:root {
  color-scheme: dark;
  --bg: #070b14;
  --bg-2: #0b1020;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-strong: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #e8ecf6;
  --muted: #8b95ab;
  --dim: #59617a;
  --sum: #ff6b3d;
  --sum-soft: rgba(255, 107, 61, 0.16);
  --check: #2dd4a7;
  --check-soft: rgba(45, 212, 167, 0.14);
  --rate: #4d9fff;
  --pending: #f4c04e;
  --ok: #2dd4a7;
  --bad: #ff5f6d;
  --radius: 20px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --mono: "SF Mono", "JetBrains Mono", "Roboto Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Inter", "Avenir Next", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(255, 107, 61, 0.14), transparent 60%),
    radial-gradient(820px 520px at 100% 0%, rgba(45, 212, 167, 0.12), transparent 58%),
    radial-gradient(900px 700px at 60% 120%, rgba(77, 159, 255, 0.10), transparent 60%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 40%, transparent 100%);
  z-index: 0;
}

.dashboard {
  position: relative;
  z-index: 1;
  width: min(1240px, 100%);
  margin: 0 auto;
  padding: clamp(18px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

h1, h2, p { margin: 0; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-bottom: 4px;
}
.brand { display: flex; align-items: center; gap: 16px; }
.brand-mark {
  width: 46px; height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--sum), #ff9a5a);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 10px 26px rgba(255, 107, 61, 0.4);
  position: relative;
  flex: none;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 12px 13px;
  border-radius: 4px;
  background:
    linear-gradient(to top, #fff 0 30%, transparent 30%),
    linear-gradient(to top, transparent 0 35%, #fff 35% 65%, transparent 65%);
  background-size: 5px 100%, 5px 100%;
  background-position: 0 0, 9px 0;
  background-repeat: no-repeat;
  opacity: 0.95;
}
.eyebrow {
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 6px;
}
.topbar h1 {
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.topbar h1 span {
  font-size: 0.62em;
  font-weight: 500;
  color: var(--muted);
  padding: 2px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}

.status-cluster {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
}
.live-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(45, 212, 167, 0.6);
  animation: pulse 2s infinite;
}
.status-chip.is-error .live-dot { background: var(--bad); animation: none; }
.status-chip.is-error { color: var(--bad); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(45, 212, 167, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(45, 212, 167, 0); }
  100% { box-shadow: 0 0 0 0 rgba(45, 212, 167, 0); }
}
.status-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.3;
}
.status-meta strong {
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.next-broadcast strong { color: var(--check); }
.hub-link {
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}
.hub-link:hover { border-color: var(--sum); background: var(--sum-soft); transform: translateY(-1px); }

/* ---------- Cards ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
}

/* ---------- KPI grid ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.kpi {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 120px;
  grid-column: span 3;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.kpi:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.kpi.hero { grid-column: span 6; min-height: 158px; padding: 24px 26px; }
.kpi-top { display: flex; align-items: center; justify-content: space-between; }
.kpi-label {
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.kpi-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  border-radius: 6px;
}
.tag-sum { color: var(--sum); background: var(--sum-soft); }
.tag-check { color: var(--check); background: var(--check-soft); }
.kpi-value {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.05;
  font-size: clamp(30px, 4.4vw, 52px);
  margin-top: 2px;
}
.kpi-value.sm { font-size: clamp(24px, 3vw, 34px); }
.kpi-value[data-accent="sum"] { color: #ffd9c7; }
.hero-sum .kpi-value { color: var(--sum); text-shadow: 0 0 28px rgba(255, 107, 61, 0.45); }
.hero-check .kpi-value { color: var(--check); text-shadow: 0 0 28px rgba(45, 212, 167, 0.4); }
.kpi-value[data-accent="pending"] { color: var(--pending); }
.kpi-value[data-accent="rate"] { color: var(--rate); }
.kpi-value[data-accent="check"] { color: #b9f4e2; }
.kpi-delta {
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  margin-top: auto;
}
.kpi-delta.up { color: var(--ok); }
.kpi-delta.down { color: var(--bad); }
.hero .spark {
  position: absolute;
  right: -10%; bottom: -30%;
  width: 60%; height: 90%;
  background: radial-gradient(circle, currentColor, transparent 70%);
  opacity: 0.06;
  pointer-events: none;
}
.hero-sum .spark { color: var(--sum); }
.hero-check .spark { color: var(--check); }
.rate-bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin: 2px 0 4px;
}
.rate-bar i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--rate), #7bb8ff);
  transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Trend chart ---------- */
.panel-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px 12px;
}
.panel-header.tight { padding: 18px 20px 6px; }
.section-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.panel-header h2 { font-size: 18px; font-weight: 600; }
.range-buttons { display: inline-flex; gap: 6px; background: rgba(255,255,255,0.04); padding: 4px; border-radius: 12px; border: 1px solid var(--line); }
.range-buttons button {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
}
.range-buttons button:hover { color: var(--text); }
.range-buttons button.active {
  background: var(--sum);
  color: #1a0c06;
  box-shadow: 0 6px 16px rgba(255, 107, 61, 0.35);
}
.chart-wrapper { position: relative; padding: 4px 14px 8px; }
#chartSvg { width: 100%; height: clamp(220px, 32vw, 300px); display: block; overflow: visible; }
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  transform: translate(-50%, -120%);
  background: rgba(8, 12, 22, 0.92);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 9px 11px;
  font-size: 12px;
  line-height: 1.55;
  white-space: nowrap;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  z-index: 5;
}
.chart-tooltip .tt-time { color: var(--muted); margin-bottom: 4px; font-variant-numeric: tabular-nums; }
.chart-tooltip .tt-row { display: flex; align-items: center; gap: 7px; font-variant-numeric: tabular-nums; }
.chart-tooltip .tt-row i { width: 8px; height: 8px; border-radius: 50%; }
.chart-legend {
  display: flex;
  gap: 22px;
  padding: 4px 24px 20px;
  font-size: 12.5px;
  color: var(--muted);
}
.chart-legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.legend-dot.sum { background: var(--sum); box-shadow: 0 0 10px var(--sum); }
.legend-dot.check { background: var(--check); box-shadow: 0 0 10px var(--check); }

/* ---------- Bottom grid ---------- */
.bottom-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 16px;
}
.notice-list { display: flex; flex-direction: column; gap: 10px; padding: 4px 20px 20px; }
.notice-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-left: 3px solid var(--sum);
  border-radius: 12px;
  padding: 14px 16px;
}
.notice-card strong { display: block; font-size: 14px; margin-bottom: 6px; }
.notice-card p { color: var(--muted); font-size: 13px; line-height: 1.7; }
.raw-card { padding: 18px 20px; }
.raw-toggle summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.raw-toggle summary::before { content: "›"; transition: transform 0.18s ease; display: inline-block; }
.raw-toggle[open] summary::before { transform: rotate(90deg); }
.raw-payload {
  margin: 14px 0 0;
  max-height: 280px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--check);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ---------- Footer ---------- */
.dash-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--dim);
  font-size: 12px;
  padding: 6px 4px 8px;
  font-variant-numeric: tabular-nums;
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .kpi.hero { grid-column: span 6; }
  .kpi { grid-column: span 6; }
}
@media (max-width: 760px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi, .kpi.hero { grid-column: span 1; min-height: 104px; padding: 16px; }
  .kpi.hero { grid-column: span 2; }
  .bottom-grid { grid-template-columns: 1fr; }
  .status-cluster { gap: 12px; }
  .topbar { gap: 14px; }
}
@media (max-width: 460px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .kpi.hero { grid-column: span 1; }
  .hub-link { display: none; }
}