:root {
  color-scheme: dark;
  --bg: #111318;
  --panel: #181b22;
  --panel-2: #20242d;
  --text: #f3f5f8;
  --muted: #a8afbd;
  --quiet: #767f90;
  --border: #303643;
  --accent: #6ee7b7;
  --accent-2: #7dd3fc;
  --danger: #fb7185;
  --warning: #fbbf24;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 24px 18px;
  border-right: 1px solid var(--border);
  background: #0d0f13;
}

.brand {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  text-decoration: none;
  font-weight: 760;
  line-height: 1.08;
}

.brand img {
  width: 42px;
  height: 42px;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav a,
.sidebar-links a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 640;
}

.nav a:hover,
.nav a.active,
.sidebar-links a:hover {
  background: var(--panel-2);
  color: var(--text);
}

.sidebar-links {
  display: grid;
  gap: 6px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.main {
  min-width: 0;
  padding: 30px clamp(18px, 4vw, 56px) 56px;
}

.page {
  max-width: 1120px;
  margin: 0 auto;
}

.hero {
  display: grid;
  gap: 18px;
  margin-bottom: 26px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 860px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  font-size: 26px;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  font-size: 18px;
  line-height: 1.25;
}

p,
li {
  color: var(--muted);
  line-height: 1.62;
}

.lead {
  max-width: 860px;
  color: #c5cad5;
  font-size: 17px;
}

.section {
  display: grid;
  gap: 18px;
  margin: 28px 0;
}

.panel,
.loading-panel,
.notice {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel {
  display: grid;
  gap: 16px;
  padding: 20px;
}

.loading-panel,
.notice {
  padding: 18px;
  color: var(--muted);
}

.notice.warning {
  border-color: rgba(251, 191, 36, 0.42);
  background: rgba(251, 191, 36, 0.08);
  color: #fde68a;
}

.notice.error {
  border-color: rgba(251, 113, 133, 0.42);
  background: rgba(251, 113, 133, 0.08);
  color: #fecdd3;
}

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

.stat {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
}

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

.stat span {
  color: var(--quiet);
  font-size: 12px;
  font-weight: 720;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
}

.control {
  display: grid;
  gap: 7px;
}

.control label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 690;
}

.select,
.input,
.button {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #11141a;
  color: var(--text);
  padding: 9px 11px;
}

.button {
  display: inline-flex;
  width: auto;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 720;
}

.button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #062016;
}

.button:hover {
  filter: brightness(1.08);
}

.checkbox-row {
  display: flex;
  gap: 9px;
  align-items: center;
  color: var(--muted);
}

.chart-wrap {
  min-height: 380px;
  display: grid;
  gap: 10px;
}

.chart {
  display: block;
  width: 100%;
  height: 360px;
  border-radius: 8px;
  background: #12151b;
  border: 1px solid var(--border);
}

.chart.short {
  height: 260px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.image-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.image-card {
  display: grid;
  gap: 8px;
}

.image-card img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.caption {
  color: var(--quiet);
  font-size: 13px;
}

.table-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.table-wrap {
  overflow: auto;
  max-height: 430px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
  font-size: 13px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #151922;
  color: var(--muted);
  cursor: pointer;
}

td {
  color: #dce1ea;
}

.empty {
  padding: 26px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

.link-list {
  display: grid;
  gap: 8px;
}

.link-list a {
  color: var(--accent-2);
}

code {
  padding: 0.12em 0.32em;
  border-radius: 5px;
  background: var(--panel-2);
  color: var(--text);
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    gap: 16px;
  }

  .nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .main {
    padding: 22px 14px 42px;
  }

  .stats-grid,
  .control-grid,
  .two-col,
  .image-row {
    grid-template-columns: 1fr;
  }

  .chart {
    height: 320px;
  }
}