:root{color-scheme:light;--bg:#f4f6fb;--card:#fff;--text:#17223b;--muted:#66748d;--border:#d9e2ef;--accent:#2855ce}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.ca-shell{max-width:760px;margin:0 auto;padding:calc(22px + env(safe-area-inset-top)) 18px calc(36px + env(safe-area-inset-bottom))}header{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:30px}.ca-brand{font-size:22px;letter-spacing:.07em;font-weight:850;text-decoration:none;color:var(--text)}.ca-mode{padding:6px 12px;background:#fff2c4;color:#704a06;border-radius:999px;font-size:12px;font-weight:700}.ca-heading h1{font-size:32px;line-height:1.2;margin:8px 0 10px}.ca-heading p,.ca-hint{color:var(--muted)}.ca-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:25px;margin:18px 0;box-shadow:0 5px 22px #12326106}h2{font-size:21px;line-height:1.35;margin:0 0 12px}p{margin:10px 0 16px}label{display:flex;flex-direction:column;gap:7px;font-weight:600;margin:16px 0}input{width:100%;min-width:0;font:inherit;min-height:48px;border:1px solid var(--border);border-radius:10px;padding:10px 13px;background:var(--card);color:var(--text)}button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 18px;background:var(--accent);color:white;border:1px solid var(--accent);border-radius:11px;font:inherit;font-weight:650;cursor:pointer;line-height:1.4;margin:6px 0}button.secondary{background:transparent;color:var(--accent);border-color:var(--border)}button:disabled{opacity:.6;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #7b9ee9;outline-offset:2px}.ca-check{flex-direction:row;align-items:flex-start;font-size:14px;font-weight:400;gap:10px}.ca-check input{width:19px;height:19px;min-height:19px;flex:0 0 19px;margin-top:2px;accent-color:var(--accent)}.ca-balance{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;background:linear-gradient(130deg,#173a83,#283e68);color:#fff}.ca-balance strong{font-size:40px;line-height:1.25}.ca-balance>p{grid-column:1/-1}.ca-balance .ca-hint{color:#d2dff7;font-size:13px}.ca-balance p{margin:7px 0}.ca-hint{font-size:13px}.ca-message{min-height:24px;color:#1f6b44}.ca-message.error{color:#ad2638}code{display:block;padding:13px;background:var(--bg);border-radius:10px;overflow-wrap:anywhere;font-size:12px;margin:14px 0}.ca-entry{border-top:1px solid var(--border);padding:14px 0}.ca-entry:first-child{border-top:0}.ca-entry small{color:var(--muted);display:block}footer{display:flex;gap:14px;flex-wrap:wrap;justify-content:space-between;color:var(--muted);font-size:12px;padding-top:24px}footer a{color:inherit}.ca-qr{display:block;background:white;padding:8px;border-radius:12px;max-width:100%;height:auto;margin:16px auto}.hidden{display:none!important}html[data-theme=dark]{color-scheme:dark;--bg:#101b2e;--card:#192940;--text:#ecf3ff;--muted:#afbed5;--border:#384b66;--accent:#8aafff}html[data-theme=dark] button:not(.secondary){background:#3869d5;color:#fff;border-color:#3869d5}@media(max-width:480px){.ca-card{padding:19px}.ca-balance{grid-template-columns:1fr}.ca-heading h1{font-size:28px}.ca-shell{padding-left:14px;padding-right:14px}.ca-card button{width:100%}.ca-balance strong{font-size:36px}}