:root {
  --bg: #fff5f6;          /* light pink background */
  --card: #ffffff;        /* white cards */
  --text: #1a1a1a;        /* dark text */
  --muted: #555;          /* secondary text */
  --primary: #e63946;     /* red buttons (like in app) */
  --primary-hover: #c92e3a;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* NAVBAR */
nav {
  background: var(--card);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
}

nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 1rem;
  font-weight: 500;
}

nav a:hover {
  color: var(--primary);
}

/* CONTAINER */
.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 1rem;
}

/* BUTTON */
.button {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s;
}

.button:hover {
  background: var(--primary-hover);
}

/* NAV active link */
nav a.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 2px;
}