:root {
  --brand-ink: #222B45;
  --brand-blue: #3155C8;
  --brand-blue-hover: #2442A6;
  --brand-teal: #14808F;
  --bg-page: #F4F6FB;
  --bg-card: #FFFFFF;
  --border-color: #E2E8F0;
  --text-muted: #64748B;
  --success: #16A34A;
  --warning: #EA580C;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--brand-ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  background: var(--brand-blue);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px;
  width: 100%;
  flex: 1;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 24px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
  margin-bottom: 20px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--brand-ink);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  background-color: #fff;
  color: var(--brand-ink);
  outline: none;
  transition: border-color 0.15s;
}

input:focus, select:focus {
  border-color: var(--brand-blue);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--brand-blue);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-blue-hover);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--brand-ink);
}

.btn-outline:hover {
  background: #f8fafc;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* Badges & Tags */
.pill {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 9999px;
  display: inline-block;
}

.pill-auto {
  background: #DCFCE7;
  color: #15803D;
}

.pill-approval {
  background: #FEF3C7;
  color: #B45309;
}

/* Child selector list */
.child-selector {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.child-tab {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  min-width: 140px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}

.child-tab.active {
  border-color: var(--brand-blue);
  background: #EEF2FF;
}

.child-tab-name {
  font-weight: 700;
  font-size: 15px;
}

.child-tab-sub {
  font-size: 12px;
  color: var(--text-muted);
}

/* Stats metric */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.metric-box {
  background: #F8FAFC;
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px solid var(--border-color);
}

.metric-val {
  font-size: 22px;
  font-weight: 800;
  color: var(--brand-blue);
}

.metric-lbl {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Banner / Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  margin-bottom: 16px;
}

.alert-info {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: #1E40AF;
}

.alert-success {
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #065F46;
}