:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #111827;
  --primary-soft: #f3f4f6;
  --success: #ecfdf5;
  --success-text: #047857;
  --warn: #fffbeb;
  --warn-text: #92400e;
  --error: #fef2f2;
  --error-text: #b91c1c;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { font-weight: 800; }
nav a {
  margin-left: 14px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
}
.container {
  max-width: 1220px;
  margin: 28px auto;
  padding: 0 18px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.04);
  margin-bottom: 20px;
}
.narrow { max-width: 580px; margin-left: auto; margin-right: auto; }
h1 { margin: 0 0 12px; font-size: 28px; }
h2 { margin: 22px 0 12px; font-size: 20px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 24px 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.form { display: grid; gap: 10px; }
.form label, .mini-label { font-size: 14px; font-weight: 650; }
input, select, textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 15px;
  background: #fff;
}
textarea { line-height: 1.45; }
button, .button {
  border: 0;
  border-radius: 12px;
  padding: 11px 14px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  font-weight: 650;
}
button:disabled { opacity: .6; cursor: not-allowed; }
.secondary { background: #4b5563; }
.success-btn { background: #059669; }
.danger-btn { background: #dc2626; }
.alert {
  padding: 12px 14px;
  border-radius: 12px;
  margin: 10px 0;
  border: 1px solid var(--line);
}
.alert.success { background: var(--success); color: var(--success-text); }
.alert.error { background: var(--error); color: var(--error-text); }
.alert.info { background: var(--warn); color: var(--warn-text); }
.status-box {
  background: #f9fafb;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-top: 14px;
  display: grid;
  gap: 6px;
}
.inline-form { grid-template-columns: 1fr auto; align-items: end; }
.filters {
  display: flex;
  gap: 10px;
  margin: 16px 0 0;
  align-items: center;
}
.filters select { max-width: 220px; }
.split-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}
.button-row { display: flex; gap: 10px; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
th { background: #f9fafb; font-weight: 700; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.badge {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.badge.pending, .badge.assigned, .badge.processing { background: #fffbeb; color: #92400e; }
.badge.success, .badge.redeemed { background: #ecfdf5; color: #047857; }
.badge.failed, .badge.disabled { background: #fef2f2; color: #b91c1c; }
.badge.distributed { background: #eef2ff; color: #3730a3; }
.mini-form { display: grid; gap: 6px; min-width: 210px; }
.inline-actions { display: inline-grid; margin: 0 6px 6px 0; vertical-align: top; }
.stats-grid, .money-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-top: 16px;
}
.stat {
  background: #f9fafb;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}
.stat-num { font-size: 26px; font-weight: 800; }
.stat-label { color: var(--muted); margin-top: 6px; }
.codes-output {
  height: 220px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.empty { text-align: center; color: var(--muted); padding: 24px; }
.task-list { display: grid; gap: 16px; }
.task-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: #fff;
}
.task-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.task-id { font-weight: 800; }
.task-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.2fr) minmax(220px, .8fr) minmax(240px, .9fr);
  gap: 16px;
  padding-top: 14px;
}
.token-box {
  display: grid;
  gap: 8px;
}
.token-box textarea {
  height: 94px;
  resize: vertical;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-all;
  background: #f9fafb;
}
.field-box {
  min-height: 42px;
  border: 1px solid var(--line);
  background: #f9fafb;
  border-radius: 12px;
  padding: 10px 12px;
  margin: 5px 0 12px;
  word-break: break-word;
}
.actions-col { display: grid; gap: 10px; align-content: start; }
.fail-form {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.danger-text { color: var(--error-text); }
@media (max-width: 900px) {
  .task-grid { grid-template-columns: 1fr; }
  .split-title { display: grid; }
}
@media (max-width: 700px) {
  .topbar { display: block; }
  nav { margin-top: 10px; }
  nav a { display: inline-block; margin: 0 10px 8px 0; }
  .inline-form, .filters { display: grid; grid-template-columns: 1fr; }
  .filters select { max-width: none; }
}

/* User redeem guide */
.redeem-card h1 {
  margin-bottom: 8px;
}
.steps-flow {
  display: grid;
  gap: 12px;
  margin: 18px 0 20px;
}
.step-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f9fafb;
}
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.step-item h2 {
  margin: 0 0 4px;
  font-size: 16px;
}
.step-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}
.step-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.step-buttons .button {
  padding: 9px 12px;
  font-size: 14px;
}
.redeem-form {
  margin-top: 12px;
}
@media (max-width: 520px) {
  .step-item {
    grid-template-columns: 1fr;
  }
  .step-num {
    width: 32px;
    height: 32px;
  }
  .step-buttons {
    display: grid;
  }
}

/* Batch status check on user redeem page */
.batch-check-form textarea {
  min-height: 118px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.45;
}
.batch-status-results {
  margin-top: 16px;
}
.batch-status-results table {
  font-size: 13px;
}
.batch-message {
  display: inline-block;
  padding: 6px 8px;
  border-radius: 10px;
  background: #fffbeb;
  color: #92400e;
}
.batch-message.success {
  background: #ecfdf5;
  color: #047857;
}
.batch-message.error {
  background: #fef2f2;
  color: #b91c1c;
}


/* V2.3 queue-first task UI */
.queue-stats .stat {
  padding: 14px;
}
.compact-task-list {
  gap: 10px;
}
.task-collapse {
  padding: 0;
  overflow: hidden;
}
.task-collapse[open] {
  padding-bottom: 16px;
}
.task-summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}
.task-summary::-webkit-details-marker {
  display: none;
}
.task-summary-main,
.task-summary-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.task-summary-main::before {
  content: "▸";
  font-size: 14px;
  color: var(--muted);
}
.task-collapse[open] .task-summary-main::before {
  content: "▾";
}
.queue-age {
  background: #f3f4f6;
  color: #374151;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 800;
}
.queue-age.overdue {
  background: #fef2f2;
  color: #b91c1c;
}
.assigned-pill {
  background: #f9fafb;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  color: var(--muted);
}
.task-collapse .task-grid {
  border-top: 1px solid var(--line);
  margin: 0 16px;
}
.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.member-card {
  display: block;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  padding: 16px;
  transition: transform .12s ease, box-shadow .12s ease;
}
.member-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.06);
}
.member-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}
.member-username {
  color: var(--muted);
  font-size: 12px;
  margin-top: 6px;
}
.member-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
}
.member-metrics span {
  border: 1px solid var(--line);
  background: #f9fafb;
  border-radius: 12px;
  padding: 9px;
  font-size: 12px;
  color: var(--muted);
}
.member-metrics b {
  display: block;
  color: var(--text);
  font-size: 20px;
}
.member-view {
  margin-top: 14px;
  font-weight: 800;
  color: var(--primary);
}
.section-summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 18px;
}
.section-form {
  margin-top: 14px;
}
@media (max-width: 700px) {
  .task-summary { display: grid; }
  .task-summary-meta { justify-content: flex-start; }
  .member-metrics { grid-template-columns: 1fr; }
}

/* V2.5 Task Hall / Claim workflow */
.hall-section {
  border-color: #dbeafe;
}
.hall-card .task-summary {
  background: #eff6ff;
}
.hall-card .field-box {
  background: #f8fafc;
}
.hall-task-grid {
  grid-template-columns: minmax(260px, 1.2fr) minmax(220px, .8fr) minmax(180px, .6fr);
}