:root { --fg: #1d1d1f; --muted: #6b6b70; --line: #e3e3e8; --bg: #fafafb; --accent: #1a56db; --ok: #0e7a3d; --bad: #b42318; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; color: var(--fg); background: var(--bg); }
header { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; padding: 12px 24px; background: #fff; border-bottom: 1px solid var(--line); }
header .brand { font-weight: 700; color: var(--fg); text-decoration: none; }
header nav { display: flex; gap: 16px; }
header .now { margin-left: auto; color: var(--muted); }
header .timer { font-variant-numeric: tabular-nums; color: var(--fg); font-weight: 600; margin-left: 6px; }
main { max-width: 1080px; margin: 0 auto; padding: 24px; }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0 0 12px; }
h2 { font-size: 1.15rem; margin: 28px 0 10px; }
section.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 20px; margin: 16px 0; }
.muted { color: var(--muted); }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.ok { color: var(--ok); font-weight: 600; }
.bad { color: var(--bad); font-weight: 600; }
pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.88rem; }
pre { background: #f2f2f5; padding: 10px 12px; border-radius: 8px; overflow-x: auto; white-space: pre-wrap; }
.cmd { display: flex; gap: 8px; align-items: flex-start; }
.cmd pre { flex: 1; margin: 0; }
button, .button { font: inherit; padding: 6px 14px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; }
button.secondary { background: #fff; color: var(--accent); }
input[type=text], input[type=password], select, textarea { font: inherit; width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
textarea { min-height: 90px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9rem; }
label { display: block; margin: 12px 0 4px; font-weight: 600; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 16px; }
.tabs a { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--fg); background: #fff; }
.tabs a.on { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.msg { border-left: 3px solid var(--line); padding: 4px 12px; margin: 10px 0; white-space: pre-wrap; }
.msg.agent { border-color: #9aa5b1; }
.msg.human { border-color: var(--accent); }
ol.steps li { margin: 4px 0; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 240px; }