* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f0f0f0; /* Basic light gray background */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 400px;
    padding: 20px;
}

.auth-container {
    background-color: white;
    padding: 20px;
    border: 1px solid #ccc; /* Basic border */
}

.toggle-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.toggle-btn {
    padding: 8px 20px;
    background-color: #ddd; /* Light gray */
    border: 1px solid #999;
    cursor: pointer;
}

.toggle-btn.active {
    background-color: #666; /* Darker gray */
    color: white;
}

.form-box {
    display: none; /* Hidden by default */
}

.form-box.active {
    display: block; /* Show when active */
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

input, select {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
}

.submit-btn {
    width: 100%;
    padding: 10px;
    background-color: #333; /* Dark gray */
    color: white;
    border: none;
    cursor: pointer;
}

.message {
    color: red;
    text-align: center;
    margin-top: 10px;
}

.todo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.logout-btn {
    padding: 8px 15px;
    background-color: #f00; /* Red */
    color: white;
    border: none;
    cursor: pointer;
}

.todo-controls {
    margin: 20px 0;
    display: flex;
    gap: 10px;
}

.todo-list {
    /* Removed max-height and overflow-y to eliminate scroller */
}

.todo-item {
    padding: 10px;
    background-color: #eee; /* Light gray */
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.todo-item.high { border-left: 4px solid red; }
.todo-item.medium { border-left: 4px solid orange; }
.todo-item.low { border-left: 4px solid green; }
.todo-item.completed { text-decoration: line-through; }

.todo-actions button {
    padding: 5px 10px;
    margin-left: 5px;
    border: 1px solid #999;
    background-color: #ddd;
    cursor: pointer;
}

.pagination {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-btn {
    padding: 8px 15px;
    background-color: #333; /* Dark gray */
    color: white;
    border: none;
    cursor: pointer;
}