:root {
  --bg: #f6f7f9; --panel: #ffffff; --text: #1d2330; --muted: #5d6676;
  --line: #dde1e7; --accent: #1f5f8b; --error-bg: #fdecec; --error: #9b1c1c;
  --ok-bg: #e7f4ec; --ok: #1d6b3a; --warn-bg: #fdf3dc; --warn: #7a4d00;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c; --panel: #1d2129; --text: #e7eaf0; --muted: #9aa3b2;
    --line: #2e3440; --accent: #7cb7e0; --error-bg: #3a1d1d; --error: #f3b0b0;
    --ok-bg: #1b3326; --ok: #a6dcb8; --warn-bg: #3a2f17; --warn: #f0cf8a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
main { max-width: 64rem; margin: 0 auto; padding: 2rem 1rem; }

.topbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem;
          padding: .75rem 1rem; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 1.2rem; text-decoration: none; color: var(--text); letter-spacing: .02em; }
.who { color: var(--muted); font-size: .9rem; }

.signin { max-width: 24rem; margin: 12vh auto 0; padding: 2.5rem 2rem; text-align: center;
          background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.brand-lg { margin: 0; font-size: 2.4rem; letter-spacing: .03em; }
.lede { color: var(--muted); margin: .5rem 0 1.5rem; }
.fine { color: var(--muted); font-size: .85rem; margin-top: 1rem; }
.notice { padding: .6rem .8rem; border-radius: 8px; background: var(--bg); font-size: .9rem; }
.notice.error { background: var(--error-bg); color: var(--error); }

.ms-button { display: inline-flex; align-items: center; justify-content: center; gap: .75rem; width: 100%;
             padding: .75rem 1rem; font: inherit; font-weight: 600; cursor: pointer;
             color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.ms-button:hover { border-color: var(--accent); }
.ms-button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.cards { list-style: none; padding: 0; display: grid; gap: 1rem;
         grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); }
.cards li { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.25rem; }
.cards h2 { margin: 0 0 .25rem; font-size: 1.1rem; }
.cards p { margin: 0 0 .75rem; color: var(--muted); font-size: .92rem; }
.soon { font-size: .8rem; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: .1rem .6rem; }

.signin h1 { margin-top: 0; }
.fields { display: grid; gap: .9rem; text-align: left; }
.fields label { display: grid; gap: .3rem; font-size: .9rem; font-weight: 600; }
.fields small { font-weight: 400; color: var(--muted); }
.fields input { font: inherit; font-weight: 400; padding: .6rem .7rem; color: var(--text); background: var(--bg);
                border: 1px solid var(--line); border-radius: 8px; }
.fields input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.primary { margin-top: .4rem; padding: .75rem 1rem; font: inherit; font-weight: 600; cursor: pointer;
           color: #fff; background: var(--accent); border: 0; border-radius: 8px; }
@media (prefers-color-scheme: dark) { .primary { color: #0f1720; } }
.primary:hover { filter: brightness(1.08); }
.primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.or { display: flex; align-items: center; gap: .75rem; margin: 1.25rem 0; color: var(--muted); font-size: .85rem; }
.or::before, .or::after { content: ""; flex: 1; border-top: 1px solid var(--line); }

/* ---- Tool pages (SKU subs) ---- */
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.page-head h1 { margin: 0; }
.crumbs { margin: 0 0 .25rem; font-size: .9rem; color: var(--muted); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.25rem; margin: 0 0 1.25rem; }
.panel h2 { margin: 0 0 .75rem; font-size: 1.1rem; }
.notice.ok { background: var(--ok-bg); color: var(--ok); }
.notice.warn { background: var(--warn-bg); color: var(--warn); display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.button, button.small { display: inline-block; padding: .5rem .9rem; font: inherit; font-size: .92rem; font-weight: 600;
                        color: var(--accent); background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
                        text-decoration: none; cursor: pointer; }
.button:hover, button.small:hover { border-color: var(--accent); }
button.link { padding: 0; font: inherit; color: var(--accent); background: none; border: 0; cursor: pointer; text-decoration: underline; }
button.link.danger { color: var(--error); }

.sub-form { display: grid; grid-template-columns: 1fr auto 1fr auto; gap: .75rem; align-items: start; }
.sub-form label { display: grid; gap: .3rem; font-size: .9rem; font-weight: 600; }
.sub-form .arrow { padding-top: 2.1rem; color: var(--muted); }
.sub-form .primary { margin-top: 1.55rem; }
.sub-form input, .list-search input { width: 100%; font: inherit; font-weight: 400; padding: .6rem .7rem; color: var(--text);
                                      background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
.sub-form input:focus, .list-search input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
@media (max-width: 40rem) { .sub-form { grid-template-columns: 1fr; } .sub-form .arrow { display: none; } .sub-form .primary { margin-top: 0; } }

.has-suggest { position: relative; }
.suggest { position: absolute; z-index: 10; top: 100%; left: 0; right: 0; margin: .25rem 0 0; padding: .25rem 0; list-style: none;
           max-height: 20rem; overflow-y: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
           box-shadow: 0 6px 20px rgba(0, 0, 0, .15); font-weight: 400; }
.suggest li { display: grid; gap: .1rem; padding: .45rem .75rem; cursor: pointer; }
.suggest li span { color: var(--muted); font-size: .85rem; }
.suggest li.active, .suggest li:hover { background: var(--bg); }
.suggest li.dim strong { color: var(--muted); }
.suggest li.none { color: var(--muted); cursor: default; }
.picked { font-weight: 400; color: var(--muted); font-size: .85rem; min-height: 1.2em; }

.list-search { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-bottom: .75rem; }
.list-search h2 { margin: 0; flex: 1 1 auto; }
.list-search input { width: auto; flex: 0 1 18rem; }
.count { color: var(--muted); font-weight: 400; font-size: .95rem; }
.table-wrap { overflow-x: auto; }
.grid { width: 100%; border-collapse: collapse; font-size: .92rem; }
.grid th { text-align: left; color: var(--muted); font-weight: 600; font-size: .85rem; padding: .4rem .6rem; border-bottom: 1px solid var(--line); }
.grid td { padding: .55rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.grid td small { display: block; color: var(--muted); }
.grid .actions { white-space: nowrap; text-align: right; }
.grid .actions form { display: inline; margin-left: .75rem; }
.grid tr.st-error td { background: var(--error-bg); }
.tag { display: inline-block; font-size: .75rem; font-weight: 600; border-radius: 99px; padding: .05rem .5rem;
       border: 1px solid var(--line); color: var(--muted); }
.tag.warn, .tag.replace { color: var(--warn); background: var(--warn-bg); border-color: transparent; }
.tag.ok { color: var(--ok); background: var(--ok-bg); border-color: transparent; }
.tag.error { color: var(--error); background: var(--error-bg); border-color: transparent; }

.tally { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin: 0 0 1rem; color: var(--muted); }
.tally strong { color: var(--text); font-size: 1.2rem; margin-right: .2rem; }
.tally .bad strong { color: var(--error); }
.confirm { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.confirm .primary { margin-top: 0; }
.check { display: flex; align-items: center; gap: .5rem; flex: 1 1 100%; }
.upload { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.upload .primary { margin-top: 0; }
.steps li { margin-bottom: .35rem; }
.cards a.card-link { color: inherit; text-decoration: none; display: block; }
.open { font-size: .8rem; font-weight: 600; color: var(--accent); }