:root{--fg: #1a1a1a;--muted: #6b6b6b;--line: #e0e0e0;--accent: #1f6feb;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--fg: #ececec;--muted: #9a9a9a;--line: #333;--accent: #6ea8ff}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.6 system-ui,sans-serif;color:var(--fg);overflow-wrap:break-word}main{max-width:46rem;margin:0 auto;padding:1.5rem 1rem calc(4rem + env(safe-area-inset-bottom))}header{border-bottom:1px solid var(--line)}header nav{max-width:46rem;margin:0 auto;padding:1rem;display:flex;gap:1rem;align-items:baseline}a{color:var(--accent)}h1{font-size:1.6rem;line-height:1.25;margin:0 0 .25rem}.muted{color:var(--muted);font-size:.875rem}.card{border:1px solid var(--line);border-radius:8px;padding:1rem;margin-bottom:.75rem}.body{white-space:pre-wrap}label{display:block;margin:.75rem 0 .25rem;font-size:.875rem;color:var(--muted)}input,textarea,button,select{font:inherit;width:100%;padding:.6rem .7rem;font-size:16px;min-height:44px;border:1px solid var(--line);border-radius:6px;background:transparent;color:inherit}textarea{min-height:8rem;resize:vertical}button{cursor:pointer;background:var(--accent);color:#fff;border:none;padding:.7rem 1rem;font-weight:600;touch-action:manipulation}button:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}button.danger{color:#c02626;border-color:color-mix(in srgb,#c02626 40%,transparent)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.7rem 1rem;margin:.25rem 0 1rem;border-radius:6px;font-weight:600;text-decoration:none;background:var(--accent);color:#fff}.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}.btn.wa{background:#0f7a6c;color:#fff;border:none}.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.row{display:flex;flex-wrap:wrap;gap:.5rem}.row>*{flex:1 1 10rem}.row>.btn{margin:0}.error{color:#c02626;font-size:.875rem}.ok{color:#17803d;font-size:.875rem}.hash{font-family:ui-monospace,monospace;font-size:.75rem;word-break:break-all;color:var(--muted)}.alert{border:1px solid #d9a400;background:color-mix(in srgb,#d9a400 12%,transparent);border-radius:8px;padding:.75rem .9rem;font-size:.9rem;margin:0 0 1rem}dialog{border:1px solid var(--line);border-radius:12px;padding:1.5rem;width:min(28rem,calc(100vw - 2rem));max-height:90dvh;overflow-y:auto;color:var(--fg);background:Canvas}dialog::backdrop{background:#0009;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}@media(max-width:30rem){dialog{width:100%;max-width:none;margin:auto 0 0;border-radius:14px 14px 0 0;padding:1.25rem 1rem calc(1.25rem + env(safe-area-inset-bottom))}header nav,main{padding-left:.875rem;padding-right:.875rem}h1{font-size:1.35rem}}iframe{width:100%;height:60dvh;min-height:18rem;border:1px solid var(--line);border-radius:8px}canvas{border:1px dashed var(--line);border-radius:6px;touch-action:none;width:100%;display:block}