:root{--bg: #f6f5f2;--panel: #fff;--ink: #1c1c1e;--muted: #6b6b70;--line: #dcdad4;--accent: #1f4e79;--accent-ink: #fff;--warn: #b42318;--sel: #e8f0f8}@media(prefers-color-scheme:dark){:root{--bg: #151517;--panel: #1f1f22;--ink: #ececec;--muted: #9a9aa0;--line: #38383d;--accent: #6aa5dd;--accent-ink: #0d0d0f;--warn: #ff8a7a;--sel: #26333f}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,Segoe UI,Arial,sans-serif}button,input,select,textarea{font:inherit;color:inherit}button{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:8px 14px;cursor:pointer}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}button.ghost{background:transparent;color:var(--muted)}button.sel{background:var(--sel);border-color:var(--accent)}input,select,textarea{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%}.card{max-width:680px;margin:6vh auto;padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.card h1{margin-top:0;font-size:1.5rem}.card form{display:grid;gap:14px;margin-top:18px}.card label{display:grid;gap:4px;font-size:.95rem}.card label.check{display:flex;gap:8px;align-items:flex-start}.card label.check input{width:auto;margin-top:5px}.langs{display:flex;gap:8px;justify-content:flex-end}.notice{border:1px solid var(--line);background:var(--sel);padding:14px;border-radius:10px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}.notice p{flex-basis:100%;margin:0}.card li{margin:8px 0}.warn{color:var(--warn)}.step{min-height:100vh;padding:12px 20px 28px}.progress{display:grid;grid-template-columns:1fr auto auto;gap:16px;align-items:center;color:var(--muted);font-size:.9rem;margin-bottom:12px}.progress .bar{height:6px;background:var(--line);border-radius:3px;overflow:hidden}.progress .bar div{height:100%;background:var(--accent);transition:width .3s}.layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(300px,1fr);gap:24px;align-items:start}.layout-mark{grid-template-columns:minmax(0,2.4fr) minmax(280px,1fr)}@media(max-width:900px){.layout,.layout-mark{grid-template-columns:1fr}}.diagram{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;display:flex;justify-content:center;min-height:200px}.stage{position:relative;display:flex;justify-content:center;width:100%}.stage-inner{position:relative;display:inline-block;line-height:0}.stage-inner img{display:block;max-width:100%;max-height:calc(100vh - 110px);width:auto;height:auto;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.stage-inner img.zoomable{cursor:zoom-in}.stage-msg{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;gap:8px;color:#555;text-align:center}.zoom-btn{position:absolute;bottom:8px;inset-inline-end:8px;line-height:1.2;padding:4px 10px;opacity:.9}.draw-layer{position:absolute;top:0;right:0;bottom:0;left:0}.draw-layer canvas{display:block;touch-action:none}.question{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;position:sticky;top:12px}.qtext{font-size:1.15rem;margin-top:0}.options{display:grid;gap:10px;margin:16px 0}.option{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line);border-radius:10px;cursor:pointer}.option.sel{background:var(--sel);border-color:var(--accent)}.option input{width:auto;margin-top:5px}textarea{resize:vertical;margin:12px 0}.mark-tools{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.mark-tools .hint{flex-basis:100%;margin:0;color:var(--muted);font-size:.9rem}.actions{display:flex;gap:10px;margin-top:12px}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;background:#000000d9;display:flex;flex-direction:column}.lightbox-bar{display:flex;gap:10px;justify-content:center;align-items:center;padding:10px;color:#fff}.lightbox-scroll{overflow:auto;flex:1;padding:0 10px 10px}.lightbox-scroll img{display:block;margin:0 auto;background:#fff}.admin{max-width:1100px;margin:24px auto;padding:0 16px}.admin .row{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}.admin .row input{max-width:260px}.admin table{width:100%;border-collapse:collapse;margin:12px 0 24px;font-size:.9rem}.admin th,.admin td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}.admin .preview{margin:auto;background:var(--panel);padding:16px;border-radius:12px;max-width:92vw;max-height:92vh;overflow:auto}.admin .preview img{max-width:100%;max-height:75vh}.card.consent{max-width:760px;display:grid;gap:14px}.card.consent h1{margin-bottom:0}.consent-text dl{margin:0}.consent-text dt{font-weight:600;margin-top:10px}.consent-text dd{margin:2px 0 0}.consent-text ol{margin:4px 0 8px;padding-inline-start:24px}.consent-text details{margin-top:14px;border:1px solid var(--line);border-radius:10px;padding:8px 14px}.consent-text summary{cursor:pointer;font-weight:600}.consent-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:560px){.consent-fields{grid-template-columns:1fr}.card{margin:0;border-radius:0;border-inline:0;padding:20px 16px}}.field-err{color:var(--warn);font-size:.85rem}input[aria-invalid=true]{border-color:var(--warn)}.receipt{margin:0 0 12px;color:var(--muted);font-size:.9rem}button.link{border:0;background:none;padding:0;color:var(--accent);text-decoration:underline}fieldset.radios{border:0;padding:0;margin:0;display:grid;gap:8px}.card label.option{display:flex}fieldset.radios legend{padding:0;margin-bottom:6px;font-size:.95rem}