:root{color-scheme:light;font-family:Lato,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--foam-blue: #1f4e79;--foam-sky: #e8f2fb;--foam-sand: #f7f3ea;--foam-accent: #f3b23b;--foam-ink: #102234;--foam-muted: #5e6a76;--foam-border: #d9e3ec;--foam-card: #ffffff;--foam-shadow: 0 18px 45px rgba(16, 34, 52, .12)}*,*:before,*:after{box-sizing:border-box}html,body{width:100%;overflow-x:hidden}body{margin:0;min-height:100vh;background:radial-gradient(1200px 600px at 10% 10%,#fdfbf7,#f2f6fb 55%,#e3ecf6);color:var(--foam-ink);-webkit-text-size-adjust:100%}a{color:inherit;text-decoration:none}#app{max-width:1120px;margin:0 auto;padding:32px 20px 72px;width:100%}.hero{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;margin-bottom:28px}.hero .eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;color:var(--foam-muted);margin-bottom:6px}.hero h1{font-family:Raleway,sans-serif;font-size:clamp(2rem,3vw,3rem);margin:0 0 8px;color:var(--foam-blue)}.hero p{margin:0;color:var(--foam-muted);max-width:700px}.help-panel{margin:4px 0 18px;padding:0;color:var(--foam-muted)}.help-panel summary{cursor:pointer;font-weight:600;color:var(--foam-muted);list-style:none;display:inline-flex;align-items:center;gap:8px}.help-panel summary::marker{content:""}.help-panel summary::-webkit-details-marker{display:none}.help-panel summary:before{content:"+";display:inline-flex;width:18px;height:18px;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--foam-border);color:var(--foam-muted);font-weight:700;font-size:.85rem}.help-panel[open] summary:before{content:"–"}.help-body{margin-top:10px;font-size:.9rem;max-width:760px}.help-body ol{margin:8px 0 0 18px;padding:0}.layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:20px;align-items:start;max-width:100%}.layout>*{min-width:0}.column{display:grid;gap:20px;min-width:0;max-width:100%}.panel{background:var(--foam-card);border:1px solid var(--foam-border);border-radius:18px;padding:22px;box-shadow:var(--foam-shadow);min-width:0;max-width:100%}.panel h2,.panel h3{font-family:Raleway,sans-serif;margin:0 0 14px;color:var(--foam-blue)}.panel h2{font-size:1.3rem}.panel h3{font-size:1.05rem}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.panel-header h2{margin:0}.collapsible-body{display:grid}.panel.is-collapsed .collapsible-body{display:none}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.field label{font-weight:700;font-size:.95rem}.field select,.field input[type=number]{padding:10px 12px;border-radius:10px;border:1px solid var(--foam-border);font-size:16px;font-family:inherit;width:100%;max-width:100%;min-width:0}.field small{color:var(--foam-muted)}.field-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:0 12px}.dimensions-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.field-divider{height:1px;background:var(--foam-border);margin:4px 0 14px}.computed-panel{padding:16px 18px}.computed-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.computed-head h2{margin:0}.status-pill,.build-status{padding:6px 10px;border-radius:999px;background:var(--foam-sky);color:var(--foam-blue);font-size:.8rem;font-weight:600;border:1px solid var(--foam-border);line-height:1.35}.build-status{margin-bottom:12px;display:inline-flex}.build-status[data-tone=success]{background:#e8f8ef;border-color:#b8e7c9;color:#21653b}.build-status[data-tone=error]{background:#fff2f2;border-color:#f0cfcf;color:#a23434}.build-status[data-tone=muted]{color:var(--foam-muted)}.computed-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px}.computed-item{background:var(--foam-sand);border-radius:12px;padding:8px 10px;border:1px solid var(--foam-border);display:grid;gap:2px}.computed-label{display:inline-flex;align-items:center;gap:6px}.computed-item .label-text{font-size:.78rem;color:var(--foam-muted);text-transform:uppercase;letter-spacing:.08em}.computed-item strong{font-size:1rem;color:var(--foam-blue)}.options-list{display:grid;gap:12px}.build-stale{border:1px dashed #e1c988;background:#fff8e7;color:#7a6016;border-radius:10px;padding:8px 10px;font-size:.85rem}.option-card{border:1px solid var(--foam-border);border-radius:14px;padding:14px;background:#fff;display:grid;gap:10px}.option-card.selected{border-color:var(--foam-blue);box-shadow:0 8px 22px #1f4e792e}.option-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.option-head h3{margin:0}.option-note{font-size:.82rem;color:var(--foam-muted);margin-top:2px}.option-metrics{display:flex;flex-wrap:wrap;gap:8px 10px;font-size:.82rem}.option-metrics span{background:var(--foam-sand);border:1px solid var(--foam-border);border-radius:999px;padding:4px 8px;color:var(--foam-muted)}.option-layers{margin:0;padding-left:16px;color:var(--foam-muted);font-size:.85rem}.option-layers li+li{margin-top:4px}.layers-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.layers-header h2{margin:0}.layers-top{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:14px;align-items:start;margin-bottom:14px}.layers-preview-card{border:1px solid var(--foam-border);border-radius:14px;background:linear-gradient(170deg,#f8fbff,#eef4fb);padding:12px;display:grid;gap:10px}.layers-preview-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.layers-preview-head h3{margin:0;color:var(--foam-blue);font-size:.95rem}.preview-style-label{border:1px solid var(--foam-border);background:#fff;color:var(--foam-muted);border-radius:999px;padding:2px 8px;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.preview-style-tabs{display:flex;flex-wrap:wrap;gap:6px}.preview-style-tab{padding:5px 10px;border-radius:999px;border:1px solid var(--foam-border);background:#fff;color:var(--foam-blue);font-size:.76rem;min-width:0}.preview-style-tab.active{color:#fff;background:var(--foam-blue);border-color:var(--foam-blue);box-shadow:0 5px 10px #1f4e7933}.preview-style-controls{display:grid;gap:8px}.preview-style-controls-empty{color:var(--foam-muted);font-size:.76rem;border:1px dashed var(--foam-border);border-radius:8px;padding:8px;background:#fff}.preview-style-control{border:1px solid var(--foam-border);border-radius:8px;background:#fff;padding:6px 8px;display:grid;gap:6px}.preview-style-control-head{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--foam-muted);font-size:.72rem}.preview-style-control-inputs{display:grid;grid-template-columns:1fr 82px;gap:8px}.preview-style-actions{display:flex;justify-content:flex-end}.layers-preview-stage{border:1px solid var(--foam-border);border-radius:10px;background:#fff;min-height:200px;display:flex;align-items:center;justify-content:center;overflow:hidden}.layers-preview-canvas{width:100%;height:100%;min-height:200px}.layers-preview-canvas svg{width:100%;height:100%;display:block}.layers-preview-empty{color:var(--foam-muted);font-size:.82rem;text-align:center;padding:12px}.layers-preview-meta{color:var(--foam-muted);font-size:.78rem}.layer-card{border:1px solid var(--foam-border);border-radius:16px;padding:16px;background:#fff;display:grid;gap:12px;margin-bottom:12px}.layer-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.layer-title{font-weight:800;color:var(--foam-blue)}.layer-actions{display:flex;flex-wrap:wrap;gap:10px}.layer-body{display:flex;flex-wrap:wrap;gap:12px 16px;align-items:end}.thickness-field{align-items:flex-start;flex:0 0 120px}.thickness-input{width:100%}.layer-suggestions{margin-top:4px;margin-bottom:12px;padding:2px 0 0;border-radius:0;background:transparent;border:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px 18px}.suggestions-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--foam-muted);font-weight:700}.suggestions-list{display:flex;flex-wrap:wrap;gap:8px}.suggestions-empty{font-size:.82rem;color:var(--foam-muted);padding:4px 0}.suggestion-chip{padding:6px 12px;border-radius:999px;border:1px solid var(--foam-border);background:#fff;color:var(--foam-blue);font-size:.82rem;font-weight:700}.suggestion-chip.selected{background:var(--foam-blue);color:#fff;border-color:var(--foam-blue);box-shadow:0 6px 12px #1f4e7933}.suggestion-chip:hover:not(:disabled){transform:translateY(-1px)}.layer-meta{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:.82rem;color:var(--foam-muted);word-break:break-word}button{border-radius:10px;border:1px solid transparent;padding:8px 12px;font-size:.85rem;font-weight:600;font-family:inherit;background-color:var(--foam-blue);color:#fff;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 14px #1f4e7933}button:disabled{opacity:.45;cursor:not-allowed}button.ghost{background:transparent;color:var(--foam-blue);border:1px solid var(--foam-border)}button.compact{padding:6px 10px;font-size:.8rem}.icon-btn{padding:6px;width:36px;height:36px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:var(--foam-sky);color:var(--foam-blue);border:1px solid var(--foam-border);position:relative}.icon-btn .material-symbols-rounded{font-size:20px;line-height:1}.icon-btn:hover:not(:disabled){background:#fff;box-shadow:0 6px 14px #1f4e792e}.icon-btn.danger{color:#8b2d2d;background:#fff3f3;border-color:#f0cfcf}.icon-btn[data-tooltip]:after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%) translateY(4px);background:#102234;color:#fff;font-size:.72rem;padding:4px 8px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s ease,transform .15s ease;z-index:10}.icon-btn[data-tooltip]:before{content:"";position:absolute;bottom:calc(100% + 2px);left:50%;width:8px;height:8px;background:#102234;transform:translate(-50%) rotate(45deg);opacity:0;transition:opacity .15s ease;z-index:9}.icon-btn[data-tooltip]:hover:after,.icon-btn[data-tooltip]:hover:before{opacity:1;transform:translate(-50%) translateY(0)}.empty{font-size:.9rem;color:var(--foam-muted);padding:8px 0}.submit-panel{margin-top:18px;padding-top:12px;border-top:1px dashed var(--foam-border);display:flex;align-items:center;justify-content:space-between;gap:12px}.submit-actions{display:flex;gap:10px;align-items:center}.submit-panel button{min-width:120px}.submit-status{font-size:.85rem;color:var(--foam-muted);text-align:right;max-width:240px}.submit-status[data-tone=success]{color:#1f7a3f;font-weight:600}.submit-status[data-tone=error]{color:#a23434;font-weight:600}.submit-status[data-tone=pending]{color:var(--foam-blue);font-weight:600}@media(max-width:960px){.hero,.layout,.layers-top{grid-template-columns:1fr}}@media(max-width:640px){#app{padding:24px 16px 48px}.panel{padding:18px}.layer-header{flex-direction:column;align-items:flex-start}.layer-actions{width:100%}.submit-panel{flex-direction:column;align-items:flex-start}.submit-status{text-align:left;max-width:none}}@media(max-width:480px){.computed-grid,.field-grid,.dimensions-grid{grid-template-columns:1fr}.option-head{flex-direction:column;align-items:flex-start}}