:root{color-scheme:light dark;--bg: #0b0d10;--surface: #14171c;--surface-2: #1b1f26;--surface-3: #232833;--border: #262b33;--text: #e8eaed;--muted: #8b929e;--accent: #4f7cff;--accent-text: #ffffff;--ok: #2ea36b;--warn: #d9a441;--err: #e05252;--error-bg: #2a1618;--error-text: #ffb4b4;--overlay-bg: rgba(6, 8, 10, .82);--shadow: 0 4px 24px rgba(0, 0, 0, .4);--radius: 16px}@media(prefers-color-scheme:light){:root:not([data-theme]){color-scheme:light;--bg: #f2f4f7;--surface: #ffffff;--surface-2: #f5f6f9;--surface-3: #e9ecf2;--border: #d8dde5;--text: #171a1f;--muted: #5d6572;--accent: #3563e9;--accent-text: #ffffff;--ok: #1e7d50;--warn: #9a7014;--err: #c03434;--error-bg: #fbe9e9;--error-text: #8f1f1f;--overlay-bg: rgba(235, 238, 243, .85);--shadow: 0 4px 24px rgba(30, 40, 60, .14)}}:root[data-theme=light]{color-scheme:light;--bg: #f2f4f7;--surface: #ffffff;--surface-2: #f5f6f9;--surface-3: #e9ecf2;--border: #d8dde5;--text: #171a1f;--muted: #5d6572;--accent: #3563e9;--accent-text: #ffffff;--ok: #1e7d50;--warn: #9a7014;--err: #c03434;--error-bg: #fbe9e9;--error-text: #8f1f1f;--overlay-bg: rgba(235, 238, 243, .85);--shadow: 0 4px 24px rgba(30, 40, 60, .14)}:root[data-theme=dark]{color-scheme:dark}*{box-sizing:border-box;transition:none!important;animation:none!important}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;-webkit-text-size-adjust:100%}.wrap{max-width:520px;margin:0 auto;padding:24px 16px 48px}.brand{font-size:13px;letter-spacing:2px;color:var(--muted);text-transform:uppercase;margin-bottom:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}h1{font-size:22px;margin:0 0 4px}h2{font-size:15px;margin:0 0 14px;color:var(--muted);font-weight:500}label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}input,select{width:100%;padding:14px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:16px;outline:none}input:focus,select:focus{border-color:var(--accent)}.field{margin-bottom:14px}button{width:100%;padding:15px;border:1px solid var(--border);border-radius:12px;background:var(--surface-2);color:var(--text);font-size:16px;font-weight:500;cursor:pointer}button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}button.danger{color:var(--err)}button:disabled{opacity:.5;cursor:not-allowed}button+button{margin-top:10px}.amount{font-size:40px;font-weight:600;letter-spacing:-1px}.row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);font-size:14px}.row:last-child{border-bottom:none}.muted{color:var(--muted);font-size:13px}.mono{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12px;word-break:break-all;color:var(--muted)}.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;border:1px solid var(--border);background:var(--surface-2)}.badge.ok{color:var(--ok);border-color:var(--ok)}.badge.warn{color:var(--warn);border-color:var(--warn)}.badge.err{color:var(--err);border-color:var(--err)}.error{background:var(--error-bg);border:1px solid var(--err);color:var(--error-text);border-radius:12px;padding:12px 14px;font-size:14px;margin-bottom:14px}.qr{display:block;width:100%;max-width:260px;margin:0 auto;border-radius:12px;background:#fff;padding:10px}.center{text-align:center}.big-status{text-align:center;padding:32px 0}.big-status .icon{font-size:44px;margin-bottom:12px}.receipt{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:18px;font-size:13px}.receipt .r-head{text-align:center;padding-bottom:14px;border-bottom:1px dashed var(--border)}.receipt .r-title{font-size:15px;font-weight:600;letter-spacing:1px;text-transform:uppercase}.receipt .r-sub{color:var(--muted);font-size:12px;margin-top:4px}.receipt .r-block{padding:14px 0;border-bottom:1px dashed var(--border)}.receipt .r-block:last-of-type{border-bottom:none}.receipt .r-strong{font-weight:600;margin-bottom:6px}.receipt .r-line{display:flex;justify-content:space-between;gap:12px;color:var(--muted);padding:3px 0}.receipt .r-line span:last-child{color:var(--text);text-align:right;word-break:break-word}.receipt .r-total{display:flex;justify-content:space-between;font-size:17px;font-weight:600;margin-bottom:8px}.receipt .r-foot{padding-top:12px;border-top:1px dashed var(--border);color:var(--muted);font-size:11px;text-align:center;word-break:break-all}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:var(--overlay-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.overlay .qr-big{width:100%;max-width:340px;background:#fff;border-radius:var(--radius);padding:16px;display:block}.overlay .caption{margin-top:18px;text-align:center;color:var(--text);font-size:17px;font-weight:500}.overlay .sum{font-size:32px;font-weight:600;margin-top:6px}.overlay .close{margin-top:22px;max-width:340px}.overlay.scroll{justify-content:flex-start;overflow-y:auto}.overlay .sheet{width:100%;max-width:380px;margin:auto}button.link{width:auto;padding:6px 14px;border-radius:999px;font-size:12px;color:var(--accent);background:transparent;border-color:var(--accent)}.theme-toggle{display:flex;gap:6px;margin-left:auto}.theme-toggle button{width:auto;padding:5px 12px;border-radius:999px;font-size:12px;color:var(--muted);background:transparent}.theme-toggle button.active{color:var(--accent-text);background:var(--accent);border-color:var(--accent)}.topbar{display:flex;align-items:center;gap:12px;margin-bottom:20px}.topbar .brand{margin-bottom:0}.actions{display:flex;flex-direction:column;gap:10px}.actions button+button{margin-top:0}.balance{font-size:34px;font-weight:600;letter-spacing:-1px}button:hover:not(:disabled){border-color:var(--accent)}button.primary:hover:not(:disabled){filter:brightness(1.08)}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.row:hover{background:var(--surface-2)}@media(min-width:900px){.wrap{max-width:960px;padding:32px 24px 64px}.cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}.cols>*{min-width:0}.actions{flex-direction:row;flex-wrap:wrap}.actions button{width:auto;min-width:160px}.qr{max-width:300px}.overlay .qr-big{max-width:420px}.card{box-shadow:var(--shadow)}}