/* Base styles and reset */
:root {
    --primary-color: #4A90E2;
    --secondary-color: #F5F7FA;
    --accent-color: #50C878;
    --danger-color: #FF6B6B;
    --text-color: #2D3436;
    --border-radius: 10px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
    display: flex;
    justify-content: center;
}

/* Container styling */
.container {
    width: 100%;
    max-width: 800px;
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    min-width: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Header styling */
h1 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5em;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

/* Input group styling */
.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    width: 100%;
}

#taskInput {
    flex: 1;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--secondary-color);
    min-width: 0;
}

#taskInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

#addTaskButton {
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
    width: 110px;
}

#addTaskButton:hover {
    background: #357ABD;
    transform: translateY(-2px);
}

/* Task Items */
li {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 15px;
    background: white;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    transition: all 0.3s ease;
    position: relative;
    border-left: 4px solid var(--primary-color);
    gap: 10px;
    transform-origin: top center;
}

li:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.task-text {
    flex: 1;
    word-break: break-word;
    overflow-wrap: break-word;
    min-width: 0;
    padding-right: 10px;
    margin-right: auto;
}

/* Button container and buttons */
.button-container {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-shrink: 0;
}

.checkmark {
    color: #4CAF50;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    display: flex;
    align-items: center;
    transform: translateY(-2px);
    transition: transform 0.2s ease;
}

.checkmark:hover {
    transform: translateY(-2px) scale(1.1);
}

.undo-button {
    color: #2196F3;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    display: none;
    align-items: center;
    transform: translateY(-2px);
    transition: transform 0.2s ease;
}

.undo-button:hover {
    transform: translateY(-2px) scale(1.1);
}

.delete-button {
    color: #f44336;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    display: flex;
    align-items: center;
    transition: transform 0.2s ease;
}

.delete-button:hover {
    transform: scale(1.1);
}

/* Completed task styling */
.completed {
    background: #f8f8f8;
    opacity: 0.8;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.completed .task-text {
    text-decoration: line-through;
    color: #888;
}

.completed .checkmark {
    display: none;
}

.completed .undo-button {
    display: flex;
}

/* Responsive design */
@media (max-width: 600px) {
    .container {
        padding: 20px;
        margin: 10px;
    }
    
    body {
        padding: 0;
    }

    h1 {
        font-size: 2em;
    }

    .input-group {
        flex-direction: column;
    }

    #addTaskButton {
        width: 100%;
    }
}

/* Context Menu Styles */
.context-menu {
    position: absolute;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
    min-width: 150px;
    z-index: 1000;
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.2s ease;
    pointer-events: none;
}

.context-menu.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

.context-menu-item {
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s ease;
}

.context-menu-item:hover {
    background: var(--secondary-color);
}

.context-menu-item i {
    font-size: 14px;
    color: var(--primary-color);
}

/* Section headers with new style */
h2 {
    color: var(--text-color);
    margin: 35px 0 20px 0;
    font-size: 1.5em;
    font-weight: 500;
    padding-bottom: 15px;
    width: 100%;
    text-align: center;
    position: relative;
}

h2::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

h2::after {
    content: none;
}

h2:first-of-type {
    color: var(--primary-color);
}

h2:last-of-type {
    color: #666;
}

#completedTasks {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: 20px;
    margin-top: 20px;
}

/* Task list containers */
#taskList, #completedTasks {
    width: 100%;
}

/* Edit task input styling */
.edit-task-input {
    background: none;
    border: none;
    border-bottom: 2px solid var(--primary-color);
    font-size: inherit;
    padding: 2px 4px;
    width: 100%;
    outline: none;
}

/* Due date styling */
.due-date {
    display: block;
    font-size: 0.8em;
    color: #666;
    margin-top: 4px;
}

/* Date picker styling */
.date-picker {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Remove bullet points from lists */
ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Label menu styling */
.label-menu {
    position: absolute;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
    min-width: 150px;
    z-index: 1000;
    opacity: 1;
    pointer-events: auto;
}

.label-item {
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s ease;
    color: var(--text-color);
}

.label-item:hover {
    background: var(--secondary-color);
}

/* Task label styling */
.task-label {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.85em;
    color: white;
    margin: 0 4px;
    gap: 4px;
    cursor: default;
}

/* Style for the remove label menu item */
.context-menu-item.remove-label {
    color: #e74c3c; /* Red color for text */
    border-top: 1px solid #eee;
    margin-top: 4px;
    padding-top: 8px;
}

.context-menu-item.remove-label i {
    color: #e74c3c; /* Red color for icon */
    margin-right: 8px; /* Space between icon and text */
}

.context-menu-item.remove-label:hover {
    background: #fff1f0; /* Light red background on hover */
}

/* Dark mode variables */
:root {
    --primary-color: #4A90E2;
    --secondary-color: #F5F7FA;
    --background-color: #ffffff;
    --text-color: #2D3436;
    --card-background: #ffffff;
    --border-color: #e0e0e0;
}

:root[data-theme='dark'] {
    --primary-color: #5C9CE5;
    --secondary-color: #2D3436;
    --background-color: #1a1a1a;
    --text-color: #ffffff;
    --card-background: #2d2d2d;
    --border-color: #404040;
}

/* Top controls styling */
.top-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 20px;
    gap: 15px;
}

/* Search container styling */
.search-container {
    position: relative;
    flex: 1;
}

#searchInput {
    width: 100%;
    padding: 10px 35px 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-background);
    color: var(--text-color);
    font-size: 16px;
    transition: all 0.3s ease;
}

#searchInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    pointer-events: none;
}

/* Theme toggle button */
.theme-toggle {
    padding: 10px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Dark mode adjustments */
[data-theme='dark'] {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

[data-theme='dark'] .container {
    background: rgba(45, 45, 45, 0.95);
}

[data-theme='dark'] li {
    background: var(--card-background);
    border-color: var(--primary-color);
}

[data-theme='dark'] #searchInput {
    background: var(--card-background);
    color: var(--text-color);
}

/* Task group styling */
.task-group-header {
    margin: 20px 0 10px 0;
    padding: 10px;
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.group-icon {
    font-size: 1.2em;
}

.task-count {
    margin-left: auto;
    font-size: 0.9em;
    color: #666;
}

/* Adjust task margins within groups */
.task-group-header + li {
    margin-top: 10px;
}

/* Dark mode adjustments */
[data-theme='dark'] .task-group-header {
    background: var(--card-background);
    border: 1px solid var(--border-color);
}

[data-theme='dark'] .task-count {
    color: #999;
}

/* Add these animation keyframes to your CSS */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(20px);
    }
}

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

/* Add these classes for animations */
.task-enter {
    animation: slideIn 0.3s ease-out forwards;
}

.task-exit {
    animation: slideOut 0.3s ease-out forwards;
}

.group-enter {
    animation: fadeIn 0.4s ease-out forwards;
}

/* Update existing task styles */
li {
    /* ... existing styles ... */
    transition: all 0.3s ease;
    transform-origin: top center;
}

.task-group-header {
    /* ... existing styles ... */
    transition: all 0.3s ease;
}

/* Animation for completing tasks */
.completed {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Task separator styling */
.task-separator {
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--primary-color), transparent);
    margin: 20px 0;
    opacity: 0.3;
}

/* Adjust spacing around task groups */
.task-group-header:first-of-type {
    margin-top: 0;
}

li:not(:last-child) {
    margin-bottom: 10px;
}

/* Update the dark mode styles */
body.dark-mode {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --secondary-color: #2d2d2d;
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Make sure task text is white in dark mode */
body.dark-mode .task-text {
    color: var(--text-color);
}

/* Update completed task text color in dark mode */
body.dark-mode .completed .task-text {
    color: #888;
}

/* Update headers in dark mode */
body.dark-mode h1,
body.dark-mode h2 {
    color: var(--text-color);
}

/* Update input field in dark mode */
body.dark-mode #taskInput {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: 1px solid #444;
}

/* Update context menu in dark mode */
body.dark-mode .context-menu {
    background-color: var(--secondary-color);
    border: 1px solid #444;
}

body.dark-mode .context-menu-item {
    color: var(--text-color);
}

body.dark-mode .context-menu-item:hover {
    background-color: #444;
}

/* Update input styling for dark mode */
body.dark-mode input[type="text"] {
    color: var(--text-color);
    background-color: var(--secondary-color);
}

/* Add placeholder color for dark mode */
body.dark-mode input[type="text"]::placeholder {
    color: #888;
}

/* Update only the task input styling for dark mode */
body.dark-mode #taskInput {
    color: white;
}

body.dark-mode #taskInput::placeholder {
    color: #888;
}

/* Update the task input styling for dark mode */
[data-theme='dark'] #taskInput {
    color: white;
    background-color: var(--secondary-color);
}

[data-theme='dark'] #taskInput::placeholder {
    color: #888;
}

#stopwatch {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

#stopwatch.hidden {
    display: none;
}

#stopwatchDisplay {
    font-size: 2em;
    margin-bottom: 10px;
}

#stopwatch button {
    margin: 5px;
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background 0.3s ease;
}

#stopwatch button:hover {
    background: #357ABD;
}