:root{--bg:#0f1419;--bg-elevated:#1a222c;--bg-soft:#243040;--text:#f4f7fb;--text-muted:#9aa8b8;--accent:#0064ff;--accent-pressed:#0052d6;--danger:#e5484d;--success:#30a46c;--border:rgba(255,255,255,0.08);--radius:16px;--font:"Pretendard","Apple SD Gothic Neo","Noto Sans KR",sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:radial-gradient(1200px 600px at 10% -10%,rgba(0,100,255,.22),transparent 55%),radial-gradient(900px 500px at 100% 0,rgba(48,164,108,.12),transparent 50%),var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}a{color:inherit}button{font:inherit}.page{max-width:480px;margin:0 auto;padding:24px 20px 40px;min-height:100dvh}.brand{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:8px}.headline{margin:0 0 8px;font-size:28px;line-height:1.25;font-weight:700}.sub{margin:0 0 28px;color:var(--text-muted);font-size:15px;line-height:1.5}.panel{background:color-mix(in srgb,var(--bg-elevated) 92%,white 8%);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.row{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin-bottom:10px}.row:last-child{margin-bottom:0}.label{color:var(--text-muted);font-size:14px}.value{font-size:15px;font-weight:600;text-align:right;word-break:break-all}.amount{font-size:28px;font-weight:800;letter-spacing:-.02em}.widget-slot{margin:8px 0 12px;min-height:40px}.pay-button{width:100%;border:0;border-radius:14px;background:var(--accent);color:white;font-size:17px;font-weight:700;padding:16px;cursor:pointer;transition:background .15s ease,transform .1s ease,opacity .15s ease}.pay-button:hover:not(:disabled){background:var(--accent-pressed)}.pay-button:active:not(:disabled){transform:scale(.985)}.pay-button:disabled{opacity:.45;cursor:not-allowed}.hint{margin-top:14px;font-size:12px;color:var(--text-muted);line-height:1.5}.status-icon{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:28px;margin-bottom:16px}.status-icon.ok{background:rgba(48,164,108,.18);color:var(--success)}.status-icon.bad{background:rgba(229,72,77,.18);color:var(--danger)}.actions{display:grid;grid-gap:10px;gap:10px;margin-top:24px}.secondary{width:100%;border:1px solid var(--border);border-radius:14px;background:transparent;color:var(--text);font-size:16px;font-weight:600;padding:14px;cursor:pointer}.error-banner{background:rgba(229,72,77,.12);border:1px solid rgba(229,72,77,.35);color:#ffb4b4;border-radius:12px;padding:12px 14px;font-size:14px;margin-bottom:16px}.loading{color:var(--text-muted);font-size:14px;padding:24px 0;text-align:center}