/* =====================================================
   CONTADOR-RADAR - ESTILOS RESPONSIVOS
   Media queries para mobile, tablet e desktop
   ===================================================== */

/* Breakpoints */
/* 
   xs: 0px - 575px (Mobile)
   sm: 576px - 767px (Mobile Large)
   md: 768px - 991px (Tablet)
   lg: 992px - 1199px (Desktop)
   xl: 1200px+ (Desktop Large)
*/

/* Mobile First - Base styles já são mobile */

/* Small Mobile (até 480px) */
@media (max-width: 480px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-16: 2rem;
        --spacing-20: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-3);
    }
    
    /* Header Mobile */
    .navbar .container {
        padding: 0 var(--spacing-3);
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        transition: top var(--transition-normal);
        z-index: var(--z-dropdown);
    }
    
    .nav-menu.active {
        top: 70px;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-4);
        gap: 0;
    }
    
    .nav-item {
        border-bottom: 1px solid var(--gray-100);
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-4) 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-actions {
        gap: var(--spacing-2);
    }
    
    .auth-buttons {
        gap: var(--spacing-2);
    }
    
    .btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    /* Hero Mobile */
    .hero {
        padding: var(--spacing-12) 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .btn-large {
        padding: var(--spacing-3) var(--spacing-6);
        font-size: var(--font-size-sm);
        width: 100%;
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: center;
    }
    
    .dashboard-preview {
        max-width: 280px;
        transform: none;
    }
    
    /* Sections Mobile */
    .section {
        padding: var(--spacing-8) 0;
    }
    
    .section-header {
        flex-direction: column;
        gap: var(--spacing-4);
        align-items: flex-start;
    }
    
    .section-actions {
        width: 100%;
        justify-content: stretch;
    }
    
    .section-filters {
        flex-direction: column;
        width: 100%;
    }
    
    /* Dashboard Mobile */
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    /* Radar Mobile */
    .radar-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .radar-chart-container {
        order: 2;
    }
    
    .radar-details {
        order: 1;
    }
    
    /* Simulador Mobile */
    .simulator-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .regime-comparison {
        grid-template-columns: 1fr;
    }
    
    /* Metas Mobile */
    .goals-container {
        grid-template-columns: 1fr;
    }
    
    .goal-values {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }
    
    /* Premium Mobile */
    .premium-features {
        grid-template-columns: 1fr;
    }
    
    .premium-pricing {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card {
        width: 100%;
        max-width: 300px;
    }
    
    .pricing-card.featured {
        transform: none;
        order: -1;
    }
    
    /* Chat Mobile */
    .ai-chat-widget {
        bottom: var(--spacing-4);
        right: var(--spacing-4);
    }
    
    .chat-window {
        width: calc(100vw - 2rem);
        right: -1rem;
        bottom: 60px;
        height: 350px;
    }
    
    .chat-toggle {
        padding: var(--spacing-3);
    }
    
    .chat-text {
        display: none;
    }
    
    /* Modal Mobile */
    .modal {
        width: 95%;
        margin: var(--spacing-4);
    }
    
    .modal-header,
    .modal-body {
        padding: var(--spacing-4);
    }
    
    /* Forms Mobile */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Stats Mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-3);
    }
    
    /* Table Mobile */
    .table-container {
        overflow-x: auto;
    }
    
    .table {
        min-width: 600px;
    }
}

/* Mobile Large (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }
    
    .btn-large {
        width: auto;
    }
    
    .dashboard-preview {
        max-width: 350px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .regime-comparison {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .premium-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chat-window {
        width: 350px;
        right: 0;
    }
    
    .chat-text {
        display: inline;
    }
}

/* Tablet (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        background: none;
        border: none;
        box-shadow: none;
    }
    
    .nav-list {
        flex-direction: row;
        padding: 0;
        gap: var(--spacing-6);
    }
    
    .nav-item {
        border: none;
    }
    
    .nav-link {
        padding: var(--spacing-2) 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    
    .hero-features {
        flex-direction: row;
    }
    
    .section-header {
        flex-direction: row;
        align-items: center;
    }
    
    .section-filters {
        flex-direction: row;
        width: auto;
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .radar-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .radar-chart-container {
        order: 1;
    }
    
    .radar-details {
        order: 2;
    }
    
    .simulator-container {
        grid-template-columns: 1fr 2fr;
    }
    
    .regime-comparison {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .goals-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .premium-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .premium-pricing {
        flex-direction: row;
    }
    
    .pricing-card.featured {
        transform: scale(1.05);
        order: 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .dashboard-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .regime-comparison {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .goals-container {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .premium-features {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Desktop Large (1200px+) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-8) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section {
        padding: var(--spacing-6) 0;
    }
    
    .chat-window {
        height: 250px;
    }
    
    .modal {
        max-height: 80vh;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print Styles */
@media print {
    .header,
    .ai-chat-widget,
    .modal-overlay,
    .toast-container {
        display: none !important;
    }
    
    .section {
        page-break-inside: avoid;
        padding: var(--spacing-4) 0;
    }
    
    .card,
    .dashboard-card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    body {
        background-color: white;
    }
    
    .btn {
        border: 1px solid var(--gray-400);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .loading-spinner {
        animation: none;
        border: 4px solid var(--gray-200);
        border-top: 4px solid var(--primary-color);
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --gray-50: #1f2937;
        --gray-100: #374151;
        --gray-200: #4b5563;
        --gray-300: #6b7280;
        --gray-400: #9ca3af;
        --gray-500: #d1d5db;
        --gray-600: #e5e7eb;
        --gray-700: #f3f4f6;
        --gray-800: #f9fafb;
        --gray-900: #ffffff;
    }
    
    body {
        background-color: var(--gray-50);
        color: var(--gray-800);
    }
    
    .header {
        background-color: var(--gray-100);
        border-bottom-color: var(--gray-200);
    }
    
    .card,
    .dashboard-card,
    .modal {
        background-color: var(--gray-100);
        border-color: var(--gray-200);
    }
    
    .form-input,
    .select-input {
        background-color: var(--gray-100);
        border-color: var(--gray-200);
        color: var(--gray-800);
    }
    
    .form-input::placeholder {
        color: var(--gray-400);
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .dropdown-item,
    .alert-btn,
    .table-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .user-avatar {
        width: 44px;
        height: 44px;
    }
    
    .chat-toggle {
        min-height: 56px;
        min-width: 56px;
    }
    
    .form-input,
    .select-input {
        min-height: 44px;
    }
    
    /* Remove hover effects on touch devices */
    .card:hover,
    .dashboard-card:hover,
    .stat-card:hover {
        transform: none;
        box-shadow: var(--shadow);
    }
    
    .btn:hover,
    .nav-link:hover,
    .dropdown-item:hover {
        transform: none;
    }
}

/* Accessibility Improvements */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #1e40af;
        --success-color: #059669;
        --warning-color: #d97706;
        --error-color: #dc2626;
    }
    
    .btn {
        border-width: 2px;
    }
    
    .form-input:focus,
    .select-input:focus {
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
        border-width: 2px;
    }
}

/* Focus Visible for Keyboard Navigation */
.btn:focus-visible,
.nav-link:focus-visible,
.form-input:focus-visible,
.select-input:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip to Content Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}

/* Loading States for Slow Connections */
@media (max-width: 767px) and (prefers-reduced-data: reduce) {
    .dashboard-preview {
        display: none;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .feature-icon {
        display: none;
    }
    
    .chart-canvas {
        height: 200px;
    }
}