/* CSS Custom Properties for Theme Management */
:root {
    --primary-bg: #f8f9fa;
    --secondary-bg: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent-color: #4a90e2;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --border-color: #e9ecef;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --primary-bg: #1a1a1a;
    --secondary-bg: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --accent-color: #5ba3f5;
    --border-color: #444444;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top Navigation */
.top-nav {
    background-color: var(--secondary-bg);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-title {
    font-size: 26px;
    font-weight: bold;
    color: var(--accent-color);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background-color: var(--accent-color);
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

/* Main Container */
.main-container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    flex: 1 0 auto;
    width: 100%;
}

/* Column Styles */
.left-column,
.right-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: 100%;
}

/* Make sections expand to fill available space */
.todo-section,
.goals-section,
.countdown-section,
.timer-section,
.notes-section,
.quotes-section {
    flex: 1;
    min-height: 200px; /* Ensure minimum height */
    display: flex;
    flex-direction: column;
}

/* Make lists expand to fill their containers */
.todo-list,
.goals-list,
.countdown-list {
    flex: 1;
    min-height: 100px;
    overflow-y: auto;
}

/* Ensure textareas expand to fill their containers */
.notes-section textarea {
    flex: 1;
    min-height: 150px;
    resize: none;
    margin-bottom: 1rem;
    font-family: inherit;
    width: 100%;
}

/* Section Styles */
.section {
    background-color: var(--secondary-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.section:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.section h2 {
    margin-bottom: 1rem;
    color: var(--accent-color);
    font-size: 1.4rem;
}

/* Input Styles */
input, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--secondary-bg);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

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

/* Button Styles */
button {
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--accent-color);
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

button:hover {
    background-color: #3a7bc8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

button:active {
    transform: translateY(0);
}

/* To-Do List Styles */
.todo-input-container {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.todo-input-container input {
    width: 300px;
    height: 35px;
}

.todo-input-container button {
    width: 80px;
    height: 35px;
    padding: 0;
}

.todo-list {
    list-style: none;
    max-height: 300px;
    overflow-y: auto;
}

.todo-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background-color: var(--primary-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.todo-item:hover {
    background-color: var(--border-color);
}

.todo-item.completed span {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.todo-item input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
    cursor: pointer;
}

.todo-item span {
    flex: 1;
    word-break: break-word;
}

.delete-btn {
    background-color: var(--danger-color);
    padding: 0.25rem 0.5rem;
    font-size: 12px;
    min-width: auto;
}

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

/* Goals Tracker Styles */
.goals-input-container {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.goals-input-container input {
    width: 250px;
    height: 35px;
}

.goals-input-container button {
    width: 100px;
    height: 35px;
    padding: 0;
}

.progress-container {
    margin-bottom: 1rem;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background-color: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(45deg, var(--success-color), #20c997);
    border-radius: 10px;
    width: 0%;
    transition: width 0.5s ease;
}

.progress-text {
    text-align: center;
    font-weight: 600;
    color: var(--accent-color);
}

.goals-list {
    list-style: none;
    max-height: 200px;
    overflow-y: auto;
}

.goal-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background-color: var(--primary-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.goal-item:hover {
    background-color: var(--border-color);
}

.goal-item.completed {
    background-color: rgba(40, 167, 69, 0.1);
}

.goal-item input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
    cursor: pointer;
}

.goal-item span {
    flex: 1;
    word-break: break-word;
}

/* Countdown Styles */
.countdown-input-container {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.countdown-input-container input[type="text"] {
    width: 200px;
    height: 30px;
}

.countdown-input-container input[type="date"] {
    width: 150px;
    height: 30px;
}

.countdown-input-container button {
    width: 100px;
    height: 30px;
    padding: 0;
}

.countdown-list {
    list-style: none;
    max-height: 150px;
    overflow-y: auto;
}

.countdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background-color: var(--primary-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.countdown-item:hover {
    background-color: var(--border-color);
}

.countdown-info {
    flex: 1;
}

.countdown-name {
    font-weight: 600;
    color: var(--text-primary);
}

.countdown-days {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.countdown-days.urgent {
    color: var(--danger-color);
    font-weight: 600;
}

/* Timer Styles */
.timer-section {
    margin-bottom: 1.5rem; /* Add more space below timer section */
}

.timer-display {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background: var(--primary-bg);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    margin: 0; /* Remove any default margins */
}

.timer-circle {
    width: 100%;
    height: auto;
    background: linear-gradient(45deg, var(--accent-color), #5ba3f5);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.timer-text {
    font-size: 2.5rem;
    font-weight: bold;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
}

.timer-controls {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.timer-controls button {
    flex: 1;
    min-width: 80px;
    height: 36px;
    padding: 0.5rem;
    font-size: 0.9rem;
}

.timer-settings {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    width: 100%;
    margin-top: 0.5rem;
}

.timer-settings label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex: 1;
}

.timer-settings input {
    width: 100%;
    height: 30px;
    text-align: center;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: var(--secondary-bg);
    color: var(--text-primary);
}

/* Responsive adjustments for timer */
@media (max-width: 768px) {
    .timer-text {
        font-size: 2rem;
    }
    
    .timer-controls button {
        min-width: 70px;
        font-size: 0.8rem;
    }
    
    .timer-settings {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Notes Section */
.notes-section {
    margin-top: 1.5rem; /* Add more space above notes section */
}

.notes-section textarea {
    width: 100%;
    min-height: 150px;
    max-height: 300px;
    resize: vertical;
    margin: 1rem 0;
    padding: 0.75rem;
    font-family: inherit;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--secondary-bg);
    color: var(--text-primary);
}

.notes-controls {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.notes-controls button {
    flex: 1;
    padding: 0.5rem;
    font-size: 0.9rem;
}

.notes-controls {
    display: flex;
    gap: 0.5rem;
}

.notes-controls button {
    width: 100px;
    height: 35px;
    padding: 0;
}

/* Quotes Styles */
.quote-display {
    text-align: center;
    margin-bottom: 1rem;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quote-text {
    font-style: italic;
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.5;
    padding: 0 1rem;
}

#newQuoteBtn {
    width: 120px;
    height: 35px;
    padding: 0;
    display: block;
    margin: 0 auto;
}

/* Footer */
.footer {
    background-color: var(--secondary-bg);
    padding: 1rem 0;
    text-align: center;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    width: 100%;
    flex-shrink: 0;
}

.footer p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-container {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-title {
        font-size: 20px;
    }
    
    .theme-toggle {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .section {
        padding: 1rem;
    }
    
    /* Stack form inputs on mobile */
    .todo-input-container,
    .goals-input-container,
    .countdown-input-container {
        flex-direction: column;
    }
    
    .todo-input-container input,
    .todo-input-container button,
    .goals-input-container input,
    .goals-input-container button,
    .countdown-input-container input,
    .countdown-input-container button {
        width: 100%;
        height: 40px;
    }
    
    .timer-circle {
        width: 120px;
        height: 120px;
    }
    
    .timer-text {
        font-size: 24px;
    }
    
    .timer-controls {
        flex-wrap: wrap;
    }
    
    .timer-settings {
        flex-direction: column;
        align-items: center;
    }
    
    .notes-section textarea {
        width: 100%;
        height: 120px;
    }
    
    .notes-controls {
        flex-direction: column;
    }
    
    .notes-controls button {
        width: 100%;
    }
}

/* Additional Animations and Effects */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.todo-item,
.goal-item,
.countdown-item {
    animation: fadeIn 0.3s ease;
}

/* Success button variant */
.btn-success {
    background-color: var(--success-color);
}

.btn-success:hover {
    background-color: #218838;
}

/* Warning button variant */
.btn-warning {
    background-color: var(--warning-color);
    color: var(--text-primary);
}

.btn-warning:hover {
    background-color: #e0a800;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3a7bc8;
}