:root {
    --background-color: #f0f0f0;
    --text-color: #333;
    --container-background: #fff;
    --button-background: #28a745;
    --button-hover: #218838;
    --task-complete: #888;
    --border-color: #ccc;
}

body.dark {
    --background-color: #333;
    --text-color: #fff;
    --container-background: #444;
    --button-background: #007bff;
    --button-hover: #0056b3;
    --task-complete: #bbb;
    --border-color: #666;
    --task-text-color: #000; /* Added for dark mode task text color */
}

h3 {
   color: var(--task-text-color);
    font-size: 18px;
    font-weight: bold;
    transition: color 0.3s;
    text-decoration: underline;
}

.fot {
    background-color: #181818;
    border-radius: 50px;
    padding: 5px 5px;
    margin: 0 auto;
    box-shadow: #050505 0 0 10px;
    color: #fff;
    text-align: center;
    font-size: 14px;
}

a {
    color: #0078d4;
    text-decoration: none;
}

body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    background-color: var(--container-background);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
    box-sizing: border-box;
    transition: background-color 0.3s;
}

h1 {
    margin: 0;
    font-size: 35px;
    text-align: center;
}

.logo {
    width: 100px;
    height: 100px; /* Ensure the logo is square */
    border-radius: 50%;
    box-shadow: 0 0 8px black;
    transition: all 0.3s ease-in-out;
    margin: 20px auto; /* Center the logo horizontally */
    display: block; /* Ensure it behaves as a block element */
}


.input-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

input[type="text"], input[type="date"], select {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
}

button {
    padding: 10px;
    border: none;
    background-color: var(--button-background);
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: var(--button-hover);
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

li {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f9f9f9;
    border-radius: 5px;
    margin-top: 10px;
    animation: fadeIn 0.3s;
    transition: background-color 0.3s, color 0.3s;
    color: var(--task-text-color); /* Task text color */
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

li.completed {
    text-decoration: line-through;
    color: var(--task-complete);
}

li .actions {
    display: flex;
    gap: 5px;
}

li button {
    background-color: #dc3545;
    color: #fff;
    border: none;
    padding: 5px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

li button:hover {
    background-color: #c82333;
}

.priority-low {
    border-left: 5px solid green;
}

.priority-medium {
    border-left: 5px solid orange;
}

.priority-high {
    border-left: 5px solid red;
}

.toggle-theme {
    background-color: var(--button-background);
    color: #fff;
    padding: 2px;
    border-radius: 50px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 15px;
}

.toggle-theme:hover {
    background-color: var(--button-hover);
}