:root {
  --bg: #f6f5f1;
  --card: #ffffff;
  --ink: #1d1d1f;
  --muted: #6b6b70;
  --line: #e2e0d9;
  --accent: #1f5135;
  --accent-ink: #ffffff;
  --ok: #1f7a46;
  --ok-bg: #e5f3ea;
  --warn: #8a5a00;
  --warn-bg: #fdf1d6;
  --bad: #a3271f;
  --bad-bg: #fbe5e2;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); font-size: 15px; line-height: 1.45; }
.muted { color: var(--muted); }
.error { color: var(--bad); font-weight: 600; min-height: 1.4em; }

.btn {
  font: inherit; border-radius: 8px; padding: 8px 14px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.btn:hover { border-color: #c9c6bc; }
.btn:disabled { opacity: .55; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; padding: 10px 20px; }
.btn.ghost { background: transparent; }
.btn.chip { padding: 4px 10px; font-size: 13px; border-radius: 999px; white-space: normal; text-align: left; }

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px;
  padding: 10px 24px; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; }
.index-status { margin-left: auto; color: var(--muted); font-size: 13px; }

main { max-width: 980px; margin: 0 auto; padding: 24px 24px 120px; }

/* drop zone */
.dropzone {
  display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center;
  padding: 36px 20px; border: 2px dashed #cbc8bd; border-radius: var(--radius); background: var(--card);
  cursor: pointer; transition: border-color .15s, background .15s;
}
.dropzone strong { font-size: 18px; }
.dropzone.over { border-color: var(--accent); background: #eef5f0; }
.dropzone.busy { opacity: .7; pointer-events: none; }

/* invoice */
.invoice-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin: 28px 0 12px; flex-wrap: wrap; }
.invoice-head h1 { margin: 0; font-size: 22px; }
.invoice-head p { margin: 4px 0 0; }
.counts { display: flex; gap: 6px; flex-wrap: wrap; }

.pill { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }

.lines { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.line { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--line); border-radius: var(--radius); }
.line.ok { border-left-color: var(--ok); }
.line.warn { border-left-color: #e0a526; }
.line.bad { border-left-color: var(--bad); }
.line-head { display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px 4px; }
.line-no { font-weight: 700; color: var(--muted); min-width: 1.5em; }
.line-title { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.line-title strong { overflow-wrap: anywhere; }
.line-title .muted { font-size: 13px; }
.line-body { padding: 0 14px 12px calc(14px + 1.5em + 12px); }
.note { margin: 6px 0; color: var(--warn); font-size: 13px; }
.folder { margin: 6px 0 4px; font-size: 14px; overflow-wrap: anywhere; }

.files { list-style: none; padding: 0; margin: 0 0 6px; }
.files li { display: flex; align-items: center; gap: 10px; padding: 3px 0; }
.files label { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; font-size: 14px; overflow-wrap: anywhere; cursor: pointer; }
.files input { width: 17px; height: 17px; flex: none; accent-color: var(--accent); }
.preview { font-size: 13px; color: var(--accent); }

.candidates { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 6px 0; font-size: 13px; }
.line-actions { display: flex; align-items: center; gap: 14px; margin-top: 6px; flex-wrap: wrap; }
.remember { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); cursor: pointer; }
.remember input { accent-color: var(--accent); }

/* print bar */
.printbar {
  position: fixed; left: 0; right: 0; bottom: 0; display: flex; align-items: center; justify-content: flex-end; gap: 12px;
  padding: 12px 24px; background: var(--card); border-top: 1px solid var(--line); box-shadow: 0 -4px 16px rgb(0 0 0 / .05);
}
.printbar #printSummary { margin-right: auto; color: var(--muted); }

#printFrame { position: fixed; right: 0; bottom: 0; width: 1px; height: 1px; border: 0; opacity: 0; pointer-events: none; }

/* picker */
dialog#picker {
  width: min(680px, calc(100vw - 32px)); max-height: 80vh; padding: 0; border: 1px solid var(--line);
  border-radius: var(--radius); display: none; flex-direction: column;
}
dialog#picker[open] { display: flex; }
dialog::backdrop { background: rgb(0 0 0 / .3); }
.picker-head { display: flex; gap: 8px; padding: 14px 14px 6px; }
.picker-head input { flex: 1; font: inherit; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; }
.picker-for { margin: 0; padding: 0 14px 8px; font-size: 13px; overflow-wrap: anywhere; }
.picker-list { list-style: none; margin: 0; padding: 0 8px 8px; overflow: auto; }
.picker-list > li.muted { padding: 10px; }
.pick {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px; width: 100%; text-align: left;
  font: inherit; background: none; border: 0; border-radius: 8px; padding: 8px 10px; cursor: pointer;
}
.pick:hover, .pick:focus-visible { background: #f0efe9; }
.pick .muted { font-size: 13px; }

/* login */
.login-page { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  display: flex; flex-direction: column; align-items: stretch; gap: 10px; width: min(340px, calc(100vw - 32px));
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
}
.login-card img { align-self: center; }
.login-card h1 { margin: 0; text-align: center; font-size: 22px; }
.login-card p { margin: 0; }
.login-card input { font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }

@media (max-width: 640px) {
  .topbar { padding: 10px 16px; flex-wrap: wrap; }
  .index-status { order: 5; width: 100%; margin-left: 0; }
  main { padding: 16px 16px 140px; }
  .line-body { padding-left: 14px; }
  .printbar { padding: 10px 16px; flex-wrap: wrap; }
}