:root {
  --bg: #f4f6f9; --card: #fff; --line: #dde2ea; --text: #1d2433; --muted: #6b7486;
  --primary: #2f6fde; --danger: #d9534f;
  --met: #1a7f4b; --met-bg: #e3f5ea; --unmet: #52514e; --unmet-bg: #eef0f3;
  --err: #b42318; --err-bg: #fdecea; --warn-bg: #fff5d6;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.5;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Hiragino Sans", "Noto Sans JP", sans-serif;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.35rem; margin: .2rem 0 .6rem; word-break: break-word; }
h2 { font-size: 1.05rem; margin: .2rem 0 .8rem; }
.wrap { max-width: 920px; margin: 0 auto; padding: 1rem; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .4rem;
  background: #1f2a44; color: #fff; padding: .55rem 1rem; position: sticky; top: 0; z-index: 10;
}
.topbar .brand { color: #fff; font-weight: 700; font-size: 1.05rem; }
.topbar nav { display: flex; flex-wrap: wrap; gap: .15rem; align-items: center; }
.topbar nav a, .topbar .linkbtn {
  color: #cfd7ea; padding: .35rem .6rem; border-radius: 6px; background: none; border: 0; font: inherit; cursor: pointer;
}
.topbar nav a.on, .topbar nav a:hover, .topbar .linkbtn:hover { background: #33415f; color: #fff; text-decoration: none; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin-bottom: 1rem; }
.flash { background: #e8f1ff; border: 1px solid #b9d2fb; padding: .6rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.banner { background: var(--warn-bg); border: 1px solid #f0d58a; padding: .6rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.muted { color: var(--muted); }
.small { font-size: .85em; }
.req { color: var(--danger); }
.nowrap { white-space: nowrap; }
.break { word-break: break-all; }
.r { text-align: right; }
.err-text { color: var(--err); }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: .6rem; margin-bottom: .8rem; }
.page-head h1 { margin: 0 0 .3rem; }
.btn-row { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.btn-row.end { justify-content: flex-end; margin-top: .8rem; }
.btn {
  display: inline-block; padding: .45rem .9rem; border: 1px solid var(--line); border-radius: 7px; background: #fff;
  color: var(--text); font: inherit; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: #f0f3f8; text-decoration: none; }
.btn:disabled { opacity: .55; cursor: default; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: #2459b8; }
.btn.danger { color: var(--danger); border-color: #efc4c3; }
.btn.small { padding: .25rem .6rem; font-size: .85rem; }
.btn.full { width: 100%; }
form.inline { display: inline; margin: 0; }
input, select, textarea {
  font: inherit; padding: .45rem .55rem; border: 1px solid #c9d0db; border-radius: 6px; background: #fff; width: 100%;
}
select.auto { width: auto; }
input[type=checkbox], input[type=radio] { width: auto; margin: 0 .35rem 0 0; }
label { display: block; font-size: .9rem; color: #3b4458; margin-bottom: .7rem; }
label > input, label > select, label > textarea { margin-top: .2rem; }
label.check { display: flex; align-items: center; margin: .5rem 0; }
.form-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 0 1rem; }
.field { margin-bottom: .8rem; }
.field .label { display: block; font-size: .9rem; color: #3b4458; margin-bottom: .3rem; }
.seg { display: flex; flex-wrap: wrap; gap: .4rem; }
.seg-item { display: flex; align-items: center; margin: 0; padding: .4rem .8rem; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.seg-item:has(input:checked) { border-color: var(--primary); background: #eef4ff; color: var(--primary); font-weight: 600; }
.hint { margin: -.4rem 0 .8rem; min-height: 1em; color: var(--primary); }
fieldset.type-box { border: 1px solid var(--line); border-radius: 8px; padding: .6rem 1rem .8rem; margin: .4rem 0 0; }
fieldset.type-box legend { font-weight: 600; padding: 0 .3rem; }
.phrase-row { display: flex; gap: .4rem; margin-bottom: .4rem; }
.check-row { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.check-row label.check { margin: 0; }
.price-in { width: 8rem; }
.login-box { max-width: 360px; margin: 3rem auto; }

/* badges */
.badges { display: flex; flex-wrap: wrap; gap: .3rem; }
.badge { display: inline-block; font-size: .78rem; padding: .08rem .5rem; border-radius: 999px; font-weight: 600; white-space: nowrap; border: 1px solid transparent; }
.badge.met { background: var(--met-bg); color: var(--met); }
.badge.unmet { background: var(--unmet-bg); color: var(--unmet); }
.badge.none { background: #f4f4f2; color: var(--muted); border-color: var(--line); }
.badge.err { background: var(--err-bg); color: var(--err); }
.badge.checking { background: #eef4ff; color: var(--primary); }
.badge.type-amazon { background: #fff3e0; color: #8a4b00; }
.badge.type-text { background: #eaf2ff; color: #1f4f9e; }
.badge.type-ai { background: #f1edff; color: #4b3aa8; }

/* list */
.watch-list .watch { padding: .85rem 1rem; }
.watch.off { opacity: .65; }
.watch-top { display: flex; justify-content: space-between; gap: .5rem; flex-wrap: wrap; align-items: flex-start; }
.watch-name { font-weight: 700; font-size: 1.02rem; color: var(--text); word-break: break-word; }
.watch-amazon { margin-top: .35rem; }
.watch-amazon .price, .price { font-weight: 700; font-variant-numeric: tabular-nums; }
.watch-summary { margin-top: .3rem; color: #3b4458; }
.watch-bottom { display: flex; justify-content: space-between; align-items: center; gap: .5rem; flex-wrap: wrap; margin-top: .6rem; }
.toggle { width: 42px; height: 24px; border-radius: 999px; border: 0; background: #c9d0db; position: relative; cursor: pointer; padding: 0; vertical-align: middle; }
.toggle span { position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: left .15s; }
.toggle.on { background: var(--met); }
.toggle.on span { left: 21px; }

/* detail */
.kv { display: grid; grid-template-columns: 7.5rem 1fr; gap: .45rem .8rem; margin: 0; }
.kv dt { color: var(--muted); font-size: .88rem; }
.kv dd { margin: 0; word-break: break-word; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; margin-bottom: .8rem; }
.tile { border: 1px solid var(--line); border-radius: 8px; padding: .5rem .7rem; }
.tile-label { font-size: .8rem; color: var(--muted); }
.tile-value { font-size: 1.25rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; }
table.log { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.log th, table.log td { border-bottom: 1px solid var(--line); padding: .4rem .45rem; text-align: left; vertical-align: top; }
table.log th { color: var(--muted); font-weight: 600; font-size: .8rem; }
table.log th.r, table.log td.r { text-align: right; }
table.log tr.row-err td { background: #fffafa; }
details.card > summary { cursor: pointer; list-style: none; }
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::before { content: "▸ "; color: var(--muted); }
details.card[open] > summary::before { content: "▾ "; }
.inline-h { display: inline; }
details.card[open] > summary { margin-bottom: .8rem; }
.danger-zone { text-align: right; margin-bottom: 2rem; }

/* price chart */
.viz-root {
  position: relative; width: 100%;
  --surface-1: #fff; --text-secondary: #52514e; --grid: #e6e8ec; --series-1: #2a78d6;
}
.viz-root svg { display: block; touch-action: pan-y; }
.viz-root .grid { stroke: var(--grid); stroke-width: 1; }
.viz-root .axis { fill: var(--text-secondary); font-size: 11px; font-variant-numeric: tabular-nums; }
.viz-root .series { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.viz-root .dot { fill: var(--series-1); stroke: var(--surface-1); stroke-width: 2; }
.viz-root .hair { stroke: #8a93a6; stroke-width: 1; stroke-dasharray: 3 3; }
.viz-root .tip {
  position: absolute; pointer-events: none; background: #1f2a44; color: #fff; padding: .3rem .55rem;
  border-radius: 6px; font-size: .8rem; white-space: nowrap; box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.viz-root .tip strong { font-size: .95rem; font-variant-numeric: tabular-nums; }
.viz-root .tip div { color: #cfd7ea; }

@media (max-width: 600px) {
  .wrap { padding: .7rem; }
  .form-grid { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: .1rem; }
  .kv dd { margin-bottom: .45rem; }
  .tile-value { font-size: 1.05rem; }
  .topbar nav a, .topbar .linkbtn { padding: .3rem .45rem; }
}