:root { --bg: #f6f7f9; --card: #fff; --line: #e3e6ea; --text: #1d2228; --mut: #6b7480; --ok: #1a7f37; --warn: #b26b00; --bad: #c62828; --acc: #2563eb; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; gap: 12px; align-items: center; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
header b { font-size: 16px; }
header button { margin-left: auto; }
.mut { color: var(--mut); }
.bad { color: var(--bad); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
button, select, input { font: inherit; min-height: 36px; padding: 4px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); }
button { cursor: pointer; }
button:hover { border-color: var(--acc); }
button.pri { background: var(--acc); border-color: var(--acc); color: #fff; }
button.dan { color: var(--bad); }
#login { max-width: 320px; margin: 15vh auto; display: flex; flex-direction: column; gap: 10px; background: var(--card); padding: 20px; border-radius: 12px; border: 1px solid var(--line); }
#login h2 { margin: 0 0 4px; font-size: 18px; }
main { padding: 12px 16px; }
.bar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.bar label { display: flex; gap: 6px; align-items: center; }
.wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; white-space: nowrap; }
th { font-weight: 600; color: var(--mut); font-size: 12px; text-transform: uppercase; letter-spacing: .02em; }
tr:last-child td { border-bottom: 0; }
td.text { white-space: pre-wrap; word-break: break-word; min-width: 320px; font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; border: 1px solid currentColor; }
.min { width: 90px; }
.act { display: flex; gap: 6px; }
.sub { display: block; font-size: 12px; color: var(--mut); }
#logs { margin-top: 16px; }
#logs h3 { display: flex; gap: 8px; align-items: center; }
#lmore { margin-top: 8px; }
/* 0.2.0: thẻ, hộp xác nhận, feedback */
.acc { color: var(--acc); }
.tabs { display: flex; gap: 4px; margin-bottom: 12px; border-bottom: 1px solid var(--line); }
.tab { border: 0; border-bottom: 3px solid transparent; border-radius: 0; background: none; min-height: 44px; padding: 4px 14px; color: var(--mut); }
.tab.on { color: var(--text); border-bottom-color: var(--acc); font-weight: 600; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--bad); vertical-align: middle; }
.chk { gap: 6px; }
.chk input { min-height: 0; width: 18px; height: 18px; }
button.dan-fill { background: var(--bad); border-color: var(--bad); color: #fff; }
.act.end { justify-content: flex-end; }
dialog { max-width: 480px; border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
dialog::backdrop { background: rgba(0, 0, 0, .35); }
dialog h3 { margin: 0 0 8px; font-size: 17px; }
dialog p { margin: 0 0 16px; color: var(--text); }
.fb { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; }
.fbh { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.fbt { white-space: pre-wrap; word-break: break-word; margin: 8px 0; }
.fbr { display: flex; flex-direction: column; gap: 6px; }
.fbr textarea { font: inherit; width: 100%; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; }
.imgs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.imgs img { max-width: 160px; max-height: 120px; border: 1px solid var(--line); border-radius: 6px; }
@media (max-width: 600px) {
  main { padding: 10px; }
  .bar label { flex: 1 1 100%; }
  .bar select { flex: 1; }
  button, select { min-height: 44px; }
  header { flex-wrap: wrap; }
}