:root{--bg: #f7f8fa;--surface: #ffffff;--border: #e5e7eb;--border-strong: #d1d5db;--text: #111827;--text-soft: #6b7280;--accent: #2563eb;--accent-soft: #eff4ff;--danger: #dc2626;--ok: #059669;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .05);color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;padding:0 24px;height:60px;background:var(--surface);border-bottom:1px solid var(--border)}.brand{font-weight:650;letter-spacing:-.01em}.brand span{color:var(--accent)}.topbar .spacer{flex:1}.page{max-width:900px;margin:0 auto;padding:32px 24px 96px}.steps{display:flex;gap:8px;margin-bottom:28px}.step{flex:1;display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);font-size:14px;color:var(--text-soft);cursor:pointer;text-align:left}.step[disabled]{cursor:not-allowed;opacity:.55}.step.active{border-color:var(--accent);color:var(--text);box-shadow:0 0 0 3px var(--accent-soft)}.step.done{color:var(--text)}.step .num{width:22px;height:22px;flex:none;display:grid;place-items:center;border-radius:50%;background:#f3f4f6;font-size:12px;font-weight:600}.step.active .num{background:var(--accent);color:#fff}.step.done .num{background:#d1fae5;color:var(--ok)}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:24px;margin-bottom:16px}.card h2{margin:0 0 4px;font-size:17px;letter-spacing:-.01em}.card .sub{margin:0 0 20px;color:var(--text-soft);font-size:14px}.field{margin-bottom:18px}.field:last-child{margin-bottom:0}.field>label{display:block;font-size:13.5px;font-weight:550;margin-bottom:6px}.field 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48px);display:flex;flex-direction:column;background:var(--surface);border-radius:14px;box-shadow:0 20px 50px #10182840}.modal.wide{width:min(980px,100%)}.modal-head{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--border)}.modal-head h2{margin:0;flex:1;font-size:16px}.modal-close{border:none;background:none;cursor:pointer;font-size:22px;line-height:1;color:var(--text-soft);padding:0 4px}.modal-close:hover{color:var(--text)}.modal-body{padding:18px 22px 22px;overflow:auto}.builder-head .btn.ghost{white-space:nowrap}tr.clickable{cursor:pointer}tr.clickable:hover td{background:#eef1f5}.row-link{color:inherit;text-decoration:none;font-weight:550}.row-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}.btn .icon{vertical-align:-3px;margin-right:6px}.builder-head .btn.ghost{display:inline-flex;align-items:center}.zip-preview{margin-top:8px}.zip-preview.stale{opacity:.55}.chip.zip{padding:3px 10px;font-variant-numeric:tabular-nums}.chip.zip em{font-style:normal;color:var(--text-soft);font-size:11px}.error-text{color:var(--danger)!important}.assist-fab{position:fixed;right:24px;bottom:24px;z-index:40;width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;display:grid;place-items:center;font-size:26px;line-height:1;background:var(--accent);color:#fff;box-shadow:0 8px 24px #2563eb59;transition:transform .15s,box-shadow .15s}.assist-fab:hover{transform:translateY(-1px);box-shadow:0 10px 28px #2563eb6b}.assist-fab.open{background:var(--text);box-shadow:0 8px 24px #1118274d}.assist-panel{position:fixed;right:24px;bottom:92px;z-index:40;width:min(380px,calc(100vw - 32px));height:min(560px,calc(100vh - 140px));display:flex;flex-direction:column;overflow:hidden;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 24px 60px #10182838}.assist-head{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border)}.assist-head>div{flex:1;display:flex;flex-direction:column}.assist-head strong{font-size:14.5px}.assist-head span{font-size:12px;color:var(--text-soft)}.assist-mark{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}.assist-mark svg{width:18px;height:18px}.assist-close{border:none;background:none;cursor:pointer;font-size:22px;line-height:1;color:var(--text-soft)}.assist-close:hover{color:var(--text)}.assist-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:#fafbfc}.assist-msg{max-width:88%;padding:9px 12px;border-radius:12px;font-size:13.5px;line-height:1.45}.assist-msg p{margin:0;white-space:pre-wrap}.assist-msg.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}.assist-msg.assistant{align-self:flex-start;background:#fff;border:1px solid var(--border);border-bottom-left-radius:4px}.assist-msg.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.assist-applied{list-style:none;margin:8px 0 0;padding:8px 0 0;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:4px}.assist-applied li{font-size:12.5px;color:var(--text);padding-left:16px;position:relative}.assist-applied li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}.assist-applied li.removed:before{content:"–";color:var(--danger)}.assist-note{margin-top:6px!important;font-size:12px;color:#92400e}.assist-msg.typing{display:flex;gap:4px;padding:12px 14px}.assist-msg.typing span{width:6px;height:6px;border-radius:50%;background:var(--border-strong);animation:assist-dot 1s infinite ease-in-out}.assist-msg.typing span:nth-child(2){animation-delay:.15s}.assist-msg.typing span:nth-child(3){animation-delay:.3s}@keyframes assist-dot{0%,80%,to{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}.assist-input{display:flex;gap:8px;align-items:flex-end;padding:12px;border-top:1px solid var(--border)}.assist-input textarea{flex:1;resize:none;padding:9px 11px;border:1px solid var(--border-strong);border-radius:10px;font:inherit;font-size:13.5px;outline:none;max-height:120px}.assist-input textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}