:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #6b7280;
  --line: #dde1e7; --accent: #2563eb; --ok: #15803d; --okbg: #ecfdf3;
  --err: #b91c1c; --errbg: #fef2f2;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  padding: 24px 16px;
}
.wrap { max-width: 560px; margin: 0 auto; }
.top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.top h1 { font-size: 20px; margin: 0; }
.top a { color: var(--muted); font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
label { display: block; font-weight: 600; margin: 16px 0 6px; }
label:first-child { margin-top: 0; }
.hint { color: var(--muted); font-size: 13px; font-weight: 400; }
input[type=text], input[type=password], input[type=datetime-local], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; background: #fff; color: inherit;
}
textarea { resize: vertical; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.counter { text-align: right; color: var(--muted); font-size: 13px; margin-top: 4px; }
.counter.over { color: var(--err); font-weight: 600; }
.radios { display: flex; gap: 20px; flex-wrap: wrap; }
.radios label { display: flex; align-items: center; gap: 6px; font-weight: 400; margin: 0; }
button {
  width: 100%; margin-top: 20px; padding: 12px; border: 0; border-radius: 8px;
  background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer;
}
button:disabled { opacity: .6; cursor: default; }
.msg { border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; }
.msg.ok { background: var(--okbg); color: var(--ok); }
.msg.err { background: var(--errbg); color: var(--err); }
.msg small { display: block; color: var(--muted); margin-top: 4px; }
.login { max-width: 360px; margin: 10vh auto 0; }
.recent { margin-top: 8px; font-size: 14px; }
.recent summary { color: var(--accent); cursor: pointer; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  width: auto; margin: 0; padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; color: var(--text); font-size: 13px; font-weight: 400;
}
.chip span { color: var(--muted); margin-left: 4px; }
.chip:hover { border-color: var(--accent); }