:root {
  --bg: #f4f6f9; --card: #fff; --line: #dfe3ea; --text: #1d2330; --muted: #6b7385;
  --primary: #2f5fd0; --primary-d: #234aa8; --ok: #1f8a4c; --warn: #c27a00; --bad: #c8372d;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.5 "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); }
header.top { display: flex; align-items: center; gap: 12px; padding: 10px 20px; background: #1f2a44; color: #fff; }
header.top h1 { font-size: 17px; margin: 0; flex: 1; }
header.top .who { font-size: 13px; opacity: .85; }
header.top button { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4); }
nav.tabs { display: flex; flex-wrap: wrap; gap: 4px; padding: 8px 20px 0; background: #fff; border-bottom: 1px solid var(--line); }
nav.tabs button { border: 0; background: none; padding: 10px 14px; font-size: 14px; border-bottom: 3px solid transparent; cursor: pointer; color: var(--muted); border-radius: 0; }
nav.tabs button.on { color: var(--primary); border-bottom-color: var(--primary); font-weight: 700; }
main { max-width: 1180px; margin: 18px auto; padding: 0 16px 40px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 16px; }
.card h2 { margin: 0 0 12px; font-size: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .grid2 { grid-template-columns: 1fr; } }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin-bottom: 10px; }
.row > label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); flex: 1 1 160px; }
.row > label.fix { flex: 0 0 auto; }
input, select, textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--text); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid #9db6f0; border-color: var(--primary); }
button { font: inherit; padding: 8px 14px; border-radius: 7px; border: 1px solid var(--line); background: #fff; cursor: pointer; color: var(--text); }
button:hover { background: #f0f3f9; }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover { background: var(--primary-d); }
button.danger { color: var(--bad); border-color: #e7b9b5; }
button.small { padding: 3px 9px; font-size: 13px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { background: #f0f3f9; font-size: 13px; color: var(--muted); white-space: nowrap; }
td.num, th.num { text-align: right; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #f7f9fd; }
.badge { display: inline-block; padding: 1px 9px; border-radius: 99px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.b-ok { background: #e1f5e9; color: var(--ok); }
.b-warn { background: #fff0d1; color: var(--warn); }
.b-bad { background: #fde3e1; color: var(--bad); }
.b-gray { background: #eceff4; color: var(--muted); }
.muted { color: var(--muted); font-size: 13px; }
.msg { padding: 8px 12px; border-radius: 7px; margin: 8px 0; font-size: 14px; }
.msg.ok { background: #e1f5e9; color: #14663a; }
.msg.err { background: #fde3e1; color: #9b231b; }
.msg.info { background: #e7eefc; color: #1e3f93; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 10px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; align-items: end; }
.toolbar .grow { flex: 1 1 220px; }
dialog { border: 1px solid var(--line); border-radius: 12px; padding: 0; width: min(720px, 94vw); max-height: 90vh; overflow: auto; }
dialog::backdrop { background: rgba(20, 25, 40, .45); }
dialog .dhead { display: flex; align-items: center; padding: 12px 18px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; }
dialog .dhead h3 { margin: 0; flex: 1; font-size: 16px; }
dialog .dbody { padding: 16px 18px; }
.picker select { margin-top: 4px; }
.login-box { max-width: 360px; margin: 12vh auto; }
.login-box h1 { font-size: 20px; text-align: center; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 4px 10px; font-size: 14px; margin-bottom: 8px; }
.kv b { color: var(--muted); font-weight: 600; }
.hist { margin: 6px 0 0; padding-left: 18px; font-size: 13px; }
.scroll-x { overflow-x: auto; }
audio { width: 100%; margin-top: 8px; }
ul.tracks { list-style: none; padding: 0; margin: 8px 0 0; }
ul.tracks li { padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; margin-bottom: 4px; cursor: pointer; background: #fff; }
ul.tracks li.on { background: #e7eefc; border-color: var(--primary); font-weight: 700; }
.checkcol { width: 28px; }
.hint { background: #e7eefc; color: #1e3f93; border-radius: 7px; padding: 8px 12px; margin: 6px 0; font-size: 13px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.stat { display: inline-block; min-width: 110px; padding: 10px 14px; margin: 0 8px 8px 0; background: #f0f3f9; border-radius: 9px; }
.stat b { display: block; font-size: 20px; }
.warnbox { background: #fff0d1; color: #7a4b00; border-radius: 7px; padding: 8px 12px; margin: 8px 0; font-size: 13px; }
.row > label.wide { flex: 2 1 260px; }
.row > label.narrow { flex: 0 1 110px; }
.inline { display: flex; flex-direction: row !important; align-items: center; gap: 6px; }
.inline input { width: auto; }