:root{color:#18231f;--header-bg:#173f35;--header-border:#2c574b;--accent-green:#33815f;--accent-soft:#e9f3ee;--eyebrow-color:#90cdb5;--sidebar-bg:#ebe8e0;--border-subtle:#ddd9cf;--border-card:#d7d2c8;--card-bg:#fff;--tile-bg:#fbfaf7;--btn-orange:#d96b43;--text-muted:#7a837f;background:#f3f1eb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{flex-direction:column;height:100vh;margin:0;display:flex;overflow:hidden}button,input,textarea,select{font:inherit}.app-header{background:var(--header-bg);color:#fff;border-bottom:1px solid var(--header-border);flex-shrink:0;justify-content:space-between;align-items:center;height:68px;padding:0 28px;display:flex}.brand-group{flex-direction:column;gap:2px;display:flex}.eyebrow{letter-spacing:.16em;color:var(--eyebrow-color);font-size:10px;font-weight:800}h1{margin:0;font-size:20px;font-weight:700}.header-right{align-items:center;gap:12px;display:flex}.save-status{color:#c7ded4;align-items:center;gap:6px;margin-right:6px;font-size:12px;display:flex}.status-icon{color:#4ade80}.import-button{color:#27483e;cursor:pointer;background:#fff;border:1px solid #cfcac0;border-radius:8px;align-items:center;gap:8px;padding:9px 14px;font-size:13px;font-weight:700;display:inline-flex}.import-button:hover{border-color:var(--accent-green);background:#f7faf8}.btn-export{background:var(--btn-orange);color:#fff;cursor:pointer;border:0;border-radius:8px;align-items:center;gap:8px;padding:9px 16px;font-size:13px;font-weight:700;display:inline-flex}.btn-export:hover{opacity:.92}.btn-save{background:var(--accent-green);color:#fff;cursor:pointer;border:0;border-radius:8px;align-items:center;gap:8px;padding:9px 16px;font-size:13px;font-weight:700;display:inline-flex}.btn-save:hover{opacity:.92}.app-main{grid-template-columns:240px minmax(560px,1fr) 380px;height:calc(100vh - 68px);display:grid;overflow:hidden}.app-sidebar{border-right:1px solid var(--border-subtle);background:var(--sidebar-bg);flex-direction:column;padding:24px 18px;display:flex;overflow-y:auto}.scenario-selector{margin-bottom:20px}.scenario-selector label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:6px;font-size:11px;font-weight:800;display:block}.steps-container{gap:6px;display:grid}.step-btn{text-align:left;cursor:pointer;color:#66716c;background:0 0;border:0;border-radius:9px;align-items:center;gap:12px;width:100%;padding:12px 10px;transition:all .15s;display:flex}.step-num{border:1px solid #aab0ac;border-radius:50%;flex-shrink:0;place-items:center;width:26px;height:26px;font-size:12px;font-weight:700;display:grid}.step-btn div{gap:1px;display:grid}.step-btn b{font-size:14px}.step-btn small{color:var(--text-muted);font-size:11px}.step-btn.active{color:var(--header-bg);background:#dfe7e1}.step-btn.active .step-num{background:var(--header-bg);color:#fff;border-color:var(--header-bg)}.progress-card{border:1px solid var(--border-card);background:#fff;border-radius:12px;gap:6px;margin-top:auto;padding:16px;font-size:12px;display:grid}.progress-card b{color:var(--header-bg);font-size:13px}.progress-card small{color:var(--text-muted)}.app-workspace{background:#f3f1eb;padding:28px 34px;overflow-y:auto}.intro{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.intro h2{margin:0 0 4px;font-size:26px;font-weight:800}.intro p{color:#68726d;margin:0;font-size:14px}.card{border:1px solid var(--border-card);background:#fff;border-radius:14px;margin-bottom:24px;overflow:hidden;box-shadow:0 2px 8px #00000008}.card-body{gap:18px;padding:24px;display:grid}.form-row{gap:8px;display:grid}.form-grid-2{grid-template-columns:1fr 1fr;gap:14px;display:grid}label{color:#4c5752;gap:6px;font-size:12px;font-weight:700;display:grid}input,textarea,select{color:#18231f;background:#fff;border:1px solid #d7d2c8;border-radius:8px;outline:none;width:100%;padding:10px 12px;font-size:14px;transition:all .15s}input:focus,textarea:focus,select:focus{border-color:#0000;outline:2px solid #8bbda8}.app-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-top:14px;display:grid}.app-tile{background:#fbfaf7;border:1px solid #e2ded5;border-radius:12px;gap:10px;padding:12px;transition:all .15s;display:grid}.app-tile.on{background:#f1f8f4;border-color:#8dbfa8}.app-toggle{cursor:pointer;color:#18231f;align-items:center;gap:8px;font-size:13px;font-weight:700;display:flex}.app-toggle input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent-green);cursor:pointer}.app-icon-badge{color:#27483e;background:#e6e2d9;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;display:flex;overflow:hidden}.app-badge-img{object-fit:cover;border-radius:7px;width:100%;height:100%}.app-tile select{background:#fff;padding:6px 8px;font-size:12px}.app-tile select:disabled{opacity:.5;cursor:not-allowed}.app-tile .badge-input{padding:6px 8px;font-size:12px}.app-tabs{flex-wrap:wrap;gap:8px;margin-bottom:18px;display:flex}.app-tab{cursor:pointer;color:#4c5752;background:#fbfaf7;border:1px solid #e2ded5;border-radius:10px;align-items:center;gap:8px;padding:8px 14px;font-size:13px;font-weight:600;transition:all .15s;display:flex}.app-tab-icon-img{object-fit:cover;border-radius:5px;flex-shrink:0;width:20px;height:20px}.app-tab.on{color:var(--header-bg);background:#eaf4ef;border-color:#8dbfa8}.app-tab small{color:#5b645f;background:#e6e2d9;border-radius:20px;padding:2px 7px;font-size:11px}.app-tab.on small{color:#28684e;background:#c9e3d6}.content-grid{background:#fff;border:1px solid #d9d5cc;border-radius:14px;grid-template-columns:240px 1fr;min-height:480px;display:grid;overflow:hidden}.threads-panel{background:#faf9f6;border-right:1px solid #e5e1d8;flex-direction:column;display:flex}.panel-head{border-bottom:1px solid #e5e1d8;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.panel-head b{font-size:14px}.btn-secondary{color:#27483e;cursor:pointer;background:#fff;border:1px solid #cfcac0;border-radius:7px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:700;display:inline-flex}.btn-secondary:hover{background:#f7faf8;border-color:#8dbfa8}.thread-list{flex:1;overflow-y:auto}.thread{cursor:pointer;border-bottom:1px solid #eeeae3;gap:3px;padding:12px 16px;transition:background .15s;display:grid}.thread.active{border-left:4px solid var(--accent-green);background:#e9f3ee;padding-left:12px}.thread b{font-size:13px}.thread small{color:#78817d;font-size:11px}.empty-thread{text-align:center;color:#7a837f;padding:24px;font-size:13px}.editor-panel{padding:22px;overflow-y:auto}.preview-panel{border-left:1px solid var(--border-subtle);background:#e8e5dc;flex-direction:column;padding:20px;display:flex;overflow-y:auto}.preview-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.preview-head span{color:#68726d;font-size:12px;font-weight:700}.preview-mode-switch{background:#dcd8cd;border-radius:8px;gap:4px;padding:3px;display:flex}.mode-tab-btn{color:#555e59;cursor:pointer;background:0 0;border:0;border-radius:6px;align-items:center;gap:4px;padding:4px 8px;font-size:11px;font-weight:700;transition:all .15s;display:flex}.mode-tab-btn.active{color:var(--header-bg);background:#fff;box-shadow:0 1px 3px #0000001a}.flutter-server-bar{align-items:center;gap:6px;margin-bottom:12px;display:flex}.flutter-url-input{background:#fff;border:1px solid #d7d2c8;border-radius:6px;padding:6px 10px;font-size:11px}.btn-icon{justify-content:center;align-items:center;padding:6px;display:flex}.phone{background:#0f172a;border:9px solid #17211e;border-radius:36px;flex-direction:column;width:290px;height:580px;margin:0 auto;display:flex;position:relative;overflow:hidden;box-shadow:0 20px 50px #1d2d2740}.flutter-iframe{background:#fff;border:0;border-radius:26px;width:100%;height:100%}.notch{background:#17211e;border-radius:0 0 14px 14px;flex-shrink:0;width:110px;height:22px;margin:0 auto}.phone-bar{color:#fff;background:0 0;flex-shrink:0;justify-content:space-between;align-items:center;height:44px;padding:6px 16px;display:flex}.phone-bar-title{font-size:14px;font-weight:700}.phone-body{flex-direction:column;flex:1;justify-content:space-between;padding:16px 12px;display:flex;overflow-y:auto}.sim-app-grid{grid-template-columns:repeat(4,1fr);gap:16px 10px;display:grid}.sim-app-icon-wrap{flex-direction:column;align-items:center;gap:4px;display:flex;position:relative}.sim-app-icon{color:#fff;background:linear-gradient(135deg,#1e293b,#0f172a);border:1px solid #ffffff26;border-radius:11px;justify-content:center;align-items:center;width:46px;height:46px;font-size:20px;display:flex;position:relative;overflow:visible;box-shadow:0 4px 10px #0000004d}.sim-app-img{object-fit:cover;border-radius:11px;width:100%;height:100%}.sim-app-badge{color:#fff;background:#ef4444;border:2px solid #0f172a;border-radius:10px;padding:1px 5px;font-size:10px;font-weight:800;position:absolute;top:-4px;right:-4px}.sim-app-label{color:#e2e8f0;text-align:center;font-size:10px;font-weight:500}.sim-phone-dock{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff26;border-radius:24px;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px;padding:10px;display:grid}.raw-json-output{white-space:pre-wrap;color:#cde8db;background:#17211e;border-radius:10px;max-height:200px;margin-top:16px;padding:14px;font-family:Fira Code,monospace;font-size:11px;overflow:auto}.question-card-header{justify-content:space-between;align-items:center;display:flex}.btn-delete{color:#ef4444;cursor:pointer;background:0 0;border:0;padding:4px}.modal-overlay{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:1000;background:#0009;justify-content:center;align-items:center;display:none;position:fixed;inset:0}.modal-overlay.active{display:flex}.modal{background:#fff;border-radius:16px;width:460px;padding:24px;box-shadow:0 20px 40px #0000004d}.modal-title{color:var(--header-bg);margin-bottom:16px;font-size:18px;font-weight:800}.modal-actions{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}