:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #17202a;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #111827;
  --soft: #f8fafc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 22px;
  font-weight: 800;
}

.subtitle {
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--soft);
}

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

.hero {
  margin-bottom: 24px;
}

.hero h1 {
  margin: 0;
  font-size: 34px;
}

.hero p {
  color: var(--muted);
  margin-top: 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
  margin-bottom: 18px;
}

.metric .label {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 8px;
}

.metric strong {
  font-size: 34px;
  letter-spacing: -0.04em;
}

table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
}

th, td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  font-size: 14px;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pill, .chip {
  display: inline-flex;
  border-radius: 999px;
  padding: 5px 10px;
  background: var(--soft);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 700;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.muted {
  color: var(--muted);
}

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

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 700;
}

input, select {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font: inherit;
}

button {
  border: none;
  background: var(--accent);
  color: white;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 800;
  cursor: pointer;
  align-self: end;
}

@media (max-width: 800px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid, .form-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 18px;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}