular-nums;margin-top:calc(var(--spacing) * 3);white-space:nowrap}.tank-pressure small{font:500 var(--text-caption)/1 var(--font-sans)}.number-field{min-width:0}.number-field label{font-size:var(--text-base);margin-bottom:calc(var(--spacing) * 2);font-weight:500;display:block}.input-wrap{position:relative}.input-wrap input{width:100%;min-width:0;height:var(--control-height);border:var(--line) solid var(--color-control-border);border-radius:var(--radius-control);background:var(--color-surface);padding:calc(var(--spacing) * 2) calc(var(--spacing) * 11) calc(var(--spacing) * 2) calc(var(--spacing) * 3);font:600 var(--text-step-4)/1.1 var(--font-instrument);color:var(--color-fg);font-variant-numeric:tabular-nums;appearance:textfield}.input-wrap input::-webkit-inner-spin-button{appearance:none;margin:0}.input-wrap input::-webkit-outer-spin-button{appearance:none;margin:0}.input-wrap input:hover{border-color:var(--color-brand)}.input-wrap input:focus{box-shadow:0 0 0 var(--line-strong) var(--color-bg), 0 0 0 calc(var(--spacing) + var(--line-strong)) var(--color-focus);outline:none}.input-wrap input[aria-invalid=true]{border:var(--line-strong) solid var(--color-error);background:var(--color-error-bg)}.input-wrap>span{right:calc(var(--spacing) * 3);font-size:var(--text-caption);color:var(--color-muted);pointer-events:none;position:absolute;top:50%;transform:translateY(-50%)}.field-hint,.field-error{margin-top:calc(var(--spacing) * 2);font-size:var(--text-caption);line-height:1.6}.field-hint{color:var(--color-muted)}.field-error{color:var(--color-error)}.quick-mixes{align-items:center;gap:calc(var(--spacing) * 2);margin-top:calc(var(--spacing) * 3);flex-wrap:wrap;display:flex}.quick-mixes button{min-height:var(--target);min-width:var(--target);border:var(--line) solid var(--color-control-border);border-radius:var(--radius-control);padding:calc(var(--spacing) * 2) calc(var(--spacing) * 3);font-size:var(--text-base);background:0 0;font-weight:500}.quick-mixes button:hover{background:var(--color-surface-hover)}.quick-mixes button:active{background:var(--color-border)}.quick-mixes button[aria-pressed=true]{background:var(--color-accent);color:var(--color-accent-fg);border:var(--line-strong) solid var(--color-accent-border);padding:calc(var(--spacing) * 2 - var(--line)) calc(var(--spacing) * 3 - var(--line))}.settings{border-bottom:var(--line) solid var(--color-border)}.settings summary,.method-details summary{padding:calc(var(--spacing) * 4) 0;justify-content:space-between;align-items:center;gap:calc(var(--spacing) * 3);border-radius:var(--radius-control);list-style:none;display:flex}.settings summary::-webkit-details-marker{display:none}.method-details summary::-webkit-details-marker{display:none}.settings summary strong{font-size:var(--text-base);font-weight:700}.settings summary:hover,.method-details summary:hover{color:var(--color-brand-hover)}.settings summary:active,.method-details summary:active{background:var(--color-surface-hover)}.settings-chevron{font-size:var(--text-step-3);font-weight:500}.settings[open]>summary .settings-chevron,.method-details[open]>summary>span:last-child{transform:rotate(45deg)}.settings-body{padding:var(--spacing) 0 calc(var(--spacing) * 5)}.temperature-mode,.temperature-controls{border:0;min-width:0;margin:0;padding:0}.temperature-mode{gap:calc(var(--spacing) * 4);margin-bottom:calc(var(--spacing) * 4);flex-wrap:wrap;display:flex}.temperature-mode label{align-items:center;gap:calc(var(--spacing) * 2);min-height:var(--target);cursor:pointer;border-radius:var(--radius-control);display:flex}.temperature-mode label:hover{color:var(--color-brand-hover)}.temperature-mode input{accent-color:var(--color-brand);width:calc(var(--spacing) * 4);height:calc(var(--spacing) * 4)}.model-settings{margin-top:calc(var(--spacing) * 3)}.model-settings>summary{list-style:revert;padding:calc(var(--spacing) * 3) 0;font-weight:500;display:list-item}.model-settings>summary::-webkit-details-marker{display:revert}.field-hint a,.method-content a{text-underline-offset:var(--spacing);text-decoration:underline}.field-hint a:hover,.method-content a:hover{color:var(--color-brand-hover)}.form-footer{padding-top:calc(var(--spacing) * 2);justify-content:flex-end;display:flex}.form-footer button{align-items:center;gap:calc(var(--spacing) * 2);min-height:var(--target);padding:calc(var(--spacing) * 2);border-radius:var(--radius-control);background:0 0;border:none;display:flex}.form-footer button:hover{text-decoration:underline}.form-footer button:active{background:var(--color-surface-hover)}button:disabled,input:disabled,.tank-option input:disabled+.tank-option-content{background:var(--color-disabled);color:var(--color-muted);cursor:not-allowed}.result-panel{scroll-margin-top:calc(var(--spacing) * 5);background:var(--color-surface);border:var(--line) solid var(--color-border);border-radius:var(--radius-panel)}.result-topline{padding:calc(var(--spacing) * 4) calc(var(--spacing) * 6) 0;justify-content:space-between;align-items:center;gap:calc(var(--spacing) * 2);color:var(--color-brand-fg);background:var(--color-brand);border-radius:var(--radius-panel) var(--radius-panel) 0 0;display:flex}.result-topline h2{font-size:var(--text-base);font-weight:700}.estimate-badge{font-size:var(--text-caption);color:var(--color-brand-muted)}.blend-overview{padding:calc(var(--spacing) * 4) calc(var(--spacing) * 6);background:var(--color-brand);color:var(--color-brand-fg)}.blend-target{align-items:center;gap:0 calc(var(--spacing) * 6);grid-template-columns:1fr 1fr;display:grid}.blend-target>p:first-child{color:var(--color-brand-muted);font-size:var(--text-caption);grid-column:1/-1}.oxygen-display{align-items:center;gap:var(--spacing);font:600 var(--text-readout)/1.1 var(--font-instrument);font-variant-numeric:tabular-nums;display:flex}.oxygen-display.compact{font-size:calc(var(--text-step-5) * 1.5)}.oxygen-unit{font:600 var(--text-step-4)/1.1 var(--font-instrument);padding-top:calc(var(--spacing) * 2)}.oxygen-unit small{font:500 var(--text-caption)/1.4 var(--font-sans);color:var(--color-brand-muted);margin-top:var(--spacing);display:block}.pressure-display{padding-left:calc(var(--spacing) * 6);gap:var(--spacing);border-left:var(--line) solid var(--color-brand-muted);flex-direction:column;display:flex}.pressure-display strong{font:600 var(--text-step-5)/1.1 var(--font-instrument);font-variant-numeric:tabular-nums}.pressure-display>span{font-size:var(--text-caption);color:var(--color-brand-muted)}.bleed-badge{align-items:center;gap:var(--spacing);color:var(--color-accent);font-size:var(--text-base);margin-top:calc(var(--spacing) * 2);grid-column:1/-1;display:flex}.bleed-badge svg{display:none}.recipe-heading{justify-content:space-between;align-items:baseline;gap:calc(var(--spacing) * 2);margin:calc(var(--spacing) * 5) calc(var(--spacing) * 6) 0;display:flex}.recipe-heading h3{font-size:var(--text-base);font-weight:700}.recipe-heading>span{font-size:var(--text-caption);color:var(--color-muted)}.recipe-note{font-size:var(--text-caption);color:var(--color-muted);margin:calc(var(--spacing) * 2) calc(var(--spacing) * 6) calc(var(--spacing) * 3);line-height:1.6}.recipe{margin:0 calc(var(--spacing) * 6);padding:0;list-style:none}.recipe-step{align-items:center;gap:calc(var(--spacing) * 3);padding:calc(var(--spacing) * 4) 0;border-top:var(--line) solid var(--color-border);display:flex}.step-marker{height:calc(var(--spacing) * 7);width:calc(var(--spacing) * 7);border:var(--line) solid var(--color-control-border);border-radius:var(--radius-control);background:var(--color-bg);font-size:var(--text-caption);flex-shrink:0;place-items:center;font-weight:700;display:grid}.step-source .step-marker{background:var(--color-accent);border-color:var(--color-accent-border)}.step-air .step-marker{background:var(--color-air);border-color:var(--color-air-border)}.step-bleed .step-marker{background:var(--color-warning-bg);border-color:var(--color-warning);color:var(--color-warning)}.recipe-step>div{gap:var(--spacing) calc(var(--spacing) * 3);flex:1;grid-template-columns:minmax(0,1fr) auto;align-items:center;min-width:0;display:grid}.recipe-step h4{font-size:var(--text-base);font-weight:700}.step-pressure{white-space:nowrap;text-align:right;font:600 var(--text-step-5)/1.1 var(--font-instrument);font-variant-numeric:tabular-nums;grid-area:1/2/3}.step-pressure>span{margin-left:var(--spacing);font:500 var(--text-caption)/1 var(--font-sans);color:var(--color-muted)}.recipe-step p{font-size:var(--text-caption);color:var(--color-muted);grid-column:1;line-height:1.6}.thermal-panel{margin:0 calc(var(--spacing) * 6);padding:calc(var(--spacing) * 5) 0 calc(var(--spacing) * 6);border-top:var(--line) solid var(--color-border)}.thermal-heading{align-items:center;gap:calc(var(--spacing) * 2);display:flex}.thermal-heading h3{font-size:var(--text-base);font-weight:700}.thermal-heading button{min-height:var(--target);padding:0 calc(var(--spacing) * 2);border-radius:var(--radius-control);color:var(--color-muted);font-size:var(--text-caption);border:0;margin-left:auto}.thermal-heading button:hover{background:var(--color-surface-hover);color:var(--color-fg)}.thermal-heading button:active{background:var(--color-border)}.thermal-comparison{align-items:center;gap:calc(var(--spacing) * 6);margin-top:calc(var(--spacing) * 4);grid-template-columns:1fr auto 1fr;display:grid}.thermal-comparison>div{gap:var(--spacing);flex-direction:column;display:flex}.thermal-comparison>div>span{font-size:var(--text-caption);color:var(--color-muted)}.thermal-comparison strong{font:600 var(--text-step-4)/1.1 var(--font-instrument);font-variant-numeric:tabular-nums}.thermal-comparison small{font:500 var(--text-caption)/1 var(--font-sans)}.thermal-comparison>svg{color:var(--color-control-border)}.thermal-warning{border-radius:var(--radius-control);background:var(--color-warning-bg);padding:calc(var(--spacing) * 3);margin-top:calc(var(--spacing) * 4);font-size:var(--text-base);color:var(--color-warning);line-height:1.6}.result-footnote{margin-top:calc(var(--spacing) * 3);color:var(--color-muted);font-size:var(--text-caption);line-height:1.6}.result-error{padding:calc(var(--spacing) * 6)}.result-error>svg{color:var(--color-error);margin-bottom:calc(var(--spacing) * 3)}.result-error h3{font-size:var(--text-step-2);font-weight:700}.result-error p{color:var(--color-muted);margin-top:calc(var(--spacing) * 3);line-height:1.6}.result-panel:has(.result-error:not([hidden])) .result-topline{padding-bottom:calc(var(--spacing) * 4)}.notice{padding:calc(var(--spacing) * 5);color:var(--color-warning);background:var(--color-warning-bg);margin-bottom:calc(var(--spacing) * 5)}.method-details{margin-top:calc(var(--spacing) * 6);border-top:var(--line) solid var(--color-border);scroll-margin-top:calc(var(--spacing) * 6)}.method-details summary{font-weight:700}.method-details summary>span:first-child{align-items:center;gap:calc(var(--spacing) * 2);display:flex}.method-details summary>span:last-child{font-size:var(--text-step-3);font-weight:500}.method-content{gap:calc(var(--spacing) * 6);padding-bottom:calc(var(--spacing) * 6);grid-template-columns:1fr 1fr;display:grid}.method-content h3{font-size:var(--text-step-1);font-weight:700}.method-content p{color:var(--color-muted);margin-top:calc(var(--spacing) * 2);max-width:75ch;line-height:1.6}.method-limit{margin-top:calc(var(--spacing) * 6)}.method-limit strong{font-size:var(--text-base)}@media (prefers-reduced-motion:no-preference){.settings-chevron,.method-details summary>span:last-child{transition:transform var(--duration-fast) var(--ease-out)}}@media (width<=64rem){.tank-option-content{padding:calc(var(--spacing) * 3) calc(var(--spacing) * 2)}.tank-option-content strong{font-size:var(--text-caption)}.tank-pressure{font-size:var(--text-step-3)}.recipe-step>div{gap:var(--spacing) calc(var(--spacing) * 2)}.step-pressure{font-size:var(--text-step-4)}}@media (width<=50rem){.workspace{max-width:var(--layout-mobile);padding-top:calc(var(--spacing) * 5)}.site-header{max-width:var(--layout-mobile);gap:calc(var(--spacing) * 3)}.site-header h1{font-size:var(--text-base)}.brand-mark{width:calc(var(--spacing) * 12);height:calc(var(--spacing) * 12)}.method-link>span{display:none}.calculator-grid{gap:calc(var(--spacing) * 3);grid-template-columns:1fr}.tank-option-content{padding:calc(var(--spacing) * 3)}.tank-option-content strong{font-size:var(--text-base)}.tank-pressure{font-size:var(--text-step-4)}.form-footer{padding-top:0}.blend-target{gap:0 calc(var(--spacing) * 3)}.pressure-display{padding-left:calc(var(--spacing) * 3)}.recipe-step{gap:calc(var(--spacing) * 2)}.step-pressure{font-size:var(--text-step-4)}.thermal-comparison{gap:calc(var(--spacing) * 4)}.method-content{grid-template-columns:1fr}}@media (width<=24rem){.workspace,.site-header{padding-left:calc(var(--spacing) * 4);padding-right:calc(var(--spacing) * 4)}.site-header{grid-template-columns:minmax(0, 1fr) var(--target) var(--target);column-gap:calc(var(--spacing) * 2);row-gap:0;display:grid}.site-header .wordmark{grid-area:1/1}.site-header h1{font-size:var(--text-caption);grid-area:2/1}.site-header .method-link{grid-area:1/2/3}.site-header>.settings-button{grid-area:1/3/3}.settings-dialog{width:calc(100% - var(--spacing) * 4);max-height:calc(100dvh - var(--spacing) * 4)}.dialog-header,.dialog-body,.dialog-footer{padding-left:calc(var(--spacing) * 4);padding-right:calc(var(--spacing) * 4)}.tank-option-content{padding:calc(var(--spacing) * 2)}.tank-option-content strong{font-size:var(--text-caption)}.tank-pressure{font-size:var(--text-step-3)}.number-field label{font-size:var(--text-caption)}.result-topline,.blend-overview{padding-left:calc(var(--spacing) * 4);padding-right:calc(var(--spacing) * 4)}.recipe-heading,.recipe-note,.recipe,.thermal-panel{margin-left:calc(var(--spacing) * 4);margin-right:calc(var(--spacing) * 4)}.recipe-heading{gap:var(--spacing);flex-direction:column}.recipe-step>div{grid-template-columns:1fr}.step-pressure{text-align:left;grid-area:auto/1}.recipe-step{align-items:start}.recipe-step h4{padding-top:var(--spacing)}.oxygen-display{font-size:calc(var(--text-step-5) * 1.5)}.oxygen-display.compact{font-size:var(--text-step-5)}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}