:root {
  color-scheme: light dark;
  --bg: light-dark(#f7f1ea, #141210);
  --fg: light-dark(#1c1712, #f2ebe3);
  --muted: light-dark(#6b6158, #a3988c);
  --line: light-dark(color-mix(in oklab, #1c1712 12%, transparent), color-mix(in oklab, #f2ebe3 14%, transparent));
  --accent: light-dark(#c45c20, #e07a3d);
  --accent-fg: #fff;
  --card: light-dark(#fffdf9, #1c1915);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
}

#app { min-height: 100%; padding: 1.25rem; }

button, input, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-fg);
  border: 0;
  border-radius: 8px;
  padding: 0.55rem 0.95rem;
}

button:hover { filter: brightness(1.05); }

input[type="text"] {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
}

.demo-card {
  max-width: 28rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem 1.4rem;
}

.demo-card h1, .demo-card h2, .demo-card h3 {
  font-family: Newsreader, Georgia, serif;
  font-weight: 650;
  margin: 0 0 0.75rem;
}

.demo-card p { color: var(--muted); margin: 0.75rem 0 0; }

.todo-app { max-width: 32rem; margin: 0 auto; }
.todo-app h1 {
  font-family: Newsreader, Georgia, serif;
  font-weight: 650;
  font-size: 2.4rem;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}
.todo-list { list-style: none; margin: 1rem 0; padding: 0; }
.todo-list li {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
}
.todo-list li.done label { color: var(--muted); text-decoration: line-through; }
.todo-list .destroy {
  margin-left: auto;
  background: transparent;
  color: var(--muted);
  padding: 0.2rem 0.45rem;
}
.todo-filters { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.todo-filters a {
  color: var(--fg);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 0.85rem;
}
.todo-filters a.selected { border-color: var(--accent); color: var(--accent); }
.compose-grid { display: grid; gap: 0.75rem; }
.compose-grid > * {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}