:root {
  --bg: #f6f3ee;
  --panel: #ffffff;
  --ink: #23201c;
  --muted: #6f675e;
  --line: #e2dcd2;
  --accent: #b4531f;
  --accent-ink: #ffffff;
  --ok: #2f7a4b;
  --ok-bg: #e6f2ea;
  --warn: #8a5a00;
  --warn-bg: #fdf1d8;
  --bad: #a3271f;
  --bad-bg: #fbe5e2;
  --info-bg: #eceae6;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1b1916; --panel: #25221e; --ink: #ede8e1; --muted: #a59d92; --line: #3a352f;
    --accent: #e07a3f; --ok: #7fcf9b; --ok-bg: #1f3227; --warn: #f0c060; --warn-bg: #3a2f17;
    --bad: #f08a80; --bad-bg: #3c201d; --info-bg: #2e2a25; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, textarea { font: inherit; color: inherit; }

.top { display: flex; align-items: center; gap: 24px; padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.brand .mark { background: var(--accent); color: var(--accent-ink); border-radius: 6px; padding: 2px 7px; font-size: 13px; letter-spacing: .5px; }
.brand .sub { font-weight: 400; color: var(--muted); font-size: 13px; }
nav { display: flex; gap: 4px; }
nav button { border: 0; background: none; padding: 7px 12px; border-radius: 7px; cursor: pointer; color: var(--muted); }
nav button.on { background: var(--info-bg); color: var(--ink); font-weight: 600; }
.who { margin-left: auto; font-size: 13px; color: var(--muted); display: flex; gap: 10px; align-items: center; }
.who button { border: 1px solid var(--line); background: none; border-radius: 6px; padding: 3px 9px; cursor: pointer; }

main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 60px; }
h1 { margin: 0 0 6px; } h2 { font-size: 17px; margin: 0 0 8px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 16px; }
.card.center { max-width: 420px; margin: 60px auto; text-align: center; }
.muted { color: var(--muted); } .small { font-size: 13px; } .error { color: var(--bad); }

button.primary, .btn { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; padding: 9px 16px; font-weight: 600; cursor: pointer; display: inline-block; }
button:not(.primary) { cursor: pointer; }
.actions button:not(.primary), .inline button, .grid button { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 7px 13px; }
button:disabled { opacity: .5; cursor: not-allowed; }
.actions { display: flex; gap: 8px; justify-content: flex-end; margin: 12px 0; }

.drop { display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; padding: 36px 20px; border: 2px dashed var(--line); border-radius: 14px; background: var(--panel); cursor: pointer; transition: border-color .15s, background .15s; }
.drop strong { font-size: 18px; } .drop span { color: var(--muted); max-width: 520px; }
.drop.over { border-color: var(--accent); background: var(--info-bg); }

.banner { border-radius: 10px; padding: 12px 16px; margin: 16px 0; }
.banner.ok { background: var(--ok-bg); color: var(--ok); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }

.summary { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.pill { border-radius: 999px; padding: 4px 12px; font-size: 13px; font-weight: 600; background: var(--info-bg); }
.pill.new { background: var(--ok-bg); color: var(--ok); }
.pill.attention { background: var(--bad-bg); color: var(--bad); }
.pill.done, .pill.duplicate, .pill.empty { background: var(--info-bg); color: var(--muted); }

.po { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--line); border-radius: 10px; padding: 12px 16px; margin-bottom: 8px; }
.po.new { border-left-color: var(--ok); } .po.attention { border-left-color: var(--bad); }
.po.done, .po.duplicate, .po.empty { opacity: .75; }
.po-head { display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; }
.po-head b { font-size: 15px; } .po-head .meta { color: var(--muted); font-size: 13px; }
.po-head .pill { margin-left: auto; }
.po .msg { font-size: 13px; margin-top: 4px; }
.po.attention .msg { color: var(--bad); }
.po ul { margin: 6px 0 0; padding-left: 18px; font-size: 13px; }
.po li.skip { color: var(--muted); }
.po label.override { font-size: 13px; display: inline-flex; gap: 6px; margin-top: 6px; color: var(--muted); }

.grid { width: 100%; border-collapse: collapse; background: var(--panel); font-size: 14px; }
.grid th, .grid td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.grid th { font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
.grid input[type=text], .grid input[type=number] { width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 5px 7px; background: var(--bg); }
.grid input[type=number] { width: 70px; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.inline { display: flex; gap: 6px; }
.inline input, textarea { border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; background: var(--panel); }
textarea { width: 100%; }
details { margin-top: 10px; font-size: 13px; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 10px; font-size: 14px; max-width: 90vw; }

@media (max-width: 640px) {
  .top { padding: 10px 16px; gap: 10px; }
  .who { margin-left: 0; width: 100%; }
  .grid { display: block; overflow-x: auto; }
}