/**
 * Minimal Styles for Task Management Starter Project
 * 
 * This stylesheet provides basic styling for the starter project.
 * Students will enhance and expand these styles throughout the course.
 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Sections */
section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

section h2 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 1.8rem;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

section h3 {
    color: #555;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* Course Outline */
.course-outline {
    margin: 25px 0;
}

.course-outline ul {
    list-style: none;
    padding-left: 0;
}

.course-outline li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    font-size: 1.1rem;
}

.course-outline li:last-child {
    border-bottom: none;
}

.course-outline strong {
    color: #667eea;
    font-weight: 600;
}

/* Placeholder Content */
.placeholder-content ul {
    margin-left: 20px;
    margin-top: 15px;
}

.placeholder-content li {
    margin-bottom: 8px;
    color: #666;
}

/* App Placeholder */
.app-placeholder {
    background: #f8f9fa;
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    color: #6c757d;
    font-size: 1.1rem;
}

.app-placeholder p {
    margin-bottom: 10px;
}

/* Footer */
footer {
    margin-top: 40px;
    text-align: center;
    padding: 20px 0;
    color: #666;
    border-top: 1px solid #eee;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    section {
        padding: 20px;
    }
    
    section h2 {
        font-size: 1.5rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mt-20 {
    margin-top: 20px;
}
/* Messages */
.messages-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
}

.message {
    padding: 12px 16px;
    margin-bottom: 10px;
    border-radius: 6px;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    animation: slideIn 0.3s ease-out;
}

.message-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.message-error {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.message-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Task Statistics */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.stat-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #dee2e6;
    transition: transform 0.2s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-item.priority-high .stat-number {
    color: #dc3545;
}

/* Task Form */
.task-form {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
    transform: translateY(-1px);
}

.btn-toggle {
    background-color: #28a745;
    color: white;
    padding: 8px 12px;
    font-size: 0.9rem;
}

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

.btn-delete {
    background-color: #dc3545;
    color: white;
    padding: 8px 12px;
    font-size: 0.9rem;
}

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

/* Filter Buttons */
.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.filter-btn {
    padding: 8px 16px;
    border: 2px solid #e9ecef;
    background-color: white;
    color: #6c757d;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: #667eea;
    color: #667eea;
}

.filter-btn.active {
    background-color: #667eea;
    border-color: #667eea;
    color: white;
}

/* Tasks Section */
.tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.task-list {
    display: grid;
    gap: 15px;
}

.task-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    transition: all 0.2s ease;
    border-left: 4px solid #e9ecef;
}

.task-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.task-item.priority-high {
    border-left-color: #dc3545;
}

.task-item.priority-medium {
    border-left-color: #ffc107;
}

.task-item.priority-low {
    border-left-color: #28a745;
}

.task-item.completed {
    opacity: 0.7;
    background-color: #f8f9fa;
}

.task-item.completed .task-title {
    text-decoration: line-through;
    color: #6c757d;
}

.task-content {
    flex: 1;
    margin-right: 20px;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.task-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin: 0;
    flex: 1;
    margin-right: 15px;
}

.task-priority {
    background-color: #e9ecef;
    color: #6c757d;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
}

.task-item.priority-high .task-priority {
    background-color: #f8d7da;
    color: #721c24;
}

.task-item.priority-medium .task-priority {
    background-color: #fff3cd;
    color: #856404;
}

.task-item.priority-low .task-priority {
    background-color: #d4edda;
    color: #155724;
}

.task-description {
    color: #6c757d;
    margin: 10px 0;
    line-height: 1.5;
}

.task-meta {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.task-meta small {
    color: #6c757d;
    font-size: 0.85rem;
}

.task-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #6c757d;
}

.empty-state p {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.empty-state small {
    font-size: 1rem;
    opacity: 0.8;
}

/* Day 2 Enhanced Styles */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

/* Header Styles */
.app-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.header-content h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.user-section {
    max-width: 400px;
    margin: 0 auto;
}

.login-section {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
}

.login-section input {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

#welcomeMessage {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Messages */
.messages-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
}

.message {
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideIn 0.3s ease-out;
}

.message-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.message-error {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.message-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.message-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Main Content */
.main-content {
    padding: 2rem;
}

/* Sections */
section {
    margin-bottom: 3rem;
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid #e9ecef;
}

section h2 {
    color: #495057;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Stats Section */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.stat-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #dee2e6;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.stat-item.priority-high .stat-number {
    color: #dc3545;
}

.stat-item.overdue .stat-number {
    color: #dc3545;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Forms */
.task-form {
    display: grid;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #495057;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background-color: #667eea;
    color: white;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
    transform: translateY(-1px);
}

.btn-warning {
    background-color: #ffc107;
    color: #212529;
}

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

.btn-info {
    background-color: #17a2b8;
    color: white;
}

.btn-info:hover {
    background-color: #138496;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-toggle {
    background-color: #28a745;
    color: white;
    padding: 0.5rem;
    font-size: 1.2rem;
    min-width: 40px;
    height: 40px;
}

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

.btn-edit {
    background-color: #ffc107;
    color: #212529;
    padding: 0.5rem;
    font-size: 1.2rem;
    min-width: 40px;
    height: 40px;
}

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

.btn-delete {
    background-color: #dc3545;
    color: white;
    padding: 0.5rem;
    font-size: 1.2rem;
    min-width: 40px;
    height: 40px;
}

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

/* Search dan Filter */
.search-filter-section {
    background: #f8f9fa;
}

.search-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
}

.sort-select {
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    background: white;
    min-width: 200px;
}

.filter-groups {
    display: grid;
    gap: 2rem;
}

.filter-group h4 {
    margin-bottom: 1rem;
    color: #495057;
    font-size: 1.1rem;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 2px solid #e9ecef;
    background-color: white;
    color: #6c757d;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: #667eea;
    color: #667eea;
}

.filter-btn.active {
    background-color: #667eea;
    border-color: #667eea;
    color: white;
}

/* Tasks Section */
.tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.tasks-actions {
    display: flex;
    gap: 1rem;
}

.task-list {
    display: grid;
    gap: 1.5rem;
}

.task-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    transition: all 0.3s ease;
    border-left: 4px solid #e9ecef;
}

.task-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.task-item.priority-urgent {
    border-left-color: #dc3545;
    background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
}

.task-item.priority-high {
    border-left-color: #fd7e14;
    background: linear-gradient(135deg, #fff8f0 0%, #ffffff 100%);
}

.task-item.priority-medium {
    border-left-color: #ffc107;
    background: linear-gradient(135deg, #fffbf0 0%, #ffffff 100%);
}

.task-item.priority-low {
    border-left-color: #28a745;
    background: linear-gradient(135deg, #f0fff4 0%, #ffffff 100%);
}

.task-item.status-completed {
    opacity: 0.7;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.task-item.status-completed .task-title {
    text-decoration: line-through;
    color: #6c757d;
}

.task-item.overdue {
    border-left-color: #dc3545;
    background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
    animation: subtle-pulse 3s infinite;
}

@keyframes subtle-pulse {
    0%, 100% { box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); }
    50% { box-shadow: 0 4px 20px rgba(220, 53, 69, 0.2); }
}

.task-content {
    flex: 1;
    margin-right: 1.5rem;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.task-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin: 0;
    flex: 1;
    margin-right: 1rem;
}

.task-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.task-badges span {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-urgent {
    background-color: #f8d7da;
    color: #721c24;
}

.badge-high {
    background-color: #ffeaa7;
    color: #856404;
}

.badge-medium {
    background-color: #fff3cd;
    color: #856404;
}

.badge-low {
    background-color: #d4edda;
    color: #155724;
}

.badge-category {
    background-color: #e2e3e5;
    color: #495057;
}

.badge-status {
    background-color: #d1ecf1;
    color: #0c5460;
}

.task-description {
    color: #6c757d;
    margin: 1rem 0;
    line-height: 1.6;
}

.task-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tag {
    background-color: #f8f9fa;
    color: #495057;
    padding: 0.25rem 0.5rem;
    border-radius: 8px;
    font-size: 0.8rem;
    border: 1px solid #dee2e6;
}

.task-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.task-meta small {
    color: #6c757d;
    font-size: 0.85rem;
}

.overdue-text {
    color: #dc3545 !important;
    font-weight: 600;
}

.task-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #6c757d;
}

.empty-state p {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.empty-state small {
    font-size: 1rem;
    opacity: 0.8;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.modal-header h3 {
    margin: 0;
    color: #495057;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6c757d;
    padding: 0.5rem;
}

.modal-close:hover {
    color: #495057;
}

.modal-form {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* Footer */
.app-footer {
    background-color: #f8f9fa;
    padding: 2rem;
    text-align: center;
    color: #6c757d;
    border-top: 1px solid #e9ecef;
}

.app-footer p {
    margin: 0.5rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-container {
        margin: 0;
        border-radius: 0;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    section {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .task-item {
        flex-direction: column;
        gap: 1rem;
    }
    
    .task-content {
        margin-right: 0;
    }
    
    .task-actions {
        align-self: stretch;
        justify-content: center;
    }
    
    .tasks-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .search-controls {
        flex-direction: column;
    }
    
    .login-section {
        flex-direction: column;
    }
    
    .quick-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .header-content h1 {
        font-size: 2rem;
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .task-badges {
        justify-content: flex-start;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
}