:root {
  color-scheme: dark;
  --font-ui: "Segoe UI", Arial, sans-serif;
  --bg: #07111f;
  --panel: #0d1a2b;
  --panel-2: #112238;
  --border: #243a55;
  --text: #eff7ff;
  --muted: #9eb1c8;
  --cyan: #35d1c5;
  --blue: #4aa3ff;
  --amber: #ffbd4a;
  --red: #ff6b6b;
  --green: #5be49b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: radial-gradient(circle at top right, #12355a 0, var(--bg) 38%);
  color: var(--text);
  font-family: var(--font-ui);
}
button, input, select, textarea { font-family: var(--font-ui); }
.topbar, main, footer { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 22px;
}
.topbar-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(53, 209, 197, .06);
  text-decoration: none;
  font-size: .8rem;
  font-weight: 750;
}
.nav-link:hover { border-color: var(--cyan); }
.queue-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.queue-title-line { display: flex; align-items: center; gap: 10px; }
.rank-highlight {
  display: inline-flex;
  min-width: 32px;
  height: 28px;
  align-items: center;
  justify-content: center;
  padding: 0 9px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--amber), #ff8a3d);
  color: #251000;
  box-shadow: 0 0 0 3px rgba(255, 189, 74, .11);
  font-size: .9rem;
  font-weight: 900;
}
.rank-highlight.hidden { display: none; }
.cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 34px;
  padding: 8px 14px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  color: #03111d;
  text-decoration: none;
  font-size: .82rem;
  font-weight: 850;
}
.cta-link:hover { filter: brightness(1.08); }
.cta-note {
  color: rgba(255, 255, 255, .88);
  font-size: .68rem;
  font-weight: 550;
  letter-spacing: .01em;
  white-space: nowrap;
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.55rem, 3vw, 2.4rem); letter-spacing: -.01em; }
h2 { margin-bottom: 0; font-size: 1.35rem; }
h3 { margin: 0; font-size: 1rem; }
.eyebrow, .step { color: var(--cyan); font-size: .72rem; font-weight: 800; letter-spacing: .14em; }
.eyebrow { margin-bottom: 8px; }
.step { margin-bottom: 5px; }
.status-pill, .tag {
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--amber);
  background: rgba(255, 189, 74, .08);
  white-space: nowrap;
  font-size: .78rem;
  font-weight: 700;
}
.status-pill.ok, .tag.safe { color: var(--green); background: rgba(91, 228, 155, .08); }
.flow-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(13, 26, 43, .72);
  color: var(--muted);
  font-size: .88rem;
  margin-bottom: 18px;
}
.topbar h1,
.flow-strip span {
  font-family: var(--font-ui);
  font-weight: 700;
}
.flow-strip span { white-space: nowrap; }
.flow-strip b { color: var(--cyan); }
.live-topic-public {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(53, 209, 197, .35);
  border-radius: 14px;
  background: linear-gradient(110deg, rgba(18, 75, 99, .72), rgba(17, 34, 56, .9));
}
.live-topic-public .topic-number {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(53, 209, 197, .16);
  border: 1px solid rgba(53, 209, 197, .44);
  color: var(--cyan);
}
.live-topic-public .step { margin: 0 0 3px; }
.live-topic-public h2 { margin: 0 0 3px; }
.live-topic-public .muted { margin: 0; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.customer-grid { align-items: start; }
.card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(17, 34, 56, .96), rgba(10, 23, 39, .96));
  padding: 22px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .22);
}
.card-heading, .operator { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.muted { color: var(--muted); line-height: 1.55; font-size: .9rem; }
form { display: grid; gap: 11px; }
label { display: grid; gap: 5px; color: #c9d7e7; font-size: .84rem; font-weight: 600; }
.field-title { display: flex; align-items: center; gap: 8px; line-height: 1.4; }
.field-number {
  display: inline-flex;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(53, 209, 197, .14);
  border: 1px solid rgba(53, 209, 197, .42);
  color: var(--cyan);
  font-size: .72rem;
  font-weight: 900;
}
input, select {
  width: 100%;
  border: 1px solid #304b6c;
  border-radius: 10px;
  background: #091624;
  color: var(--text);
  min-height: 44px;
  padding: 10px 11px;
  font-family: inherit;
  font-size: .84rem;
  font-weight: 450;
  line-height: 1.25;
  outline: none;
}
input::placeholder { color: #7f92aa; font-weight: 400; opacity: 1; }
input::-webkit-date-and-time-value { font-size: inherit; font-weight: inherit; text-align: left; }
select { color: #d8e5f2; }
#profile-form { scroll-margin-top: 12px; }
input:focus, select:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(53, 209, 197, .12); }
.two-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.time-selects { display: grid; grid-template-columns: 1fr auto 1fr; gap: 7px; align-items: center; }
.time-selects span { color: var(--cyan); font-size: 1.2rem; font-weight: 900; }
.consent { grid-template-columns: auto 1fr; align-items: start; font-weight: 500; line-height: 1.45; }
.consent input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--cyan); }
.compact { margin-block: 2px; }
.instruction-list { display: grid; gap: 8px; margin: 14px 0 0; padding-left: 22px; color: #c9d7e7; line-height: 1.4; }
.privacy-note { margin: 20px 0 0; padding: 14px; border-left: 3px solid var(--green); color: var(--muted); background: rgba(91, 228, 155, .06); line-height: 1.5; }
button {
  border: 0;
  border-radius: 10px;
  padding: 12px 16px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  color: #03111d;
  font-weight: 850;
  cursor: pointer;
  min-height: 44px;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .55; cursor: wait; }
button.secondary { background: #1d6fb7; color: white; }
button.bell-button { background: #bd7a13; color: #fff8e7; }
button.reminder-button { background: #6747a7; color: #fbf8ff; }
button.skip-now-button { background: #9b2739; color: #fff7f7; border-color: #e55a70; }
button.danger { background: rgba(255, 107, 107, .16); color: #ffc4c4; border: 1px solid rgba(255, 107, 107, .45); }
.result {
  margin-top: 14px;
  border-radius: 12px;
  padding: 13px;
  background: rgba(53, 209, 197, .08);
  border: 1px solid rgba(53, 209, 197, .3);
  line-height: 1.5;
}
.result.error { background: rgba(255, 107, 107, .09); border-color: rgba(255, 107, 107, .4); color: #ffd0d0; }
.request-topic { display: block; margin-top: 5px; color: var(--amber); font-size: .82rem; font-weight: 700; }
.copy-live-comment { display: block; margin: 10px 0 6px; }
.hidden { display: none; }
.code { display: block; margin: 8px 0; color: var(--cyan); font-size: 2rem; font-weight: 900; letter-spacing: .16em; }
code { color: var(--cyan); background: #071523; padding: 2px 6px; border-radius: 5px; font-family: var(--font-ui); font-weight: 700; }
.operator { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--border); align-items: center; }
.presence-panel {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid rgba(255, 189, 74, .34);
  border-radius: 13px;
  background: rgba(255, 189, 74, .06);
}
.presence-panel.hidden { display: none; }
.live-schedule-notice { margin-bottom: 16px; }
.live-schedule-notice.live-upcoming { border: 2px solid #ffbc42; background: linear-gradient(110deg, #452b06, #173d4d); box-shadow: 0 0 24px rgba(255,188,66,.28); }
.live-schedule-notice.live-now { border: 2px solid #ff4f70; background: linear-gradient(110deg, #4a0c1a, #123f49); box-shadow: 0 0 26px rgba(255,79,112,.35); }
.live-clock { display: block; margin: 7px 0; color: #ffcf5a; font-size: 2rem; font-weight: 900; letter-spacing: .12em; }
.presence-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.presence-heading > div { display: grid; gap: 3px; }
.presence-code {
  color: var(--amber);
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: .14em;
}
.presence-instruction { margin: 0; }
.countdown {
  display: inline-flex;
  min-width: 58px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(91, 228, 155, .1);
  color: var(--green);
  font-weight: 900;
}
.countdown.expired { background: rgba(255, 107, 107, .12); color: #ffc4c4; }
.login-card { width: min(520px, 100%); margin: 36px auto 80px; }
.session-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(13, 26, 43, .82);
}
.session-bar > div { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.compact-button { width: auto; padding: 8px 13px; }
.operator-mode-tabs {
  position: sticky;
  top: 8px;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 16px;
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(7, 17, 31, .94);
  backdrop-filter: blur(10px);
}
.operator-mode-tab {
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: .84rem;
  font-weight: 750;
}
.operator-mode-tab:hover { border-color: var(--border); filter: none; }
.operator-mode-tab.active {
  border-color: rgba(53, 209, 197, .38);
  background: linear-gradient(90deg, rgba(53, 209, 197, .2), rgba(74, 163, 255, .2));
  color: var(--text);
}
.operator-mode-panel.hidden { display: none; }
.mode-card-first { margin-top: 0; }
.live-topic-card { margin-bottom: 16px; }
.topic-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 14px; }
.topic-option {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  min-height: 76px;
  padding: 11px 13px;
  border: 1px solid #2b4a69;
  border-radius: 12px;
  background: #173f65;
  color: var(--text);
  text-align: left;
}
.topic-option:hover { border-color: var(--cyan); filter: brightness(1.06); }
.topic-option:disabled { cursor: not-allowed; opacity: .66; }
.topic-option.active {
  border-color: var(--cyan);
  background: linear-gradient(120deg, rgba(20, 102, 121, .96), rgba(30, 77, 121, .96));
  box-shadow: 0 0 0 3px rgba(53, 209, 197, .09);
  opacity: 1;
  cursor: default;
}
.topic-number { color: #fff; font-size: .78rem; font-weight: 900; padding-top: 2px; }
.topic-content { display: grid; gap: 3px; min-width: 0; }
.topic-content strong { font-size: .92rem; }
.topic-content small { color: #d1e4f5; font-size: .72rem; line-height: 1.35; }
.topic-content em { color: var(--amber); font-size: .66rem; font-style: normal; }
.topic-option.active .topic-content em { color: #9ef2df; }
.operator-report-note {
  margin: 14px 0 0;
  padding: 11px 13px;
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  background: rgba(255, 189, 74, .07);
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.45;
}
.operator-report-note strong { color: var(--amber); }
.queue-meta { display: grid; justify-items: end; gap: 6px; }
.queue-meta small { font-size: .7rem; }
.technical-status {
  display: block;
  margin-top: 3px;
  color: #71859c;
  font-size: .62rem;
  letter-spacing: .04em;
}
.processing-card { margin-top: 18px; }
.processing-list { display: grid; gap: 10px; margin-top: 14px; }
.processing-item {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid #203650;
  border-radius: 12px;
  background: rgba(7, 17, 31, .48);
}
.processing-item-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.processing-item-heading > div { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.processing-item-heading code { font-size: .78rem; }
.processing-states { display: grid; grid-template-columns: repeat(auto-fit, minmax(125px, 1fr)); gap: 8px; }
.processing-state {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 9px 10px;
  border-radius: 9px;
  background: rgba(17, 34, 56, .72);
}
.processing-state small { color: var(--muted); font-size: .68rem; }
.processing-state strong { overflow-wrap: anywhere; font-size: .78rem; }
.processing-actions { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.processing-retry { width: auto; }
.report-access-button:disabled { cursor: not-allowed; opacity: .6; }
.processing-topic, .queue-topic { display: block; color: var(--cyan); font-size: .68rem; font-weight: 650; }
.queue-topic { margin-top: 3px; }
.viewing-card {
  margin-top: 18px;
  border-color: rgba(53, 209, 197, .42);
  background: linear-gradient(145deg, rgba(14, 49, 67, .97), rgba(10, 23, 39, .98));
}
.viewing-panel { display: grid; gap: 14px; margin-top: 14px; }
.viewing-panel.hidden { display: none; }
.viewing-identity {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.viewing-identity > div:first-child { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.viewing-identity code { font-size: .82rem; }
.viewing-statuses { display: flex; justify-content: flex-end; gap: 7px; flex-wrap: wrap; }
.viewing-script {
  padding: 16px;
  border: 1px solid rgba(53, 209, 197, .3);
  border-radius: 13px;
  background: rgba(7, 17, 31, .64);
}
.viewing-script .step { margin-bottom: 5px; }
.viewing-script h3 { margin: 0 0 10px; font-size: 1.04rem; }
.viewing-summary {
  margin: 0;
  color: #f1f7fc;
  font-size: 1.02rem;
  line-height: 1.72;
  white-space: pre-line;
}
.viewing-content-meta { display: block; margin-top: 10px; overflow-wrap: anywhere; }
.viewing-actions { display: flex; justify-content: flex-end; gap: 9px; flex-wrap: wrap; }
.viewing-actions button { width: auto; }
.audit-card { margin-top: 18px; padding-block: 15px; }
.audit-card summary { cursor: pointer; color: var(--text); font-weight: 750; }
.audit-card summary span { font-size: .75rem; font-weight: 500; }
.audit-list { display: grid; gap: 8px; margin-top: 14px; }
.audit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 11px;
  border-radius: 9px;
  background: rgba(7, 17, 31, .5);
}
.audit-row strong { font-size: .82rem; }
.audit-row small { color: var(--muted); font-size: .68rem; text-align: right; }
.queue-card { margin-top: 18px; }
.contract-card { margin-top: 18px; }
.pipeline-card { margin-top: 18px; }
.pipeline-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.personal-item-picker {
  display: grid;
  gap: 7px;
  max-width: 620px;
  margin-top: 14px;
  color: var(--muted);
  font-size: .74rem;
}
.personal-item-picker select { width: 100%; }
.source-audit-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}
.source-audit-metric {
  display: grid;
  gap: 4px;
  padding: 10px 11px;
  border: 1px solid #203650;
  border-radius: 10px;
  background: rgba(7, 17, 31, .5);
}
.source-audit-metric small { color: var(--muted); font-size: .67rem; }
.source-audit-metric strong { color: var(--cyan); font-size: .86rem; }
.source-warning-list { display: grid; gap: 7px; margin-top: 10px; }
.source-warning {
  padding: 9px 11px;
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  background: rgba(255, 189, 74, .07);
  color: #d8e6f3;
  font-size: .75rem;
  line-height: 1.45;
}
.audio-summary { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.audio-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.audio-item { border: 1px solid #203650; border-radius: 12px; padding: 13px; background: rgba(7, 17, 31, .5); }
.audio-item-heading { display: flex; justify-content: space-between; gap: 12px; }
.audio-item p { margin: 9px 0; font-size: .82rem; }
.audio-item audio { width: 100%; height: 36px; }
.audio-error { display: block; color: #ffc4c4; overflow-wrap: anywhere; }
.vbee-pilot-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; }
.vbee-pilot-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 16px; }
.vbee-pilot-item { border: 1px solid #29415f; border-radius: 14px; padding: 15px; background: rgba(7, 17, 31, .62); min-width: 0; }
.vbee-pilot-item[data-decision="PASS"] { border-color: #2e806a; }
.vbee-pilot-item[data-decision="REGENERATE"] { border-color: #9b4b59; }
.vbee-pilot-item-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.vbee-pilot-summary { margin: 12px 0; white-space: pre-line; line-height: 1.55; font-size: .9rem; }
.vbee-pilot-item audio { display: block; width: 100%; height: 38px; margin: 10px 0; }
.vbee-pilot-hash { display: block; color: var(--muted); overflow-wrap: anywhere; }
.vbee-pilot-note { width: 100%; resize: vertical; margin-top: 12px; min-height: 58px; }
.vbee-pilot-actions { display: flex; gap: 10px; margin-top: 10px; }
.vbee-pilot-actions button { flex: 1; }
.table-wrap { overflow-x: auto; margin-top: 16px; }
table { width: 100%; border-collapse: collapse; min-width: 900px; }
.operator-queue-table { min-width: 1040px; }
.operator-queue-table td { vertical-align: middle; }
th, td { padding: 11px 10px; text-align: left; border-bottom: 1px solid #203650; font-size: .86rem; }
th { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; }
td.total { color: var(--cyan); font-weight: 800; }
.badge-ok { color: var(--green); }
.badge-wait { color: var(--amber); }
.badge-fail { color: var(--red); font-weight: 800; }
.empty { text-align: center; color: var(--muted); padding: 24px 0 4px; }
footer { padding: 22px 0 36px; color: #748aa4; text-align: center; font-size: .78rem; }

@media (max-width: 800px) {
  .topbar, main, footer { width: min(100% - 20px, 680px); }
  .topbar { align-items: flex-start; flex-direction: column; gap: 14px; padding: 22px 0 16px; }
  .topbar-actions { width: 100%; justify-content: space-between; }
  h1 { font-size: clamp(1.45rem, 7vw, 1.85rem); line-height: 1.15; }
  h2 { font-size: 1.2rem; line-height: 1.25; }
  .eyebrow { line-height: 1.4; }
  .flow-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    overflow: visible;
    padding: 10px;
    font-size: .82rem;
  }
  .flow-strip span {
    min-width: 0;
    white-space: normal;
    padding: 10px;
    border-radius: 10px;
    background: rgba(53, 209, 197, .06);
    line-height: 1.4;
  }
  .flow-strip b { display: none; }
  .grid { grid-template-columns: 1fr; gap: 14px; }
  .two-cols { grid-template-columns: 1fr; }
  .audio-list { grid-template-columns: 1fr; }
  .vbee-pilot-list { grid-template-columns: 1fr; }
  .card { padding: 16px; border-radius: 14px; }
  form { gap: 12px; }
  label { gap: 5px; font-size: .84rem; }
  input, select { min-height: 44px; font-size: .84rem; font-weight: 450; padding: 9px 11px; }
  button { min-height: 48px; font-size: .95rem; }
  .card > button { width: 100%; }
  .consent input { min-height: 0; }
  .queue-card .card-heading { align-items: stretch; flex-direction: column; }
  .queue-actions { width: 100%; justify-content: space-between; }
  .cta-link { flex: 1; min-height: 44px; text-align: center; }
  .queue-card .table-wrap { overflow: visible; margin-top: 14px; }
  .queue-table { min-width: 0; border-collapse: separate; }
  .queue-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  .queue-table tbody { display: grid; gap: 10px; }
  .queue-table tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 14px;
    padding: 13px;
    border: 1px solid #203650;
    border-radius: 12px;
    background: rgba(7, 17, 31, .48);
  }
  .queue-table td {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 3px;
    padding: 2px 0;
    border: 0;
    overflow-wrap: anywhere;
  }
  .queue-table td::before {
    color: var(--muted);
    font-size: .66rem;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
  }
  .queue-table td:nth-child(1)::before { content: "Hạng"; }
  .queue-table td:nth-child(2)::before { content: "Bí danh"; }
  .queue-table td:nth-child(3)::before { content: "Chủ đề XEM"; }
  .queue-table td:nth-child(4)::before { content: "Điểm nền"; }
  .queue-table td:nth-child(5)::before { content: "Tương tác"; }
  .queue-table td:nth-child(6)::before { content: "Chờ"; }
  .queue-table td:nth-child(7)::before { content: "Tổng"; }
  .queue-table td:nth-child(8)::before { content: "Comment"; }
  .queue-table td:nth-child(9)::before { content: "Trạng thái"; }
  .operator-queue-table td:nth-child(1)::before { content: "Hạng"; }
  .operator-queue-table td:nth-child(2)::before { content: "Bí danh"; }
  .operator-queue-table td:nth-child(3)::before { content: "Chủ đề XEM"; }
  .operator-queue-table td:nth-child(4)::before { content: "Điểm nền"; }
  .operator-queue-table td:nth-child(5)::before { content: "Tương tác"; }
  .operator-queue-table td:nth-child(6)::before { content: "Chờ"; }
  .operator-queue-table td:nth-child(7)::before { content: "Tổng"; }
  .operator-queue-table td:nth-child(8)::before { content: "Comment"; }
  .operator-queue-table td:nth-child(9)::before { content: "Trạng thái"; }
  .operator-queue-table td:nth-child(10)::before { content: "VIP"; }
  .contract-table { min-width: 680px; }
  .contract-table th, .contract-table td { padding: 9px 8px; font-size: .78rem; }
  .pipeline-actions { display: grid; grid-template-columns: 1fr; }
  .pipeline-actions button { width: 100%; }
  .audio-summary { align-items: flex-start; flex-direction: column; }
  .vbee-pilot-toolbar, .vbee-pilot-actions { align-items: stretch; flex-direction: column; }
  .vbee-pilot-toolbar button, .vbee-pilot-actions button { width: 100%; }
  .source-audit-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .session-bar { align-items: stretch; flex-direction: column; }
  .compact-button { width: 100%; }
  .operator-mode-tabs { top: 4px; }
  .operator-mode-tab { min-height: 40px; padding: 8px 6px; font-size: .78rem; }
  .topic-list { grid-template-columns: 1fr; }
  .queue-meta { justify-items: start; }
  .processing-states { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .viewing-summary { font-size: .96rem; line-height: 1.65; }
  .audit-row { align-items: flex-start; flex-direction: column; gap: 4px; }
  .audit-row small { text-align: left; }
  .presence-panel { padding: 12px; }
  .presence-code { font-size: 1.45rem; }
  .presence-panel > button { width: 100%; }
  footer { padding: 18px 0 28px; line-height: 1.5; }
}

@media (max-width: 480px) {
  .topbar-actions { align-items: stretch; flex-direction: column; }
  .status-pill, .nav-link { justify-content: center; text-align: center; }
  .flow-strip { grid-template-columns: 1fr; }
  .operator-mode-panel .flow-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .processing-item-heading { flex-direction: column; }
  .processing-actions { align-items: stretch; flex-direction: column; }
  .processing-retry, .report-access-button { width: 100%; }
  .viewing-identity { flex-direction: column; }
  .viewing-statuses { justify-content: flex-start; }
  .viewing-actions { align-items: stretch; flex-direction: column; }
  .viewing-actions button { width: 100%; }
  .card-heading { align-items: stretch; flex-direction: column; gap: 10px; }
  .card-heading > button { width: 100%; }
  .queue-actions { align-items: stretch; flex-direction: column; }
  .queue-actions .tag { text-align: center; }
  .cta-link { width: 100%; }
  .code { font-size: 1.65rem; letter-spacing: .12em; }
  .instruction-list { padding-left: 20px; }
}