* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #f1f5f9;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  color: #000;
}

body.dark {
  background: #0f172a;
  color: #fff;
}

/* Container */
.todo-container {
  background: #ffffff;
  width: 380px;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

body.dark .todo-container {
  background: #1e293b;
}

/* Head */
h2 {
  text-align: center;
  margin-bottom: 10px;
}

/* Top bar */
.top-bar {
  display: flex;
  gap: 10px;
}

/* Inputs */
input {
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
  color: #000;           /* ✅ FIX */
  background: #fff;
}

body.dark input {
  background: #334155;  /* ✅ FIX */
  color: #fff;
  border: 1px solid #475569;
}

input:focus {
  outline: none;
}

/* Buttons */
button {
  padding: 10px;
  border-radius: 5px;
  border: none;
  background: #2563eb;
  color: white;
  cursor: pointer;
}

button:hover {
  background: #1e40af;
}

/* Input box */
.input-box {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

/* Filters */
.filters {
  display: flex;
  justify-content: space-between;
  margin: 10px 0;
}

.filters button {
  flex: 1;
  margin: 0 3px;
  background: #cbd5e1;
  color: #000;
}

.filters button.active {
  background: #2563eb;
  color: #fff;
}

/* Task list */
ul {
  list-style: none;
}

li {
  background: #f8fafc;
  margin-bottom: 6px;
  padding: 8px;
  border-radius: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

body.dark li {
  background: #334155;
}

.task-left {
  display: flex;
  gap: 8px;
  flex: 1;
  align-items: center;
}

.task-left span.completed {
  text-decoration: line-through;
  color: gray;
}

/* Empty message */
#emptyMsg {
  text-align: center;
  color: gray;
  display: none;
}

/* Clear button */
#clearDone {
  margin-top: 10px;
  width: 100%;
  background: red;
}