/* Second Semester lesson theme (Shanghai Maths S2) */
:root {
  --teal: #c26a2d;
  --teal-deep: #8a3f12;
  --coral: #d4894a;
  --sand: #f5ebe3;
  --glow: rgba(194, 106, 45, 0.14);
}

body {
  background:
    radial-gradient(1200px 600px at 10% -10%, #f3e7df 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #ffe8cc 0%, transparent 45%),
    linear-gradient(180deg, #f7f0e8 0%, var(--paper) 35%, #f3eee8 100%);
}