:root{--bg:#f4f4f4;--surface:#fff;--surface-soft:#fafafa;--surface-sunken:#f0f0f0;--line:#e0e0e0;--line-strong:#ccc;--ink:#2e2e2e;--muted:#6e6e6e;--ink-soft:#555;--navy:#1b3654;--accent:#1b3654;--accent-hover:#0f2238;--accent-soft:#e8edf3;--on-accent:#fff;--on-accent-light:#fff;--canvas-wall:#e4e4e4;--canvas-floor:#cecece;--canvas-opening:#707070;--canvas-gap:#4a4a4a;--canvas-groove:#8c8c8c;--canvas-dimension:#444;--canvas-label-bg:#ffffffd1;--canvas-neutral:#c8c8c8;--shadow:0 1px 3px #0000001f;--radius:12px;--touch:52px;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);-webkit-tap-highlight-color:transparent}button,input{font:inherit;color:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.muted{color:var(--muted);margin:.4rem 0;font-size:.9rem}.page{flex-direction:column;height:100%;display:flex}.topbar{background:var(--surface);border-bottom:1px solid var(--line);grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:6px 16px;display:grid}.topbar h1{color:var(--accent);text-align:center;margin:0;font-size:1.3rem;font-weight:600;line-height:1.2}.topbar-side{align-items:center;display:flex}.topbar-end{justify-content:flex-end}.topbar .settings-button{display:none}.back-link{border:1px solid var(--line-strong);background:var(--surface);min-height:33px;color:var(--ink);white-space:nowrap;border-radius:8px;align-items:center;gap:6px;padding:0 12px;font-size:.85rem;font-weight:600;text-decoration:none;display:inline-flex}.back-link:hover,.back-link:focus-visible{border-color:var(--accent);color:var(--accent)}.designer{flex:1;grid-template-columns:minmax(0,2fr) minmax(340px,1fr);min-height:0;display:grid}.drawing{flex-direction:column;gap:10px;min-width:0;min-height:0;padding:12px;display:flex}.stage{border-radius:var(--radius);background:var(--canvas-wall);min-height:0;box-shadow:var(--shadow);flex:1;position:relative;overflow:hidden}.stage canvas{touch-action:pan-y;-webkit-user-select:none;user-select:none;display:block}.stage.on-room{box-shadow:none;background:0 0;overflow:visible}.stage.on-room canvas{filter:drop-shadow(0 1px 3px #00000024)}.stage-message{text-align:center;background:color-mix(in srgb, var(--canvas-wall) 92%, transparent);flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;font-size:1.1rem;display:flex;position:absolute;inset:0}.stage-message.static{border-radius:var(--radius);flex:1;position:static}.drawing-bar{flex-wrap:wrap;align-items:center;gap:12px 20px;display:flex}.drawing-bar .open-toggle,.drawing-bar .room-toggle{min-width:11.5em}.hint{text-align:right;white-space:nowrap;flex-direction:row;align-items:baseline;gap:.3em;margin:0 0 0 auto;font-size:.85rem;line-height:1.35;display:flex}.options{background:var(--surface);border-left:1px solid var(--line);padding:16px 18px 28px;overflow-y:auto}.options-head{justify-content:space-between;align-items:flex-start;gap:8px;margin:0;display:flex}.options .options-head+section{padding-top:6px}.options-subtitle{color:var(--navy);margin:2px 0 0;font-size:1.1rem;font-weight:700}.icon-button{width:44px;height:44px;color:var(--muted,#777);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:50%;flex:none;place-items:center;margin:-6px -8px 0 0;padding:0;display:grid}.icon-button:hover,.icon-button:focus-visible,.icon-button[aria-pressed=true]{color:var(--accent);border-color:var(--accent)}.options h2{margin:0 0 8px;font-size:1.2rem;font-weight:600}.options h2.soft-heading{color:var(--ink-soft);font-size:1rem}.options .muted,.options .switch{font-size:1rem}.label-note{color:var(--muted);font-size:.8em;font-weight:400}.options section{border-top:1px solid var(--line);padding:14px 0}.options section:first-of-type{border-top:0}.options h2.size-heading{color:var(--ink);margin-bottom:10px;font-size:1.25rem}.size-row{grid-template-columns:repeat(2,minmax(0,1fr));align-items:end;gap:12px;display:grid}.size-row .label-note{white-space:nowrap;margin-left:.4em;display:inline-block}.field label{margin-bottom:4px;font-size:1.1rem;font-weight:600;display:block}.field small{color:var(--muted);margin-top:4px;display:block}.input-wrap{position:relative}.input-wrap input{width:100%;height:var(--touch);text-align:center;border:1px solid var(--line-strong);background:var(--surface);border-radius:10px;padding:0 44px 0 10px;font-size:1.5rem;font-weight:600}.input-wrap input:hover{border-color:var(--accent)}.input-wrap span{color:var(--muted);pointer-events:none;font-size:1rem;position:absolute;top:50%;right:8px;transform:translateY(-50%)}button.primary,button.secondary{min-height:var(--touch);border:1px solid var(--accent);border-radius:10px;padding:0 20px;font-weight:600}button.primary{background:var(--accent);color:var(--on-accent)}button.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}button.secondary{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}button.secondary:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}button.secondary:disabled{opacity:.5;cursor:default}.check{min-height:var(--touch);cursor:pointer;align-items:center;gap:10px;display:inline-flex}.check input{width:24px;height:24px;accent-color:var(--accent)}.chips{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;display:grid}.chip{min-height:var(--touch);white-space:nowrap;text-align:center;border:2px solid var(--line);background:var(--surface-soft);border-radius:10px;padding:8px 12px;font-weight:600}.chip:hover{border-color:var(--accent)}.chip[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}.segmented{border:1px solid var(--line-strong);border-radius:10px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.segmented button{min-height:var(--touch);background:var(--surface-soft);border:0;font-weight:600}.segmented button:hover{background:var(--accent-soft)}.segmented button[aria-pressed=true]{background:var(--accent);color:var(--on-accent)}.swatches{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.swatch{border:1px solid var(--line);background:var(--surface);text-align:center;border-radius:12px;flex-direction:column;gap:8px;padding:8px 8px 10px;display:flex}.swatch:hover,.swatch:active{border:1px solid var(--accent)}.swatch-image{aspect-ratio:1;border-radius:8px;width:100%;display:block;overflow:hidden;box-shadow:inset 0 0 0 1px #0000001a}.swatch-image img{object-fit:cover;width:100%;height:100%;display:block}.swatch-name{color:var(--muted);font-size:.95rem;line-height:1.2}.swatch[aria-pressed=true]{border:1px solid var(--accent);background:var(--surface)}.swatch[aria-pressed=true] .swatch-name{color:var(--ink)}.door-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.door-list button{text-align:left;border:2px solid var(--line);background:var(--surface-soft);border-radius:10px;grid-template-columns:22px auto 1fr auto;align-items:center;gap:10px;width:100%;min-height:48px;padding:6px 12px;display:grid}.door-list button:hover{border-color:var(--accent)}.door-list button[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}.door-list .dot{border-radius:50%;width:18px;height:18px;box-shadow:inset 0 0 0 1px #0003}.price-total{border:1px solid var(--line);background:var(--surface-soft);color:var(--ink);border-radius:10px;justify-content:space-between;align-items:baseline;margin:0;padding:12px 14px;display:flex}.price-total b{font-size:1.35rem;font-weight:700}.price-amount{flex-direction:column;flex:none;align-items:flex-end;display:flex}.price-amount small{color:var(--muted);font-size:.9rem;font-weight:400}.door-list .door-price{color:var(--ink);font-weight:700}.warnings{gap:8px;margin:12px 0 0;padding:0;list-style:none;display:grid}.warning{border-left:5px solid var(--accent);background:var(--surface-sunken);color:var(--ink);border-radius:10px;align-items:flex-start;gap:10px;padding:12px 14px;font-size:.95rem;line-height:1.35;display:flex}.warning-icon{background:var(--accent);width:22px;height:22px;color:var(--on-accent);border-radius:50%;flex:none;place-items:center;font-size:.9rem;font-weight:700;line-height:1;display:inline-grid}.status-screen{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:100%;padding:24px;display:flex}@media (width<=900px),(orientation:portrait),(height<=560px){html,body,#root,.page{height:auto}.designer{height:auto;display:block}.drawing{padding:8px}.stage{flex:none;height:min(62vw,60vh);min-height:260px}.hint{text-align:left;margin-left:0}.options{border-left:0;border-top:1px solid var(--line);overflow:visible}}.back-short{display:none}@media (width<=600px){.topbar{gap:8px;padding:8px 16px}.topbar h1{white-space:nowrap;font-size:1.2rem}.back-full{display:none}.back-short{display:inline}.back-link{min-height:36px;padding:0 12px}.drawing{gap:12px;padding:12px 16px}.stage{height:min(70vw,55vh);min-height:240px}.drawing-bar{grid-template-columns:repeat(2,minmax(0,1fr));align-items:center;gap:10px;display:grid}.drawing-bar .open-toggle,.drawing-bar .room-toggle{white-space:normal;width:100%;min-width:0;padding:0 8px;line-height:1.2}.drawing-bar .switch{grid-column:1/-1;justify-self:center;gap:8px;min-width:0;max-width:100%}.drawing-bar .switch-track{flex:none}.drawing-bar .hint,.options-subtitle,.options-head .settings-button{display:none}.topbar .settings-button{width:36px;height:36px;display:grid}.options{padding:14px 16px 64px}.swatches{grid-template-columns:repeat(3,minmax(0,1fr))}.swatch-name{font-size:.85rem}.price-total{gap:12px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}.tuning{background:var(--surface-sunken);border:1px solid var(--line);border-radius:var(--radius);margin:8px 0 4px;padding:12px 14px 14px}.options .tuning{border-top:1px solid var(--line)}.tuning fieldset{border:1px solid var(--line-strong);background:var(--surface);border-radius:10px;margin:10px 0 0;padding:8px 10px 10px}.tuning legend{padding:0 6px;font-size:.9rem;font-weight:600}.slider-row{grid-template-columns:120px 1fr 52px;align-items:center;gap:8px;min-height:40px;font-size:.85rem;display:grid}.slider-row input[type=range]{width:100%;accent-color:var(--accent)}.slider-row output{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}.tuning-actions{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.tuning-actions button:disabled{opacity:.5;cursor:default}.tuning-message{border-left:5px solid var(--accent);background:var(--surface);border-radius:8px;margin:10px 0 0;padding:8px 12px;font-size:.9rem}button.secondary[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft)}.section-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px;display:flex}.section-head h2{margin:0}.switch{background:0 0;border:0;align-items:center;gap:10px;min-height:40px;padding:0 4px;font-size:.9rem;display:inline-flex}.switch:disabled{opacity:.5;cursor:default}.switch-track{background:var(--line-strong);border-radius:11px;flex:none;width:40px;height:22px;transition:background .15s;position:relative}.switch-knob{background:var(--surface);border-radius:50%;width:18px;height:18px;transition:transform .15s;position:absolute;top:2px;left:2px;box-shadow:0 1px 2px #0000004d}.switch:hover .switch-track{box-shadow:0 0 0 1px var(--accent)}.switch[aria-checked=true] .switch-track{background:var(--accent)}.switch[aria-checked=true] .switch-knob{transform:translate(18px)}.room-picker{gap:8px;padding:10px 0 14px;display:flex;overflow-x:auto}.room-thumb{border:1px solid var(--line-strong);background:var(--surface);border-radius:8px;flex:none;width:128px;height:72px;padding:0;position:relative;overflow:hidden}.room-thumb img{object-fit:contain;background:var(--surface-sunken);width:100%;height:100%;display:block}.room-thumb span{text-align:left;color:var(--ink);background:color-mix(in srgb, var(--surface) 85%, transparent);padding:2px 6px;font-size:.75rem;position:absolute;bottom:0;left:0;right:0}.room-warning .warnings{margin:8px 0 0}.room-warning .warning{padding:8px 12px;font-size:.9rem}.room-thumb.unfit img{opacity:.4}.room-none{background:var(--canvas-wall);place-items:center;display:grid}.room-none span{text-align:center;background:0 0;position:static}.room-thumb:hover,.room-thumb[aria-pressed=true],.room-toggle[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.save-design{gap:12px;display:grid}.save-intro{color:var(--ink-soft);margin:0;font-size:1.05rem;line-height:1.5}.save-button{width:100%}button.primary.save-button{color:var(--on-accent-light)}.save-form{gap:10px;display:grid}.form-field label{margin-bottom:4px;font-weight:600;display:block}.form-field input,.form-field textarea{box-sizing:border-box;border:1px solid var(--line-strong);background:var(--surface);border-radius:10px;width:100%;padding:10px 12px;font-size:1rem}.form-field input{min-height:46px}.form-field textarea{resize:vertical}.form-field input:focus,.form-field textarea:focus{border-color:var(--accent);outline:none}.save-actions{flex-wrap:wrap;gap:10px;display:flex}.save-actions .primary{flex:1}.save-error{border-left:3px solid var(--accent);background:var(--surface-soft);color:var(--ink);margin:0;padding:8px 12px}.save-done{border-left:3px solid var(--accent);background:var(--accent-soft);color:var(--ink);border-radius:0 10px 10px 0;gap:4px;padding:10px 12px;display:grid}.trap{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.opened-note{color:var(--muted);margin:4px 0 0;font-size:.85rem}.opened-note.missing{border-left:3px solid var(--accent);color:var(--ink);padding-left:8px}button.primary:disabled,button.secondary:disabled{opacity:.5;cursor:default}