/* Seller panel. Hand-written CSS, no framework: the whole file is ~6 KB so the
   panel opens fast on a phone on mobile data. */
:root {
  --brand: #fa7979;
  --ink: #1f2430;
  --muted: #6b7280;
  --line: #e6e8ec;
  --bg: #f6f7f9;
  --ok: #0f9d58;
  --warn: #b45309;
  --bad: #c0392b;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink); background: var(--bg);
  -webkit-text-size-adjust: 100%;
}
a { color: #1a5ed8; text-decoration: none; }
a:hover { text-decoration: underline; }
.boot { padding: 60px; text-align: center; color: var(--muted); }

/* shell */
.top {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 14px;
  background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px;
}
.top .brand { font-weight: 700; letter-spacing: .2px; }
.top .brand span { color: var(--brand); }
.top .store { color: var(--muted); font-size: 13px; margin-left: auto; text-align: right; }
.top button.link { background: none; border: 0; color: #1a5ed8; cursor: pointer; font-size: 13px; padding: 0; }

nav.tabs { display: flex; gap: 2px; overflow-x: auto; background: #fff; border-bottom: 1px solid var(--line); padding: 0 8px; position: sticky; top: 45px; z-index: 19; }
nav.tabs a {
  padding: 11px 14px; color: var(--muted); font-weight: 600; font-size: 14px; white-space: nowrap;
  border-bottom: 2px solid transparent; text-decoration: none;
}
nav.tabs a.on { color: var(--ink); border-bottom-color: var(--brand); }
main { padding: 16px; max-width: 1100px; margin: 0 auto; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.card .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.card .v { font-size: 22px; font-weight: 700; margin-top: 4px; }
.card .s { color: var(--muted); font-size: 12px; margin-top: 2px; }

/* table */
.wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { background: #fbfbfc; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; white-space: nowrap; }
.thumb { width: 40px; height: 40px; object-fit: cover; border-radius: 6px; background: #eee; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* pills */
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: #eef1f5; color: #46506a; }
.pill.ok { background: #e7f6ed; color: var(--ok); }
.pill.warn { background: #fdf3e3; color: var(--warn); }
.pill.bad { background: #fdecea; color: var(--bad); }

/* controls */
.bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
input[type=text], input[type=number], input[type=password], input[type=email], select {
  font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); min-width: 0;
}
input:focus, select:focus { outline: 2px solid #cfe0ff; border-color: #9cc0ff; }
button {
  font: inherit; font-weight: 600; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; cursor: pointer;
}
button.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
button.primary:disabled { opacity: .6; cursor: default; }
button.chip { padding: 6px 12px; border-radius: 999px; font-size: 13px; }
button.chip.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.err { background: #fdecea; color: var(--bad); border: 1px solid #f5c6c2; padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; }
.ok { background: #e7f6ed; color: var(--ok); border: 1px solid #bfe6cd; padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; }

/* login */
.login { max-width: 360px; margin: 60px auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.login h1 { font-size: 20px; margin: 0 0 4px; }
.login p.sub { color: var(--muted); margin: 0 0 16px; font-size: 14px; }
.login label { display: block; font-size: 13px; font-weight: 600; margin: 10px 0 4px; }
.login input { width: 100%; }
.login button { width: 100%; margin-top: 16px; }

/* order/product detail */
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.panel h3 { margin: 0 0 10px; font-size: 15px; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; font-size: 14px; }
.kv .k { color: var(--muted); }
.pager { display: flex; gap: 8px; justify-content: center; margin: 16px 0; }

@media (max-width: 640px) {
  main { padding: 12px; }
  th.hide-sm, td.hide-sm { display: none; }
  .card .v { font-size: 19px; }
  table { font-size: 13px; }
  th, td { padding: 8px 8px; }
  .kv { grid-template-columns: 110px 1fr; }
  input[type=number] { width: 72px !important; }
}