/**
 * FormNode - Responsive Styles
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 */

/* Mobile First - Base styles (320px+) */
/* Estilos base já definidos no style.css */

/* Small Mobile (320px - 480px) */
@media (max-width: 480px) {
    .container {
        padding: calc(var(--spacing-unit) * 1.5);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .mode-selection {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 2);
    }
    
    .flow-steps {
        flex-direction: column;
        gap: 30px;
        padding-top: 20px;
    }
    
    .flow-step {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        margin: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 1.5);
    }
    
    .action-cards {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 2);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--spacing-unit));
    }
    
    .view-header {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--spacing-unit));
    }
    
    .export-options {
        grid-template-columns: 1fr;
    }
}

/* Mobile (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    .container {
        padding: calc(var(--spacing-unit) * 2);
    }
    
    .mode-selection {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 2.5);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .flow-steps {
        justify-content: space-between;
    }
    
    .flow-arrow {
        display: none;
    }
    
    .flow-step {
        max-width: 150px;
    }
}

/* Navigation Collapse Rules - Triggers before header breaks */
@media (max-width: 1023px) {
    body {
        padding-bottom: 70px !important;
    }
    .desktop-nav {
        display: none !important;
    }
    .bottom-nav {
        display: flex !important;
    }
    
    /* Ajuste do FAB para evitar colisão com a bottom-nav */
    .agent-fab {
        width: 56px !important;
        height: 56px !important;
        bottom: 90px !important;
        right: 20px !important;
        font-size: 1.4rem !important;
    }
}

/* Mobile General Rules */
@media (max-width: 767px) {
    
    .header-logo h1 {
        font-size: 1.25rem;
    }
    
    /* Touch-friendly interactions */
    .btn,
    .nav-item,
    .action-card,
    .mode-card,
    .faq-question {
        min-height: 48px;
        min-width: 48px;
    }
    
    /* Larger text inputs for mobile */
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Mobile-optimized upload area */
    .upload-area {
        padding: calc(var(--spacing-unit) * 4);
    }
    
    .upload-icon {
        font-size: 3rem;
    }
    
    /* Mobile data table */
    .data-table {
        overflow-x: auto;
    }
    
    .data-table table {
        min-width: 600px;
    }
    
    /* Mobile toast positioning */
    .toast-container {
        bottom: 90px;
        left: calc(var(--spacing-unit) * 2);
        right: calc(var(--spacing-unit) * 2);
        transform: none;
    }
    
    .toast {
        max-width: none;
        width: 100%;
    }
    
    /* Hero & Card adjustments for Mobile */
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.5rem) !important;
        margin-bottom: 16px !important;
    }
    
    .hero-subtitle {
        font-size: 1.1rem !important;
    }
    
    .hero-content {
        margin-bottom: 30px !important;
    }
    
    .mode-card {
        padding: 24px 20px !important;
        border-radius: 16px !important;
    }
    
    .mode-icon {
        width: 60px !important;
        height: 60px !important;
        margin-bottom: 16px !important;
    }
    
    .mode-icon i {
        font-size: 1.6rem !important;
    }
    
    .mode-card h3 {
        font-size: 1.3rem !important;
        margin-bottom: 8px !important;
    }
    
    .mode-card p {
        font-size: 0.95rem !important;
        margin-bottom: 20px !important;
    }
    
    .mode-selection {
        gap: 20px !important;
    }
}

/* Global Desktop/Tablet Nav Rules */
@media (min-width: 1024px) {
    .desktop-nav {
        display: flex !important;
    }
    
    .bottom-nav {
        display: none !important;
    }
    
    body {
        padding-bottom: 0 !important;
    }
}

/* Tablet Portrait (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        padding: calc(var(--spacing-unit) * 3);
        max-width: 720px;
        margin: 0 auto;
    }
    
    .mode-selection {
        grid-template-columns: repeat(2, 1fr);
        gap: calc(var(--spacing-unit) * 3);
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .action-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .flow-steps {
        flex-wrap: nowrap;
        justify-content: space-between;
    }
    
    .flow-arrow {
        display: block;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-header {
        flex-direction: row;
        align-items: center;
    }
    
    .view-header {
        flex-direction: row;
        align-items: center;
    }
    
    .form-actions {
        justify-content: flex-end;
    }
    
    .export-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop (1024px - 1439px) */
@media (min-width: 1024px) and (max-width: 1439px) {
    .container {
        max-width: 960px;
        padding: calc(var(--spacing-unit) * 4);
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .mode-selection {
        grid-template-columns: repeat(2, 1fr);
        gap: calc(var(--spacing-unit) * 4);
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: calc(var(--spacing-unit) * 3);
    }
    
    .action-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: calc(var(--spacing-unit) * 3);
    }
    
    .flow-steps {
        gap: calc(var(--spacing-unit) * 4);
    }
    
    .flow-step {
        max-width: 220px;
    }
    
    /* Desktop hover effects */
    .mode-card:hover {
        transform: translateY(-12px);
    }
    
    .action-card:hover {
        transform: translateY(-8px);
    }
    
    .stat-card:hover {
        transform: translateY(-6px);
    }
    
    /* Desktop navigation enhancements */
    .desktop-nav .nav-link {
        position: relative;
    }
    
    .desktop-nav .nav-link::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 50%;
        width: 0;
        height: 2px;
        background: var(--primary-color);
        transition: var(--transition);
        transform: translateX(-50%);
    }
    
    .desktop-nav .nav-link:hover::after,
    .desktop-nav .nav-link.active::after {
        width: 100%;
    }
}

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
    .container {
        max-width: 1200px;
        padding: calc(var(--spacing-unit) * 5);
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .hero-content {
        max-width: 700px;
    }
    
    .mode-selection {
        gap: calc(var(--spacing-unit) * 5);
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .action-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: calc(var(--spacing-unit) * 4);
    }
    
    .flow-steps {
        gap: calc(var(--spacing-unit) * 6);
    }
    
    .flow-step {
        max-width: 250px;
    }
    
    /* Enhanced spacing for large screens */
    .section {
        padding: calc(var(--spacing-unit) * 6) 0;
    }
    
    .features-overview {
        padding: calc(var(--spacing-unit) * 6);
    }
    
    .faq-container {
        max-width: 900px;
    }
}

/* Ultra-wide Screens (1920px+) */
@media (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: calc(var(--spacing-unit) * 4);
    }
    
    .action-cards {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize for retina displays */
    .mode-icon,
    .stat-icon {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    /* Sharper borders */
    .mode-card,
    .action-card,
    .stat-card {
        border-width: 0.5px;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        margin-bottom: calc(var(--spacing-unit) * 3);
    }
    
    .hero-title {
        font-size: 2.5rem;
        margin-bottom: calc(var(--spacing-unit));
    }
    
    .hero-content {
        margin-bottom: calc(var(--spacing-unit) * 2);
    }
    
    .mode-selection {
        grid-template-columns: repeat(2, 1fr);
        gap: calc(var(--spacing-unit) * 2);
    }
    
    .features-overview {
        padding: calc(var(--spacing-unit) * 2);
    }
    
    .flow-steps {
        flex-direction: row;
        gap: calc(var(--spacing-unit) * 2);
    }
    
    .flow-arrow {
        transform: none;
        margin: 0 calc(var(--spacing-unit));
    }
}

/* Print Styles */
@media print {
    .app-header,
    .bottom-nav,
    .btn,
    .action-cards,
    .toast-container {
        display: none !important;
    }
    
    body {
        padding-top: 0;
        padding-bottom: 0;
        background: white;
        color: black;
    }
    
    .section {
        display: block !important;
        page-break-inside: avoid;
    }
    
    .mode-card,
    .stat-card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
    
    .hero-title {
        color: black;
        background: none;
        -webkit-text-fill-color: initial;
    }
}

/* 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;
    }
    
    .skeleton {
        animation: none;
        background: var(--accent-color);
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --secondary-color: #ffffff;
        --accent-color: #cccccc;
        --text-color: #000000;
        --bg-color: #ffffff;
    }
    
    .mode-card,
    .action-card,
    .stat-card {
        border-width: 2px;
        border-color: #000000;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Dark Mode Responsive Adjustments */
@media (prefers-color-scheme: dark) {
    @media (max-width: 767px) {
        .bottom-nav {
            background: rgba(0, 0, 0, 0.9);
            backdrop-filter: blur(20px);
        }
        
        .app-header {
            background: rgba(0, 0, 0, 0.9);
            backdrop-filter: blur(20px);
        }
    }
    
    .upload-area:hover,
    .upload-area.dragover {
        background: color-mix(in srgb, var(--primary-color) 10%, var(--surface-color));
    }
    
    .toast {
        box-shadow: 0 8px 32px rgba(255, 255, 255, 0.1);
    }
}

/* Container Queries (Modern browsers) */
@supports (container-type: inline-size) {
    .mode-selection {
        container-type: inline-size;
    }
    
    @container (max-width: 600px) {
        .mode-card {
            padding: calc(var(--spacing-unit) * 2);
        }
        
        .mode-icon {
            width: 60px;
            height: 60px;
        }
        
        .mode-icon i {
            font-size: 1.5rem;
        }
    }
    
    .stats-grid {
        container-type: inline-size;
    }
    
    @container (max-width: 400px) {
        .stat-card {
            flex-direction: column;
            text-align: center;
        }
        
        .stat-icon {
            margin-bottom: calc(var(--spacing-unit));
        }
    }
}

/* Safe Area Adjustments for iPhone X+ */
@supports (padding: max(0px)) {
    .app-header {
        padding-left: max(calc(var(--spacing-unit) * 2), env(safe-area-inset-left));
        padding-right: max(calc(var(--spacing-unit) * 2), env(safe-area-inset-right));
        padding-top: env(safe-area-inset-top);
    }
    
    .bottom-nav {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        padding-bottom: max(calc(var(--spacing-unit)), env(safe-area-inset-bottom));
    }
    
    .container {
        padding-left: max(calc(var(--spacing-unit) * 2), env(safe-area-inset-left));
        padding-right: max(calc(var(--spacing-unit) * 2), env(safe-area-inset-right));
    }
}

/* Focus Visible for Accessibility */
@supports selector(:focus-visible) {
    .btn:focus-visible,
    .nav-item:focus-visible,
    .action-card:focus-visible,
    .mode-card:focus-visible,
    .faq-question:focus-visible {
        outline: 3px solid var(--primary-color);
        outline-offset: 2px;
    }
    
    .btn:focus:not(:focus-visible),
    .nav-item:focus:not(:focus-visible),
    .action-card:focus:not(:focus-visible),
    .mode-card:focus:not(:focus-visible),
    .faq-question:focus:not(:focus-visible) {
        outline: none;
    }
}

/* Fixes for New Central Data Architecture (Mobile) */
@media (max-width: 768px) {
    .table-controls {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 15px !important;
    }
    
    .table-controls > div {
        flex-direction: column !important;
        align-items: flex-start !important;
        width: 100% !important;
    }
    
    .table-controls .btn {
        width: 100% !important;
        justify-content: center !important;
    }
    
    .folders-grid {
        grid-template-columns: 1fr !important;
    }
    
    .table-info {
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .pagination-container {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
        text-align: center;
    }
    
    .pagination-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
}