:root {
  --primary: #1264d8;
  --primary-dark: #0f3f91;
  --ink: #172033;
  --muted: #667085;
  --line: #dbe5f3;
  --bg: #f4f8fd;
  --sidebar: #102a56;
}

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

.btn-primary {
  --bs-btn-bg: var(--primary);
  --bs-btn-border-color: var(--primary);
  --bs-btn-hover-bg: var(--primary-dark);
  --bs-btn-hover-border-color: var(--primary-dark);
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #eef6ff 0%, #ffffff 100%);
}

.login-wrap {
  width: min(440px, calc(100% - 32px));
}

.login-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(20, 64, 120, 0.14);
  padding: 34px;
}

.brand-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 28px;
  margin-bottom: 20px;
}

.login-card h1 {
  font-size: 28px;
  font-weight: 800;
  margin: 0;
}

.login-card p {
  color: var(--muted);
  margin: 8px 0 24px;
}

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  background: var(--sidebar);
  color: #fff;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 24px;
}

.nav-link,
.logout {
  width: 100%;
  border: 0;
  border-radius: 8px;
  padding: 12px 14px;
  background: transparent;
  color: #d8e7ff;
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  text-decoration: none;
}

.nav-link.active,
.nav-link:hover,
.logout:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.logout {
  margin-top: auto;
}

.content {
  padding: 32px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.topbar h1 {
  font-size: 30px;
  font-weight: 800;
  margin: 0;
}

.topbar p {
  color: var(--muted);
  margin: 4px 0 0;
}

.panel,
.metric-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 26px rgba(20, 64, 120, 0.08);
}

.panel {
  padding: 24px;
  margin-bottom: 20px;
}

.panel h2 {
  font-size: 22px;
  font-weight: 800;
}

.panel-heading,
.daily-records-actions,
.daily-records-summary {
  display: flex;
  align-items: center;
}

.panel-heading {
  justify-content: space-between;
  gap: 20px;
}

.daily-records-actions {
  gap: 8px;
  flex-wrap: wrap;
}

.daily-records-actions .form-control {
  width: 170px;
}

.daily-records-actions .btn {
  min-height: 38px;
}

.daily-records-summary {
  gap: 20px;
  margin-top: 22px;
  color: var(--muted);
}

.daily-records-summary span {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.daily-records-summary strong {
  color: var(--ink);
  font-size: 20px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.metric-grid.compact {
  grid-template-columns: repeat(3, minmax(160px, 1fr));
}

.metric-card {
  padding: 22px;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 32px;
}

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

.download-grid a {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
}

.result-line {
  margin-top: 10px;
  font-weight: 700;
}

.settings-panel {
  max-width: 520px;
}

@media (max-width: 900px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .metric-grid.compact {
    grid-template-columns: 1fr;
  }

  .panel-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .daily-records-actions .form-control {
    width: 100%;
  }
}