:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #1d2125; --muted: #66707a; --line: #dfe3e8;
  --accent: #0f8b8d; --accent-text: #ffffff; --danger: #c0392b; --ok: #1e8449; --warn: #b9770e;
  --chip: #eef1f4; --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181c; --surface: #1d2126; --text: #e6e9ec; --muted: #9aa3ad; --line: #2e343b;
    --accent: #35b5b7; --accent-text: #0b1214; --danger: #e5675a; --ok: #58c27d; --warn: #e0a94a; --chip: #262b31;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .5rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.topbar { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.25rem; padding: .75rem 1rem; background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.topbar nav { display: flex; flex-wrap: wrap; gap: .25rem; flex: 1; }
.topbar nav a { padding: .3rem .7rem; border-radius: 999px; text-decoration: none; color: var(--muted); }
.topbar nav a.on, .topbar nav a:hover { background: var(--chip); color: var(--text); }
.logout { display: flex; gap: .5rem; align-items: center; margin: 0; }
.who { color: var(--muted); font-size: .9rem; }
.page { max-width: 1100px; margin: 0 auto; padding: 1.25rem 1rem 4rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 1rem; }
.narrow { max-width: 420px; margin: 4rem auto; }
.center { text-align: center; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.stat { font-size: 1.8rem; font-weight: 700; }
.button, button.button { display: inline-block; padding: .5rem 1rem; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--text); font: inherit; cursor: pointer; text-decoration: none; }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.button.danger { color: var(--danger); border-color: var(--danger); }
.button.wide { width: 100%; margin-top: .5rem; }
.button:disabled { opacity: .5; cursor: not-allowed; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }
.flash { padding: .6rem .9rem; border-radius: 8px; margin-bottom: 1rem; background: var(--chip); }
.flash.error { color: var(--danger); }
.flash.ok { color: var(--ok); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .85rem; white-space: nowrap; }
.chip { display: inline-block; padding: .05rem .55rem; border-radius: 999px; background: var(--chip); font-size: .8rem; white-space: nowrap; }
.chip.open { color: var(--warn); }
.chip.done { color: var(--ok); }
.chip.dismissed { color: var(--muted); }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0 1rem; }
label { display: block; font-weight: 600; margin: .75rem 0 .25rem; }
input[type=text], input[type=number], input[type=search], select, textarea { width: 100%; padding: .5rem .6rem; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; }
textarea { min-height: 6rem; resize: vertical; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; }
.row > * { flex: 1 1 160px; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.pre { white-space: pre-wrap; }
.spoiler { background: var(--chip); border-radius: 8px; padding: .6rem .8rem; }
.pager { display: flex; gap: .5rem; align-items: center; margin-top: 1rem; }