:root{--blue:#0b84d8;--blue-light:#e9f3fd;--gold:#f4b400;--gold-light:#fff8df;--deep:#233248;--purple:#4b2e83;--teal:#0f766e;--bg:#f3f6fa;--surface:#fff;--line:#e2e8f0;--text:#1e293b;--muted:#64748b;--success:#16a34a;--success-light:#dcfce7;--warn:#d97706;--warn-light:#fef3cd;--danger:#dc2626;--danger-light:#fee2e2;--radius:10px;--radius-lg:16px}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}.app-shell{flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--deep);color:#fff;flex-shrink:0;align-items:center;gap:16px;height:56px;padding:0 24px;display:flex}.app-header h1{letter-spacing:.3px;font-size:16px;font-weight:600}.app-header .logo-dot{background:var(--blue);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;display:flex}.app-header nav{gap:12px;margin-left:auto;display:flex}.app-header nav a{color:#ffffffb3;border-radius:6px;padding:6px 12px;font-size:13px;font-weight:500;text-decoration:none;transition:all .15s}.app-header nav a:hover,.app-header nav a.active{color:#fff;background:#ffffff1f}.app-content{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:24px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px}.card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.card-header h2{font-size:18px;font-weight:600}.card-header h3{font-size:15px;font-weight:600}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#0972be}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--line)}.btn-secondary:hover{background:var(--bg)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#15803d}.btn-danger{color:var(--danger);border:1px solid var(--danger);background:0 0}.btn-danger:hover{background:var(--danger-light)}.btn-sm{padding:5px 10px;font-size:12px}.btn-lg{padding:10px 24px;font-size:15px}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:16px}.form-group label{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:12px;font-weight:600;display:block}.form-input,.form-select,.form-textarea{border:1px solid var(--line);width:100%;color:var(--text);background:var(--surface);border-radius:8px;padding:8px 12px;font-family:inherit;font-size:14px;transition:border-color .15s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px 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10px;font-size:11px;font-weight:700;display:inline-flex}.badge-draft{background:var(--blue-light);color:var(--blue)}.badge-generated{background:var(--success-light);color:var(--success)}.badge-exported{background:var(--gold-light);color:#92600a}.badge-good{background:var(--blue-light);color:var(--blue)}.badge-better{background:var(--gold-light);color:#92600a}.badge-best{color:var(--purple);background:#f0e6ff}.badge-recommended{background:var(--gold-light);color:#92600a}.badge-confidence-high{background:var(--success-light);color:var(--success)}.badge-confidence-medium{background:var(--warn-light);color:var(--warn)}.badge-confidence-low{background:var(--danger-light);color:var(--danger)}.data-table{border-collapse:collapse;width:100%}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--line);padding:10px 12px;font-size:13px}.data-table th{color:var(--muted);text-transform:uppercase;letter-spacing:.3px;font-size:11px;font-weight:600}.data-table 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var(--line);border-radius:var(--radius-lg);padding:12px;overflow-y:auto}.workspace-nav a{color:var(--text);border-radius:8px;margin-bottom:2px;padding:8px 12px;font-size:13px;text-decoration:none;display:block}.workspace-nav a:hover{background:var(--bg)}.workspace-nav a.active{background:var(--blue-light);color:var(--blue);font-weight:600}.workspace-preview{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);flex-direction:column;display:flex;overflow:hidden}.workspace-preview-header{border-bottom:1px solid var(--line);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.workspace-preview iframe{border:none;flex:1;width:100%}.workspace-editor{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px;overflow-y:auto}.alert{border-radius:var(--radius);margin-bottom:12px;padding:12px 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