body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(45deg, #85FFBD 0%, #FFFB7D 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Login Page Styling */
.login-container {
    background-color: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 90%;
    text-align: center;
    margin: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: fadeIn 1s ease-in-out;
}

.login-container h2 {
    color: #333;
    margin-bottom: 20px;
}

.login-container p {
    margin: 20px 0;
    font-size: 16px;
    color: #555;
}

.guest-button {
    background-color: #4285f4;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.guest-button:hover {
    background-color: #357ae8;
}

/* Main To-Do List Page Styling */
.container {
    background-color: white;
    padding: 20px 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    width: 90%;
    margin: 40px auto;
    text-align: center;
    animation: fadeIn 1s ease-in-out;
    position: relative;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    color: #333;
    margin: 0;
}

#user-info {
    display: flex;
    align-items: center;
}

.user-picture {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
}

.user-name {
    font-weight: bold;
    color: #555;
}

.logout-button {
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 8px 12px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.logout-button:hover {
    background-color: #c82333;
}

main {
    margin-top: 20px;
}

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

li {
    background-color: #f0f0f0;
    margin: 10px 0;
    padding: 12px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.5s ease-out;
}

.buttons-container {
    display: flex;
    gap: 10px;
}

.complete-button {
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 6px 10px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.complete-button:hover {
    background-color: #218838;
}

.delete-button {
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 6px 10px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.delete-button:hover {
    background-color: #c82333;
}

.actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 15px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

.hidden {
    display: none;
}

/* Completed Tasks Container */
#completedTasksContainer {
    background-color: white;
    padding: 20px 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    width: 90%;
    margin: 40px auto;
    text-align: center;
    animation: fadeIn 1s ease-in-out;
}

#completedTasksContainer h2 {
    color: #333;
    margin-bottom: 20px;
}


.empty-message {
    color: #666;
    font-style: italic;
    margin-top: 20px;
}

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

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* Responsive Design */
@media (max-width: 600px) {
    .container, #completedTasksContainer, .login-container {
        width: 95%;
        padding: 15px;
    }

    .buttons-container {
        flex-direction: column;
    }

    .actions {
        flex-direction: column;
    }
}
.edit-button {
    background-color: #ffc107; /* Yellow color */
    color: white;
    border: none;
    border-radius: 5px;
    padding: 6px 10px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.edit-button:hover {
    background-color: #e0a800;
}
.deadline-button {
    background-color: #17a2b8; /* Blue color */
    color: white;
    border: none;
    border-radius: 5px;
    padding: 6px 10px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.deadline-button:hover {
    background-color: #138496;
}

.deadline-span {
    font-size: 0.9em;
    color: #666;
    margin-left: 10px;
    font-style: italic;
}
.notifications {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #ffcccc;
    color: #333;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.notifications.hidden {
    display: none;
}

body {
    font-family: 'Georgia', serif;
    background: url(https://images.unsplash.com/photo-1644329843491-99edfc83de04?q=80&w=2071&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D) no-repeat center center fixed;
    background-size: cover;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    color: #333;
}


.container {
    background-color: rgba(255, 255, 255, 0.9); /* Slightly more opaque */
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    max-width: 800px; /* Wider container */
    width: 90%;
    margin: 40px auto;
    text-align: center;
    position: relative;
    border: 2px solid #ddd; /* Soft border */
    background-image: url('https://example.com/paper-texture.png'); /* Optional: add paper texture */
    background-size: cover; /* Ensure background texture covers the area */
}


header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #ddd;
    padding-bottom: 15px;
    margin-bottom: 20px;
    background-color: rgba(255, 255, 255, 0.8); /* Add a light background */
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}


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

li {
    background-color: rgba(255, 255, 255, 0.9); /* Slightly more opaque */
    margin: 15px 0; /* Increase spacing */
    padding: 15px; /* Add more padding */
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* Increased shadow */
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}


li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: #17a2b8; /* Accent color */
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}


button {
    font-family: 'Courier New', Courier, monospace; /* Typewriter font */
}


.edit-button {
    background-color: #f8e8c1; /* Light yellow */
    border: 1px solid #d0a867;
    color: #333;
}


.deadline-button {
    background-color: #cce5ff; /* Light blue */
    border: 1px solid #8cb3e0;
    color: #333;
}


#completedTasksContainer {
    background-color: rgba(255, 255, 255, 0.9); /* Slightly more opaque */
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    max-width: 800px; /* Wider container */
    width: 90%;
    margin: 40px auto;
    text-align: center;
    border: 2px solid #ddd;
    background-image: url('https://example.com/paper-texture.png'); /* Optional: add paper texture */
    background-size: cover; /* Ensure background texture covers the area */
}


.empty-message {
    color: #666;
    font-style: italic;
    margin-top: 20px;
    border-top: 1px solid #ddd;
    padding-top: 10px;
    text-align: center;
}


.actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 15px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2); /* Create depth */
}

button:hover {
    background-color: #45a049;
    transform: translateZ(10px); /* Moves the button forward */
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3); /* Increase shadow for 3D effect */
}

body {
    font-family: 'Georgia', serif;
    background: url(https://images.unsplash.com/photo-1644329843491-99edfc83de04?q=80&w=2071&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D) no-repeat center center fixed;
    background-size: cover;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    color: #333;
    perspective: 1000px; /* Adds depth to 3D effects */
}


.container {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); /* Larger shadow for depth */
    max-width: 800px;
    width: 90%;
    margin: 40px auto;
    text-align: center;
    position: relative;
    border: 2px solid #ddd;
    transform: rotateY(5deg) rotateX(3deg); /* Slight tilt for 3D effect */
    transition: transform 0.5s ease;
}

.container:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.05); /* Pop-up effect */
}


header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #ddd;
    padding-bottom: 15px;
    margin-bottom: 20px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transform: translateZ(50px); /* Makes header appear closer */
}


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

li {
    background-color: rgba(255, 255, 255, 0.9);
    margin: 15px 0;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3); /* Increased shadow for 3D */
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    transform: rotateY(-3deg); /* Tilt each task for 3D feel */
    transition: transform 0.3s ease;
}

li:hover {
    transform: rotateY(0deg) scale(1.05); /* Pop-out on hover */
}


button {
    font-family: 'Courier New', Courier, monospace;
    padding: 10px 15px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); /* 3D button effect */
    transition: transform 0.3s ease, background-color 0.3s;
    transform: translateZ(30px); /* Appears as if floating */
}

button:hover {
    transform: translateZ(40px) scale(1.05); /* Pop-out effect */
    background-color: #45a049;
}


.edit-button {
    background-color: #f8e8c1;
    border: 1px solid #d0a867;
    color: #333;
}


.deadline-button {
    background-color: #cce5ff;
    border: 1px solid #8cb3e0;
    color: #333;
}


#completedTasksContainer {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    width: 90%;
    margin: 40px auto;
    text-align: center;
    border: 2px solid #ddd;
    transform: rotateY(5deg);
    transition: transform 0.5s ease;
}

#completedTasksContainer:hover {
    transform: rotateY(0deg) scale(1.05);
}


a {
    color: #333;
    text-decoration: none;
    transition: transform 0.3s ease, color 0.3s;
    transform: translateZ(10px);
}

a:hover {
    transform: translateZ(20px);
    color: #17a2b8;
}


.actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
    transform: translateZ(30px);
}