:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --accent: #0369a1;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: ui-sans-serif, -apple-system, Segoe UI, sans-serif;
  margin: 0;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  min-height: 100vh;
  color: var(--text);
}

/* ── Top navigation ── */
.topnav {
  background: #0f172a;
  position: sticky;
  top: 0;
  z-index: 100;
}
.topnav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 52px;
}
.topnav .brand {
  font-weight: 700;
  color: white;
  text-decoration: none;
  margin-right: 16px;
  font-size: 1.05em;
  letter-spacing: -0.01em;
}
.topnav a[data-nav] {
  color: #94a3b8;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.9em;
  transition: background 0.15s, color 0.15s;
}
.topnav a[data-nav]:hover { background: #1e293b; color: white; }
.topnav a[data-nav].active { background: #0369a1; color: white; }

/* ── Layout ── */
.wrap {
  max-width: 960px;
  margin: 40px auto;
  padding: 0 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.06);
}
h1 { margin-top: 0; }

/* ── Table ── */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); }
th { font-size: 0.85em; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }

/* ── Buttons ── */
button {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.9em;
}
button:hover { filter: brightness(1.1); }
button.btn-edit   { background: #0891b2; padding: 4px 10px; font-size: 0.82em; }
button.btn-save   { background: #16a34a; padding: 4px 10px; font-size: 0.82em; }
button.btn-cancel { background: #64748b; padding: 4px 10px; font-size: 0.82em; }

/* ── Forms ── */
.row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 14px;
}
input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  font-size: 0.9em;
  outline: none;
  transition: border-color 0.15s;
}
input:focus { border-color: var(--accent); }
td input { padding: 5px 8px; font-size: 0.88em; }

/* ── Dashboard cards ── */
.page-header { margin-bottom: 8px; }
.page-header p { color: var(--muted); margin-top: 4px; }

.dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.dash-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 36px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  box-shadow: 0 4px 12px rgba(2, 6, 23, 0.05);
  transition: box-shadow 0.2s, transform 0.15s, border-color 0.15s;
}
.dash-card:hover {
  box-shadow: 0 8px 24px rgba(3, 105, 161, 0.14);
  transform: translateY(-2px);
  border-color: #bae6fd;
}
.dash-icon { font-size: 2.4rem; line-height: 1; }
.dash-label { font-weight: 600; font-size: 1.05em; }
.dash-desc { font-size: 0.83em; color: var(--muted); text-align: center; }
.dash-badge {
  font-size: 0.7em;
  background: #f1f5f9;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 99px;
  padding: 2px 8px;
}