:root {
  color-scheme: light;
  --ink: #17252a;
  --muted: #64748b;
  --line: #d7e2e5;
  --brand: #12343b;
  --brand-2: #28666e;
  --bg: #f6f8f9;
  --panel: #ffffff;
  --warn: #fff3cd;
  --ok: #e6f4ea;
  --blue: #e8f0fe;
  --danger: #b42318;
  --soft: #eef7f8;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: #0f5f6b; text-decoration: none; }
.topbar {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: var(--brand);
  color: white;
}
.topbar a { color: white; }
.brand { font-weight: 700; }
nav { display: flex; align-items: center; gap: 16px; }
.inline { display: inline; margin: 0; }
button, .button {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
  padding: 9px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.primary {
  background: var(--brand-2);
  color: white;
  border-color: var(--brand-2);
}
.danger {
  background: #fee4e2;
  color: var(--danger);
  border-color: #fda29b;
}
.nav-button {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.45);
  padding: 7px 11px;
}
.container { max-width: 1180px; margin: 0 auto; padding: 28px; }
.hero, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}
.hero { padding: 42px; }
.ad-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.8fr);
  gap: 28px;
  align-items: center;
  margin-bottom: 18px;
}
.ad-hero h1 {
  max-width: 760px;
  font-size: 36px;
  line-height: 1.18;
  margin-bottom: 14px;
}
.ad-card, .upgrade-panel {
  background: var(--soft);
  border: 1px solid #b9dce0;
  border-radius: 8px;
  padding: 22px;
}
.wechat {
  display: inline-block;
  margin: 8px 0 12px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--brand);
  color: white;
  font-weight: 800;
  letter-spacing: 0;
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--brand-2);
  font-weight: 800;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.narrow { max-width: 460px; margin: 36px auto; }
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
h1, h2, h3 { margin-top: 0; }
.muted { color: var(--muted); }
.error { color: #b42318; }
.notice, .upgrade-inline {
  background: var(--warn);
  border: 1px solid #f2cf78;
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 18px;
}
.upgrade-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.error-block {
  white-space: pre-wrap;
  background: #fee4e2;
  color: #7a271a;
  padding: 12px;
  border-radius: 6px;
  overflow: auto;
}
.form { display: grid; gap: 16px; }
.form.grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.wide { grid-column: 1 / -1; }
label { display: grid; gap: 7px; font-weight: 600; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  font: inherit;
  background: white;
}
.toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}
.toggles label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}
.toggles input { width: auto; }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}
th {
  background: var(--brand-2);
  color: white;
  font-weight: 700;
}
th, td {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: top;
}
.status {
  display: inline-block;
  padding: 4px 9px;
  border-radius: 999px;
  background: #eef2f7;
  font-size: 13px;
}
.status.completed { background: var(--ok); }
.status.running, .status.summary_ready { background: var(--blue); }
.status.queued { background: var(--warn); }
.status.cancelled { background: #f1f5f9; color: #475569; }
.status.failed, .status.timeout { background: #fee4e2; color: #7a271a; }
.progress, .progress-mini {
  width: 100%;
  overflow: hidden;
  background: #e8eef2;
  border-radius: 999px;
}
.progress { height: 12px; margin: 12px 0 8px; }
.progress-mini { height: 8px; min-width: 120px; margin-bottom: 4px; }
.progress div, .progress-mini span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--brand-2), #4a9aa5);
}
.facts {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 8px 14px;
}
.facts dt { color: var(--muted); }
.empty {
  background: white;
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 28px;
  color: var(--muted);
}
.queue-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 18px;
}
.queue-strip h2 { margin-bottom: 6px; }
.queue-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(72px, 1fr));
  gap: 10px;
}
.queue-metrics div {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}
.queue-metrics strong {
  display: block;
  font-size: 24px;
  color: var(--brand);
}
.queue-metrics span {
  color: var(--muted);
  font-size: 13px;
}
.queue-current {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.queue-live {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.queue-live h3 {
  margin-bottom: 8px;
  font-size: 16px;
}
.queue-live ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.queue-live li {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  color: var(--ink);
}
.queue-live li span {
  display: inline-block;
  margin-right: 8px;
  color: var(--brand-2);
  font-weight: 700;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.feature-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #f8fafc;
}
.feature-grid strong, .feature-grid span {
  display: block;
}
.feature-grid span {
  margin-top: 8px;
  color: var(--muted);
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(18, 52, 59, 0.42);
}
.modal {
  width: min(420px, 100%);
  background: white;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.25);
}
.admin-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}
.sponsor-showcase {
  background: linear-gradient(135deg, #fff7ed, #eef7f8 58%, #f8fafc);
  border-bottom: 1px solid var(--line);
}
.sponsor-showcase-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 28px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}
.sponsor-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid #fed7aa;
  border-radius: 999px;
  background: #fff;
  color: #9a3412;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}
.sponsor-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.sponsor-card {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(18, 52, 59, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.sponsor-card:hover {
  transform: translateY(-1px);
  border-color: rgba(40, 102, 110, 0.4);
  background: #fff;
}
.sponsor-card strong,
.sponsor-card small {
  display: block;
}
.sponsor-card strong {
  color: var(--brand);
  font-size: 15px;
}
.sponsor-card small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}
.sponsor-logo {
  position: relative;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid var(--line);
}
.sponsor-logo img {
  max-width: 24px;
  max-height: 24px;
  display: block;
  position: relative;
  z-index: 1;
}
.sponsor-logo-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--brand);
  font-size: 16px;
  font-weight: 900;
}
.sponsor-logo-text {
  background: #12343b;
  border-color: #12343b;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
}
.sponsor-card-accent {
  border-color: rgba(154, 52, 18, 0.18);
}
.sponsor-footer {
  max-width: 1180px;
  margin: 0 auto 24px;
  padding: 0 28px;
}
.sponsor-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 10px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  color: #667085;
  font-size: 13px;
  line-height: 1.5;
}
.sponsor-footer a {
  color: var(--brand);
  font-weight: 800;
}
.sponsor-footer a:hover {
  color: #0066cc;
}
.sponsor-dot {
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: #b9c4cc;
}

@media (max-width: 720px) {
  .container { padding: 16px; }
  .sponsor-showcase-inner {
    grid-template-columns: 1fr;
    padding: 12px 16px;
  }
  .sponsor-items { grid-template-columns: 1fr; }
  .sponsor-footer { padding: 0 16px; }
  .sponsor-dot { display: none; }
  .form.grid { grid-template-columns: 1fr; }
  .topbar { padding: 0 14px; }
  nav { gap: 10px; }
  .ad-hero, .queue-strip, .queue-live, .feature-grid { grid-template-columns: 1fr; }
  .ad-hero h1 { font-size: 28px; }
  .queue-metrics { grid-template-columns: repeat(3, 1fr); }
}