:root{--sol-purple:#9945ff;--sol-green:#14f195;--sol-grad:linear-gradient(135deg,#9945ff,#14f195);--bg:#07070d;--bg-2:#0e0e1a;--card:rgba(255,255,255,0.04);--card-border:rgba(255,255,255,0.08);--text:#f4f4fb;--text-dim:#9a9ab0;--radius:20px;--shadow:0 8px 32px rgba(0,0,0,0.4);--tg-bg:var(--tg-theme-bg-color,var(--bg))}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body,html{background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100vh;overscroll-behavior-y:none}body:before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(60% 50% at 15% 0,rgba(153,69,255,.22),transparent 70%),radial-gradient(50% 40% at 100% 10%,rgba(20,241,149,.16),transparent 70%),var(--bg)}.app{max-width:520px;margin:0 auto;padding:20px 16px 96px;min-height:100vh}.topbar{justify-content:space-between;margin-bottom:18px}.brand,.topbar{display:flex;align-items:center}.brand{gap:10px;font-weight:800;font-size:18px;letter-spacing:-.02em}.brand .dot{width:26px;height:26px;border-radius:8px;background:var(--sol-grad);box-shadow:0 0 18px rgba(153,69,255,.6)}.hello{font-size:13px;color:var(--text-dim)}.balance-card{position:relative;border-radius:24px;padding:22px;background:var(--sol-grad);overflow:hidden;box-shadow:0 18px 50px rgba(153,69,255,.35);margin-bottom:22px}.balance-card:after{content:"";position:absolute;inset:0;background:radial-gradient(120% 120% at 100% 0,rgba(255,255,255,.25),transparent 50%);pointer-events:none}.balance-card .label{font-size:13px;opacity:.9;font-weight:600}.balance-card .amount{font-size:38px;font-weight:800;letter-spacing:-.03em;margin-top:4px;display:flex;align-items:baseline;gap:8px}.balance-card .amount .unit{font-size:18px;font-weight:700;opacity:.85}.balance-card .sub{margin-top:14px;font-size:12px;opacity:.85;display:flex;align-items:center;gap:6px}.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin:6px 4px 12px;font-weight:700}.card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:16px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.product{display:flex;align-items:center;gap:14px;margin-bottom:12px}.product .emoji{width:52px;height:52px;flex:none;display:grid;place-items:center;font-size:26px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--card-border)}.product .info{flex:1 1;min-width:0}.product .name{font-weight:700;font-size:15px}.product .desc{font-size:12.5px;color:var(--text-dim);margin-top:2px}.product .price{font-weight:800;font-size:14px;white-space:nowrap;background:var(--sol-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.btn{border:none;border-radius:14px;padding:13px 16px;font-size:15px;font-weight:700;cursor:pointer;width:100%;color:#08080f;background:var(--sol-grad);transition:transform .12s ease,opacity .12s ease}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:default}.btn.ghost{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--card-border)}.btn.small{width:auto;padding:9px 14px;font-size:13px}.btn.buy{width:auto;padding:10px 16px;font-size:13.5px}.qr-wrap{display:grid;place-items:center;padding:16px;background:#fff;border-radius:18px;width:max-content;margin:0 auto 16px}.qr-wrap img{display:block;width:196px;height:196px}.addr{font-family:ui-monospace,SF Mono,Menlo,monospace;word-break:break-all;background:rgba(0,0,0,.3);border:1px solid var(--card-border);border-radius:12px;padding:12px;color:var(--sol-green)}.addr,.hint{font-size:12.5px;line-height:1.5}.hint{color:var(--text-dim)}.hint,.warn{margin-top:12px}.warn{font-size:12.5px;color:#ffd479;background:rgba(255,184,0,.08);border:1px solid rgba(255,184,0,.2);border-radius:12px;padding:10px 12px}.order-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--card-border)}.order-row:last-child{border-bottom:none}.order-row .meta{font-size:11.5px;color:var(--text-dim);margin-top:2px}.empty{text-align:center;color:var(--text-dim);padding:40px 0;font-size:14px}.nav{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:space-around;padding:8px 8px calc(8px + env(safe-area-inset-bottom));background:rgba(10,10,20,.8);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-top:1px solid var(--card-border);z-index:50}.nav button{background:none;border:none;color:var(--text-dim);display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10.5px;font-weight:600;padding:6px 14px;border-radius:12px;cursor:pointer;transition:color .15s ease}.nav button .ico{font-size:20px;line-height:1}.nav button.active{color:var(--text)}.nav button.active .ico{filter:drop-shadow(0 0 8px rgba(153,69,255,.9))}.toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%);background:rgba(20,20,35,.95);border:1px solid var(--card-border);color:var(--text);padding:12px 18px;border-radius:14px;font-size:13.5px;font-weight:600;box-shadow:var(--shadow);z-index:100;max-width:90%;text-align:center;animation:pop .2s ease}.toast.ok{border-color:rgba(20,241,149,.5)}.toast.err{border-color:rgba(255,90,90,.5)}@keyframes pop{0%{opacity:0;transform:translateX(-50%) translateY(8px)}}.center-screen{min-height:80vh;display:grid;place-items:center}.spinner{width:40px;height:40px;border-radius:50%;border:3px solid rgba(255,255,255,.1);border-top:3px solid var(--sol-purple);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.fade-in{animation:fade .25s ease}@keyframes fade{0%{opacity:0;transform:translateY(6px)}}