/**
 * Sistema de Atendimento - Estilos Responsivos
 * Design mobile-first com experiência de aplicativo
 * 
 * @package Sistema_Atendimento
 * @version 1.0.0
 */

/* =====================================================
   Breakpoints:
   - xs: 0 - 479px (Mobile pequeno)
   - sm: 480px - 639px (Mobile)
   - md: 640px - 767px (Tablet pequeno)
   - lg: 768px - 1023px (Tablet)
   - xl: 1024px - 1279px (Desktop pequeno)
   - 2xl: 1280px+ (Desktop grande)
   ===================================================== */

/* =====================================================
   Desktop Grande (1280px+)
   ===================================================== */
@media (min-width: 1280px) {
    .sa-logo {
        height: 95px;
        max-width: 420px;
    }
    
    .sa-features-grid {
        gap: var(--sa-space-xl);
    }
    
    .sa-feature-card {
        padding: var(--sa-space-2xl);
    }
    
    .sa-feature-icon {
        width: 72px;
        height: 72px;
    }
    
    .sa-feature-icon i {
        font-size: 2rem;
    }
    
    .sa-feature-title {
        font-size: 1.25rem;
    }
    
    .sa-feature-description {
        font-size: 1rem;
    }
    
    .sa-timeline-card {
        padding: var(--sa-space-2xl);
    }
}

/* =====================================================
   Desktop Pequeno (1024px - 1279px)
   ===================================================== */
@media (max-width: 1279px) {
    .sa-header-content,
    .sa-features-container,
    .sa-announcements-container,
    .sa-footer-content {
        max-width: 900px;
    }
}

/* =====================================================
   Tablet (768px - 1023px)
   ===================================================== */
@media (max-width: 1023px) {
    .sa-header {
        padding: var(--sa-space-lg);
    }
    
    .sa-header-content {
        padding: 0 var(--sa-space-md);
    }
    
    .sa-logo {
        height: 70px;
        max-width: 320px;
    }
    
    .sa-features-section {
        padding: var(--sa-space-2xl) var(--sa-space-md);
    }
    
    .sa-features-container {
        max-width: 100%;
        padding: 0 var(--sa-space-sm);
    }
    
    .sa-feature-card {
        padding: var(--sa-space-lg);
        gap: var(--sa-space-md);
    }
    
    .sa-feature-icon {
        width: 56px;
        height: 56px;
    }
    
    .sa-feature-icon i {
        font-size: 1.5rem;
    }
    
    .sa-feature-description {
        font-size: 0.9375rem;
    }
    
    .sa-announcements-section {
        padding: var(--sa-space-2xl) var(--sa-space-md);
    }
    
    .sa-announcements-container {
        max-width: 100%;
    }
    
    .sa-footer-content {
        max-width: 100%;
    }
}

/* =====================================================
   Tablet Pequeno (640px - 767px)
   ===================================================== */
@media (max-width: 767px) {
    :root {
        --sa-space-lg: 1.25rem;
        --sa-space-xl: 1.5rem;
        --sa-space-2xl: 2rem;
        --sa-space-3xl: 2.5rem;
    }
    
    /* v19.0.0 - Logotipo Mobile (+50% = 66px) */
    .sa-logo-mobile-link {
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }
    
    .sa-logo-mobile {
        width: 66px;
        height: 66px;
        min-width: 66px;
        display: block;
    }
    
    /* v19.0.0 - Ocultar logotipo central no mobile */
    .sa-logo-wrapper {
        display: none;
    }
    
    /* v19.0.0 - Ajustar header-left para incluir logo mobile */
    .sa-header-left {
        display: flex;
        align-items: center;
        gap: calc(var(--sa-space-sm) + 25px);
        flex: 1;
    }
    
    /* v19.0.0 - Ajustar header-right para ocupar apenas o necessário */
    .sa-header-right {
        flex: 0 0 auto;
        min-width: auto;
        margin-left: var(--sa-space-sm);
    }
    
    /* v19.0.0 - Garantir alinhamento do header */
    .sa-header-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
    }
    
    /* v19.0.0 - Breadcrumbs com largura total no mobile */
    .sa-breadcrumb {
        flex: 1;
    }
    
    .sa-breadcrumb-current {
        white-space: normal;
        word-break: break-word;
    }
    
    /* v19.0.0 - Ocultar ícones dos cards de menu */
    .sa-feature-icon {
        display: none;
    }
    
    .sa-header {
        padding: var(--sa-space-lg) var(--sa-space-md);
    }
    
    .sa-features-section {
        padding: var(--sa-space-xl) var(--sa-space-md);
    }
    
    .sa-features-grid {
        grid-template-columns: 1fr;
        gap: var(--sa-space-md);
    }
    
    /* v19.0.0 - Cards de menu otimizados para mobile */
    .sa-feature-card {
        padding: var(--sa-space-xl) var(--sa-space-lg);
        min-height: 115px;
        border-radius: var(--sa-radius-md);
    }
    
    /* v19.0.0 - Ocultar data/horário no footer do comunicado */
    .sa-announcement-date {
        display: none;
    }
    
    /* v19.0.0 - Banner de reuniões: mais padding e ícone menor */
    .sa-meeting-banner {
        padding: var(--sa-space-2xl) var(--sa-space-xl);
    }
    
    .sa-meeting-banner-icon,
    .sa-meeting-banner-icon-empty {
        width: 52px;
        height: 52px;
        min-width: 52px;
    }
    
    .sa-meeting-banner-icon i,
    .sa-meeting-banner-icon-empty i {
        font-size: 1.4rem;
    }
    
    .sa-feature-title {
        font-size: 1rem;
    }
    
    .sa-feature-description {
        font-size: 0.8125rem;
    }
    
    .sa-feature-arrow {
        width: 36px;
        height: 36px;
    }
    
    .sa-announcements-section {
        padding: var(--sa-space-xl) var(--sa-space-md);
    }
    
    .sa-announcements-header {
        margin-bottom: var(--sa-space-xl);
    }
    
    .sa-announcements-title h2 {
        font-size: 1.25rem;
    }
    
    .sa-timeline-item {
        gap: var(--sa-space-md);
        padding-bottom: var(--sa-space-lg);
    }
    
    .sa-timeline-dot {
        width: 40px;
        height: 40px;
    }
    
    .sa-timeline-dot i {
        font-size: 1.125rem;
    }
    
    .sa-timeline-line {
        top: 44px;
    }
    
    .sa-timeline-card {
        padding: var(--sa-space-lg);
        border-radius: var(--sa-radius-md);
    }
    
    .sa-timeline-title {
        font-size: 1rem;
    }
    
    .sa-timeline-body {
        font-size: 0.875rem;
    }
    
    .sa-empty-state {
        padding: var(--sa-space-2xl) var(--sa-space-lg);
    }
    
    .sa-empty-icon {
        width: 64px;
        height: 64px;
    }
    
    .sa-empty-icon i {
        font-size: 2rem;
    }
    
    .sa-footer {
        padding: calc(var(--sa-space-lg) + 20px) var(--sa-space-lg);
    }
    
    /* v19.0.0 - Labels mobile/desktop para botões */
    .sa-label-desktop {
        display: none;
    }
    
    .sa-label-mobile {
        display: inline;
    }
    
    /* v20.0.0 - Botão de notificação no mobile */
    .sa-btn-mark-notification-read .sa-label-desktop {
        display: none;
    }
    
    .sa-btn-mark-notification-read .sa-label-mobile {
        display: inline;
    }
    
    .sa-btn-mark-notification-read {
        padding: 5px 10px;
        font-size: 0.6875rem;
    }
}

/* =====================================================
   Mobile (480px - 639px)
   ===================================================== */
@media (max-width: 639px) {
    .sa-container {
        font-size: 14px;
    }
    
    .sa-header {
        padding: var(--sa-space-md);
    }
    
    /* v19.0.0 - Logotipo mobile (+50% = 60px) */
    .sa-logo-mobile {
        width: 60px;
        height: 60px;
        min-width: 60px;
    }
    
    /* v19.0.0 - Header ajustes para telas menores */
    .sa-header-left {
        gap: calc(var(--sa-space-sm) + 20px);
    }
    
    .sa-features-section {
        padding: var(--sa-space-lg) var(--sa-space-md);
    }
    
    /* v19.0.0 - Cards de menu com mais padding */
    .sa-feature-card {
        padding: var(--sa-space-lg) var(--sa-space-md);
        min-height: 105px;
        gap: var(--sa-space-md);
        border-radius: var(--sa-radius);
    }
    
    /* v19.0.0 - Ocultar ícones nos cards de menu no mobile */
    .sa-feature-icon {
        display: none;
    }
    
    /* v19.0.0 - Empilhar botões de ações em tickets */
    .sa-ticket-actions {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: var(--sa-space-sm);
        width: 100%;
    }
    
    .sa-ticket-actions button,
    .sa-ticket-actions .sa-ticket-cancel-btn,
    .sa-ticket-actions .sa-ticket-edit-btn,
    .sa-ticket-actions .sa-ticket-view-btn,
    .sa-ticket-actions .sa-ticket-view-wrapper,
    .sa-ticket-actions .sa-ticket-delete-btn,
    .sa-ticket-actions .sa-ticket-action-btn {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
        display: flex;
        justify-content: center;
        text-align: center;
    }
    
    .sa-ticket-view-wrapper {
        width: 100% !important;
    }
    
    .sa-ticket-view-wrapper .sa-ticket-view-btn {
        width: 100% !important;
        justify-content: center;
    }
    
    /* v19.0.0 - Empilhar botões de ações em arquivos */
    .sa-files-header-right {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: var(--sa-space-sm);
        width: 100%;
    }
    
    .sa-files-header-right .sa-btn {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
    
    .sa-files-header {
        flex-direction: column;
        gap: var(--sa-space-md);
    }
    
    /* v19.0.0 - Ocultar data/horário no footer do comunicado */
    .sa-announcement-date {
        display: none;
    }
    
    /* v19.0.0 - Banner de reuniões: mais padding e ícone menor */
    .sa-meeting-banner {
        padding: var(--sa-space-xl) var(--sa-space-lg);
    }
    
    .sa-meeting-banner-icon,
    .sa-meeting-banner-icon-empty {
        width: 50px;
        height: 50px;
        min-width: 50px;
    }
    
    .sa-meeting-banner-icon i,
    .sa-meeting-banner-icon-empty i {
        font-size: 1.35rem;
    }
    
    /* Mobile: experiência de aplicativo */
    .sa-feature-card:hover {
        transform: none;
    }
    
    .sa-feature-card:active {
        transform: scale(0.98);
        background: var(--sa-bg-hover);
    }
    
    /* v19.0.0 - Ocultar ícones nos cards de menu no mobile */
    .sa-feature-icon {
        display: none;
    }
    
    .sa-feature-badge {
        top: var(--sa-space-sm);
        right: var(--sa-space-sm);
        min-width: 22px;
        height: 22px;
        font-size: 0.6875rem;
    }
    
    .sa-feature-arrow {
        width: 32px;
        height: 32px;
        border-radius: var(--sa-radius-sm);
    }
    
    .sa-feature-arrow i {
        font-size: 1rem;
    }
    
    .sa-feature-card:hover .sa-feature-arrow {
        transform: none;
        background: var(--sa-light-200);
    }
    
    .sa-feature-card:active .sa-feature-arrow {
        background: var(--sa-accent);
    }
    
    .sa-feature-card:active .sa-feature-arrow i {
        color: var(--sa-text-inverse);
    }
    
    .sa-announcements-section {
        padding: var(--sa-space-lg) var(--sa-space-md);
    }
    
    .sa-announcements-title {
        flex-direction: column;
        gap: var(--sa-space-sm);
    }
    
    .sa-announcements-title i {
        font-size: 1.5rem;
    }
    
    .sa-announcements-title h2 {
        font-size: 1.125rem;
    }
    
    .sa-announcements-subtitle {
        font-size: 0.8125rem;
    }
    
    .sa-timeline-item {
        gap: var(--sa-space-sm);
    }
    
    .sa-timeline-dot {
        width: 36px;
        height: 36px;
        border-radius: var(--sa-radius-sm);
    }
    
    .sa-timeline-dot i {
        font-size: 1rem;
    }
    
    .sa-timeline-line {
        top: 40px;
    }
    
    .sa-timeline-card {
        padding: var(--sa-space-md);
        border-radius: var(--sa-radius);
    }
    
    .sa-timeline-item:hover .sa-timeline-card {
        transform: none;
    }
    
    .sa-timeline-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--sa-space-sm);
    }
    
    .sa-timeline-badge {
        padding: 3px 8px;
        font-size: 0.625rem;
    }
    
    .sa-timeline-time {
        font-size: 0.75rem;
    }
    
    .sa-timeline-title {
        font-size: 0.9375rem;
    }
    
    .sa-timeline-body {
        font-size: 0.8125rem;
        margin-bottom: var(--sa-space-md);
    }
    
    .sa-timeline-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--sa-space-sm);
        padding-top: var(--sa-space-sm);
    }
    
    .sa-timeline-avatar {
        width: 28px;
        height: 28px;
    }
    
    .sa-timeline-author span {
        font-size: 0.8125rem;
    }
    
    .sa-timeline-date {
        font-size: 0.75rem;
    }
    
    .sa-empty-state {
        padding: var(--sa-space-xl) var(--sa-space-md);
        border-radius: var(--sa-radius);
    }
    
    .sa-empty-icon {
        width: 56px;
        height: 56px;
        margin-bottom: var(--sa-space-md);
    }
    
    .sa-empty-icon i {
        font-size: 1.75rem;
    }
    
    .sa-empty-state h3 {
        font-size: 1rem;
    }
    
    .sa-footer {
        padding: calc(var(--sa-space-lg) + 20px) var(--sa-space-lg);
    }
    
    .sa-footer p {
        font-size: 0.75rem;
        line-height: 1.7;
    }
    
    .sa-footer-developer {
        margin-top: var(--sa-space-sm);
        padding-top: var(--sa-space-sm);
    }
    
    /* v19.0.0 - Labels mobile/desktop */
    .sa-label-desktop {
        display: none;
    }
    
    .sa-label-mobile {
        display: inline;
    }
    
    /* v20.0.0 - Botão de notificação no mobile */
    .sa-btn-mark-notification-read .sa-label-desktop {
        display: none;
    }
    
    .sa-btn-mark-notification-read .sa-label-mobile {
        display: inline;
    }
    
    .sa-btn-mark-notification-read {
        padding: 5px 10px;
        font-size: 0.6875rem;
    }
    
    /* Botões mobile */
    .sa-btn {
        padding: var(--sa-space-sm) var(--sa-space-lg);
        font-size: 0.875rem;
    }
    
    .sa-btn:hover {
        transform: none;
    }
    
    .sa-btn:active {
        transform: scale(0.98);
    }
}

/* =====================================================
   Mobile Pequeno (< 480px)
   ===================================================== */
@media (max-width: 479px) {
    :root {
        --sa-space-md: 0.875rem;
        --sa-space-lg: 1rem;
        --sa-space-xl: 1.25rem;
        --sa-space-2xl: 1.5rem;
        --sa-space-3xl: 2rem;
    }
    
    .sa-container {
        font-size: 13px;
    }
    
    .sa-header {
        padding: var(--sa-space-sm) var(--sa-space-sm);
    }
    
    /* v19.0.0 - Logotipo mobile (+50% = 48px) */
    .sa-logo-mobile {
        width: 48px;
        height: 48px;
        min-width: 48px;
    }
    
    /* v19.0.0 - Header ajustes para telas muito pequenas */
    .sa-header-left {
        gap: calc(var(--sa-space-xs) + 15px);
    }
    
    .sa-features-section {
        padding: var(--sa-space-md) var(--sa-space-sm);
    }
    
    /* v19.0.0 - Cards de menu compactos mas confortáveis */
    .sa-feature-card {
        padding: var(--sa-space-lg) var(--sa-space-md);
        min-height: 95px;
    }
    
    /* v19.0.0 - Ocultar ícones nos cards de menu */
    .sa-feature-icon {
        display: none;
    }
    
    .sa-features-grid {
        gap: var(--sa-space-sm);
    }
    
    /* v19.0.0 - Banner de reuniões: mais padding e ícone menor */
    .sa-meeting-banner {
        padding: var(--sa-space-xl) var(--sa-space-lg);
    }
    
    .sa-meeting-banner-icon,
    .sa-meeting-banner-icon-empty {
        width: 48px;
        height: 48px;
        min-width: 48px;
    }
    
    .sa-meeting-banner-icon i,
    .sa-meeting-banner-icon-empty i {
        font-size: 1.3rem;
    }
    
    /* v19.0.0 - Ocultar data/horário no footer do comunicado */
    .sa-announcement-date {
        display: none;
    }
    
    /* v19.0.0 - Empilhar botões de ações em tickets */
    .sa-ticket-actions {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: var(--sa-space-sm);
        width: 100%;
    }
    
    .sa-ticket-actions button,
    .sa-ticket-actions .sa-ticket-cancel-btn,
    .sa-ticket-actions .sa-ticket-edit-btn,
    .sa-ticket-actions .sa-ticket-view-btn,
    .sa-ticket-view-wrapper,
    .sa-ticket-view-wrapper .sa-ticket-view-btn,
    .sa-ticket-actions .sa-ticket-delete-btn,
    .sa-ticket-actions .sa-ticket-action-btn {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
        display: flex;
        justify-content: center;
        text-align: center;
    }
    
    /* v19.0.0 - Empilhar botões de ações em arquivos */
    .sa-files-header-right {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: var(--sa-space-sm);
        width: 100%;
    }
    
    .sa-files-header-right .sa-btn {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
        justify-content: center;
        text-align: center;
    }
    
    .sa-files-header {
        flex-direction: column;
        gap: var(--sa-space-md);
    }
    
    .sa-feature-title {
        font-size: 0.9375rem;
    }
    
    .sa-feature-description {
        font-size: 0.75rem;
        line-height: 1.4;
    }
    
    .sa-feature-badge {
        min-width: 20px;
        height: 20px;
        padding: 0 var(--sa-space-xs);
        font-size: 0.625rem;
    }
    
    .sa-feature-arrow {
        width: 28px;
        height: 28px;
    }
    
    .sa-feature-arrow i {
        font-size: 0.875rem;
    }
    
    .sa-announcements-section {
        padding: var(--sa-space-md) var(--sa-space-sm);
    }
    
    .sa-announcements-header {
        margin-bottom: var(--sa-space-md);
    }
    
    .sa-announcements-title i {
        font-size: 1.25rem;
        padding: 6px;
    }
    
    .sa-announcements-title h2 {
        font-size: 1rem;
    }
    
    .sa-announcements-subtitle {
        font-size: 0.75rem;
    }
    
    .sa-timeline-item {
        padding-bottom: var(--sa-space-md);
    }
    
    .sa-timeline-dot {
        width: 32px;
        height: 32px;
    }
    
    .sa-timeline-dot i {
        font-size: 0.875rem;
    }
    
    .sa-timeline-line {
        top: 36px;
    }
    
    .sa-timeline-card {
        padding: var(--sa-space-sm);
    }
    
    .sa-timeline-badge {
        padding: 2px 6px;
        font-size: 0.5625rem;
    }
    
    .sa-timeline-time {
        font-size: 0.6875rem;
    }
    
    .sa-timeline-title {
        font-size: 0.875rem;
        margin-bottom: var(--sa-space-sm);
    }
    
    .sa-timeline-body {
        font-size: 0.75rem;
        line-height: 1.5;
        margin-bottom: var(--sa-space-sm);
    }
    
    .sa-timeline-avatar {
        width: 24px;
        height: 24px;
    }
    
    .sa-timeline-author span {
        font-size: 0.75rem;
    }
    
    .sa-timeline-date {
        font-size: 0.6875rem;
    }
    
    .sa-empty-state {
        padding: var(--sa-space-lg) var(--sa-space-md);
    }
    
    .sa-empty-icon {
        width: 48px;
        height: 48px;
    }
    
    .sa-empty-icon i {
        font-size: 1.5rem;
    }
    
    .sa-empty-state h3 {
        font-size: 0.9375rem;
    }
    
    .sa-footer {
        padding: calc(var(--sa-space-md) + 20px) var(--sa-space-md);
    }
    
    .sa-footer p {
        font-size: 0.6875rem;
        line-height: 1.6;
    }
    
    .sa-footer-developer {
        margin-top: var(--sa-space-sm);
        padding-top: var(--sa-space-sm);
    }
    
    /* v19.0.0 - Labels mobile/desktop */
    .sa-label-desktop {
        display: none;
    }
    
    .sa-label-mobile {
        display: inline;
    }
    
    /* v20.0.0 - Botão de notificação no mobile */
    .sa-btn-mark-notification-read .sa-label-desktop {
        display: none;
    }
    
    .sa-btn-mark-notification-read .sa-label-mobile {
        display: inline;
    }
    
    .sa-btn-mark-notification-read {
        padding: 5px 8px;
        font-size: 0.625rem;
    }
    
    /* Login Required - Mobile */
    .sa-login-required {
        padding: var(--sa-space-md);
    }
    
    .sa-login-card {
        padding: var(--sa-space-xl) var(--sa-space-lg);
    }
    
    .sa-login-icon {
        width: 64px;
        height: 64px;
    }
    
    .sa-login-icon i {
        font-size: 2rem;
    }
    
    .sa-login-card h2 {
        font-size: 1.375rem;
    }
    
    .sa-login-card p {
        font-size: 0.875rem;
    }
}

/* =====================================================
   Touch Device Optimizations
   ===================================================== */
@media (hover: none) and (pointer: coarse) {
    /* Remover hover effects em touch devices */
    .sa-feature-card:hover {
        transform: none;
        box-shadow: var(--sa-shadow-sm);
        border-color: var(--sa-border);
    }
    
    .sa-feature-card:hover::before {
        opacity: 0;
    }
    
    .sa-feature-card:hover .sa-feature-icon {
        background: linear-gradient(135deg, var(--sa-light-200), var(--sa-light-100));
        transform: none;
    }
    
    .sa-feature-card:hover .sa-feature-icon i {
        color: var(--sa-primary);
    }
    
    .sa-feature-card:hover .sa-feature-arrow {
        background: var(--sa-light-200);
        transform: none;
    }
    
    .sa-feature-card:hover .sa-feature-arrow i {
        color: var(--sa-text-muted);
    }
    
    .sa-timeline-item:hover .sa-timeline-dot {
        transform: none;
        box-shadow: none;
    }
    
    .sa-timeline-item:hover .sa-timeline-card {
        box-shadow: var(--sa-shadow-sm);
        border-color: var(--sa-border);
        transform: none;
    }
    
    /* Active states para feedback táctil */
    .sa-feature-card:active {
        transform: scale(0.98);
        background: var(--sa-bg-hover);
    }
    
    .sa-feature-card:active::before {
        opacity: 1;
    }
    
    .sa-feature-card:active .sa-feature-icon {
        background: linear-gradient(135deg, var(--sa-primary), var(--sa-primary-light));
    }
    
    .sa-feature-card:active .sa-feature-icon i {
        color: var(--sa-text-inverse);
    }
    
    .sa-feature-card:active .sa-feature-arrow {
        background: var(--sa-accent);
    }
    
    .sa-feature-card:active .sa-feature-arrow i {
        color: var(--sa-text-inverse);
    }
    
    .sa-timeline-card:active {
        background: var(--sa-bg-hover);
    }
    
    .sa-btn:hover {
        transform: none;
    }
    
    .sa-btn:active {
        transform: scale(0.98);
    }
}

/* =====================================================
   Landscape Mobile Orientation
   ===================================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .sa-header {
        padding: var(--sa-space-sm) var(--sa-space-md);
    }
    
    .sa-logo-wrapper {
        padding: var(--sa-space-xs) 0;
    }
    
    .sa-logo {
        height: 36px;
    }
    
    .sa-features-section,
    .sa-announcements-section {
        padding: var(--sa-space-md);
    }
    
    .sa-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sa-space-sm);
    }
    
    .sa-feature-card {
        padding: var(--sa-space-sm);
    }
    
    .sa-feature-icon {
        width: 40px;
        height: 40px;
    }
    
    .sa-feature-title {
        font-size: 0.875rem;
    }
    
    .sa-feature-description {
        display: none;
    }
}

/* =====================================================
   High DPI / Retina Displays
   ===================================================== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .sa-container {
        -webkit-font-smoothing: subpixel-antialiased;
    }
}

/* =====================================================
   Reduced Motion
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    .sa-container *,
    .sa-container *::before,
    .sa-container *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .sa-feature-badge {
        animation: none;
    }
}

/* =====================================================
   Print Optimizations
   ===================================================== */
@media print {
    .sa-container {
        font-size: 12pt;
    }
    
    .sa-header {
        background: var(--sa-primary) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .sa-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sa-feature-card,
    .sa-timeline-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .sa-feature-arrow,
    .sa-feature-badge {
        display: none;
    }
    
    .sa-timeline-line {
        display: none;
    }
    
    .sa-footer {
        background: var(--sa-primary) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* =====================================================
   v16.0.0 - Responsividade Modal Preferências
   ===================================================== */

/* Mobile (até 640px) */
@media (max-width: 640px) {
    .sa-modal-preferences .sa-modal-body {
        max-height: 55vh;
    }
    
    .sa-preferences-content {
        padding: var(--sa-space-md);
    }
    
    .sa-preferences-intro {
        padding: var(--sa-space-sm) var(--sa-space-md);
    }
    
    .sa-preferences-quick-actions {
        flex-direction: column;
    }
    
    .sa-preferences-category-header {
        flex-direction: column;
        gap: var(--sa-space-sm);
    }
    
    .sa-preferences-category-icon {
        width: 40px;
        height: 40px;
    }
    
    .sa-preferences-category-icon i {
        font-size: 1.25rem;
    }
    
    .sa-preferences-item {
        padding: var(--sa-space-sm) var(--sa-space-md);
        flex-wrap: wrap;
        gap: var(--sa-space-sm);
    }
    
    .sa-preferences-item-info {
        width: 100%;
        padding-right: 0;
        flex: none;
    }
    
    .sa-preferences-item-title {
        font-size: 0.875rem;
    }
    
    .sa-preferences-item-desc {
        font-size: 0.75rem;
    }
    
    .sa-switch {
        width: 48px;
        height: 26px;
    }
    
    .sa-switch-slider::before {
        height: 20px;
        width: 20px;
    }
    
    .sa-switch input:checked + .sa-switch-slider::before {
        transform: translateX(22px);
    }
}

/* Tablet (640px - 1024px) */
@media (min-width: 641px) and (max-width: 1023px) {
    .sa-preferences-category-header {
        gap: var(--sa-space-md);
    }
    
    .sa-preferences-item {
        padding: var(--sa-space-md);
    }
}

/* =====================================================
   v17.0.0 - Responsividade Banner de Reuniões
   ===================================================== */

/* Mobile (até 640px) */
@media (max-width: 640px) {
    .sa-meeting-banner-section {
        padding: var(--sa-space-md) var(--sa-space-md) 0;
    }
    
    .sa-meeting-banner {
        flex-direction: column;
        gap: var(--sa-space-md);
        padding: var(--sa-space-lg);
        text-align: center;
    }
    
    .sa-meeting-banner-icon {
        width: 56px;
        height: 56px;
    }
    
    .sa-meeting-banner-icon i {
        font-size: 1.5rem;
    }
    
    .sa-meeting-banner-title {
        justify-content: center;
        font-size: 0.9375rem;
    }
    
    .sa-meeting-banner-title i {
        display: none;
    }
    
    .sa-meeting-banner-action {
        justify-content: center;
    }
    
    .sa-meeting-banner-link {
        width: 100%;
        justify-content: center;
        padding: var(--sa-space-md);
    }
    
    .sa-meeting-banner-waiting {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
        font-size: 0.875rem;
    }
    
    .sa-meeting-banner-no-meeting {
        padding: var(--sa-space-md);
    }
    
    .sa-meeting-banner-no-meeting .sa-meeting-banner-icon {
        width: 48px;
        height: 48px;
    }
    
    .sa-meeting-banner-no-meeting .sa-meeting-banner-icon i {
        font-size: 1.25rem;
    }
    
    .sa-meeting-banner-empty {
        font-size: 0.875rem;
    }
}

/* Tablet (641px - 1023px) */
@media (min-width: 641px) and (max-width: 1023px) {
    .sa-meeting-banner {
        padding: var(--sa-space-lg) var(--sa-space-xl);
        gap: var(--sa-space-lg);
    }
    
    .sa-meeting-banner-icon {
        width: 60px;
        height: 60px;
    }
    
    .sa-meeting-banner-icon i {
        font-size: 1.75rem;
    }
    
    .sa-meeting-banner-title {
        font-size: 1rem;
    }
}

/* =====================================================
   Dark Mode Support (se necessário no futuro)
   ===================================================== */
@media (prefers-color-scheme: dark) {
    /* Manter o tema claro por padrão conforme solicitado */
    /* Esta seção está preparada para futuras implementações */
}