:root {
  --bg: #eff4fb;
  --card: #ffffff;
  --text: #0e2237;
  --muted: #4e6278;
  --line: #d2dce8;
  --accent: #0a6cff;
  --accent-2: #0a3ea8;
  --chip: #e9f1ff;
  --chip-active: #0a6cff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -20%, #bcd8ff 0%, transparent 35%),
    radial-gradient(circle at 85% -10%, #d7f0ff 0%, transparent 30%),
    linear-gradient(180deg, #eaf3ff 0%, var(--bg) 55%);
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 16px 16px;
}

.eyebrow {
  margin: 0;
  font-weight: 700;
  color: #3d5a79;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

h1 {
  margin: 8px 0 10px;
  font-size: 2.2rem;
  line-height: 1.15;
}

.subtitle {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
}

h2 {
  margin-top: 0;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.btn {
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
}

.btn:hover {
  background: var(--accent-2);
}

.btn-secondary {
  background: #354052;
}

.btn.ghost {
  background: #fff;
  color: #0a3ea8;
  border: 1px solid #cddaf3;
}

.btn.ghost:hover {
  background: #e8f0ff;
}

.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 16px 32px;
  display: grid;
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(14, 34, 55, 0.06);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

label {
  font-size: 0.9rem;
  color: var(--muted);
}

input,
select {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 10px;
  font-size: 0.95rem;
  background: #fbfdff;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

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

th {
  background: #f3f8ff;
  position: sticky;
  top: 0;
}

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

a.paper-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

a.paper-link:hover {
  text-decoration: underline;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 8px 18px rgba(14, 34, 55, 0.05);
}

.stat-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.85rem;
}

.stat-card h3 {
  margin: 8px 0 0;
  font-size: 1.5rem;
}

.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.tab-btn {
  border: 1px solid #c9dbfb;
  background: var(--chip);
  color: #1f3f63;
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.tab-btn.active {
  background: var(--chip-active);
  border-color: var(--chip-active);
  color: #fff;
}