:root{--brand-red: #d31e4e;--brand-blue: #1929ea;--brand-dark: #222;--brand-light: #f5f5f5;--brand-bg: #fffdfb;--brand-white: #fff;--brand-yellow: #fcb900;--brand-teal: #29778c;--brand-shadow: 0 2px 12px rgba(0,0,0,.07)}body{margin:0;font-family:Poppins,Helvetica,Arial,sans-serif;background:var(--brand-bg);color:var(--brand-dark);touch-action:manipulation;-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}main{padding:1.5rem .5rem;text-align:center;position:relative;background:var(--brand-bg);min-height:100vh;transition:padding-right .3s ease-out;overflow-x:hidden;-webkit-overflow-scrolling:touch}main.sidebar-open{padding-right:420px}.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;max-width:1200px;margin-left:auto;margin-right:auto}.header h1{font-weight:700;margin:0;font-size:2rem;letter-spacing:.01em;color:var(--brand-dark)}.help-btn{background:var(--brand-red);color:var(--brand-white);border:none;padding:.6rem 1.3rem;border-radius:999px;cursor:pointer;font-size:1rem;font-weight:600;box-shadow:var(--brand-shadow);transition:all .2s;letter-spacing:.01em}.help-btn:hover{background:var(--brand-blue);color:var(--brand-white);transform:translateY(-2px) scale(1.04)}.note{font-size:1rem;opacity:.7;margin-top:1.5rem;color:var(--brand-dark)}canvas{border-radius:12px;box-shadow:var(--brand-shadow);touch-action:pan-x pan-y;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.graph-tooltip{position:absolute;background:var(--brand-white);color:var(--brand-dark);padding:.7rem 1.2rem;border-radius:10px;box-shadow:0 4px 16px #0000002e;border:1.5px solid #eee;font-weight:700;font-size:1.1rem;pointer-events:none;z-index:3000;min-width:120px;text-align:center;letter-spacing:.01em;transform:translate(-50%,-110%)}.controls{background:var(--brand-white);border:1px solid #eee;border-radius:18px;padding:1.2rem 2rem;margin-bottom:2rem;box-shadow:var(--brand-shadow);max-width:1000px;margin-left:auto;margin-right:auto;display:flex;align-items:center;justify-content:center;gap:2rem;flex-wrap:wrap}.control-group{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.toggle-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:1rem;font-weight:500;color:var(--brand-dark)}.toggle-label input[type=checkbox]{width:18px;height:18px;cursor:pointer}.auto-links-info{font-size:.95rem;color:#888;font-style:italic}.layout-label{font-size:1rem;font-weight:600;color:var(--brand-dark);white-space:nowrap}.layout-buttons{display:flex;gap:.5rem}.layout-btn{padding:.5rem 1.2rem;border:1.5px solid var(--brand-light);background:var(--brand-white);color:var(--brand-dark);border-radius:999px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .2s;letter-spacing:.01em}.layout-btn:hover{background:var(--brand-light);border-color:var(--brand-blue);color:var(--brand-blue)}.layout-btn.active{background:var(--brand-red);color:var(--brand-white);border-color:var(--brand-red)}.layout-btn.active:hover{background:var(--brand-blue);border-color:var(--brand-blue)}.personal-links-info{background:#d31e4e14;border:1.5px solid rgba(211,30,78,.18);border-radius:10px;padding:.7rem 1.2rem;margin-bottom:1.5rem;display:flex;align-items:center;justify-content:space-between;max-width:600px;margin-left:auto;margin-right:auto;font-size:1rem;color:var(--brand-red)}.clear-personal-btn{background:var(--brand-red);color:var(--brand-white);border:none;padding:.3rem 1rem;border-radius:999px;cursor:pointer;font-size:.95rem;font-weight:600;transition:all .2s}.clear-personal-btn:hover{background:var(--brand-blue);color:var(--brand-white);transform:translateY(-1px)}.help-modal{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.help-content{background:var(--brand-white);border-radius:18px;padding:2.5rem 2rem 2rem;max-width:800px;max-height:90vh;overflow-y:auto;box-shadow:var(--brand-shadow);position:relative;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.help-content h2{margin:0 0 1.5rem;color:var(--brand-dark);font-size:2rem;border-bottom:2px solid var(--brand-red);padding-bottom:.5rem;font-weight:700}.help-section{margin-bottom:2rem}.help-section h3{margin:0 0 1rem;color:var(--brand-blue);font-size:1.2rem;font-weight:600}.help-section ul,.help-section ol{margin:0 0 1rem;padding-left:1.5rem}.help-section li{margin-bottom:.5rem;line-height:1.5}.help-section p{margin:0 0 1rem;line-height:1.6}.help-content .close-btn{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#888;padding:.25rem;border-radius:4px;transition:background .2s}.help-content .close-btn:hover{background:#f0f0f0;color:var(--brand-red)}.mini-map{position:fixed;bottom:24px;left:24px;width:200px;height:150px;background:var(--brand-white);border:1.5px solid var(--brand-light);border-radius:12px;box-shadow:var(--brand-shadow);z-index:100;overflow:hidden}.mini-map canvas{border-radius:0}.sidebar{position:fixed;top:20vh;bottom:5vh;right:0;width:400px;height:75vh;background:var(--brand-white);padding:2rem 1.5rem 1.5rem;overflow-y:auto;box-shadow:-4px 0 24px #0000001a;z-index:1000;animation:slideIn .3s ease-out;border-top-left-radius:24px;border-bottom-left-radius:24px}@keyframes slideIn{0%{transform:translate(100%)}to{transform:translate(0)}}.close-btn{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#888;padding:.25rem;border-radius:4px;transition:background .2s}.close-btn:hover{background:#f0f0f0;color:var(--brand-red)}.sidebar h2{margin:0 0 1rem;color:var(--brand-dark);font-size:1.5rem;font-weight:700}.node-text{line-height:1.6;margin-bottom:1.5rem;color:#444;white-space:pre-line;font-size:1.05rem}.navigation h3{margin:0 0 .75rem;font-size:1.1rem;color:#888;font-weight:600}.nav-btn{display:block;width:100%;padding:.7rem .6rem;margin:.2rem 0;background:var(--brand-light);border:1.5px solid #eee;border-radius:8px;cursor:pointer;text-align:left;font-size:.95rem;color:var(--brand-dark);font-weight:500;transition:all .2s;min-height:44px;touch-action:manipulation}.nav-btn:hover{background:var(--brand-red);border-color:var(--brand-red);color:var(--brand-white);transform:translate(4px)}.connection-item{display:flex;align-items:center;gap:.5rem;margin:.25rem 0}.connection-item .nav-btn{flex:1;margin:0}.personal-nav-btn{background:#d31e4e14;border-color:#d31e4e2e;color:var(--brand-red)}.personal-nav-btn:hover{background:var(--brand-red);border-color:var(--brand-red);color:var(--brand-white)}.semantic-nav-btn{background:#1929ea14;border-color:#1929ea2e;color:var(--brand-blue)}.semantic-nav-btn:hover{background:var(--brand-blue);border-color:var(--brand-blue);color:var(--brand-white)}.remove-link-btn{background:var(--brand-red);color:var(--brand-white);border:none;width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:1rem;font-weight:700;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.remove-link-btn:hover{background:var(--brand-blue);color:var(--brand-white);transform:scale(1.1)}.brand-node-red{fill:var(--brand-red)}.brand-node-blue{fill:var(--brand-blue)}.brand-node-yellow{fill:var(--brand-yellow)}.brand-node-teal{fill:var(--brand-teal)}.brand-node-dark{fill:var(--brand-dark)}.brand-node-gray{fill:#bbb}.brand-link-manual{stroke:var(--brand-dark)}.brand-link-semantic{stroke:var(--brand-blue);stroke-dasharray:3 3}.brand-link-personal{stroke:var(--brand-red);stroke-dasharray:6 4}.connection-banner{position:fixed;top:24px;left:50%;transform:translate(-50%);background:var(--brand-red);color:var(--brand-white);border-radius:8px;padding:.5rem 1.5rem;font-weight:600;font-size:1.1rem;z-index:3000;box-shadow:0 2px 8px #0000001a}@media (max-width: 700px){main{padding:.5rem;min-height:100vh}main.sidebar-open{padding-right:.5rem;overflow:hidden}.header{flex-direction:column;gap:.5rem;padding:.5rem;margin-bottom:1rem}.header h1{font-size:1.5rem;text-align:center}.help-btn,.quiz-btn{padding:.5rem 1rem;font-size:.9rem;margin:0}.controls{flex-direction:column;gap:1rem;padding:1rem;margin-bottom:1rem;border-radius:12px}.control-group{flex-direction:column;gap:.5rem;width:100%}.toggle-label{justify-content:center;font-size:.95rem}.auto-links-info{text-align:center;font-size:.85rem}.layout-label{text-align:center;margin-bottom:.5rem}.layout-buttons{justify-content:center;width:100%}.layout-btn{flex:1;max-width:120px;padding:.6rem .8rem;font-size:.9rem;min-height:44px;touch-action:manipulation}.note{font-size:.9rem;margin-top:1rem;padding:0 .5rem}.sidebar{position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;border-radius:0;padding:1rem;z-index:2000;background:var(--brand-white);overflow-y:auto;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sidebar h2{font-size:1.3rem;margin-bottom:.8rem;padding-right:2rem}.node-text{font-size:1rem;line-height:1.5;margin-bottom:1.2rem}.navigation h3{font-size:1rem;margin-bottom:.6rem}.nav-btn{padding:.7rem .6rem;font-size:.95rem;margin:.2rem 0}.close-btn{top:.8rem;right:.8rem;font-size:1.3rem;padding:.5rem;background:#0000001a;border-radius:50%;background:var(--brand-red);color:var(--brand-white);font-weight:700;box-shadow:0 2px 8px #0003;z-index:2001;min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center}.close-btn:hover{background:var(--brand-blue);transform:scale(1.1)}.mini-map{position:fixed;left:8px;bottom:8px;width:100px;height:75px;z-index:1500}.mini-map canvas{border-radius:8px}.help-modal{padding:.5rem}.help-content{max-height:90vh;overflow-y:auto;padding:1rem}.help-content h2{font-size:1.3rem}.help-section h3{font-size:1.1rem}.help-section ul,.help-section ol{padding-left:1.2rem}.help-section li{font-size:.95rem;margin-bottom:.3rem}.graph-tooltip{font-size:.9rem;padding:.5rem .8rem;min-width:100px;max-width:200px}.connection-banner{position:fixed;top:1rem;left:1rem;right:1rem;transform:none;font-size:.9rem;padding:.4rem 1rem;text-align:center}.mobile-sidebar-header{text-align:center;margin-bottom:1rem}.mobile-swipe-indicator{width:40px;height:4px;background:#ddd;border-radius:2px;margin:0 auto}.sidebar-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:1999;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.mobile-sidebar-footer{margin-top:2rem;padding-top:1rem;border-top:1px solid #eee;text-align:center}.mobile-close-btn{background:var(--brand-red);color:var(--brand-white);border:none;padding:.8rem 2rem;border-radius:25px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;min-height:44px;touch-action:manipulation}.mobile-close-btn:hover{background:var(--brand-blue);transform:translateY(-1px)}}@media (max-width: 480px){.header h1{font-size:1.3rem}.controls{padding:.8rem}.layout-btn{padding:.5rem .6rem;font-size:.85rem}.sidebar{padding:.8rem}.sidebar h2{font-size:1.2rem}.node-text{font-size:.95rem}.nav-btn{padding:.6rem .5rem;font-size:.9rem}.mini-map{width:80px;height:60px}}@media (max-width: 700px) and (orientation: landscape){.sidebar{top:10vh;bottom:10vh;height:80vh;border-radius:12px;margin:0 1rem}.header h1{font-size:1.2rem}.controls{flex-direction:row;flex-wrap:wrap;gap:.8rem}.control-group{flex-direction:row;gap:.8rem}}