:root {
  --bg: #ffffff;
  --fg: #1b1b1f;
  --muted: #6b6b76;
  --line: #e3e3e8;
  --accent: #2f6feb;
  --callout-bg: #fff8e6;
  --callout-line: #e8c874;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16161a;
    --fg: #e9e9ee;
    --muted: #9a9aa6;
    --line: #303038;
    --accent: #6fa0ff;
    --callout-bg: #2a2418;
    --callout-line: #6b5a2c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Pretendard", "Malgun Gothic", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  line-height: 1.7;
}

.topbar {
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 1.25rem;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.page {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

h1 { font-size: 1.6rem; letter-spacing: -0.02em; margin: 0 0 0.5rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 0.5rem; }

.lead { font-size: 1.05rem; }
.muted { color: var(--muted); }

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
  font-size: 0.94rem;
}

.doc th, .doc td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.doc th { background: color-mix(in srgb, var(--line) 40%, transparent); font-weight: 600; }

.callout {
  background: var(--callout-bg);
  border-left: 3px solid var(--callout-line);
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
}

.foot {
  border-top: 1px solid var(--line);
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
}

.foot a, a { color: var(--accent); }

/* ── 레이아웃 ── */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.nav { display: flex; align-items: center; gap: 0.9rem; font-size: 0.9rem; }
.who { color: var(--muted); }
.inline { display: inline; margin: 0; }
.nowrap { white-space: nowrap; }
.scroll-x { overflow-x: auto; }

/* ── 카드 / 폼 ── */
.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.75rem;
  max-width: 26rem;
  margin: 2rem auto;
}
.card.center { text-align: center; }
.form { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 1rem; text-align: left; }
.form label { font-size: 0.88rem; font-weight: 600; margin-top: 0.6rem; }

input, select {
  font: inherit;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ── 버튼 ── */
.btn, .btn-ghost, .btn-google, .mini, .btn-approve {
  font: inherit; cursor: pointer; border-radius: 6px; border: 1px solid var(--line);
}
.btn {
  margin-top: 1.1rem; padding: 0.6rem 1rem;
  background: var(--accent); color: #fff; border-color: transparent; font-weight: 600;
}
.btn-ghost { margin-top: 1rem; padding: 0.45rem 0.9rem; background: transparent; color: var(--muted); }
.btn-google {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  margin: 1.25rem 0 0.5rem; padding: 0.65rem 1.1rem;
  background: var(--bg); color: var(--fg); text-decoration: none; font-weight: 600;
}
.btn-google .g { font-weight: 800; color: #4285f4; }
.mini { padding: 0.2rem 0.45rem; font-size: 0.8rem; background: transparent; color: var(--fg); }
.mini.danger { color: #c0392b; border-color: #e0a9a2; }
.btn-approve {
  padding: 0.25rem 0.7rem; font-size: 0.85rem; font-weight: 600;
  background: #1e8e4e; color: #fff; border-color: transparent;
}
.linkish {
  background: none; border: none; padding: 0; font: inherit;
  color: var(--accent); cursor: pointer; text-decoration: underline;
}

/* ── 알림 문구 ── */
.error { color: #c0392b; background: #fdecea; border-radius: 6px; padding: 0.5rem 0.7rem; font-size: 0.9rem; }
.notice { color: #1e5c34; background: #e7f6ec; border-radius: 6px; padding: 0.5rem 0.7rem; font-size: 0.9rem; }
.badge-warn { display: inline-block; background: #fff1a8; color: #4a3c00; border-radius: 999px; padding: 0.2rem 0.75rem; font-weight: 600; font-size: 0.9rem; }
.fine { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }
.ok { color: #1e8e4e; font-weight: 600; }
.warn { color: #b26a00; font-weight: 600; }
.tag-off { display: inline-block; font-size: 0.75rem; background: var(--line); border-radius: 4px; padding: 0.1rem 0.4rem; margin-left: 0.3rem; }
.status { line-height: 2; padding-left: 1.1rem; }

@media (prefers-color-scheme: dark) {
  .error  { background: #3a1f1d; color: #ff9d92; }
  .notice { background: #16301f; color: #8fdcab; }
  .badge-warn { background: #3d3413; color: #ffe27a; }
}

/* ── 관리자 표 ── */
table.admin { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin-top: 0.75rem; }
table.admin th, table.admin td { border-bottom: 1px solid var(--line); padding: 0.5rem 0.4rem; text-align: left; vertical-align: middle; }
table.admin th { font-weight: 600; color: var(--muted); font-size: 0.82rem; }
tr.row-pending { background: color-mix(in srgb, #fff1a8 35%, transparent); }
tr.row-off { opacity: 0.55; }