:root { color-scheme: light dark; --fg: #1b1f24; --bg: #ffffff; --muted: #5b6470; --line: #d0d7de; --accent: #0b5cad; --err: #b42318; }
@media (prefers-color-scheme: dark) { :root { --fg: #e6edf3; --bg: #0d1117; --muted: #9aa4b2; --line: #30363d; --accent: #4493f8; --err: #ff7b72; } }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, sans-serif; }
header { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
header h1 { font-size: 1.25rem; margin: 0; flex: 1 1 auto; }
main { padding: 16px; max-width: 960px; margin: 0 auto; }
section { margin-bottom: 24px; }
h2 { font-size: 1.1rem; margin: 0 0 8px; }
h3 { font-size: 1rem; margin: 16px 0 8px; }
label { display: block; margin: 8px 0; color: var(--muted); }
input, select { display: block; width: 100%; max-width: 420px; padding: 8px; margin-top: 4px; font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; box-sizing: border-box; }
button { font: inherit; padding: 8px 14px; margin-top: 8px; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; }
header button { margin-top: 0; }
button.link { background: transparent; color: var(--accent); border-color: transparent; padding: 4px 0; margin: 0; }
ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: 6px 0; border-bottom: 1px solid var(--line); }
ul.plain button { margin: 2px 0; background: transparent; color: var(--accent); border-color: transparent; padding: 4px 0; }
ul.codes { list-style: none; padding: 0; columns: 2; font-family: ui-monospace, monospace; }
ul.codes li { padding: 4px 0; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td button { margin: 0; padding: 4px 10px; }
.token { font-family: ui-monospace, monospace; word-break: break-all; background: var(--line); padding: 8px; border-radius: 6px; min-height: 1em; }
.note { color: var(--muted); font-size: 0.9rem; }
#msg { min-height: 1.5em; }
#msg[data-kind="error"] { color: var(--err); font-weight: 600; }
a { color: var(--accent); }
@media (max-width: 480px) { main { padding: 12px; } ul.codes { columns: 1; } }