*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0d0d14;--bg2:#0f1420;--bg3:#131928;--surface:#1a2035;--surface2:#1f2640;--border:#243050;--border2:#2d3a60;--accent:#2563eb;--accent-h:#3b82f6;--accent-s:#1d4ed8;--accent-fill:#2563eb24;--text:#e8eaf6;--text2:#8090b8;--text3:#4a5580;--success:#22c55e;--warn:#f59e0b;--danger:#ef4444;--tap-min:44px;--sidebar-w:230px;--radius:10px;--radius-sm:8px;--radius-lg:14px;--font:-apple-system, "Helvetica Neue", sans-serif;touch-action:none}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--font);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;font-size:13px;overflow:hidden}.load-screen{background:var(--bg);z-index:1000;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.load-card{background:var(--bg3);border:1px solid var(--border);text-align:center;border-radius:22px;width:90%;max-width:380px;padding:44px 40px;box-shadow:0 32px 80px #000000a6}.load-logo svg{width:60px;height:60px;margin-bottom:18px}.load-card h1{letter-spacing:-.4px;color:var(--text);font-size:24px;font-weight:700}.load-subtitle{color:var(--text2);margin:8px 0 32px;font-size:14px;line-height:1.6}.load-options{flex-direction:column;gap:12px;display:flex}.load-btn{border-radius:var(--radius);cursor:pointer;font-size:16px;font-weight:600;font-family:var(--font);min-height:var(--tap-min);border:none;justify-content:center;align-items:center;gap:10px;padding:16px 22px;transition:opacity .15s,transform .1s;display:flex}.load-btn:active{opacity:.75;transform:scale(.98)}.load-btn.primary{background:var(--accent);color:#fff}.load-btn.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.load-btn svg{width:20px;height:20px}.load-version-bar{color:var(--text3);justify-content:center;align-items:center;gap:8px;margin-top:22px;font-size:12px;display:flex}.load-version-btn{color:var(--accent-h);cursor:pointer;font-size:12px;font-family:var(--font);background:0 0;border:none;padding:0;text-decoration:underline}.load-progress{margin-top:24px}.progress-bar{background:var(--border);border-radius:2px;height:4px;overflow:hidden}.progress-fill{background:var(--accent);border-radius:2px;width:0%;height:100%;transition:width .2s}.load-progress p{color:var(--text2);margin-top:8px;font-size:12px}.app{flex-direction:row;display:flex;position:fixed;inset:0;overflow:hidden}.hidden{display:none!important}.sidebar{width:var(--sidebar-w);background:var(--bg2);border-right:1px solid var(--border);z-index:10;flex-direction:column;flex-shrink:0;display:flex;position:relative;overflow:hidden}.sb-section{border-bottom:1px solid var(--border);flex-shrink:0;padding:8px 10px}.sb-section.labels-section{flex-direction:column;flex:1;padding-bottom:0;display:flex;overflow:hidden}.sb-section.footer-section{border-bottom:none;padding:8px 10px}.file-nav{align-items:center;gap:6px;display:flex}.nav-btn{width:var(--tap-min);height:var(--tap-min);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s;display:flex}.nav-btn:active{background:var(--accent);border-color:var(--accent)}.nav-btn svg{width:20px;height:20px}.file-info{text-align:center;flex:1;min-width:0;padding:0 2px}.file-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:11px;font-weight:600;overflow:hidden}.file-counter{color:var(--text2);margin-top:1px;font-size:10px}.action-row{align-items:stretch;gap:6px;display:flex}.act-btn{min-height:var(--tap-min);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text2);cursor:pointer;font-size:10px;font-weight:600;font-family:var(--font);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding:6px 4px;line-height:1.1;transition:all .15s;display:flex}.act-btn svg{flex-shrink:0;width:18px;height:18px}.act-btn:active{opacity:.7}.act-btn.confirm-btn:active{border-color:var(--success);color:var(--success);background:#22c55e26}.act-btn.confirmed{border-color:var(--success);color:var(--success);background:#22c55e1f}.act-btn.mode-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.act-btn.expand-btn{background:var(--bg3);border-color:var(--border);color:var(--text3);flex:0 0 36px}.act-btn.expand-btn.open{background:var(--accent);border-color:var(--accent);color:#fff}.act-btn.expand-btn svg{width:15px;height:15px}.view-row{align-items:stretch;gap:6px;display:flex}.view-btn{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);min-height:40px;color:var(--text2);cursor:pointer;font-size:11px;font-weight:600;font-family:var(--font);flex:1;justify-content:center;align-items:center;gap:4px;transition:all .15s;display:flex}.view-btn svg{width:14px;height:14px}.view-btn:active{background:var(--accent);border-color:var(--accent);color:#fff}.view-btn.expand-btn{background:var(--bg3);color:var(--text3);flex:0 0 36px}.view-btn.expand-btn.open{background:var(--accent);border-color:var(--accent);color:#fff}.labels-header{flex-shrink:0;justify-content:space-between;align-items:center;padding:4px 0 7px;display:flex}.labels-title{letter-spacing:.07em;text-transform:uppercase;color:var(--text3);font-size:10px;font-weight:700}.labels-actions{gap:4px;display:flex}.icon-btn{border:1px solid var(--border);border-radius:var(--radius-sm);width:30px;height:30px;color:var(--text2);cursor:pointer;background:0 0;justify-content:center;align-items:center;transition:background .15s,color 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0;flex-shrink:0;width:34px;height:34px;padding:2px}.small-btn{border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:600;font-family:var(--font);border:none;flex:1;min-height:36px;padding:8px}.confirm-add-btn{background:var(--accent);color:#fff}.cancel-btn{background:var(--surface);color:var(--text2);border:1px solid var(--border)}.sb-footer{align-items:center;gap:8px;display:flex}.app-brand{flex:1;align-items:center;gap:7px;min-width:0;display:flex}.brand-logo svg{flex-shrink:0;width:24px;height:24px}.brand-name{color:var(--text);letter-spacing:-.2px;font-size:14px;font-weight:700}.canvas-area{background:var(--bg);flex:1;position:relative;overflow:hidden}.canvas-wrapper{transform-origin:0 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16px)}.settings-panel{flex-direction:row;height:100%;display:flex;overflow:hidden}.settings-nav{background:var(--bg3);border-right:1px solid var(--border);-webkit-overflow-scrolling:touch;flex-direction:column;flex-shrink:0;width:148px;padding:8px 0;display:flex;overflow-y:auto}.settings-nav-item{min-height:var(--tap-min);cursor:pointer;color:var(--text2);font-size:13px;font-weight:500;font-family:var(--font);text-align:left;background:0 0;border:none;border-radius:0;align-items:center;gap:10px;width:100%;padding:0 14px;transition:background .15s,color .15s;display:flex;position:relative}.settings-nav-item svg{opacity:.6;flex-shrink:0;width:18px;height:18px}.settings-nav-item:active{background:var(--surface)}.settings-nav-item.active{background:var(--accent-fill);color:var(--accent-h);font-weight:700}.settings-nav-item.active svg{opacity:1}.settings-nav-item.active:after{content:"";background:var(--accent);border-radius:2px 0 0 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var(--border);border-radius:var(--radius-sm);color:var(--text);cursor:pointer;font-size:14px;font-weight:600;font-family:var(--font);text-align:left;align-items:center;gap:12px;padding:0 14px;transition:background .15s,border-color .15s;display:flex}.settings-action-btn svg{width:18px;height:18px;color:var(--text2);flex-shrink:0}.settings-action-btn:active{background:var(--surface2);border-color:var(--border2)}.settings-action-btn.danger,.settings-action-btn.danger svg{color:var(--danger)}.settings-action-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.settings-action-btn.primary svg{color:#fffc}.settings-action-btn.primary:active{background:var(--accent-s);border-color:var(--accent-s)}.settings-toggle-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;min-height:44px;padding:0 14px;display:flex}.settings-toggle-label{flex-direction:column;flex:1;gap:2px;display:flex}.settings-toggle-label .tl-name{color:var(--text);font-size:13px;font-weight:600}.settings-toggle-label .tl-desc{color:var(--text3);font-size:11px}.ios-toggle{cursor:pointer;flex-shrink:0;width:42px;height:26px;position:relative}.ios-toggle input{opacity:0;width:0;height:0}.ios-toggle-track{background:var(--border2);border-radius:13px;transition:background .2s;position:absolute;inset:0}.ios-toggle-thumb{background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .2s cubic-bezier(.4,0,.2,1);position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0006}.ios-toggle input:checked~.ios-toggle-track{background:var(--success)}.ios-toggle input:checked~.ios-toggle-thumb{transform:translate(16px)}.settings-segment{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);gap:2px;padding:3px;display:flex;overflow:hidden}.segment-option{min-height:34px;color:var(--text2);cursor:pointer;font-size:12px;font-weight:600;font-family:var(--font);background:0 0;border:none;border-radius:6px;flex:1;justify-content:center;align-items:center;transition:background .15s,color .15s;display:flex}.segment-option.active{background:var(--surface2);color:var(--text)}.settings-info-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;min-height:40px;padding:0 14px;display:flex}.sir-label{color:var(--text2);font-size:13px}.sir-value{color:var(--text);font-size:13px;font-weight:600}.settings-desc{color:var(--text3);padding:0 4px;font-size:11px;line-height:1.6}.modal-overlay{z-index:1100;background:#000000a6;justify-content:center;align-items:center;padding:20px;display:none;position:fixed;inset:0}.modal-overlay.open{display:flex}.modal-card{background:var(--bg2);border:1px solid var(--border);border-radius:18px;flex-direction:column;width:100%;max-width:640px;max-height:80vh;display:flex;overflow:hidden;box-shadow:0 24px 80px #000000b3}.modal-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:18px 22px 14px;display:flex}.modal-title{color:var(--text);font-size:16px;font-weight:700}.modal-close{background:var(--surface);width:30px;height:30px;color:var(--text2);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:18px;display:flex}.modal-close:active{background:var(--border)}.modal-body{-webkit-overflow-scrolling:touch;flex:1;padding:22px 26px;overflow-y:auto}.md-content{color:var(--text);-webkit-user-select:text;user-select:text;font-size:14px;line-height:1.7}.md-content h1{color:var(--text);border-bottom:1px solid var(--border);margin-top:0;margin-bottom:14px;padding-bottom:8px;font-size:22px;font-weight:700}.md-content h2{color:var(--text);border-bottom:1px solid var(--border);margin-top:20px;margin-bottom:10px;padding-bottom:6px;font-size:18px;font-weight:700}.md-content h3{color:var(--text);margin-top:16px;margin-bottom:8px;font-size:15px;font-weight:700}.md-content p{margin-bottom:10px}.md-content ul,.md-content ol{margin-bottom:10px;padding-left:20px}.md-content li{margin-bottom:4px}.md-content code{background:var(--surface);border:1px solid var(--border);color:var(--accent-h);border-radius:4px;padding:1px 5px;font-family:SFMono-Regular,Consolas,monospace;font-size:12px}.md-content pre{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:10px;padding:12px;overflow-x:auto}.md-content pre code{color:var(--text);background:0 0;border:none;padding:0;font-size:12px}.md-content a{color:var(--accent-h);text-decoration:underline}.md-content strong{color:var(--text);font-weight:700}.md-content hr{border:none;border-top:1px solid var(--border);margin:16px 0}.md-content blockquote{border-left:3px solid var(--accent);color:var(--text2);margin:0 0 10px;padding-left:12px}.md-older-link{border-top:1px solid var(--border);color:var(--text2);margin-top:16px;padding-top:12px;font-size:12px}.md-older-link a{color:var(--accent-h)}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.session-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);flex-direction:column;gap:6px;margin-bottom:8px;padding:10px 12px;display:flex}.session-card--current{border-color:var(--accent);background:var(--accent-fill)}.session-card-header{align-items:center;gap:7px;min-width:0;display:flex}.session-type-icon{flex-shrink:0;font-size:15px;line-height:1}.session-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:13px;font-weight:600;overflow:hidden}.session-badge{letter-spacing:.03em;border:1px solid;border-radius:999px;flex-shrink:0;padding:2px 7px;font-size:10px;font-weight:700}.session-date{color:var(--text3);padding-left:22px;font-size:10px}.session-actions{border-top:1px solid var(--border);flex-direction:column;gap:4px;padding-top:4px;display:flex}.session-action-btn{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;min-height:34px;color:var(--text2);cursor:pointer;font-size:12px;font-weight:600;font-family:var(--font);text-align:left;align-items:center;gap:7px;padding:0 10px;transition:background .15s,color .15s,border-color .15s;display:flex}.session-action-btn:active{background:var(--surface2);color:var(--text)}.session-action-btn svg{opacity:.7;flex-shrink:0}.session-action-btn--danger{color:var(--danger);border-color:#ef44444d}.session-action-btn--danger svg{opacity:1;color:var(--danger)}.session-action-btn--danger:active{border-color:var(--danger);background:#ef44441a}