:root{--primary: #00e676;--secondary: #00c853;--gradient: linear-gradient( 135deg, #00e676 0%, #00c853 40%, #00a843 100% );--gradient-soft: linear-gradient( 135deg, rgba(0,230,118,.15), rgba(0,200,83,.05) );--radius: 16px;--bg: #0b0f14;--card: #121720;--text: #e6ebf2;--muted: #8b93a7}body.light{--bg: #f5f7fb;--card: #ffffff;--text: #0f172a;--muted: #64748b}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:13px}#layout{display:flex;height:100vh;overflow:hidden}#sidebar{width:240px;height:100vh;position:fixed;left:0;top:0;background:linear-gradient(180deg,rgba(0,230,118,.08),transparent 30%),var(--card);padding:16px;display:flex;flex-direction:column}.logo{display:flex;align-items:center;gap:10px;margin-bottom:20px}.logo img{width:36px;height:36px}.logo span{font-weight:600;font-size:14px}.nav{flex:1;display:flex;flex-direction:column;justify-content:space-evenly}.nav button{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius);border:1px solid transparent;background:transparent;color:var(--text);cursor:pointer;font-weight:500}.nav button i{width:18px;text-align:center;color:var(--muted)}.nav button:hover{background:var(--gradient);color:#fff}.nav button:hover i{color:#fff}.nav-footer{margin-top:auto}.divider{height:1px;background:#ffffff14;margin:14px 0}.theme-toggle{display:flex;justify-content:space-between;align-items:center;font-size:12px}.switch{position:relative;width:42px;height:22px}.switch input{opacity:0}.slider{position:absolute;inset:0;background:#444;border-radius:999px;cursor:pointer}.slider:before{content:"";position:absolute;width:18px;height:18px;top:2px;left:2px;background:#fff;border-radius:50%;transition:.3s}input:checked+.slider{background:var(--primary)}input:checked+.slider:before{transform:translate(20px)}main{margin-left:240px;flex:1;display:flex;flex-direction:column;height:100vh;overflow:hidden}header{background:var(--card);padding:14px 18px;display:flex;justify-content:space-between;align-items:center}.balance{display:flex;align-items:center;gap:8px;font-weight:600}.balance img{width:18px}.auth button{padding:8px 14px;border-radius:var(--radius);border:none;background:var(--gradient);color:#fff;cursor:pointer;font-size:12px}#app{padding:20px;flex:1;overflow-y:auto}footer{text-align:center;font-size:11px;opacity:.6;padding:10px}@media(max-width:768px){#sidebar{width:45px;padding-right:2.5px;padding-left:2.5px}main{margin-left:45px}.logo span,.nav button span{display:none}.nav button{justify-content:center}}.page h1{margin-bottom:6px}.muted{color:var(--muted);font-size:12px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:20px}.card{background:var(--card);border-radius:var(--radius);padding:16px;border:1px solid rgba(255,255,255,.05)}.card h3{margin-top:0}.big{font-size:22px;font-weight:600}.hint{font-size:11px;opacity:.6}.form{max-width:420px}label{display:block;margin:12px 0 4px;font-size:12px}input{width:100%;padding:10px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.1);background:transparent;color:var(--text)}.notice{font-size:11px;margin:10px 0;opacity:.7}.notice.warning{color:#ffb020}.actions{display:flex;gap:10px}button.primary{width:100%;margin-top:14px;background:var(--gradient);border:none;color:#fff;padding:12px;border-radius:var(--radius);cursor:pointer}button.outline{background:transparent;border:1px solid var(--primary);color:var(--primary);padding:10px;border-radius:var(--radius)}.row{display:flex;justify-content:space-between;margin-bottom:10px}.badge.success{color:#00c853;font-weight:600}.nav button.active{background:var(--gradient);color:#fff}.nav button.active i{color:#fff}main{background:radial-gradient(circle at top right,rgba(0,230,118,.08),transparent 40%),radial-gradient(circle at bottom left,rgba(0,200,83,.06),transparent 40%)}.card{background:var(--gradient-soft),var(--card);box-shadow:0 10px 30px #00000040}#sidebar{background:linear-gradient(180deg,rgba(0,230,118,.08),transparent 30%),var(--card)}header{border-bottom:1px solid rgba(0,230,118,.2)}button.primary,.auth button{background:var(--gradient);box-shadow:0 6px 20px #00e67659}.nav button.active{background:var(--gradient);box-shadow:inset 0 0 0 1px #ffffff26}.socials{display:flex;flex-direction:column;gap:10px}.social{display:flex;align-items:center;gap:10px;padding:10px;border-radius:var(--radius);background:#00e67614;color:var(--text);text-decoration:none}.social:hover{background:var(--gradient);color:#fff}.loader{position:fixed;inset:0;background:#050a0fd9;display:flex;justify-content:center;align-items:center;z-index:9999;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.loader.hidden{display:none}.loader-card{background:var(--card);padding:30px 40px;border-radius:20px;text-align:center;box-shadow:0 20px 50px #00000080}.spinner{width:44px;height:44px;border-radius:50%;border:4px solid rgba(255,255,255,.15);border-top-color:var(--primary);animation:spin 1s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}input,select,textarea{width:100%;padding:11px 12px;border-radius:var(--radius);border:1.5px solid rgba(0,230,118,.6);background:transparent;color:var(--text);font-size:13px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px #00e67640}input:disabled{opacity:.7;cursor:not-allowed}.page-full{width:100%}.center{display:flex;justify-content:center;margin-top:24px}.form{width:100%;max-width:460px}.home section{margin-bottom:40px}.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:30px}.hero-text{font-size:14px;margin:12px 0 20px;line-height:1.6}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.learn-link{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--primary);text-decoration:none}.learn-link:hover{text-decoration:underline}.rate-card{background:var(--gradient);color:#fff;border-radius:20px;padding:20px;box-shadow:0 20px 40px #00000059}.rate{display:flex;justify-content:space-between;margin:10px 0}.rate-note{font-size:11px;opacity:.85}.p2p-card{display:flex;align-items:center;gap:16px}.p2p-icon{width:48px}.about .highlight{background:linear-gradient(135deg,rgba(0,230,118,.2),transparent),var(--card)}.steps h2{margin-bottom:20px}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.step{background:var(--card);padding:18px;border-radius:var(--radius);position:relative}.step-num{position:absolute;top:-12px;left:-12px;width:28px;height:28px;border-radius:50%;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600}@media(max-width:900px){.hero{grid-template-columns:1fr}}.result-modal{position:fixed;inset:0;background:#050a0fd9;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:10000}.result-modal.hidden{display:none}.result-card{background:var(--card);padding:30px;border-radius:20px;text-align:center;max-width:320px;width:90%;box-shadow:0 20px 50px #00000080}.result-card i{font-size:46px;margin-bottom:12px}.result-card.success i{color:var(--primary)}.result-card.error i{color:#ff4d4d}.result-card h3{margin:8px 0}.result-card p{font-size:13px;opacity:.85}.result-card button{margin-top:16px;padding:10px 16px;border-radius:var(--radius);border:none;background:var(--gradient);color:#fff;cursor:pointer}