:root{--color-bg: #F7F6F3;--color-surface: #EEEDE9;--color-text-main: #1A1A1A;--color-text-muted: #5C5754;--color-text-dim: #9A9490;--color-primary: #1A1A1A;--color-primary-dim: #3A3835;--color-border: #D4C9B8;--color-border-subtle: #E4DDD2;--color-input-bg: #EEEDE9;--color-success: #3d5c3a;--color-warning: #8a6a1e;--color-error: #7a3030;--font-display: "Work Sans", sans-serif;--font-body: "Work Sans", sans-serif;--font-mono: "JetBrains Mono", monospace;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 32px;--spacing-xl: 64px;--spacing-2xl: 96px}body{background-color:var(--color-bg);color:var(--color-text-main);font-family:var(--font-body);margin:0;line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p{margin:0}.app-container{max-width:680px;margin:0 auto;padding:var(--spacing-lg) var(--spacing-md) var(--spacing-xl);min-height:100vh;display:flex;flex-direction:column}.header{margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:2px solid var(--color-primary)}.header h1{font-family:var(--font-display);font-size:1.6rem;font-weight:700;letter-spacing:-.02em;color:var(--color-primary);line-height:1.1;margin-bottom:4px}.header-byline{display:block;font-size:.75rem;color:var(--color-text-dim);font-family:var(--font-mono)}.header-byline a{color:var(--color-text-main);text-decoration:underline;text-underline-offset:3px}.card-main{background:var(--color-bg);border:1px solid var(--color-border);flex:1}.header-controls{display:flex;align-items:center;flex-wrap:wrap;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-md);border-bottom:1px solid var(--color-border)}.hc-group{display:flex;align-items:baseline;gap:6px}.hc-label{font-size:.8rem;color:var(--color-text-muted);white-space:nowrap}.recipe-select{border:none;background:transparent;font-family:var(--font-body);font-size:.9rem;font-weight:600;color:var(--color-text-main);cursor:pointer;padding:0;appearance:auto}.recipe-select:focus{outline:none;text-decoration:underline}.hc-input-unit{display:inline-flex;align-items:baseline;gap:4px;border-bottom:1px solid var(--color-border);padding:2px 4px}.hc-input-unit:focus-within{border-bottom-color:var(--color-primary)}.hc-input-unit input{width:4ch;min-width:32px;border:none;background:transparent;font-family:var(--font-body);font-size:.9rem;font-weight:600;text-align:center;padding:0;color:var(--color-text-main);-moz-appearance:textfield;appearance:textfield}.hc-input-unit input::-webkit-inner-spin-button,.hc-input-unit input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.hc-input-unit input:focus{outline:none}.hc-unit{font-size:.8rem;color:var(--color-text-muted)}.hc-unit-select{border:none;background:transparent;font-family:var(--font-body);font-size:.8rem;color:var(--color-text-muted);cursor:pointer;padding:0}.hc-unit-select:focus{outline:none}.recipe-description{padding:var(--spacing-sm) var(--spacing-md);font-size:.8rem;color:var(--color-text-muted);font-style:italic;border-bottom:1px solid var(--color-border-subtle)}.ic-mix-instruction{padding:var(--spacing-sm) var(--spacing-md) 2px;font-size:.8rem;color:var(--color-text-muted);font-family:var(--font-mono)}.ic-divider{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);background:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.ic-divider span{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-muted)}.ic-divider-plain{border-top:1px solid var(--color-border);margin:0}.ic-ingredient-list{padding:var(--spacing-xs) 0}.ic-ingredient-row{display:flex;justify-content:space-between;align-items:baseline;padding:8px var(--spacing-md);border-bottom:1px solid var(--color-border-subtle)}.ic-ingredient-row:last-child{border-bottom:none}.ic-ingredient-row.ic-empty{color:var(--color-text-dim);font-size:.85rem;justify-content:flex-start}.ic-ingredient-name{font-size:.95rem;color:var(--color-text-main)}.ic-ingredient-mass{font-family:var(--font-mono);font-size:.95rem;color:var(--color-text-main);white-space:nowrap}.ic-mass-val{font-weight:600}.ic-mass-unit{color:var(--color-text-muted);font-size:.85rem}.ic-yield-line{padding:var(--spacing-sm) var(--spacing-md);font-size:.8rem;color:var(--color-text-dim);font-family:var(--font-mono);border-bottom:1px solid var(--color-border)}.ic-dose-row{display:flex;align-items:baseline;gap:8px;padding:var(--spacing-md) var(--spacing-md) var(--spacing-sm);flex-wrap:wrap}.ic-dose-prefix,.ic-dose-suffix{font-size:.95rem;color:var(--color-text-muted)}.ic-result-line{display:flex;align-items:center;flex-wrap:wrap;gap:4px;padding:2px var(--spacing-md) var(--spacing-md);font-family:var(--font-mono);font-size:.85rem}.ic-arrow{color:var(--color-text-dim)}.ic-result-vals{color:var(--color-text-main)}.ic-target-status{font-size:.8rem;color:var(--color-text-muted)}.ic-result-line.success .ic-target-status{color:var(--color-success)}.ic-result-line.warning .ic-target-status{color:var(--color-warning)}.advanced-toggle-row{padding:var(--spacing-sm) var(--spacing-md)}.advanced-toggle-btn{background:transparent;border:1px solid var(--color-border);padding:6px 14px;font-family:var(--font-body);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;cursor:pointer;color:var(--color-text-muted);transition:border-color .15s,color .15s}.advanced-toggle-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.advanced-panel{border-top:1px solid var(--color-border);padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-lg)}.advanced-section{display:flex;flex-direction:column;gap:var(--spacing-sm)}.advanced-section-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-dim);border-bottom:1px solid var(--color-border-subtle);padding-bottom:6px}.tech-details{display:flex;flex-direction:column;gap:2px}.tech-row{display:flex;justify-content:space-between;padding:6px 0;font-size:.875rem;border-bottom:1px solid var(--color-border-subtle)}.tech-row:last-child{border-bottom:none}.tech-row span{color:var(--color-text-muted)}.tech-row strong{font-family:var(--font-mono);font-weight:500;color:var(--color-text-main)}.water-section{margin-top:0}.water-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-sm)}.water-section-info{display:flex;flex-direction:column;gap:2px}.water-section-info label{font-weight:600;font-size:.875rem}.water-section-summary{font-family:var(--font-mono);font-size:.75rem;color:var(--color-text-muted)}.water-section-content{padding-left:var(--spacing-md);border-left:2px solid var(--color-border-subtle);margin-top:var(--spacing-sm)}.compound-input{margin-top:0}.card-header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-sm)}.card-header-row.no-border{border-bottom:none;margin-bottom:8px}.ingredients-label{font-size:.875rem;text-transform:uppercase;letter-spacing:1px;opacity:.8;margin:0}.compound-list{border:1px solid var(--color-border);margin-top:var(--spacing-sm)}.compound-row,.compound-row-static{display:flex;justify-content:space-between;align-items:center;padding:10px var(--spacing-md);border-bottom:1px solid var(--color-border);background:var(--color-bg)}.compound-row:last-child,.compound-row-static:last-child{border-bottom:none}.compound-info{display:flex;flex-direction:column}.compound-name{font-weight:600;font-size:.9rem}.compound-formula{font-family:var(--font-mono);font-size:.7rem;color:var(--color-text-muted)}.compound-actions{display:flex;align-items:center;gap:8px}.compound-actions input{width:50px;text-align:center;font-family:var(--font-mono);font-size:.9rem;border:none;border-bottom:1px solid var(--color-border);background:transparent;padding:2px 0}.compound-actions input:focus{outline:none;border-bottom-color:var(--color-primary)}.mass-badge{font-family:var(--font-mono);font-size:.9rem}.mass-unit{color:var(--color-text-muted);font-size:.8rem}.empty-state{padding:var(--spacing-md);color:var(--color-text-dim);font-size:.85rem}.add-compound-section{padding:var(--spacing-sm) var(--spacing-md);border-top:1px solid var(--color-border-subtle)}.select-input{width:100%;background:transparent;border:1px solid var(--color-border);padding:6px 8px;font-family:var(--font-body);font-size:.85rem;color:var(--color-text-main);cursor:pointer}.select-input:focus{outline:none;border-color:var(--color-primary)}.input-group{margin-bottom:var(--spacing-md)}.input-group label{display:block;font-family:var(--font-body);font-size:.75rem;font-weight:600;color:var(--color-text-main);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.input-with-unit{display:inline-flex;align-items:baseline;gap:6px;border-bottom:1px solid var(--color-border);padding:8px 10px;background:transparent;transition:border-color .2s;width:fit-content}.input-with-unit:focus-within{border-bottom-color:var(--color-primary)}.input-with-unit input{width:3ch;min-width:40px;border:none;background:transparent;font-family:var(--font-body);font-size:1rem;text-align:center;padding:0;color:var(--color-text-main);-moz-appearance:textfield;appearance:textfield}.input-with-unit input::-webkit-inner-spin-button,.input-with-unit input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.input-with-unit input:focus{outline:none}.input-with-unit .unit-label{font-size:1rem;color:var(--color-text-muted)}.input-with-unit .unit-select{border:none;background:transparent;font-family:var(--font-body);font-size:1rem;color:var(--color-text-muted);cursor:pointer;padding:0}.input-with-unit .unit-select:focus{outline:none}input[type=number]{-moz-appearance:textfield;appearance:textfield}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.input-hint{color:var(--color-text-dim);font-size:.75rem;margin-top:4px;display:block}.validation-warning{color:var(--color-warning);font-size:.8rem;margin-top:4px;display:block}.parameter-header{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.unit-toggle{display:flex;gap:2px}.unit-toggle-btn{background:transparent;border:1px solid var(--color-border);padding:2px 8px;font-size:.7rem;font-weight:600;cursor:pointer;color:var(--color-text-dim);text-transform:uppercase;transition:all .15s}.unit-toggle-btn.active,.unit-toggle-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.row{display:flex;gap:var(--spacing-md)}.input-wrapper{display:flex;flex-direction:column;gap:4px}.sub-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.help-text{font-size:.8rem;color:var(--color-text-muted);margin-bottom:var(--spacing-sm)}.btn-text{background:transparent;border:1px solid var(--color-border);padding:6px 12px;font-size:.7rem;text-transform:uppercase;font-weight:700;cursor:pointer;transition:all .15s;color:var(--color-text-muted)}.btn-text:hover{border-color:var(--color-primary);color:var(--color-primary)}.btn-icon{background:transparent;border:none;cursor:pointer;color:var(--color-text-dim);padding:3px;font-size:1.1rem;line-height:1}.btn-icon:hover{color:var(--color-error)}.app-footer{margin-top:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-top:1px solid var(--color-border);padding-top:var(--spacing-lg);text-align:center}.promo-banner{display:flex;flex-direction:column;align-items:center;gap:4px}.promo-headline a{color:var(--color-text-main);text-decoration:underline;text-underline-offset:3px;font-weight:700}.promo-subtext{font-size:.85rem;color:var(--color-text-muted)}@media(max-width:480px){.app-container{padding:var(--spacing-md) var(--spacing-sm) var(--spacing-lg)}.header h1{font-size:1.3rem}.header-controls{gap:10px}.hc-group{gap:4px}.ic-dose-row{gap:6px}.ic-result-line{font-size:.8rem}}.tooltip-wrapper{position:relative;display:inline-flex;align-items:center;cursor:help}.tooltip-content{position:absolute;z-index:1000;padding:10px 14px;background:#1a1a1a;border:1px solid #3A3835;color:#eeede9;font-size:.8rem;font-weight:400;line-height:1.5;white-space:normal;width:max-content;max-width:280px;box-shadow:0 4px 12px #0003;animation:tooltipFadeIn .15s ease-out}@keyframes tooltipFadeIn{0%{opacity:0}to{opacity:1}}.tooltip-top{bottom:calc(100% + 8px);left:50%;transform:translate(-50%)}.tooltip-bottom{top:calc(100% + 8px);left:50%;transform:translate(-50%)}.tooltip-left{right:calc(100% + 8px);top:50%;transform:translateY(-50%)}.tooltip-right{left:calc(100% + 8px);top:50%;transform:translateY(-50%)}.tooltip-arrow{position:absolute;width:8px;height:8px;background:#1a1a1a;border:1px solid #3A3835;transform:rotate(45deg)}.tooltip-top .tooltip-arrow{bottom:-5px;left:50%;margin-left:-4px;border-top:none;border-left:none}.tooltip-bottom .tooltip-arrow{top:-5px;left:50%;margin-left:-4px;border-bottom:none;border-right:none}.tooltip-left .tooltip-arrow{right:-5px;top:50%;margin-top:-4px;border-bottom:none;border-left:none}.tooltip-right .tooltip-arrow{left:-5px;top:50%;margin-top:-4px;border-top:none;border-right:none}.info-icon{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;font-size:.7rem;color:var(--color-primary);opacity:.7;transition:opacity .2s;margin-left:4px;vertical-align:middle}.info-icon:hover{opacity:1}.tooltip-trigger{border-bottom:1px dotted var(--color-text-muted);cursor:help}.tooltip-trigger:hover{border-color:var(--color-primary);color:var(--color-primary)}