@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500&display=swap");

:root {
  --sys-surface   : #f1f7ef;
  --sys-onSurface : #1b1c1b;
}

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

body {
  margin: 0;
  font-family: Roboto, system-ui, sans-serif;
  background: var(--sys-surface);
  color: var(--sys-onSurface);
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.app-bar {
  padding: 12px 24px 4px;
}

.wrapper {
  flex: 1;
  display: grid;
  gap: 24px;
  padding: 24px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: #ffffff;
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,.14);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.color-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.color-row label {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: .75rem;
  gap: 4px;
}

.btn-filled,
.btn-tonal {
  border: 0;
  border-radius: 100px;
  padding: 10px 24px;
  font: 500 0.9rem Roboto, sans-serif;
  cursor: pointer;
}
.btn-filled  { background: #316d2a; color: #fff; }
.btn-tonal   { background: #d7e9d2; color: #1b4113; }
.btn-filled:disabled,
.btn-tonal:disabled { opacity:.35; cursor:not-allowed; }