:root {
  --bg: #f5f6f8; --card: #ffffff; --ink: #1d2330; --muted: #6b7280; --line: #e3e6eb;
  --accent: #1f6feb; --accent-ink: #ffffff; --ok: #16803c; --ok-bg: #e6f4ea; --warn: #9a6700; --warn-bg: #fff4d6;
  --bad: #b42318; --bad-bg: #fdecea; --input: #fffbea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c; --card: #1c2027; --ink: #e6e8eb; --muted: #9aa3ae; --line: #2c323b;
    --accent: #4c8dff; --ok: #4ade80; --ok-bg: #12301d; --warn: #f2c94c; --warn-bg: #3a2f0f;
    --bad: #ff7b72; --bad-bg: #3b1513; --input: #2a2717;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 "Segoe UI", system-ui, sans-serif; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
button { font: inherit; cursor: pointer; border-radius: 6px; border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 6px 12px; }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.primary.small { padding: 6px 14px; }
button.ghost:hover:not(:disabled) { border-color: var(--accent); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; text-decoration: underline; }
input, select { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; }

header { display: flex; gap: 24px; align-items: flex-end; padding: 16px 24px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand h1 { margin: 0; font-size: 20px; }
.brand .sub { color: var(--muted); font-size: 12px; }
.folder { flex: 1; min-width: 300px; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px; }
.folder-row { display: flex; gap: 8px; align-items: center; }
.folder-row code { flex: 1; padding: 6px 8px; background: var(--bg); border-radius: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.hero { display: flex; gap: 20px; align-items: center; padding: 18px 24px; }
#btnRun { font-size: 18px; padding: 14px 32px; border-radius: 10px; }
.hero-text { display: flex; flex-direction: column; gap: 4px; }

main { padding: 0 24px 24px; display: flex; flex-direction: column; gap: 14px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; }
.step h2 { margin: 0 0 10px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.num { width: 22px; height: 22px; border-radius: 50%; background: var(--bg); display: inline-flex; align-items: center; justify-content: center; font-size: 12px; }
.badge { font-size: 12px; font-weight: 500; padding: 1px 8px; border-radius: 10px; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.run { background: var(--bg); color: var(--muted); }
.step.setup { border-color: var(--warn); background: var(--warn-bg); }
.step.setup.done { border-color: var(--ok); background: var(--ok-bg); }
.step.setup p { margin: 0 0 10px; }
.row { display: flex; gap: 10px; align-items: center; }

.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 6px 16px; }
.check { display: flex; gap: 6px; align-items: baseline; }
.check .ico { width: 16px; flex: none; font-weight: 700; }
.check.ok .ico { color: var(--ok); } .check.bad .ico { color: var(--bad); } .check.warn .ico { color: var(--warn); }
.check small { color: var(--muted); display: block; }

.log { max-height: 220px; overflow: auto; background: var(--bg); padding: 10px; border-radius: 6px; font: 12px/1.4 Consolas, monospace; margin: 10px 0 0; white-space: pre-wrap; }

.hint { margin: 0 0 10px; color: var(--muted); }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.toolbar input[type=search] { width: 260px; }
.spacer { flex: 1; }
.table-wrap { max-height: 60vh; overflow: auto; border: 1px solid var(--line); border-radius: 6px; }
table { border-collapse: collapse; width: 100%; }
th { position: sticky; top: 0; background: var(--bg); text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 6px 8px; z-index: 1; }
td { border-top: 1px solid var(--line); padding: 6px 8px; vertical-align: top; }
tr.sel td { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.c-chk { width: 28px; } .c-code { width: 170px; } .c-ratio { width: 80px; } .c-qty { width: 120px; }
.qty { white-space: nowrap; font-variant-numeric: tabular-nums; }
.qty.over { color: var(--bad); }
td input.code { width: 160px; background: var(--input); font-family: Consolas, monospace; }
td input.ratio { width: 64px; background: var(--input); text-align: right; }
.kname { font-weight: 600; }
.kmeta { font-size: 12px; color: var(--muted); }
.reason { font-size: 12px; max-width: 280px; }
.status { display: inline-block; font-size: 11px; padding: 0 6px; border-radius: 8px; margin-bottom: 2px; background: var(--warn-bg); color: var(--warn); }
.status.bad { background: var(--bad-bg); color: var(--bad); }
.facts { display: flex; flex-wrap: wrap; gap: 4px; margin: 3px 0; }
.fact { font-size: 12px; padding: 1px 7px; border-radius: 4px; background: var(--bg); border: 1px solid var(--line); white-space: nowrap; }
.fact b { font-variant-numeric: tabular-nums; }
.fact.zero { color: var(--bad); border-color: var(--bad); }
.mname { font-size: 13px; }
.mname.bad { color: var(--bad); }
.sugs { display: flex; flex-direction: column; gap: 2px; margin-top: 4px; }
.sug { text-align: left; font-size: 12px; padding: 2px 6px; border-radius: 4px; }
.sug.active { border-color: var(--accent); }
.sug b { font-family: Consolas, monospace; }
tr.noncash .kname { color: var(--bad); font-weight: 600; }
tr.noncash .kmeta { color: var(--bad); }
.fact.paync { color: var(--bad); }
.topmatch { display: inline-block; font-size: 10px; font-weight: 600; padding: 0 5px; margin-right: 2px; border-radius: 3px;
  color: var(--ok); background: var(--ok-bg); }

.busy { position: fixed; inset: 0; background: rgba(0,0,0,.25); display: flex; align-items: center; justify-content: center; gap: 12px; color: #fff; font-size: 15px; z-index: 10; }
.spinner { width: 28px; height: 28px; border: 3px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- bản web ---------- */
.ws-select { flex: 1; min-width: 160px; }
.userbox { align-self: center; }
.small { font-size: 12px; }
.dropzone { border: 2px dashed var(--line); border-radius: 10px; padding: 14px 16px; text-align: center; transition: border-color .15s, background .15s; }
.dropzone.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.dropzone .muted { margin-top: 4px; }
.progress { height: 6px; background: var(--bg); border-radius: 3px; margin-top: 10px; overflow: hidden; }
.progress > div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.filelists { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 12px; margin-top: 12px; }
.filelist h4 { margin: 0 0 4px; font-size: 13px; }
.filelist table td { padding: 3px 6px; font-size: 12px; }
.filelist .fname { word-break: break-all; }
.filelist .acts { white-space: nowrap; text-align: right; }
.filelist .acts button { padding: 1px 7px; font-size: 12px; }
.s3tag { font-size: 11px; padding: 0 5px; border-radius: 3px; white-space: nowrap; }
.s3tag.ok { color: var(--ok); background: var(--ok-bg); }
.s3tag.bad { color: var(--bad); background: var(--bad-bg); }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.35); display: flex; align-items: center; justify-content: center; z-index: 20; padding: 16px; }
.modal-card { background: var(--card); color: var(--ink); border-radius: 10px; padding: 18px 20px; width: min(560px, 100%); max-height: 90vh; overflow: auto; box-shadow: 0 10px 40px rgba(0,0,0,.3); }
.modal-card h3 { margin: 0 0 8px; font-size: 16px; }
.modal-card p { margin: 0 0 8px; font-weight: 600; }
.modal-detail { white-space: pre-wrap; font: inherit; color: var(--muted); margin: 0 0 14px; max-height: 50vh; overflow: auto; }
.modal-detail:empty { display: none; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.modal.error h3 { color: var(--bad); } .modal.warning h3 { color: var(--warn); }
.login { max-width: 360px; margin: 12vh auto; padding: 0 16px; }
.login .step { display: flex; flex-direction: column; gap: 10px; }
.login input { width: 100%; padding: 8px 10px; }
.login .err { color: var(--bad); min-height: 1.2em; }
@media (max-width: 700px) {
  header, .hero { padding-left: 16px; padding-right: 16px; }
  main { padding: 0 16px 16px; }
  .hero { flex-direction: column; align-items: stretch; }
  .folder-row { flex-wrap: wrap; }
  .filelists { grid-template-columns: 1fr; }
  .toolbar input[type=search] { width: 100%; }
}
.filelist td.muted { white-space: nowrap; }
.filelist .table-wrap { max-height: 320px; }