:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #17202a;
  --muted: #637083;
  --line: #dfe4ea;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --shadow: 0 12px 30px rgba(20, 31, 44, 0.08);
}

* {
  box-sizing: border-box;
}

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

button,
input {
  font: inherit;
}

button,
.hero a {
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  min-height: 40px;
  padding: 0 16px;
  text-decoration: none;
}

button:hover,
.hero a:hover {
  background: var(--accent-strong);
}

.secondary {
  background: #e8eef3;
  color: var(--text);
}

input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  color: var(--text);
  padding: 0 12px;
}

.shell {
  width: min(1080px, calc(100% - 28px));
  margin: 0 auto;
  padding: 24px 0 42px;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.hero h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: 0;
}

.hero p {
  margin: 6px 0 0;
  color: var(--muted);
}

.auth-panel,
.metrics div,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
  padding: 16px;
  margin-bottom: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.metrics div {
  padding: 16px;
}

.metrics span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.metrics strong {
  font-size: 22px;
  overflow-wrap: anywhere;
}

.panel {
  padding: 16px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel h2 {
  margin: 0;
  font-size: 18px;
}

.table-wrap {
  overflow-x: auto;
}

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

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  font-size: 14px;
}

th {
  color: var(--muted);
  font-weight: 600;
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 22px 8px;
}

@media (max-width: 760px) {
  .hero,
  .auth-panel {
    grid-template-columns: 1fr;
    display: grid;
  }

  .metrics {
    grid-template-columns: 1fr 1fr;
  }
}