:root{--navy:#0b1131;--navy-mid:#152050;--orange:#c85a27;--orange-h:#dd703d;--orange-lt:#f4844f;--orange-bg:rgba(200,90,39,0.07);--up:#e74c3c;--up-lt:#fdecea;--down:#3498db;--down-lt:#eaf4fd;--gray-light:#f5f5f7;--gray-mid:#dee2e6;--gray-dark:#6c757d;--text:#212529;--white:#ffffff;--radius:6px;--radius-lg:12px;--panel-bg:#f8f9fb;--border:#e0e3e8;--shadow-sm:0 1px 3px rgba(0,0,0,0.08);--shadow-md:0 4px 16px rgba(0,0,0,0.12)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;font-size:14px;color:var(--text);background:var(--gray-light)}a{color:var(--orange);text-decoration:none}a:hover{text-decoration:underline}#navbar{display:flex;align-items:center;height:52px;padding:0 20px;background:var(--navy);color:var(--white);flex-shrink:0;gap:8px;z-index:10}.nav-logo{font-weight:700;font-size:15px;color:var(--white);letter-spacing:-0.3px;text-decoration:none}.nav-logo:hover{color:var(--orange-lt);text-decoration:none}.nav-breadcrumb{display:flex;align-items:center;gap:4px;font-size:13px;color:rgba(255,255,255,0.55)}.nav-breadcrumb a{color:rgba(255,255,255,0.7)}.nav-breadcrumb a:hover{color:var(--white);text-decoration:none}.nav-breadcrumb .sep{color:rgba(255,255,255,0.3)}.nav-breadcrumb .current{color:rgba(255,255,255,0.9)}.nav-spacer{flex:1}.nav-badge{background:var(--orange);color:var(--white);font-size:11px;font-weight:600;padding:2px 8px;border-radius:20px}#footer{display:flex;align-items:center;height:38px;padding:0 16px;background:var(--navy);border-top:2px solid var(--orange);color:rgba(255,255,255,0.6);font-size:11px;gap:10px;flex-shrink:0}#status{flex:1;color:rgba(255,255,255,0.7);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#footer-center{display:flex;align-items:center}.ftr-cite-btn{background:none;border:1px solid rgba(255,255,255,0.25);border-radius:var(--radius);color:rgba(255,255,255,0.65);font-size:11px;padding:3px 10px;cursor:pointer;transition:all 0.15s}.ftr-cite-btn:hover{border-color:var(--orange-lt);color:var(--orange-lt)}.ftr-cite-btn.primary{background:var(--orange);border-color:var(--orange);color:var(--white);font-weight:600}.ftr-cite-btn.primary:hover{background:var(--orange-h);border-color:var(--orange-h);color:var(--white)}#footer-copy{font-size:11px;color:rgba(255,255,255,0.4);white-space:nowrap}#footer-copy a{color:rgba(255,255,255,0.55)}#footer-copy a:hover{color:var(--orange-lt)}.tb-btn{padding:5px 10px;font-size:12px;font-weight:500;border:1px solid var(--border);border-radius:var(--radius);background:var(--white);color:var(--text);cursor:pointer;white-space:nowrap;transition:all 0.13s;line-height:1.3}.tb-btn:hover{border-color:var(--orange);color:var(--orange)}.tb-btn.active{background:var(--orange-bg);border-color:var(--orange);color:var(--orange);font-weight:600}.tb-btn.primary{background:var(--orange);border-color:var(--orange);color:var(--white);font-weight:600}.tb-btn.primary:hover{background:var(--orange-h);border-color:var(--orange-h)}.tb-btn.demo{background:var(--white);border-color:var(--orange);color:var(--orange);font-weight:600}.tb-btn.demo:hover{background:var(--orange);color:var(--white)}.tb-btn.demo:hover .action-icon{filter:brightness(0) invert(1)}.tb-btn.reset{background:var(--white);border-color:var(--gray-mid);color:var(--gray-dark)}.tb-btn.reset:hover{border-color:#c0392b;color:#c0392b}.tb-btn.flashed{background:#e8f5e9;border-color:#4caf50;color:#2e7d32}.tb-btn.small{font-size:11px;padding:3px 8px}.tb-group{display:flex;align-items:center;gap:3px}.tb-sep{width:1px;height:20px;background:var(--border);margin:0 2px}.tb-spacer{flex:1}.tb-label{font-size:11px;color:var(--gray-dark);margin-right:2px}.tb-select{font-size:12px;padding:4px 6px;border:1px solid var(--border);border-radius:var(--radius);background:var(--white);color:var(--text);cursor:pointer}#toast{position:fixed;bottom:60px;left:50%;transform:translateX(-50%) translateY(10px);background:#333;color:#fff;font-size:13px;padding:8px 18px;border-radius:20px;box-shadow:var(--shadow-md);z-index:200;opacity:0;transition:opacity 0.2s,transform 0.2s;pointer-events:none}#toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}#toast.toast-warn{background:#e6820a}#toast.toast-error{background:#c0392b}#toast.toast-info{background:#1a6fa8}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}.modal-box{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);min-width:360px;max-width:640px;width:100%;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}.modal-header{display:flex;align-items:center;padding:14px 18px 12px;border-bottom:1px solid var(--border);font-size:14px}.modal-header strong{flex:1}.modal-header .modal-close{background:none;border:none;cursor:pointer;font-size:18px;color:var(--gray-dark);padding:0 4px;line-height:1}.modal-header .modal-close:hover{color:var(--text)}.modal-body{padding:16px 18px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:10px}.modal-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--border)}.modal-box .tb-btn{font-size:12px;line-height:1.3}.modal-text{font-size:13px;line-height:1.5}.cite-block{background:var(--gray-light);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;font-size:12px;line-height:1.6;color:var(--text);word-break:break-word;white-space:pre-wrap}.export-options{display:flex;flex-direction:column;gap:6px}.export-opt{text-align:left;justify-content:flex-start;padding:8px 12px}.help-body{gap:6px}.help-body h4{font-size:13px;font-weight:700;color:var(--navy);margin-top:6px}.help-body p{font-size:13px;line-height:1.55}.modal-body.help-body .help-section{display:flex;flex-direction:column;gap:8px;margin:0;padding:0}.modal-body.help-body .help-step{font-size:13px;line-height:1.55;color:var(--text)}.modal-body.help-body .help-tip{margin:2px 0 0;padding:9px 12px;border-radius:var(--radius);border:1px solid rgba(200,90,39,0.25);background:var(--orange-bg);font-size:13px;line-height:1.5}.hidden{display:none!important}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#aaa}