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var(--border-strong);border-radius:50%;background:var(--surface);color:var(--text-muted);font-size:10px;font-style:italic;font-weight:700;line-height:1;cursor:pointer}.param-info-btn:hover{color:var(--text);border-color:var(--border-hover)}.param-info-btn[aria-expanded=true]{color:var(--accent);border-color:var(--accent);background:var(--accent-tint)}.param-info-popup{position:absolute;top:calc(100% + 6px);left:0;z-index:5;width:max-content;max-width:240px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface);box-shadow:var(--shadow-float);font-size:12px;line-height:1.45;color:var(--text-muted)}.param-info-popup strong{color:var(--text);font-weight:600}input[type=range]{width:100%;accent-color:var(--accent);height:24px;cursor:pointer}.stepper{display:flex;align-items:stretch;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-control);overflow:hidden;transition:border-color .14s 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var(--border-strong);cursor:pointer;padding:0;transition:transform .12s ease,box-shadow .12s ease}.swatch:hover{transform:scale(1.12)}.swatch-selected{box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent)}.quote{display:flex;flex-direction:column;gap:8px;font-size:13px}.quote table{width:100%;border-collapse:collapse;font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:12px}.quote th,.quote td{text-align:right;padding:6px 8px;border-bottom:1px solid var(--border)}.quote th{color:var(--text-muted);font-family:var(--font-ui);font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.07em}.quote .active-break td{color:var(--accent);background:var(--accent-tint)}.quote-price{display:flex;align-items:baseline;gap:8px}.quote-amount{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:22px;font-weight:600;letter-spacing:-.01em}.quote-note{font-size:12px;color:var(--text-muted)}.alert{border-radius:var(--radius-control);padding:10px 12px;font-size:13px;display:flex;flex-direction:column;gap:8px;border:1px solid}.alert-error{border-color:var(--danger-border);background:var(--danger-tint);color:var(--danger)}.alert-error .btn{color:var(--text)}.alert-error .btn-primary{color:var(--surface)}.alert-success{border-color:var(--success-border);background:var(--success-tint);color:var(--success)}.alert-warn{border-color:var(--warn-border);background:var(--warn-tint);color:var(--warn)}.alert .btn{align-self:flex-start}.error-detail{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);overflow-wrap:anywhere}.stage{position:relative;min-height:0;padding:14px;background:var(--bg)}.stage-viewport{position:relative;width:100%;height:100%;min-height:0}.viewer{position:relative;width:100%;height:100%;border:1px solid var(--border);border-radius:var(--radius-sheet);overflow:hidden}.viewer canvas{width:100%;height:100%;display:block}.viewer-fallback{display:grid;place-items:center;padding:24px;text-align:center;background:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px),var(--sheet);background-size:24px 24px;color:var(--text-muted)}.viewer-fallback p{max-width:280px;background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid var(--border);border-radius:var(--radius-control);padding:10px 12px;box-shadow:var(--shadow-float)}.dim-label{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:10.5px;color:var(--text-muted);background:color-mix(in srgb,var(--sheet) 88%,transparent);border:1px solid var(--border);border-radius:var(--radius-chip);padding:0 5px;line-height:16px;white-space:nowrap}.dim-label-feature{color:var(--text);border-color:var(--border-strong)}.dim-info{position:relative;display:inline-block;width:12px;height:12px;margin-left:4px;border:1px solid var(--border-strong);border-radius:50%;font-family:var(--font-sans, inherit);font-size:8.5px;font-style:italic;line-height:11px;text-align:center;color:var(--text-muted);cursor:help;vertical-align:1px}.dim-tip{display:none;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%);width:190px;padding:6px 8px;font-style:normal;font-size:10.5px;line-height:1.45;text-align:left;white-space:normal;color:var(--text);background:var(--sheet);border:1px solid var(--border-strong);border-radius:var(--radius-chip);box-shadow:var(--shadow-float);z-index:10}.dim-info:hover .dim-tip,.dim-info:focus .dim-tip{display:block}.stage-overlay{position:absolute;top:14px;right:14px;bottom:14px;left:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px;pointer-events:none}.stage-overlay .alert,.stage-overlay .btn{pointer-events:auto}.stage-overlay .alert{max-width:480px}.stage-overlay-top{justify-content:flex-start;padding-top:88px}.stage-welcome{display:flex;flex-direction:column;align-items:center;gap:8px;max-width:520px;background:color-mix(in srgb,var(--surface) 90%,transparent);border:1px solid var(--border);border-radius:var(--radius-sheet);padding:18px 26px;box-shadow:var(--shadow-float);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.stage-empty-title{font-size:20px;font-weight:600;letter-spacing:-.015em}.stage-empty-body{color:var(--text-muted);max-width:420px}.stage-hud{position:absolute;top:28px;left:28px;display:flex;flex-direction:column;gap:2px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-control);padding:8px 12px;box-shadow:var(--shadow-float)}.hud-name{font-weight:600;font-size:13px;letter-spacing:-.01em}.hud-dims{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:12px;color:var(--text-muted)}.hud-warning{margin-top:4px;max-width:300px;font-size:12px;color:var(--warn)}.stage-actions{position:absolute;top:28px;right:28px;display:flex;align-items:center;gap:8px}.stage-export{font:inherit;font-family:var(--font-mono);font-size:12px;font-weight:600;padding:6px 10px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-control);box-shadow:var(--shadow-float);cursor:pointer;transition:border-color .14s ease}.stage-export:hover{border-color:var(--border-strong)}.stage-units{display:flex;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-control);box-shadow:var(--shadow-float);overflow:hidden}.stage-units button{font:inherit;font-family:var(--font-mono);font-size:12px;font-weight:600;padding:6px 10px;background:transparent;color:var(--text-muted);border:none;cursor:pointer;transition:background-color .14s ease,color .14s ease}.stage-units button+button{border-left:1px solid var(--border)}.stage-units button[aria-pressed=true]{background:var(--ink);color:var(--surface)}.stage-units button:hover:not([aria-pressed=true]){color:var(--text)}.stage-explanation{position:absolute;bottom:28px;left:28px;right:28px;margin:0 auto;max-width:640px;font-size:12px;color:var(--text-muted);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-control);padding:8px 12px;box-shadow:var(--shadow-float)}@media (max-width: 860px){.stage{padding:10px}.stage-viewport{order:3;height:clamp(300px,50svh,460px);flex:none}.viewer{border-radius:var(--radius-control)}.stage-overlay{top:10px;right:10px;bottom:10px;left:10px;align-items:stretch;padding:16px}.stage-overlay-top{display:none}.stage-hud{position:static;order:1;inset:auto;max-width:none;padding:7px 11px}.stage-actions{position:static;order:2;inset:auto;flex-direction:row;align-items:center;justify-content:flex-end}.hud-dims,.hud-warning{overflow-wrap:anywhere}.stage-explanation{position:static;order:4;inset:auto;max-width:none;max-height:none;overflow:visible;background:transparent;border:none;box-shadow:none;padding:2px 2px 4px;font-size:12px}}@media (max-width: 420px){.stage,.app-empty .stage{height:auto;min-height:0}.dim-label{font-size:9.5px;line-height:15px;padding:0 4px}}.gen-full{display:flex;flex-direction:column;align-items:center;gap:18px}.gen-full .gen-stage{font-size:15px;font-weight:600;letter-spacing:-.01em}.gen-full .gen-elapsed{font-size:12px;color:var(--text-muted);font-family:var(--font-mono);font-variant-numeric:tabular-nums}.gen-pill{position:absolute;top:14px;left:50%;width:max-content;max-width:calc(100% - 28px);transform:translate(-50%);background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:8px 16px;box-shadow:var(--shadow-float);pointer-events:none}.gen-pill-content{display:inline-flex;align-items:center;gap:12px;font-size:13px}.gen-pill .cube-spinner{--cube: 14px;flex:none}.gen-pill .gen-stage{min-width:0}@media (max-width: 860px){.gen-pill{top:10px}}@media (max-width: 360px){.gen-pill{max-width:calc(100% - 16px);padding:8px 12px}.gen-pill-content{gap:8px}}.gen-pill .gen-elapsed{color:var(--text-muted);font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:12px}.cube-spinner{--cube: 36px;width:var(--cube);height:var(--cube);display:inline-block;perspective:calc(var(--cube) * 6);transform-style:preserve-3d;transform:rotateX(-22deg) rotateY(-32deg)}.cube-spinner i{position:absolute;top:0;right:0;bottom:0;left:0;border:1.5px solid var(--accent);background:color-mix(in srgb,var(--accent) 7%,transparent)}.cube-spinner i:nth-child(1){transform:rotateY(0) translateZ(calc(var(--cube) / 2))}.cube-spinner i:nth-child(2){transform:rotateY(90deg) translateZ(calc(var(--cube) / 2))}.cube-spinner i:nth-child(3){transform:rotateY(180deg) translateZ(calc(var(--cube) / 2))}.cube-spinner i:nth-child(4){transform:rotateY(270deg) translateZ(calc(var(--cube) / 2))}.cube-spinner i:nth-child(5){transform:rotateX(90deg) translateZ(calc(var(--cube) / 2))}.cube-spinner i:nth-child(6){transform:rotateX(-90deg) translateZ(calc(var(--cube) / 2))}@media (prefers-reduced-motion: no-preference){.cube-spinner{animation:cube-spin 3.6s linear infinite}.gen-stage{animation:stage-fade .3s ease}}@media (prefers-reduced-motion: reduce){*{transition-duration:.01ms!important}}@keyframes cube-spin{0%{transform:rotateX(-22deg) rotateY(0)}to{transform:rotateX(-22deg) rotateY(360deg)}}@keyframes stage-fade{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 860px){.panel,form,.prompt-actions,.reasoning,.reasoning-opts{min-width:0;max-width:100%}.reasoning-opts button{min-width:0}textarea,input[type=text],input[type=email],input[type=number],select,.param-value input[type=number]{min-height:44px;font-size:16px;line-height:1.4;scroll-margin-top:calc(72px + env(safe-area-inset-top))}textarea{min-height:104px;padding:12px 13px;border-radius:var(--radius-sheet);resize:none}.param-value input[type=number]{width:88px}.prompt-actions{gap:8px}.attach-buttons{width:100%}.attach-buttons .btn-attach{flex:1 1 0}.prompt-actions>.btn-primary{width:100%;margin-left:0}.reasoning-label{padding:2px 4px 2px 10px}.reasoning-opts button{padding:7px 6px}.reasoning-balance-link{display:inline-flex;align-items:center;min-height:36px;padding:0 2px}.param-info-popup{max-width:min(260px,calc(100vw - 40px))}.btn,.example-chip,.reasoning-opts,.reasoning-opts button,.stage-export,.stage-units button,.stepper,.stepper-btn,input[type=range]{min-height:44px}.param-info-btn,.reasoning-label .param-info-btn{width:40px;height:40px;font-size:12px}.attachment-remove{width:40px;height:40px;top:0;right:0;font-size:12px}.stepper-btn{width:44px}.swatch{width:44px;height:44px}}@media (hover: none) and (pointer: coarse){.swatch:hover{transform:none}}