:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --ink: #1f2937;
  --muted: #667085;
  --line: #e5e7eb;
  --green: #1f8f5f;
  --blue-soft: #eef4ff;
  --warn-bg: #fff5f6;
  --warn-tx: #8a2432;
  --shadow: 0 10px 28px rgba(15, 23, 42, .07);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.45;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-end;
  margin-bottom: 18px;
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: 32px; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
p { color: var(--muted); margin-bottom: 0; }

.notice {
  margin-bottom: 18px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: #2a4d9b;
  border: 1px solid #dbe7ff;
}

.notice.error {
  background: var(--warn-bg);
  color: var(--warn-tx);
  border-color: #f5c2c7;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.period-banner {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.period-banner div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 14px 16px;
}

.period-banner span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 4px;
}

.period-banner strong {
  font-size: 18px;
  line-height: 1.25;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.kpi-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 16px;
  min-height: 102px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.kpi-card span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.kpi-card strong {
  font-size: 25px;
  line-height: 1.1;
}

.kpi-card small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
}

.kpi-card.alert {
  border-color: #f5c2c7;
  background: var(--warn-bg);
}

.kpi-card.alert strong {
  color: var(--warn-tx);
}

.diagnostic-card {
  margin-bottom: 16px;
}

.diagnostic-list {
  margin: 0;
  padding-left: 18px;
}

.diagnostic-list li {
  margin-bottom: 8px;
  font-size: 14px;
}

.line-context {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 12px;
}

.line-performance-table td small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.25;
  margin-top: 3px;
}

.trend-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.trend-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.trend-card.warn {
  border-color: #f5c2c7;
  background: var(--warn-bg);
}

.trend-top,
.trend-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.trend-top h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.trend-top strong {
  font-size: 24px;
  line-height: 1;
}

.trend-footer {
  color: var(--muted);
  font-size: 12px;
  margin-top: 8px;
}

.trend-subtitle {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  margin-top: 14px;
}

.trend-chart {
  width: 100%;
  height: 150px;
  margin-top: 12px;
}

.benchmark-line {
  stroke: #9a3412;
  stroke-width: 1.5;
  stroke-dasharray: 6 5;
}

.average-line {
  stroke: #475467;
  stroke-width: 1.5;
  stroke-dasharray: 2 5;
}

.axis-grid {
  stroke: #e5e7eb;
  stroke-width: 1;
}

.axis-label {
  fill: var(--muted);
  font-size: 9px;
}

.trend-line {
  fill: none;
  stroke: var(--green);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trend-point {
  fill: #ffffff;
  stroke: var(--green);
  stroke-width: 2;
}

.last-point {
  fill: var(--green);
  stroke: #ffffff;
  stroke-width: 2;
}

.trend-empty {
  color: var(--muted);
  padding: 36px 0;
}

.trend-label {
  fill: var(--muted);
  font-size: 9px;
}

.trend-period {
  color: var(--ink);
  font-size: 12px;
  margin-top: 2px;
}

.section-gap {
  margin-top: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.metadata {
  display: grid;
  gap: 10px;
  margin: 0;
}

.metadata div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.metadata dt {
  color: var(--muted);
  font-size: 13px;
}

.metadata dd {
  margin: 0;
  font-weight: 800;
  text-align: right;
}

.list {
  margin: 0;
  padding-left: 18px;
}

.list li { margin-bottom: 6px; }

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

th,
td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 13px;
}

th {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.hidden { display: none !important; }

@media (max-width: 850px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .period-banner { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trend-grid { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .kpi-grid { grid-template-columns: 1fr; }
}