:root{--chrome-bg:#ece9d8;--chrome-border-light:#fff;--chrome-border-dark:#808080;--chrome-border-darker:#404040;--panel-bg:#f5f4ef;--title-start:#3a6ea5;--title-end:#1f4172;--accent:#316ac5;--accent-hover:#2a5aab;--text:#1a1a1a;--text-muted:#5a5a5a;--error:#8b0000;--success:#006400;--table-stripe:#f7f6f2;--table-header:#d8e4f8;--shadow:0 2px 8px rgba(0,0,0,0.18)}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{font-family:Tahoma,Segoe UI,"MS Sans Serif",Arial,sans-serif;font-size:13px;line-height:1.45;color:var(--text);background:linear-gradient(180deg,#d6d3ce 0,var(--chrome-bg) 100%)}.app-shell{min-height:100vh;padding:16px}.app-window{max-width:880px;margin:0 auto;border:1px solid var(--accent);background:var(--chrome-bg);box-shadow:var(--shadow)}.app-titlebar{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;background:linear-gradient(180deg,var(--title-start) 0,var(--title-end) 100%);color:#fff;font-weight:700;font-size:13px;letter-spacing:.02em}.app-titlebar-badge{font-size:11px;font-weight:400;opacity:.9;padding:1px 6px;border:1px solid rgba(255,255,255,.35);background:rgba(0,0,0,.12)}.app-menubar{display:flex;align-items:center;gap:4px;padding:4px 8px;border-bottom:1px solid var(--chrome-border-dark);background:linear-gradient(180deg,#faf9f6 0,var(--chrome-bg) 100%)}.app-menubar a{color:var(--text);text-decoration:none;padding:4px 10px;border:1px solid transparent;border-radius:2px}.app-menubar a:hover{border-color:var(--chrome-border-dark);background:#fff}.app-menubar-sep{width:1px;height:18px;margin:0 4px;background:var(--chrome-border-dark)}.app-content{padding:14px;min-height:320px}.app-footer{display:flex;align-items:center;justify-content:space-between;padding:4px 8px;border-top:1px solid var(--chrome-border-dark);background:var(--chrome-bg);font-size:12px;color:var(--text-muted)}.panel{border:1px solid var(--chrome-border-dark);background:var(--panel-bg);padding:14px 16px}.panel-title{margin:0 0 12px;font-size:15px;font-weight:700;color:var(--title-end)}.panel-intro{margin:0 0 14px;color:var(--text-muted)}.form-row{margin-bottom:10px}label{display:block;margin-bottom:4px;font-weight:600}input[type=email],input[type=password],input[type=text],select,textarea{width:100%;max-width:420px;padding:5px 8px;border:1px solid var(--chrome-border-dark);border-radius:2px;background:#fff;font:inherit;box-shadow:inset 1px 1px 2px rgba(0,0,0,.08)}input:focus,select:focus,textarea:focus{outline:1px solid var(--accent);border-color:var(--accent)}.button-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.button,button{display:inline-block;min-width:104px;padding:5px 14px;border:1px solid var(--chrome-border-dark);border-radius:2px;background:linear-gradient(180deg,#fff,#e8e5de);color:var(--text);font:inherit;cursor:pointer;text-align:center;text-decoration:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}.button:hover,button:hover:not(:disabled){background:linear-gradient(180deg,#fff,#dfe9f7);border-color:var(--accent)}.button:active,button:active:not(:disabled){background:#d8d5ce;box-shadow:inset 1px 1px 2px rgba(0,0,0,.12)}button:disabled{color:#888;cursor:not-allowed}.button.primary,button.primary{border-color:#1f4172;background:linear-gradient(180deg,#5b9bd5 0,var(--accent) 55%,#265a9e 100%);color:#fff;font-weight:600}.button.primary:hover,button.primary:hover:not(:disabled){background:linear-gradient(180deg,#6aa8de 0,var(--accent-hover) 55%,#214f8c 100%)}.status-bar{margin-top:12px;padding:6px 8px;border:1px inset var(--chrome-border-dark);border-radius:2px;background:#fff;min-height:28px}.status-bar.info{color:var(--text)}.status-bar.error{color:var(--error);background:#fff5f5}.status-bar.success{color:var(--success);background:#f5fff5}.hint{margin:8px 0 0;color:var(--text-muted);font-size:12px}.fieldset{border:1px solid var(--chrome-border-dark);border-radius:2px;padding:12px 14px 14px;margin:0;background:#fff}.fieldset legend{padding:0 6px;font-weight:600;color:var(--title-end)}.check-row,.radio-row{display:flex;align-items:center;gap:8px;margin:8px 0;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.check-row input,.radio-row input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;margin:0;border:1px solid var(--chrome-border-darker);background:#fff;box-shadow:inset 1px 1px 1px rgba(0,0,0,.15);flex-shrink:0}.check-row input{border-radius:1px}.radio-row input{border-radius:50%}.check-row input:checked,.radio-row input:checked{background:var(--accent);border-color:#1f4172;box-shadow:inset 0 0 0 2px #fff}.radio-row input:checked{box-shadow:inset 0 0 0 3px #fff}.step-strip{display:flex;gap:2px;margin-bottom:12px;border-bottom:1px solid var(--chrome-border-dark);padding-bottom:0}.step-tab{padding:6px 14px;border:1px solid var(--chrome-border-dark);border-bottom:none;border-radius:3px 3px 0 0;background:linear-gradient(180deg,#f0f0f0,#ddd);color:var(--text-muted);font-size:12px;font-weight:600}.step-tab.active{margin-bottom:-1px;padding-bottom:7px;background:#fff;color:var(--title-end);border-color:var(--chrome-border-dark)}.step-tab.done{color:var(--success)}.data-table-wrap{overflow:auto;border:1px solid var(--chrome-border-dark);background:#fff}.data-table{width:100%;border-collapse:collapse;font-size:12px}.data-table td,.data-table th{padding:6px 10px;border:1px solid #c8c8c8;text-align:left;vertical-align:top}.data-table th{background:linear-gradient(180deg,var(--table-header) 0,#c5d6ef 100%);font-weight:700;white-space:nowrap}.data-table tbody tr:nth-child(2n){background:var(--table-stripe)}.data-table tbody tr:hover{background:#e8f0fc}.data-table td.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.info-list{margin:0 0 14px;padding-left:18px;color:var(--text-muted)}.info-list li{margin-bottom:4px}.app-window:has(.admin-panel),.app-window:has(.chat-panel){max-width:980px}.knowledge-base-notice{margin:2px 0 0;font-size:11px;color:var(--text-muted)}.chat-panel{margin-bottom:0}.chat-toolbar{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:12px}.chat-toolbar .panel-title{margin:0}.chat-user{margin:0;font-size:12px;color:var(--text-muted)}.chat-question{max-width:none;width:100%;min-height:72px;resize:vertical}.cloud-notice{margin-bottom:12px;padding:6px 10px;border:1px solid #c8a000;background:#fffbe6;font-size:12px}.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.chip-button{min-width:auto;padding:3px 10px;font-size:11px}.sample-menu-wrap{position:relative}.sample-menu-trigger{font-weight:700}.sample-menu{position:absolute;top:calc(100% + 4px);left:0;z-index:20;min-width:320px;max-width:min(520px,92vw);max-height:320px;overflow:auto;padding:6px;border:2px outset var(--chrome-border-light);background:var(--chrome-bg);box-shadow:2px 2px 0 rgba(0,0,0,.25)}.sample-menu-group+.sample-menu-group{margin-top:8px;padding-top:6px;border-top:1px solid var(--chrome-border-dark)}.sample-menu-heading{margin:0 0 4px;padding:0 6px;font-size:11px;font-weight:700;color:var(--title-end)}.sample-menu-item{display:block;width:100%;min-width:auto;margin:0;padding:4px 8px;border:1px solid transparent;background:transparent;text-align:left;font-size:11px;line-height:1.35;cursor:pointer}.sample-menu-item:focus-visible,.sample-menu-item:hover{border-color:var(--chrome-border-dark);background:#fff}.chat-result{margin-top:14px}.answer-box{min-height:64px;padding:10px;border:1px inset var(--chrome-border-dark);background:#fff;white-space:pre-wrap;line-height:1.5}.sources-title{margin:14px 0 8px;font-size:13px;font-weight:700;color:var(--title-end)}.muted{color:var(--text-muted)}.admin-panel .admin-actions{display:flex;flex-wrap:wrap;gap:4px}.admin-panel .admin-actions button{font-size:11px;padding:2px 8px}.admin-error-row td{color:var(--error);font-size:12px;background:#fff5f5}.admin-revisions-row>td{background:var(--table-stripe);padding:8px}.admin-revisions-table{margin:0}