:root{--primary:#00f2ff;--secondary:#bd00ff;--accent:#ff007a;--bg-light:#f0f4f8;--bg-glass:#ffffffb3;--card-glass:#ffffffd9;--text-main:#1a1a2e;--text-dim:#4a4e69;--shadow-neon:0 0 20px #00f2ff4d;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-light);color:var(--text-main);background-image:radial-gradient(circle at 20% 20%,#00f2ff26 0%,#0000 40%),radial-gradient(circle at 80% 80%,#bd00ff26 0%,#0000 40%);min-height:100vh;font-family:Outfit,Inter,sans-serif;overflow-x:hidden}.nexus-layout{min-height:100vh;display:flex}.cyber-sidebar{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:100;width:260px;height:100vh;transition:var(--transition);border-right:1px solid #ffffff4d;flex-direction:column;padding:2rem;display:flex;position:sticky;top:0}.nexus-logo h1{letter-spacing:2px;color:var(--text-main);font-size:1.2rem;font-weight:800}.version-tag{background:var(--primary);color:#fff;vertical-align:middle;border-radius:10px;padding:2px 6px;font-size:.6rem}.sidebar-nav{margin-top:3rem}.nav-label{text-transform:uppercase;color:var(--text-dim);letter-spacing:1px;margin-bottom:1rem;font-size:.7rem}.nav-item{text-align:left;width:100%;color:var(--text-main);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:12px;margin-bottom:.5rem;padding:.8rem 1rem;font-weight:600;display:block}.nav-item.active{color:var(--primary);background:#fff;box-shadow:0 4px 15px #0000000d}.nexus-main{flex:1;padding:2rem;position:relative}.main-header{justify-content:space-between;align-items:center;margin-bottom:3rem;display:flex}.header-context h2{background:linear-gradient(45deg, var(--primary), var(--secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:800}.app-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.cyber-card{background:var(--card-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:var(--transition);border:1px solid #ffffff80;border-radius:20px;flex-direction:column;padding:1.2rem;text-decoration:none;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 30px #00000008}.cyber-card:hover{border-color:var(--primary);transform:translateY(-8px);box-shadow:0 20px 40px #00f2ff26}.card-header{align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.app-icon-frame{filter:drop-shadow(0 0 5px #00f2ff66);background-position:50%;background-repeat:no-repeat;background-size:contain;width:48px;height:48px}.app-meta h3{color:var(--text-main);font-size:1rem;font-weight:700}.app-category-tab{color:var(--primary);text-transform:uppercase;letter-spacing:.5px;font-size:.65rem;font-weight:800}.app-description{color:var(--text-dim);margin-bottom:1.5rem;font-size:.85rem;line-height:1.4}.card-footer{color:var(--primary);justify-content:space-between;align-items:center;margin-top:auto;font-size:.75rem;font-weight:700;display:flex}.mobile-header{background:var(--bg-glass);z-index:200;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid #ffffff4d;padding:1rem;display:none;position:sticky;top:0}@media (width<=768px){.nexus-layout{flex-direction:column}.cyber-sidebar{display:none}.mobile-header{justify-content:space-between;align-items:center;display:flex}.main-header{flex-direction:row;align-items:center}}.modal-overlay{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);z-index:1000;background:#fff6;justify-content:center;align-items:center;width:100vw;height:100vh;padding:1.5rem;display:flex;position:fixed;top:0;left:0}.cyber-modal{background:var(--card-glass);border:1px solid #fff;border-radius:30px;width:100%;max-width:500px;padding:2.5rem;animation:.4s cubic-bezier(.18,.89,.32,1.28) modalPop;box-shadow:0 30px 60px #0000001a}@keyframes modalPop{0%{opacity:0;transform:scale(.9)translateY(40px)}to{opacity:1;transform:scale(1)translateY(0)}}.cyber-modal h3{color:var(--text-main);text-align:center;margin-bottom:2rem;font-size:1.5rem;font-weight:800}.cyber-modal input,.cyber-modal textarea,.cyber-modal select{background:#fff9;border:1px solid #0000000d;border-radius:15px;width:100%;margin-bottom:1rem;padding:1rem 1.5rem;font-family:inherit;font-weight:600}.modal-actions{justify-content:flex-end;gap:1rem;margin-top:1rem;display:flex}.modal-actions button{cursor:pointer;transition:var(--transition);border:none;border-radius:12px;padding:.8rem 1.5rem;font-weight:800}.submit-btn{background:var(--primary);color:#fff}.idea-node{border:2px dashed var(--primary);opacity:.8}.idea-badge{background:var(--primary);color:#fff;box-shadow:var(--shadow-neon);border-radius:10px;padding:4px 10px;font-size:.6rem;font-weight:900}@media (width<=768px){.cyber-sidebar{transition:var(--transition);display:flex;position:fixed;top:0;left:-260px}.cyber-sidebar.mobile-open{left:0;box-shadow:20px 0 60px #0000001a}.mobile-add-btn{background:var(--primary);color:#fff;width:54px;height:54px;box-shadow:var(--shadow-neon);cursor:pointer;border:none;border-radius:50%;font-size:1.5rem}}.menu-toggle{color:var(--text-main);cursor:pointer;background:0 0;border:none;font-size:1.5rem}