:root
{
  --baby-bg: #f3f6ff;
  --baby-card-bg: #ffffff;
  --baby-primary: #4f9ce6;
  --baby-primary-soft: #e1f0ff;
  --baby-accent: #f9a8d4;
  --baby-ink: #1f2933;
  --baby-muted: #6b7280;
  --baby-border: #e5e7eb;
  --baby-error: #b91c1c;
  --baby-success: #047857;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.1);
}

/* Base */

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

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

a
{
  color: var(--baby-primary);
  text-decoration: none;
}

a:hover
{
  text-decoration: underline;
}

main.page
{
  padding-top: 72px;
}

/* Layout */

.page-inner
{
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
  padding-top: 16px;
  padding-bottom: 32px;
}

/* Cards */

.card
{
  background-color: var(--baby-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 16px;
}

/* Buttons */

.btn
{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  border-width: 0;
  font-size: 15px;
  font-weight: 600;
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 18px;
  padding-right: 18px;
  cursor: pointer;
  transition-property: transform, box-shadow, background-color, color, border-color;
  transition-duration: 150ms;
}

.btn:active
{
  transform: translateY(1px);
}

.btn-primary
{
  background-color: var(--baby-primary);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(79, 156, 230, 0.5);
}

.btn-primary:hover
{
  background-color: #3b82d3;
}

.btn-secondary
{
  background-color: var(--baby-accent);
  color: #1f2933;
  box-shadow: 0 6px 16px rgba(249, 168, 212, 0.4);
}

.btn-secondary:hover
{
  background-color: #f472b6;
}

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

.btn-danger
{
  background-color: #fee2e2;
  color: #991b1b;
}

.btn-small
{
  font-size: 13px;
  padding-top: 6px;
  padding-bottom: 6px;
  padding-left: 10px;
  padding-right: 10px;
}

.btn-full
{
  width: 100%;
}

/* Fields */

.field
{
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.field-label
{
  font-size: 13px;
  font-weight: 500;
  color: var(--baby-muted);
}

.field-input
{
  border-radius: 12px;
  border-width: 1px;
  border-style: solid;
  border-color: var(--baby-border);
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 12px;
  padding-right: 12px;
  font-size: 15px;
  background-color: #ffffff;
}

.field-input:focus
{
  outline-width: 2px;
  outline-style: solid;
  outline-color: var(--baby-primary);
  outline-offset: 0;
  border-color: var(--baby-primary);
}

.field-input--textarea
{
  resize: vertical;
}

/* Alerts */

.alert
{
  border-radius: var(--radius-md);
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 12px;
  padding-right: 12px;
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-error
{
  background-color: #fef2f2;
  color: var(--baby-error);
  border-width: 1px;
  border-style: solid;
  border-color: #fecaca;
}

.alert-success
{
  background-color: #ecfdf3;
  color: var(--baby-success);
  border-width: 1px;
  border-style: solid;
  border-color: #bbf7d0;
}

.alert-text
{
  margin-top: 0;
  margin-bottom: 4px;
}

/* Chips */

.chip
{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding-top: 4px;
  padding-bottom: 4px;
  padding-left: 10px;
  padding-right: 10px;
  font-size: 12px;
  font-weight: 600;
}

.chip--available
{
  background-color: #ecfdf3;
  color: var(--baby-success);
}

.chip--purchased
{
  background-color: #fef2f2;
  color: var(--baby-error);
}

/* Navbar */

.navbar
{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background-color: #ffffff;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.15);
}

.nav-inner
{
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 12px;
  padding-right: 12px;
  padding-top: 8px;
  padding-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.nav-brand
{
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo
{
  font-size: 24px;
}

.nav-title
{
  font-size: 18px;
  font-weight: 700;
}

.nav-toggle
{
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  background-color: transparent;
  border-width: 0;
  padding: 6px;
  cursor: pointer;
}

.nav-toggle-bar
{
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--baby-ink);
}

.nav-links
{
  position: fixed;
  right: 12px;
  top: 56px;
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding-top: 8px;
  padding-bottom: 8px;
  padding-left: 10px;
  padding-right: 10px;
  display: none;
  flex-direction: column;
  gap: 4px;
}

.nav-links--open
{
  display: flex;
}

.nav-link
{
  font-size: 14px;
  padding-top: 6px;
  padding-bottom: 6px;
  padding-left: 10px;
  padding-right: 10px;
  border-radius: 999px;
  color: var(--baby-ink);
}

.nav-link:hover
{
  background-color: var(--baby-primary-soft);
}

/* Footer */

.site-footer
{
  text-align: center;
  padding-top: 16px;
  padding-bottom: 24px;
  font-size: 13px;
  color: var(--baby-muted);
}

.footer-text
{
  margin-top: 0;
  margin-bottom: 0;
}

/* Responsive navbar for larger screens */

@media (min-width: 640px)
{
  .nav-inner
  {
    padding-left: 16px;
    padding-right: 16px;
  }

  .nav-toggle
  {
    display: none;
  }

  .nav-links
  {
    position: static;
    display: flex;
    flex-direction: row;
    box-shadow: none;
    background-color: transparent;
    padding-top: 0;
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
  }

  .nav-link
  {
    font-size: 14px;
  }
}