:root {
  --bg-color: #f8fafc;
  --sidebar-bg: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--bg-color);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 260px;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.main-wrapper {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-header {
  background-color: var(--bg-color);
  padding: 32px 40px 16px 40px;
  border-bottom: 1px solid var(--border-color);
}

.scroll-content {
  flex-grow: 1;
  background-color: white;
  padding: 0 24px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
}

.brand i {
  font-size: 20px;
}

.user-card {
  margin-top: 16px;
  padding: 12px;
  background-color: #f8fafc;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #475569;
}

.user-card a {
  margin-left: auto;
  color: #94a3b8;
  text-decoration: none;
}

.sidebar-controls {
  flex-grow: 1;
  overflow-y: auto;
  padding-right: 4px;
}

.control-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 6px;
  margin-top: 16px;
}

.dash-dropdown {
  width: 100%;
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 6px 8px;
  font-size: 13px;
  background-color: #ffffff;
}

.form-control-sm {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 13px;
  padding: 8px 12px;
}

.divider {
  border-top: 1px solid #e2e8f0;
  margin: 24px 0;
}

.button-row {
  margin-top: 24px;
  display: flex;
  gap: 8px;
}

.btn-light {
  flex: 1;
  padding: 8px 10px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
}

.toolbar-container {
  display: flex;
  align-items: center;
  gap: 12px;
  background: white;
  padding: 6px 10px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.radio-group {
  display: flex;
  gap: 4px;
}

.radio-group button {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
}

.radio-group button.active {
  background-color: #f1f5f9;
  color: var(--text-primary);
  font-weight: 600;
}

.divider-vertical {
  width: 1px;
  height: 24px;
  background-color: #e2e8f0;
}

.date-range {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-primary);
}

.date-range input {
  border: none;
  background: transparent;
  font-size: 12px;
  font-family: "Inter", sans-serif;
  padding: 4px 6px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.kpi-card {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 88px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.kpi-message {
  font-size: 13px;
  color: var(--text-secondary);
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.kpi-icon-gray {
  background-color: #f1f5f9;
  color: #475569;
}

.kpi-icon-blue {
  background-color: #eff6ff;
  color: #3b82f6;
}

.kpi-icon-green {
  background-color: #ecfdf5;
  color: #10b981;
}

.kpi-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin: 0;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.kpi-value-blue {
  color: #3b82f6;
}

.kpi-value-green {
  color: #10b981;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 800;
}

#gantt-chart {
  min-height: 560px;
}