/* assets/css/style.css - CSS para a tela de listagem de mensagens */

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --dark-color: #1f2937;
    --gray-color: #6b7280;
    --light-color: #f3f4f6;
    --transition: all 0.3s ease;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f9fafb;
    color: var(--dark-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
header {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.8;
}

.logo i {
    margin-right: 0.5rem;
    color: var(--secondary-color);
}

.search-container {
    position: relative;
    flex: 1;
    max-width: 400px;
    margin: 0 2rem;
}

.search-container input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    background-color: var(--light-color);
    transition: var(--transition);
}

.search-container input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.search-container i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-color);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-icon {
    position: relative;
    color: var(--gray-color);
    font-size: 1.25rem;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: var(--transition);
}

.nav-icon:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #5856eb;
    border-color: #5856eb;
}

.btn-outline {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: white;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

/* Main Content */
.main-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    flex: 1;
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.page-header p {
    color: var(--gray-color);
    font-size: 1.1rem;
}

/* Categories Section */
.categories-section {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.categories-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.categories-title i {
    color: var(--primary-color);
}

.categories-scroll {
    position: relative;
    overflow: hidden;
}

.categories-container {
    display: flex;
    overflow-x: auto;
    gap: 0.75rem;
    padding: 0.5rem 0;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.categories-container::-webkit-scrollbar {
    display: none;
}

.category-item {
    flex: 0 0 auto;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--light-color), #e5e7eb);
    border: 2px solid transparent;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.category-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.category-item:hover::before {
    left: 100%;
}

.category-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
    border-color: var(--primary-color);
}

.category-item.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.category-scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    border: 1px solid #e5e7eb;
    color: var(--gray-color);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: var(--shadow);
}

.category-scroll-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.category-scroll-left {
    left: -10px;
}

.category-scroll-right {
    right: -10px;
}

/* Message Grid */
.messages-section {
    margin-bottom: 2rem;
}

.messages-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.messages-count {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.view-options {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.375rem;
    background: white;
    color: var(--gray-color);
    cursor: pointer;
    transition: var(--transition);
}

.view-btn.active,
.view-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.message-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    justify-items: center;
}

.message-grid.grid-view {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.message-grid.list-view {
    grid-template-columns: 1fr;
    gap: 1rem;
}

.message-grid.compact-view {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.message-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    max-width: 400px;
    width: 100%;
    position: relative;
}

.message-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.message-card:hover::before {
    opacity: 1;
}

.message-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.message-card.list-view {
    flex-direction: row;
    max-width: none;
}

.message-card.list-view .message-img,
.message-card.list-view .message-audio,
.message-card.list-view .message-text {
    width: 200px;
    height: 120px;
    flex-shrink: 0;
}

.message-card.compact-view {
    max-width: 300px;
}

.message-card.compact-view .message-img,
.message-card.compact-view .message-audio,
.message-card.compact-view .message-text {
    height: 150px;
}

.message-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.message-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: #f3f4f6;
}

.message-audio, .message-text {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.message-audio {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.audio-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.message-text {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    padding: 1rem;
}

.message-text-content {
    text-align: center;
    font-size: 1rem;
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
}

.message-content {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.message-meta {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 0.75rem;
    object-fit: cover;
}

.message-info {
    flex: 1;
    min-width: 0;
}

.message-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-info p {
    font-size: 0.875rem;
    color: var(--gray-color);
}

.message-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.action-btns {
    display: flex;
    gap: 1rem;
}

.action-btn {
    display: flex;
    align-items: center;
    color: var(--gray-color);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    transition: var(--transition);
    border: none;
    background: none;
    cursor: pointer;
}

.action-btn:hover {
    color: var(--primary-color);
    background-color: var(--light-color);
}

.action-btn i {
    margin-right: 0.25rem;
}

.action-btn.liked {
    color: var(--danger-color);
}

.message-views {
    font-size: 0.75rem;
    color: var(--gray-color);
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 3rem 0;
}

.pagination {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.pagination-btn {
    padding: 0.75rem 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    background: white;
    color: var(--gray-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    min-width: 44px;
    text-align: center;
}

.pagination-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.pagination-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.pagination-btn:disabled:hover {
    background: white;
    color: var(--gray-color);
    border-color: #e5e7eb;
}

.pagination-info {
    color: var(--gray-color);
    font-size: 0.9rem;
    margin: 0 1rem;
}

/* Loading State */
.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    color: var(--gray-color);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e5e7eb;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Filters */
.filters-section {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    display: none;
}

.filters-section.active {
    display: block;
}

.filters-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

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

.filter-label {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.filter-select {
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    background: white;
    color: var(--dark-color);
    font-size: 0.9rem;
    transition: var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-color);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.empty-state h2 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.empty-state p {
    margin-bottom: 1.5rem;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: white;
    border-radius: 1rem;
    padding: 0;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-color);
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: var(--transition);
}

.close-btn:hover {
    background-color: var(--light-color);
}

.modal-body {
    padding: 1.5rem;
}

.share-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
}

.share-platform {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    text-decoration: none;
    color: var(--dark-color);
    transition: var(--transition);
    background: white;
    cursor: pointer;
}

.share-platform:hover {
    border-color: var(--primary-color);
    background-color: #f9fafb;
    transform: translateY(-2px);
}

.share-platform i {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.share-platform span {
    font-size: 0.875rem;
    font-weight: 500;
}

.share-platform.whatsapp:hover i {
    color: #25D366;
}

.share-platform.facebook:hover i {
    color: #1877F2;
}

.share-platform.twitter:hover i {
    color: #1DA1F2;
}

.share-platform.telegram:hover i {
    color: #0088CC;
}

.share-platform.copy:hover i {
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3, .footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: #9ca3af;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Tooltip */
.tooltip {
    position: absolute;
    background: var(--dark-color);
    color: white;
    padding: 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
    z-index: 1000;
    pointer-events: none;
    white-space: nowrap;
    opacity: 0;
    animation: tooltipFadeIn 0.2s ease forwards;
}

@keyframes tooltipFadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Smooth transitions for all interactive elements */
.category-item,
.view-btn,
.pagination-btn,
.message-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced hover effects */
.category-item:hover {
    transform: translateY(-2px) scale(1.02);
}

.view-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Improved focus states for accessibility */
.category-item:focus,
.view-btn:focus,
.pagination-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Better scrollbar styling */
.categories-container::-webkit-scrollbar {
    height: 4px;
}

.categories-container::-webkit-scrollbar-track {
    background: var(--light-color);
    border-radius: 2px;
}

.categories-container::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 2px;
}

.categories-container::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Grid animations */
.message-grid.grid-view .message-card {
    transition: all 0.3s ease;
}

.message-grid.list-view .message-card {
    transition: all 0.4s ease;
}

.message-grid.compact-view .message-card {
    transition: all 0.35s ease;
}

/* Loading state improvements */
.loading-container {
    min-height: 300px;
}

.loading-spinner {
    background: conic-gradient(var(--primary-color), var(--secondary-color), var(--primary-color));
    border: none;
    border-radius: 50%;
    animation: spin 1s linear infinite, pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Enhanced card shadows and depth */
.message-card {
    position: relative;
    overflow: hidden;
}

.message-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.message-card:hover::after {
    opacity: 1;
}

/* Improved typography */
.page-header h1 {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.categories-title {
    background: linear-gradient(135deg, var(--dark-color), var(--gray-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Better button states */
.category-scroll-btn {
    opacity: 0.7;
    transform: scale(0.9);
    transition: all 0.3s ease;
}

.category-scroll-btn:hover {
    opacity: 1;
    transform: scale(1);
}

/* Enhanced pagination */
.pagination-btn {
    position: relative;
    overflow: hidden;
}

.pagination-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.pagination-btn:hover::before {
    left: 100%;
}

/* Dark mode support (opcional) */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-color: #f9fafb;
        --light-color: #374151;
        --gray-color: #9ca3af;
    }
    
    body {
        background-color: #111827;
        color: var(--dark-color);
    }
    
    .categories-section,
    .message-card,
    .modal-content {
        background-color: #1f2937;
    }
    
    .category-item {
        background: linear-gradient(135deg, #374151, #4b5563);
    }
}

/* Print styles */
@media print {
    .categories-section,
    .pagination-container,
    .view-options,
    .category-scroll-btn {
        display: none !important;
    }
    
    .message-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1rem !important;
    }
    
    .message-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #e5e7eb;
    }
}
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .search-container {
        display: none;
    }
    
    .message-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .message-grid.grid-view {
        grid-template-columns: 1fr;
    }
    
    .message-grid.compact-view {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .message-card {
        max-width: none;
    }
    
    .categories-container {
        gap: 0.5rem;
    }
    
    .category-item {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .messages-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination-info {
        order: -1;
        text-align: center;
        margin: 0 0 1rem 0;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .page-header h1 {
        font-size: 1.75rem;
    }
    
    .main-container {
        padding: 0 0.5rem;
    }
}

@media (max-width: 480px) {
    .message-card {
        margin: 0;
    }
    
    .categories-section,
    .messages-section,
    .filters-section {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
        border-radius: 0;
    }
    
    .page-header {
        padding: 0 1rem;
    }
    
    .pagination-btn {
        padding: 0.5rem 0.75rem;
        min-width: 36px;
        font-size: 0.85rem;
    }
    
    .category-item {
        padding: 0.5rem 0.875rem;
        font-size: 0.8rem;
    }
    
    .view-options {
        display: none;
    }
}