:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #16181d;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #4f46e5;
  --brand-ink: #ffffff;
  --accent: #eef2ff;
  --ok: #16a34a;
  --ok-bg: #dcfce7;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --bad: #b91c1c;
  --bad-bg: #fee2e2;
  --code-bg: #f3f4f6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #171a21;
    --ink: #e8eaed;
    --muted: #9aa0a6;
    --line: #262b35;
    --brand: #818cf8;
    --brand-ink: #0f1115;
    --accent: #232743;
    --ok: #4ade80;
    --ok-bg: #14351f;
    --warn: #fbbf24;
    --warn-bg: #3a2d10;
    --bad: #f87171;
    --bad-bg: #3b1518;
    --code-bg: #1f232c;
  }
}
* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  margin: 0; padding: 1rem;
  background: var(--bg); color: var(--ink);
}
main, .wrap { max-width: 980px; margin: 0 auto; }
main.admin-wrap { padding: 0; }

/* ── 헤더 ── */
.admin-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .75rem;
  padding: .25rem 0 1rem;
}
.brand { display: flex; align-items: center; gap: .65rem; }
.brand .logo {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), #8b5cf6);
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
}
.brand h1 { font-size: 1.2rem; margin: 0; letter-spacing: -.02em; }
.brand .sub { margin: 0; font-size: .78rem; color: var(--muted); }
.tabs { display: flex; gap: .4rem; }
.tab {
  padding: .45rem .95rem; border-radius: 8px; text-decoration: none;
  color: var(--muted); font-size: .9rem; font-weight: 500;
  border: 1px solid transparent;
}
.tab:hover { color: var(--ink); background: var(--code-bg); }
.tab.active { background: var(--accent); color: var(--brand); border-color: var(--brand); }
.tab.ghost { border-color: var(--line); }

/* ── 카드 ── */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 1.15rem 1.25rem; margin-bottom: 1.1rem;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.card h2 { font-size: 1rem; margin: 0 0 .9rem; letter-spacing: -.01em; }

/* ── 폼 ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem .9rem; }
.field { display: flex; flex-direction: column; gap: .3rem; }
.field label { font-size: .8rem; font-weight: 600; color: var(--muted); }
.field .opt { font-weight: 400; opacity: .7; font-size: .72rem; }
.field input {
  padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font: inherit;
}
.field input:focus { outline: 2px solid var(--brand); outline-offset: -1px; border-color: var(--brand); }
.span2 { grid-column: span 2; }
.preview-row { margin: 0; }
.url-preview {
  font-family: ui-monospace, Consolas, monospace; font-size: .88rem;
  background: var(--code-bg); border-radius: 8px; padding: .5rem .75rem;
  display: inline-block; min-height: 1.4em;
}
.url-preview.big { display: block; padding: .65rem .8rem; font-size: .95rem; }
.submit-row { display: flex; align-items: center; gap: .9rem; flex-wrap: wrap; }
.hint { font-size: .78rem; color: var(--muted); }
.err { color: var(--bad); font-size: .85rem; min-height: 1.2em; margin: .4rem 0 0; }

/* ── 버튼 ── */
.btn {
  cursor: pointer; padding: .45rem .95rem; border-radius: 8px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  font: inherit; font-weight: 500; transition: filter .12s;
}
.btn:hover { filter: brightness(1.06); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn.sm { padding: .3rem .6rem; font-size: .8rem; }
.btn.danger { color: var(--bad); border-color: var(--bad-bg); }
.btn.danger:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.bulk-bar { display: flex; align-items: center; gap: .75rem; margin: .25rem 0 .5rem; flex-wrap: wrap; }
td.chk, th:first-child { width: 2.2rem; text-align: center; }

/* ── 테이블 ── */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin: .25rem 0 .75rem; }
th, td { padding: .55rem .6rem; border-bottom: 1px solid var(--line); text-align: left; font-size: .86rem; vertical-align: top; }
th { color: var(--muted); font-size: .78rem; font-weight: 600; white-space: nowrap; }
tr:hover td { background: color-mix(in srgb, var(--accent) 40%, transparent); }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: .84rem; }
.pill { display: inline-block; padding: .18rem .55rem; border-radius: 20px; font-size: .74rem; font-weight: 600; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.muted { color: var(--muted); }
.small { font-size: .8rem; }

/* ── 배너 ── */
.banner {
  border-radius: 12px; padding: .8rem 1rem; margin-bottom: 1rem;
  font-size: .88rem; line-height: 1.5;
  border: 1px solid var(--line);
}
.banner.stop { background: var(--bad-bg); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 30%, transparent); }
.banner.ok { background: var(--ok-bg); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }

/* ── 대화상자 ── */
.dlg { border: 1px solid var(--line); border-radius: 14px; padding: 1.25rem; background: var(--card); color: var(--ink); }
.dlg::backdrop { background: rgba(0,0,0,.4); }
.dlg h3 { margin: 0 0 .8rem; font-size: 1rem; }
.btn-row { display: flex; gap: .5rem; margin-top: .9rem; justify-content: flex-end; }