:root {
    --ground: #F4F6F8; --surface: #FFFFFF; --ink: #1B2431; --muted: #5C6879;
    --line: #DCE2E9; --line-soft: #EAEEF2;
    --accent: #0E7A70; --accent-ink: #0B5F58; --accent-soft: #E1F0ED;
    --live: #C93A66; --live-soft: #FBE7EE;
    --warn: #9A6408; --warn-soft: #F7ECD6;
    --ok: #2F7D4C; --ok-soft: #E4F2E9;
    --danger: #B02E2E; --danger-soft: #F9E4E4;
    --code-bg: #EDF0F4;
    --shadow: 0 1px 2px rgba(27,36,49,.06), 0 6px 20px rgba(27,36,49,.06);
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --ground: #10151B; --surface: #171E26; --ink: #E6EBF1; --muted: #94A1B0;
      --line: #2A3441; --line-soft: #222B36;
      --accent: #45B8AC; --accent-ink: #6FCCC2; --accent-soft: #12332F;
      --live: #F07B9C; --live-soft: #3B1C29;
      --warn: #E0AA52; --warn-soft: #382C13;
      --ok: #6FC792; --ok-soft: #16331F;
      --danger: #F27E7E; --danger-soft: #3B1A1A;
      --code-bg: #202933; --shadow: none;
    }
  }
  :root[data-theme="dark"] {
    --ground: #10151B; --surface: #171E26; --ink: #E6EBF1; --muted: #94A1B0;
    --line: #2A3441; --line-soft: #222B36;
    --accent: #45B8AC; --accent-ink: #6FCCC2; --accent-soft: #12332F;
    --live: #F07B9C; --live-soft: #3B1C29;
    --warn: #E0AA52; --warn-soft: #382C13;
    --ok: #6FC792; --ok-soft: #16331F;
    --danger: #F27E7E; --danger-soft: #3B1A1A;
    --code-bg: #202933; --shadow: none;
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; }
  body {
    background: var(--ground); color: var(--ink);
    font-family: "Be Vietnam Pro", "Segoe UI", system-ui, sans-serif;
    font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased;
  }
  button { font: inherit; color: inherit; cursor: pointer; }
  input, select, textarea { font: inherit; color: var(--ink); }
  .mono { font-family: "JetBrains Mono", monospace; }

  .wrap { max-width: 980px; margin: 0 auto; padding: 0 14px 90px; }

  /* ===== top bar ===== */
  .topbar {
    position: sticky; top: 0; z-index: 30;
    background: var(--ground);
    padding: 10px 0 8px; border-bottom: 1px solid var(--line);
  }
  .topbar-inner { max-width: 980px; margin: 0 auto; padding: 0 14px; }
  .brandline { display: flex; align-items: center; gap: 10px; }
  .brandline h1 {
    font-family: "Archivo", "Be Vietnam Pro", sans-serif;
    font-size: 1.05rem; font-weight: 800; letter-spacing: -0.01em; margin: 0;
    white-space: nowrap;
  }
  .brandline .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }
  .brandline .dot.err { background: var(--danger); }
  .brandline .dot.pending { background: var(--warn); }
  .spacer { flex: 1; }
  .rolechip {
    font-family: "JetBrains Mono", monospace; font-size: .68rem;
    border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
    color: var(--muted); padding: 3px 10px; white-space: nowrap;
  }
  .searchrow { display: flex; gap: 8px; margin-top: 9px; }
  .searchbox { position: relative; flex: 1; }
  .searchbox input {
    width: 100%; border: 1px solid var(--line); border-radius: 10px;
    background: var(--surface); padding: 9px 34px 9px 12px; font-size: .95rem;
  }
  .searchbox input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
  .searchbox .clear {
    position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
    border: none; background: none; color: var(--muted); font-size: 1rem; padding: 6px 8px;
  }
  .btn {
    border: 1px solid var(--line); background: var(--surface); border-radius: 10px;
    padding: 8px 13px; font-size: .88rem; font-weight: 600; white-space: nowrap;
  }
  .btn:active { transform: translateY(1px); }
  .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
  :root[data-theme="dark"] .btn.primary, .btn.primary { color: #fff; }
  .btn.subtle { color: var(--muted); }
  .btn:focus-visible, .chipbtn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

  /* ===== filter chips ===== */
  .chiprow {
    display: flex; gap: 7px; overflow-x: auto; padding: 9px 0 2px;
    scrollbar-width: none;
  }
  .chiprow::-webkit-scrollbar { display: none; }
  .chipbtn {
    border: 1px solid var(--line); background: var(--surface); border-radius: 999px;
    padding: 4px 12px; font-size: .78rem; font-weight: 600; color: var(--muted);
    white-space: nowrap; flex: none;
  }
  .chipbtn .n { font-family: "JetBrains Mono", monospace; font-size: .72rem; }
  .chipbtn.on { background: var(--accent); border-color: var(--accent); color: #fff; }
  .chipbtn.overdue { color: var(--danger); border-color: var(--danger); }
  .chipbtn.overdue.on { background: var(--danger); color: #fff; }
  .subrow { display: flex; gap: 8px; align-items: center; padding: 7px 0 9px; flex-wrap: wrap; }
  .subrow select {
    border: 1px solid var(--line); border-radius: 9px; background: var(--surface);
    padding: 6px 10px; font-size: .84rem; max-width: 240px;
  }
  .subrow .count { font-size: .8rem; color: var(--muted); margin-left: auto; }

  /* ===== status chips ===== */
  .st {
    display: inline-block; font-family: "JetBrains Mono", monospace;
    font-size: .64rem; font-weight: 600; letter-spacing: .03em;
    border-radius: 999px; padding: 2.5px 9px; white-space: nowrap;
  }
  .st.cho_nhan { background: var(--warn-soft); color: var(--warn); }
  .st.da_nhan  { background: var(--code-bg); color: var(--muted); }
  .st.cho_live { background: var(--accent-soft); color: var(--accent-ink); }
  .st.da_live  { background: var(--live-soft); color: var(--live); }
  .st.da_recap { background: var(--accent-soft); color: var(--accent-ink); }
  .st.da_xu_ly { background: var(--ok-soft); color: var(--ok); }
  .st.tra_lai  { background: var(--danger-soft); color: var(--danger); }

  /* ===== list ===== */
  .list { margin-top: 4px; }
  .rowitem {
    display: flex; align-items: center; gap: 10px; width: 100%;
    text-align: left; border: 1px solid var(--line); background: var(--surface);
    border-radius: 11px; padding: 9px 12px; margin-bottom: 7px; box-shadow: var(--shadow);
  }
  .rowitem .ma { font-family: "JetBrains Mono", monospace; font-size: .68rem; color: var(--muted); }
  .rowitem .main { flex: 1; min-width: 0; }
  .rowitem .ten { font-weight: 600; font-size: .92rem; line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .rowitem .sub { font-size: .76rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .rowitem .sl { font-family: "JetBrains Mono", monospace; font-size: .82rem; color: var(--muted); flex: none; }
  .rowitem .due { font-family: "JetBrains Mono", monospace; font-size: .66rem; color: var(--danger); }
  .empty { text-align: center; color: var(--muted); padding: 40px 10px; font-size: .9rem; }
  .loadmore { display: block; margin: 10px auto 0; }

  /* ===== banner / toast ===== */
  .banner {
    background: var(--warn-soft); color: var(--warn);
    border: 1px solid var(--warn); border-radius: 10px;
    padding: 10px 14px; margin: 12px 0 0; font-size: .86rem;
  }
  .banner.err { background: var(--danger-soft); color: var(--danger); border-color: var(--danger); }
  #toast {
    position: fixed; left: 50%; bottom: 76px; transform: translateX(-50%);
    background: var(--ink); color: var(--ground);
    border-radius: 999px; padding: 8px 18px; font-size: .84rem; font-weight: 600;
    box-shadow: var(--shadow); z-index: 90; max-width: 92vw; text-align: center;
  }

  /* ===== bottom action bar ===== */
  .actionbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    background: var(--surface); border-top: 1px solid var(--line);
    padding: 9px 14px calc(9px + env(safe-area-inset-bottom));
  }
  .actionbar-inner { max-width: 980px; margin: 0 auto; display: flex; gap: 8px; }
  .actionbar .btn { flex: 1; text-align: center; }
  .actionbar .btn.primary { flex: 1.6; }

  /* ===== modal / sheet ===== */
  .overlay {
    position: fixed; inset: 0; z-index: 60; background: rgba(15,20,26,.55);
    display: flex; align-items: flex-end; justify-content: center;
  }
  @media (min-width: 640px) { .overlay { align-items: center; } }
  .sheet {
    background: var(--surface); color: var(--ink);
    width: 100%; max-width: 640px; max-height: 88vh; overflow-y: auto;
    border-radius: 16px 16px 0 0; padding: 16px 18px 22px;
    border: 1px solid var(--line);
  }
  @media (min-width: 640px) { .sheet { border-radius: 14px; } }
  .sheet h2 {
    font-family: "Archivo", "Be Vietnam Pro", sans-serif; font-size: 1.05rem;
    font-weight: 700; margin: 0 0 4px; letter-spacing: -0.01em;
  }
  .sheet .closex { float: right; border: none; background: none; font-size: 1.25rem; color: var(--muted); padding: 2px 8px; }
  .kv { display: grid; grid-template-columns: 108px 1fr; gap: 4px 10px; font-size: .87rem; margin: 10px 0; }
  .kv dt { color: var(--muted); }
  .kv dd { margin: 0; }
  .actrow { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 4px; }
  .actrow .btn { font-size: .84rem; }
  .btn.ok-act { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-ink); }
  .btn.live-act { background: var(--live-soft); border-color: var(--live); color: var(--live); }
  .btn.warn-act { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
  .field { margin: 9px 0; }
  .field label { display: block; font-size: .76rem; color: var(--muted); margin-bottom: 3px; }
  .field input, .field select, .field textarea {
    width: 100%; border: 1px solid var(--line); border-radius: 9px;
    background: var(--ground); padding: 8px 10px; font-size: .92rem;
  }
  .field textarea { min-height: 56px; resize: vertical; }
  .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
  .grid3 { display: grid; grid-template-columns: 1fr 72px 86px 30px; gap: 6px; align-items: center; margin-bottom: 6px; }
  .grid3 input { border: 1px solid var(--line); border-radius: 8px; background: var(--ground); padding: 7px 9px; font-size: .88rem; width: 100%; }
  .grid3 .rm { border: none; background: none; color: var(--muted); font-size: 1rem; padding: 4px; }
  .qrbox { display: flex; gap: 14px; align-items: center; margin: 12px 0; padding: 12px; border: 1px dashed var(--line); border-radius: 10px; }
  .qrbox .qr { width: 96px; height: 96px; flex: none; background: #fff; padding: 5px; border-radius: 6px; }
  .qrbox .qr img, .qrbox .qr canvas { width: 100%; height: 100%; }
  .qrbox .hint { font-size: .78rem; color: var(--muted); }
  .metaline { font-size: .72rem; color: var(--muted); margin-top: 10px; }
  .linkish { border: none; background: none; color: var(--accent-ink); font-size: .8rem; padding: 0; text-decoration: underline; }

  /* ===== role picker ===== */
  .rolegrid { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }

  /* ===== scan ===== */
  .scanwrap { position: relative; background: #000; border-radius: 12px; overflow: hidden; margin: 10px 0; }
  .scanwrap video { width: 100%; max-height: 52vh; display: block; }
  .scanhint { font-size: .82rem; color: var(--muted); }

  /* ===== print labels ===== */
  #printArea { display: none; }
  .labelgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(46mm, 1fr)); gap: 3mm; }
  .label {
    border: 0.3mm solid #999; border-radius: 2mm; padding: 2.5mm;
    display: flex; gap: 2.5mm; align-items: center; break-inside: avoid;
    background: #fff; color: #000;
  }
  .label .lqr { width: 20mm; height: 20mm; flex: none; }
  .label .lqr img, .label .lqr canvas { width: 100%; height: 100%; }
  .label .lma { font-family: "JetBrains Mono", monospace; font-size: 8.5pt; font-weight: 600; }
  .label .lten { font-size: 7pt; line-height: 1.25; }
  .label .lbrand { font-size: 6.5pt; color: #444; }
  @media print {
    body { background: #fff; }
    .topbar, .wrap, .actionbar, .overlay, #toast { display: none !important; }
    #printArea { display: block; padding: 4mm; }
  }

  @media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* ===== dang nhap ===== */
.loginwrap {
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px 16px; background: var(--ground);
}
.logincard {
  width: 100%; max-width: 372px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 26px 24px 22px; box-shadow: var(--shadow);
}
.logincard h1 {
  font-family: "Archivo", "Be Vietnam Pro", sans-serif;
  font-size: 1.22rem; font-weight: 800; margin: 0 0 3px; letter-spacing: -0.015em;
}
.logincard .sub { font-size: .84rem; color: var(--muted); margin: 0 0 18px; }
.logincard .field { margin-bottom: 12px; }
.logincard input { width: 100%; padding: 10px 12px; font-size: .95rem; }
.logincard .btn { width: 100%; padding: 11px; font-size: .95rem; }
.loginerr {
  background: var(--danger-soft); color: var(--danger); border: 1px solid var(--danger);
  border-radius: 8px; padding: 9px 12px; font-size: .84rem; margin-bottom: 12px;
}
.loginfoot { font-size: .74rem; color: var(--muted); text-align: center; margin-top: 16px; line-height: 1.5; }

/* ===== bo sung cho ban tu host ===== */
.userchip { display: flex; align-items: center; gap: 6px; }
.histbox { margin-top: 10px; border-top: 1px solid var(--line-soft); padding-top: 8px; }
.histrow { font-size: .76rem; color: var(--muted); display: flex; gap: 8px; padding: 2px 0; }
.histrow .who { color: var(--ink); font-weight: 600; white-space: nowrap; }
.offline {
  position: fixed; left: 0; right: 0; top: 0; z-index: 95;
  background: var(--danger); color: #fff; text-align: center;
  font-size: .82rem; font-weight: 600; padding: 6px 10px;
}