:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --text: #222;
  --muted: #666;
  --primary: #0077b6;
  --primary-dark: #02588a;
  --border: #e9eef3;
  --success: #22c55e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.container {
  max-width: 680px;
  margin: 60px auto;
  padding: 24px;
  background: var(--card);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}
h1 { margin: 0 0 16px; font-size: 28px; }
form {
  display: flex; gap: 10px; margin-bottom: 12px;
}
form input {
  flex: 1; padding: 12px 14px; border: 1px solid var(--border);
  border-radius: 10px;
}
form button {
  padding: 12px 16px; border: 0; border-radius: 10px;
  background: var(--primary); color: #fff; cursor: pointer;
}
form button:hover { background: var(--primary-dark); }

.controls {
  display: flex; gap: 10px; margin: 10px 0 16px;
}
.controls input, .controls select {
  padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 10px; flex: 1;
}
.controls .ghost {
  flex: 0 0 auto; background: transparent; border: 1px solid var(--border);
  color: var(--muted); border-radius: 10px; padding: 10px 12px; cursor: pointer;
}
.controls .ghost:hover { border-color: var(--primary); color: var(--primary); }

#todo-list { list-style: none; padding: 0; margin: 0; }
.todo {
  display: grid; grid-template-columns: 28px 1fr auto; align-items: center;
  gap: 10px; padding: 12px; border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 10px; background: #fff; transition: transform .15s ease;
}
.todo:hover { transform: translateY(-2px); }
.todo.completed .title { text-decoration: line-through; color: var(--muted); }
.todo .title { overflow-wrap: anywhere; }
.todo .actions { display: flex; gap: 8px; }
.todo button {
  border: 0; background: transparent; cursor: pointer; padding: 8px 10px; border-radius: 8px;
}
.todo .done { color: var(--success); }
.todo .remove { color: #ef4444; }

.meta { color: var(--muted); margin-top: 8px; }