:root{--bg-dark: #050505;--bg-card: rgba(25, 25, 25, .7);--bg-tabs: linear-gradient(180deg, rgba(45, 45, 45, .9) 0%, rgba(25, 25, 25, .95) 100%);--bg-card-hover: rgba(40, 40, 40, .8);--text-main: #e0e0e0;--text-muted: #a0a0a0;--text-gold: #FFD700;--glow-primary: rgba(255, 215, 0, .5);--glow-cyan: rgba(0, 240, 255, .6);--accent-cyan: #00F0FF;--accent-magenta: #FF0099;--font-heading: "Outfit", sans-serif;--font-body: "Inter", sans-serif;--transition-fast: .2s ease;--transition-medium: .4s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-dark);color:var(--text-main);background-image:radial-gradient(circle at 10% 20%,rgba(50,0,50,.2) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(0,50,80,.2) 0%,transparent 40%);min-height:100vh;overflow-x:hidden}h1,h2,h3{font-family:var(--font-heading);text-transform:uppercase;letter-spacing:2px}.glass-card{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2);border-radius:20px;box-shadow:0 20px 40px #0006,0 0 0 1px #ffffff1a inset,0 1px #fff3 inset}.glow-box{border:1px solid rgba(255,255,255,.25);background:#0000004d;transition:all var(--transition-medium)}.glow-box:focus-within,.glow-box:hover{border-color:var(--accent-cyan);box-shadow:0 0 10px var(--glow-cyan)}input{background:transparent;border:none;color:#fff;font-family:var(--font-heading);outline:none}.unit-tabs-container{display:flex;justify-content:space-between;margin-bottom:2rem;background:#ffffff08;padding:4px;border-radius:50px;border:1px solid rgba(255,255,255,.15);width:100%;max-width:400px;margin-left:auto;margin-right:auto}.unit-tab{background:transparent;border:none;border-radius:40px;padding:8px 10px;color:var(--text-muted);cursor:pointer;transition:all var(--transition-medium);font-family:var(--font-heading);letter-spacing:.5px;font-size:.75rem;text-transform:uppercase;flex:1}.unit-tab:hover{color:#fff}.unit-tab.active{background:#ffffff1a;color:var(--text-gold);font-weight:600;box-shadow:0 4px 15px #0003;border:1px solid rgba(255,215,0,.3)}.luxury-text{background:linear-gradient(135deg,#fff,#aaa,#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 20px rgba(255,255,255,.3)}.gold-text{color:var(--text-gold);text-shadow:0 0 10px var(--glow-primary)}.result-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.input-unit{font-family:var(--font-heading);color:var(--text-gold);margin-left:5px}.yarn-result-card{transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden}.yarn-result-card:hover{border-color:var(--accent-cyan)!important;box-shadow:0 0 15px var(--glow-cyan)!important;transform:translateY(-2px)}.yarn-result-card:hover .luxury-text{text-shadow:0 0 10px var(--glow-cyan)!important}.yarn-result-card:hover .result-label{color:var(--accent-cyan)!important}@media(max-width:768px){html{font-size:14px}}html{-webkit-tap-highlight-color:transparent;width:100%;height:100%}body{touch-action:manipulation;overscroll-behavior-y:none;user-select:none;-webkit-user-select:none;padding-env:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}input,textarea{user-select:text;-webkit-user-select:text}.sidebar-container{position:fixed;left:0;top:0;height:100vh;background:#0f0f0ff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-right:1px solid rgba(255,255,255,.08);z-index:1000;transition:width .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:20px 0;overflow-x:hidden;overflow-y:auto}.collapsed{width:60px}.expanded{width:280px;box-shadow:10px 0 30px #00000080}.login-btn-sidebar{width:100%;background:#00f0ff1a;border:1px solid rgba(0,240,255,.3);border-radius:8px;padding:8px;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;color:#00f0ff;transition:all .2s ease;height:38px}.login-btn-sidebar:hover{background:#00f0ff33;box-shadow:0 0 10px #00f0ff33}.label{font-family:Outfit,sans-serif;font-size:.8rem;text-transform:uppercase;letter-spacing:.5px;font-weight:600;white-space:nowrap}.sidebar-header{display:flex;align-items:center;height:70px;padding-left:18px;border-bottom:1px solid rgba(255,255,255,.05);margin-bottom:20px;width:100%;box-sizing:border-box}.brand-title{font-family:Outfit,sans-serif;color:gold;font-weight:700;letter-spacing:.5px;white-space:nowrap;font-size:1.2rem;margin-left:0;line-height:1;padding:0 0 0 10px;position:relative;top:0;opacity:0;animation:plainFade .3s ease forwards;animation-delay:.1s}.sidebar-nav{margin-top:20px}.category-group{margin-bottom:5px}.category-header{display:flex;align-items:center;gap:15px;padding:12px 18px;cursor:pointer;transition:background .2s ease;position:relative}.category-header:hover{background:#ffffff08}.category-label{font-family:Outfit,sans-serif;color:#d0d0d0;font-size:.9rem;flex:1;white-space:nowrap;text-transform:uppercase;letter-spacing:1px;animation:fadeIn .2s ease}.active-parent .category-label{color:#fff}.submenu{max-height:0;overflow:hidden;transition:max-height .3s ease-out;background:#0003}.submenu.open{max-height:500px;transition:max-height .5s ease-in}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 10px 10px 48px;cursor:pointer;transition:all .2s ease;position:relative}.nav-item:hover{background:#ffffff0d}.nav-item.active{background:#00f0ff0d}.nav-label{font-family:Inter,sans-serif;color:#a0a0a0;font-size:.85rem;white-space:nowrap}.nav-item.active .nav-label{color:#00f0ff;font-weight:500}.active-indicator{position:absolute;right:0;top:0;bottom:0;width:3px;background:#00f0ff;box-shadow:-2px 0 10px #00f0ff80}@keyframes plainFade{0%{opacity:0}to{opacity:1}}@keyframes fadeIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.mobile-toggle{display:none;position:absolute;top:20px;left:20px;z-index:50;cursor:pointer;background:#00000080;padding:8px;border-radius:8px}@media(max-width:768px){.mobile-toggle,.sidebar-container{display:none!important}}.user-section{margin-top:auto;padding:20px 10px;border-top:1px solid rgba(255,255,255,.05)}.user-profile-container{display:flex;align-items:center;justify-content:space-between;background:#ffffff08;border-radius:12px;padding:8px 12px;gap:10px;min-height:50px}.user-row{display:flex;align-items:center;gap:12px;cursor:pointer;flex:1;overflow:hidden}.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,gold,orange);color:#000;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:Outfit,sans-serif;flex-shrink:0}.user-info{display:flex;flex-direction:column;overflow:hidden;flex:1}.user-name-text{font-size:.9rem;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.edit-text{font-size:.65rem;color:#888}.logout-icon-btn{background:#ff44441a;border:1px solid rgba(255,68,68,.2);color:#f44;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;flex-shrink:0}.logout-icon-btn:hover{background:#f443;transform:scale(1.05)}.collapsed .user-section{padding:20px 0;display:flex;justify-content:center}.collapsed .user-profile-container{padding:8px 0;justify-content:center;background:transparent;width:100%}.collapsed .user-row{justify-content:center;padding:0;flex:none}