*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f5f5f5;--surface:#fff;--border:#e2e2e2;--text:#1a1a1a;--text-muted:#6b7280;--accent:#4f46e5;--accent-hover:#4338ca;--error:#dc2626;--radius:8px;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}#root{min-height:100vh}.auth-wrapper{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);width:100%;max-width:380px;padding:40px 36px}.auth-title{color:var(--text);margin-bottom:4px;font-size:22px;font-weight:700}.auth-subtitle{color:var(--text-muted);margin-bottom:28px;font-size:14px}.auth-form{flex-direction:column;gap:16px;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field label{color:var(--text);font-size:13px;font-weight:500}.field input{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:var(--surface);outline:none;padding:9px 12px;font-size:14px;transition:border-color .15s}.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4f46e51a}.auth-error{color:var(--error);border-radius:var(--radius);background:#dc26260f;padding:8px 12px;font-size:13px}.btn-primary{background:var(--accent);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;padding:10px 16px;font-size:14px;font-weight:500;transition:background .15s}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:0 0;padding:7px 14px;font-size:13px;transition:background .15s,color .15s}.btn-ghost:hover{background:var(--bg);color:var(--text)}.dashboard-wrapper{flex-direction:column;height:100vh;display:flex;overflow:hidden}.dashboard-header{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex}.dashboard-logo{color:var(--text);font-size:16px;font-weight:700}.dashboard-user{align-items:center;gap:12px;display:flex}.dashboard-user span{color:var(--text-muted);font-size:13px}.dashboard-main{flex:1;width:100%;max-width:900px;margin:0 auto;padding:48px 32px}.dashboard-main h2{margin-bottom:8px;font-size:24px;font-weight:600}.muted{color:var(--text-muted);font-size:14px}.merchant-layout{flex:1;display:flex;overflow:hidden}.merchant-sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:240px;display:flex;overflow-y:auto}.sidebar-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 16px 12px;display:flex}.sidebar-header h3{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:13px;font-weight:600}.btn-sm{padding:4px 8px;font-size:13px}.sidebar-msg{padding:12px 16px}.merchant-list{padding:8px 0;list-style:none}.merchant-item{cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:9px 16px;transition:background .12s;display:flex}.merchant-item:hover{background:var(--bg)}.merchant-item.active{background:#4f46e514}.merchant-name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.badge{color:#16a34a;background:#22c55e1f;border-radius:4px;flex-shrink:0;padding:2px 6px;font-size:11px;font-weight:500}.badge-off{color:var(--text-muted);background:#6b72801f}.merchant-detail{flex:1;padding:32px 40px;overflow-y:auto}.detail-empty{justify-content:center;align-items:center;height:100%;display:flex}.merchant-form{max-width:720px}.form-header{margin-bottom:28px}.form-header h2{font-size:22px;font-weight:600}.form-grid{grid-template-columns:1fr 1fr;gap:16px 24px;margin-bottom:16px;display:grid}.field textarea{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:var(--surface);resize:vertical;outline:none;width:100%;padding:9px 12px;font-family:inherit;font-size:14px;transition:border-color .15s}.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4f46e51a}.field-checkbox{margin-bottom:16px}.checkbox-label{cursor:pointer;align-items:center;gap:8px;font-size:14px;display:flex}.checkbox-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.field-full{margin-bottom:24px}.form-footer{align-items:center;gap:16px;display:flex}.save-ok{color:#16a34a;font-size:13px}.error-msg{color:var(--error);font-size:13px}.kb-section{border-top:1px solid var(--border);max-width:720px;margin-top:48px;padding-top:32px}.kb-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.kb-header h3{font-size:17px;font-weight:600}.kb-empty{margin-bottom:8px}.kb-list{flex-direction:column;gap:16px;display:flex}.kb-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.kb-card-row{align-items:flex-end;gap:16px;margin-bottom:14px;display:flex}.kb-field-title{flex:1}.kb-field-order{flex-shrink:0;width:80px}.kb-field-order input{width:100%}.kb-field-active{flex-shrink:0;padding-bottom:2px}.kb-card-footer{justify-content:space-between;align-items:center;gap:12px;margin-top:14px;display:flex}.kb-card-actions{gap:8px;margin-left:auto;display:flex}.btn-danger-ghost{color:var(--error);border-radius:var(--radius);cursor:pointer;background:0 0;border:1px solid #dc26264d;padding:7px 14px;font-size:13px;transition:background .15s,border-color .15s}.btn-danger-ghost:hover{border-color:var(--error);background:#dc26260f}.mv-page{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.mv-header{background:var(--surface);border-bottom:1px solid var(--border);z-index:10;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex;position:sticky;top:0}.mv-header-name{color:var(--text);font-size:16px;font-weight:700}.mv-scroll{flex:1;padding:40px 24px 80px;overflow-y:auto}.mv-form{max-width:640px;margin:0 auto}.mv-page-title{color:var(--text);margin-bottom:28px;font-size:22px;font-weight:700}.mv-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:24px}.mv-section-title{align-items:center;gap:8px;margin-bottom:16px;font-size:15px;font-weight:600;display:flex}.mv-optional{color:var(--text-muted);background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:2px 6px;font-size:11px;font-weight:500}.mv-note{color:var(--text-muted);margin-bottom:16px;font-size:13px;line-height:1.5}.tone-select{border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);background:var(--surface);cursor:pointer;appearance:auto;outline:none;padding:9px 12px;font-family:inherit;font-size:14px;transition:border-color .15s}.tone-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4f46e51a}.tone-preview{border-radius:var(--radius);background:#4f46e50a;border:1px solid #4f46e526;margin-top:12px;padding:14px 16px}.tone-desc{color:var(--text);margin-bottom:10px;font-size:13px;line-height:1.5}.tone-examples{flex-direction:column;gap:6px;list-style:none;display:flex}.tone-examples li{color:var(--text-muted);border-left:2px solid #4f46e54d;padding-left:12px;font-size:13px;font-style:italic}.mv-save-row{align-items:center;gap:16px;margin-bottom:40px;display:flex}.mv-kb-block{margin-top:0}.suggested-kb{border-top:1px solid var(--border);margin-top:24px;padding-top:20px}.suggested-kb-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:10px;font-size:12px;font-weight:600}.suggested-kb-chips{flex-wrap:wrap;gap:8px;display:flex}.suggested-chip{background:var(--surface);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:20px;padding:6px 14px;font-size:13px;transition:background .12s,border-color .12s,color .12s}.suggested-chip:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:#4f46e50f}.suggested-chip:disabled{opacity:.5;cursor:not-allowed}.custom-kb-add{margin-top:12px}.custom-kb-row{align-items:center;gap:8px;display:flex}.custom-kb-input{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:var(--surface);outline:none;flex:1;padding:9px 12px;font-family:inherit;font-size:14px;transition:border-color .15s}.custom-kb-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4f46e51a}.mv-empty-wrapper{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.mv-empty-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;width:100%;max-width:400px;padding:48px 40px}.mv-empty-icon{margin-bottom:16px;font-size:40px}.mv-empty-card h2{margin-bottom:8px;font-size:18px;font-weight:600}.loading{min-height:100vh;color:var(--text-muted);justify-content:center;align-items:center;font-size:14px;display:flex}