:root{--bg-main:#f8fafc;--bg-surface:#fff;--bg-subtle:#f1f5f9;--border-color:#e2e8f0;--border-hover:#cbd5e1;--primary:#059669;--primary-gradient:linear-gradient(135deg, #059669 0%, #10b981 100%);--accent-indigo:#4f46e5;--accent-indigo-gradient:linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);--accent-amber:#d97706;--accent-rose:#e11d48;--text-main:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 25px -5px #00000014, 0 8px 10px -6px #0000000a;--font-family:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-family);background-image:radial-gradient(circle at 10% 10%,#05966908 0%,#0000 40%),radial-gradient(circle at 90% 90%,#4f46e508 0%,#0000 40%);min-height:100vh;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font-family:var(--font-family);cursor:pointer;border:none;outline:none}input{font-family:var(--font-family);outline:none}.light-card{background:var(--bg-surface);border:1px solid var(--border-color);box-shadow:var(--shadow-md);border-radius:16px;transition:all .25s cubic-bezier(.4,0,.2,1)}.light-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-lg)}.btn-emerald{background:var(--primary-gradient);color:#fff;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-weight:700;transition:all .25s;display:inline-flex;box-shadow:0 4px 14px #0596694d}.btn-emerald:hover{transform:translateY(-2px);box-shadow:0 6px 20px #05966973}.btn-indigo{background:var(--accent-indigo-gradient);color:#fff;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-weight:700;transition:all .25s;display:inline-flex;box-shadow:0 4px 14px #4f46e54d}.btn-indigo:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4f46e573}.btn-outline{background:var(--bg-surface);color:var(--text-main);border:1px solid var(--border-color);border-radius:12px;padding:10px 20px;font-weight:600;transition:all .2s}.btn-outline:hover{background:var(--bg-subtle);border-color:var(--border-hover)}.code-font{font-family:var(--font-mono)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f8fafc}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.sidebar-nav-item{color:#64748b;text-align:left;background:0 0;border:1px solid #0000;border-radius:12px;align-items:center;gap:12px;width:100%;padding:12px 16px;font-size:14px;font-weight:600;transition:all .2s;display:flex}.sidebar-nav-item:hover{color:#0f172a;background:#f1f5f9}.sidebar-nav-item.active{color:#059669;background:#ecfdf5;border-color:#a7f3d0;font-weight:700}.sidebar-nav-item.logout-item{color:#ef4444}.sidebar-nav-item.logout-item:hover{color:#dc2626;background:#fef2f2}.form-input{border:1px solid var(--border-color);width:100%;color:var(--text-main);background:#fff;border-radius:10px;padding:12px 16px;font-size:14px;transition:all .2s}.form-input:focus{border-color:#059669;box-shadow:0 0 0 3px #05966926}.form-label{color:var(--text-main);margin-bottom:6px;font-size:13px;font-weight:700;display:block}.tree-container{flex-direction:column;align-items:center;gap:32px;min-width:700px;padding:32px 16px;display:flex;overflow-x:auto}.tree-node-card{border:1px solid var(--border-color);text-align:center;box-shadow:var(--shadow-sm);background:#fff;border-radius:14px;min-width:180px;padding:16px 20px;transition:all .25s;position:relative}.tree-node-card:hover{box-shadow:var(--shadow-lg);border-color:#059669;transform:translateY(-4px)}.tree-node-card.root-card{background:linear-gradient(135deg,#fff 0%,#ecfdf5 100%);border:2px solid #059669;min-width:220px}.tree-node-card.level1-card{background:linear-gradient(135deg,#fff 0%,#eff6ff 100%);border-color:#93c5fd}.tree-node-card.level2-card{background:linear-gradient(135deg,#fff 0%,#faf5ff 100%);border-color:#e9d5ff}.tree-connector-line{background:#cbd5e1;width:2px;height:24px;margin:0 auto}.tree-branch-container{justify-content:space-around;width:100%;display:flex;position:relative}.tree-branch-line{background:#cbd5e1;height:2px;position:absolute;top:-16px}@media (width>=768px){.desktop-nav{display:flex!important}.mobile-menu-btn{display:none!important}}@media (width<=767px){.desktop-nav{display:none!important}.mobile-menu-btn{display:flex!important}}