/* --- Basic Reset & Setup --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #121212; /* Dark background */
    color: #e0e0e0; /* Light text */
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 50px;
    min-height: 100vh;
}

/* --- Main Container --- */
.todo-container {
    width: 100%;
    max-width: 500px;
    background-color: #1e1e1e; /* Slightly lighter card background */
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-align: center;
}

/* --- Form Elements --- */
#task-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

#task-input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #444;
    border-radius: 5px;
    background-color: #252525;
    color: #e0e0e0;
    font-size: 1rem;
}

#task-input:focus {
    outline: none;
    border-color: #007bff; /* Highlight color */
}

#priority-input, #task-form button {
    padding: 10px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    background-color: #333;
    color: #e0e0e0;
}

#task-form button {
    background-color: #007bff;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

#task-form button:hover {
    background-color: #0056b3;
}

/* --- Task List --- */
#task-list {
    list-style: none;
}

.task-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background-color: #2a2a2a;
    border-radius: 5px;
    margin-bottom: 10px;
    border-left: 5px solid; /* This will be the priority indicator */
    transition: background-color 0.2s ease;
}

/* Priority Colors */
.task-item[data-priority="low"] { border-color: #28a745; } /* Green */
.task-item[data-priority="medium"] { border-color: #ffc107; } /* Yellow */
.task-item[data-priority="high"] { border-color: #dc3545; } /* Red */

.task-item.completed .task-text {
    text-decoration: line-through;
    opacity: 0.5;
}

.task-text {
    flex-grow: 1;
    margin: 0 15px;
    cursor: pointer;
}

.task-actions button {
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    font-size: 1rem;
    margin-left: 10px;
    transition: color 0.2s ease;
}

.task-actions button:hover {
    color: #fff;
}