:root {
  --bg: #f6f5f2;
  --card: #fff;
  --ink: #23211d;
  --muted: #8a857c;
  --accent: #a4693a;
  --accent-dark: #8a552c;
  --border: #e5e2db;
  --ok: #2e7d43;
  --err: #b3372e;
  font-size: 15px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 1rem;
  cursor: pointer;
}
button:hover { background: var(--accent-dark); }
button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button:disabled { opacity: 0.5; cursor: default; }
input, select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  width: 100%;
  background: #fff;
}
label { display: block; font-size: 0.85rem; color: var(--muted); }
label input, label select { margin-top: 4px; color: var(--ink); }
.muted { color: var(--muted); font-size: 0.85rem; }
.error { color: var(--err); min-height: 1.2em; margin-top: 8px; }

#login-screen { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 320px; text-align: center; }
.login-card h1 { margin: 0; letter-spacing: 0.1em; }
.login-card label { text-align: left; margin: 12px 0; }
.login-card button { width: 100%; margin-top: 8px; }

header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; letter-spacing: 0.12em; color: var(--accent); }
.spacer { flex: 1; }
nav { display: flex; gap: 4px; }
nav button { background: transparent; color: var(--ink); padding: 8px 12px; }
nav button:hover { background: var(--bg); }
nav button.active { background: var(--accent); color: #fff; }

main { max-width: 1100px; margin: 24px auto; padding: 0 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.toolbar select { width: 240px; }
.toolbar input { width: 300px; }
.row { display: flex; gap: 12px; align-items: center; margin: 12px 0; }
.grow { flex: 1; position: relative; }

table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); background: var(--card); }
.num { text-align: right; }
td.num { font-variant-numeric: tabular-nums; }
tr:hover td { background: #faf8f4; }

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  max-height: 260px;
  overflow-y: auto;
  z-index: 20;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
.dropdown div { padding: 8px 12px; cursor: pointer; }
.dropdown div:hover { background: var(--bg); }
.dropdown .price { float: right; color: var(--muted); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.8rem; }
.badge.done { background: #e2f2e6; color: var(--ok); }
.badge.error { background: #f9e3e1; color: var(--err); }
.badge.pending { background: #f0ede6; color: var(--muted); }

#sale-result { margin-top: 16px; padding: 16px; border-radius: 8px; background: var(--bg); }
#sale-result h4 { margin: 8px 0 4px; }
#sale-result ul { margin: 4px 0; padding-left: 20px; }
#sync-log td { font-size: 0.82rem; }
#sync-log td:last-child { word-break: break-all; max-width: 480px; }