:root{--bg: #f5f6f8;--card: #ffffff;--border: #e2e5ea;--text: #1f2430;--muted: #6b7280;--primary: #4f46e5;--primary-dark: #4338ca;--danger: #dc2626}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.container{max-width:760px;margin:0 auto;padding:32px 20px 80px}h1{font-size:1.8rem;margin:.2em 0}.subtitle{color:var(--muted);margin-top:0}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin:16px 0}input[type=text],input[type=number],textarea,select,.title-input,.question-text,input:not([type]){width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff;color:var(--text)}textarea{resize:vertical}.title-input{font-size:1.2rem;font-weight:600;margin-bottom:10px}button{padding:10px 16px;border:1px solid var(--border);background:#fff;border-radius:8px;font:inherit;cursor:pointer;transition:background .15s}button:hover{background:#f0f1f4}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--primary);color:#fff;border-color:var(--primary)}button.primary:hover{background:var(--primary-dark)}button.danger{color:var(--danger);border:none;background:transparent;padding:4px 8px}button.ghost{background:transparent;border:1px dashed var(--border);color:var(--primary)}.file-drop{display:block;border:2px dashed var(--border);border-radius:10px;padding:28px;text-align:center;color:var(--muted);cursor:pointer;margin-bottom:16px}.file-drop input{display:none}.file-drop.dragging{border-color:var(--primary);background:#eef2ff;color:var(--primary)}.lang-switcher{display:flex;gap:4px;justify-content:flex-end;margin-bottom:8px}.lang-switcher button{padding:4px 12px;font-size:.85rem}.lang-switcher button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.error{color:var(--danger)}.status{color:var(--muted);margin-left:12px}.back{color:var(--muted);text-decoration:none;font-size:.9rem}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.badge{background:#eef2ff;color:var(--primary);padding:2px 10px;border-radius:999px;font-size:.8rem}.question-actions button{padding:4px 10px;margin-left:4px}.row{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:12px}.row label{display:flex;flex-direction:column;gap:4px;font-size:.9rem}.checkbox{flex-direction:row!important;align-items:center;gap:6px}.likert-config label{flex:1;min-width:120px}.options{margin-top:12px;display:flex;flex-direction:column;gap:8px}.option-row{display:flex;gap:8px;align-items:center}.suggestion{display:flex;gap:10px;margin-top:12px;padding:10px 12px;background:#fffbeb;border:1px solid #fde68a;border-radius:8px}.suggestion-icon{font-size:1.1rem;line-height:1.4}.suggestion-body{flex:1}.suggestion-issue{margin:0 0 8px;font-size:.9rem}.suggestion-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.suggestion-actions button{padding:6px 12px;font-size:.85rem}.suggestion-applied{color:var(--muted);font-size:.85rem}.study-banner{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:12px 0;padding:10px 14px;background:#eef2ff;border:1px solid #c7d2fe;border-radius:8px;font-size:.9rem}.study-banner code{background:#fff;padding:2px 8px;border-radius:6px;border:1px solid var(--border)}.study-hint{color:var(--muted)}.modal-overlay{position:fixed;inset:0;background:#0f141e80;display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}.modal{background:var(--card);border-radius:12px;padding:28px;max-width:420px;text-align:center;box-shadow:0 12px 40px #00000040}.modal p{margin:0 0 12px}.modal-title{font-weight:600;font-size:1.1rem}.modal button{margin-top:8px}.toolbar{display:flex;gap:10px;align-items:center;margin-top:20px}.hint{color:var(--muted);font-size:.9rem;margin-top:8px;max-width:640px}.delete-version{margin-top:24px}.q-label{font-weight:600}.req{color:var(--danger)}.choice{display:flex;align-items:center;gap:8px;padding:4px 0}.choice input{width:auto}.download-csv{margin-left:auto}.table-wrap{overflow-x:auto;margin-top:20px}.result-table{border-collapse:collapse;font-size:.9rem}.result-table th,.result-table td{border:1px solid var(--border);padding:6px 10px;text-align:left;vertical-align:top;white-space:nowrap}.result-table th{background:#f8fafc;font-weight:600}.result-list{list-style:none;padding:0;margin:10px 0 0;display:flex;flex-direction:column;gap:6px}.result-list li{display:flex;justify-content:space-between;gap:16px}.result-list.open li{display:block;border-left:3px solid var(--border);padding-left:10px;color:var(--text)}.likert{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.likert-point{display:flex;flex-direction:column;align-items:center;font-size:.85rem}.likert-point input{width:auto}.likert-label{color:var(--muted);font-size:.85rem;max-width:120px}