/* File: vill.au/assets/css/responsive.css */

/* VILL.AU - Responsive Design System */
/* Mobile-first approach with breakpoints */

/* Base Mobile Styles (320px and up) */
@media screen and (min-width: 320px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .mobile-hidden {
        display: none !important;
    }
    
    .mobile-visible {
        display: block !important;
    }
}

/* Small Mobile (375px and up) */
@media screen and (min-width: 375px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Header adjustments */
    .header-content {
        padding: var(--spacing-sm) 0;
    }
    
    .logo {
        font-size: var(--fs-lg);
    }
    
    .logo-icon {
        width: 32px;
        height: 32px;
    }
}

/* Large Mobile (425px and up) */
@media screen and (min-width: 425px) {
    /* Form improvements */
    .form-control {
        padding: var(--spacing-md);
        font-size: var(--fs-base);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        min-height: 44px;
    }
    
    /* Auth pages */
    .auth-card {
        padding: var(--spacing-2xl);
        margin: var(--spacing-lg);
    }
}

/* Tablet Portrait (768px and up) */
@media screen and (min-width: 768px) {
    .container {
        max-width: 750px;
        padding: 0 var(--spacing-lg);
    }
    
    .mobile-hidden {
        display: block !important;
    }
    
    .mobile-visible {
        display: none !important;
    }
    
    /* Navigation */
    .nav {
        display: flex;
        gap: var(--spacing-md);
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    /* Header */
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    /* Dashboard */
    .dashboard-container {
        flex-direction: row;
    }
    
    .sidebar {
        transform: translateX(0);
        position: static;
        width: 300px;
    }
    
    .sidebar.collapsed {
        transform: translateX(-100%);
    }
    
    /* Chat Interface */
    .chat-container {
        flex-direction: row;
    }
    
    .chat-sidebar {
        transform: translateX(0);
        position: static;
        width: 320px;
    }
    
    .back-btn {
        display: none;
    }
    
    /* Forms */
    .form-row {
        flex-direction: row;
        gap: var(--spacing-md);
    }
    
    .form-row .form-group {
        flex: 1;
    }
    
    /* Grid system */
    .row {
        margin: 0 calc(-1 * var(--spacing-sm));
    }
    
    .col {
        padding: 0 var(--spacing-sm);
    }
    
    .col-1 { flex: 0 0 8.333333%; }
    .col-2 { flex: 0 0 16.666667%; }
    .col-3 { flex: 0 0 25%; }
    .col-4 { flex: 0 0 33.333333%; }
    .col-5 { flex: 0 0 41.666667%; }
    .col-6 { flex: 0 0 50%; }
    .col-7 { flex: 0 0 58.333333%; }
    .col-8 { flex: 0 0 66.666667%; }
    .col-9 { flex: 0 0 75%; }
    .col-10 { flex: 0 0 83.333333%; }
    .col-11 { flex: 0 0 91.666667%; }
    .col-12 { flex: 0 0 100%; }
}

/* Tablet Landscape (1024px and up) */
@media screen and (min-width: 1024px) {
    .container {
        max-width: 980px;
    }
    
    /* Enhanced navigation */
    .nav {
        gap: var(--spacing-lg);
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* Dashboard improvements */
    .sidebar {
        width: 350px;
    }
    
    .chat-sidebar {
        width: 360px;
    }
    
    /* Message content */
    .message-content {
        max-width: 60%;
    }
    
    /* Cards */
    .features-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .quick-actions {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

/* Desktop (1200px and up) */
@media screen and (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    /* Enhanced layouts */
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .quick-actions {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Improved spacing */
    .hero-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
        align-items: center;
    }
    
    .hero-text {
        order: 1;
    }
    
    .hero-image {
        order: 2;
    }
    
    /* Dashboard enhancements */
    .dashboard-container {
        height: calc(100vh - 70px);
    }
    
    .chat-container {
        height: calc(100vh - 70px);
    }
    
    /* Better message layout */
    .message-content {
        max-width: 50%;
    }
}

/* Large Desktop (1400px and up) */
@media screen and (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    /* Enhanced grids */
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-2xl);
    }
    
    /* Wider sidebar for better UX */
    .sidebar {
        width: 380px;
    }
    
    .chat-sidebar {
        width: 400px;
    }
}

/* Mobile-specific overrides */
@media screen and (max-width: 767px) {
    /* Header mobile */
    .header {
        padding: var(--spacing-sm) 0;
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .nav {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        border-top: 1px solid var(--light-gray);
        flex-direction: column;
        padding: var(--spacing-lg);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        z-index: var(--z-modal);
    }
    
    .nav.nav-open {
        transform: translateY(0);
    }
    
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 3px;
        background: none;
        border: none;
        cursor: pointer;
        padding: var(--spacing-sm);
    }
    
    .mobile-menu-toggle span {
        width: 24px;
        height: 2px;
        background: var(--charcoal);
        transition: all 0.3s ease;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Dashboard mobile */
    .dashboard-container {
        flex-direction: column;
        height: calc(100vh - 60px);
    }
    
    .sidebar {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        z-index: var(--z-modal);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        flex: 1;
    }
    
    /* Chat mobile */
    .chat-container {
        flex-direction: column;
        height: calc(100vh - 60px);
    }
    
    .chat-sidebar {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        z-index: var(--z-modal);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .chat-sidebar.open {
        transform: translateX(0);
    }
    
    .back-btn {
        display: flex;
    }
    
    /* Forms mobile */
    .auth-card {
        margin: var(--spacing-md);
        padding: var(--spacing-xl);
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    /* Messages mobile */
    .message-content {
        max-width: 85%;
    }
    
    .message-input-wrapper {
        padding: var(--spacing-sm);
    }
    
    .input-actions {
        gap: var(--spacing-xs);
    }
    
    /* Hero mobile */
    .hero-content {
        text-align: center;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: var(--fs-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--fs-base);
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--spacing-lg);
    }
    
    /* Features mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-card {
        text-align: center;
        padding: var(--spacing-xl);
    }
    
    /* Quick actions mobile */
    .quick-actions {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .action-card {
        min-width: auto;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .sidebar,
    .chat-sidebar,
    .mobile-menu-toggle,
    .floating-btn,
    .toast-container {
        display: none !important;
    }
    
    .main-content,
    .chat-main {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .container {
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
        background: white;
    }
    
    .btn {
        display: none;
    }
    
    .card {
        border: 1px solid #ccc;
        box-shadow: none;
        break-inside: avoid;
    }
}

/* High DPI displays */
@media screen and (-webkit-min-device-pixel-ratio: 2),
       screen and (min-resolution: 192dpi) {
    .logo-icon,
    .group-avatar,
    .user-avatar {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape orientation */
@media screen and (orientation: landscape) and (max-width: 1024px) {
    .chat-container,
    .dashboard-container {
        height: calc(100vh - 50px);
    }
    
    .sidebar,
    .chat-sidebar {
        width: 280px;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .auth-container {
        padding: var(--spacing-md);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .group-item,
    .message-bubble {
        min-height: 44px;
        min-width: 44px;
    }
    
    .input-action-btn {
        min-height: 48px;
        min-width: 48px;
    }
    
    .user-avatar,
    .group-avatar {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Larger tap targets */
    .header-action-btn {
        padding: var(--spacing-md);
    }
    
    /* Better scroll areas */
    .messages-container,
    .groups-list {
        -webkit-overflow-scrolling: touch;
        overflow-scrolling: touch;
    }
}

/* Reduced motion preferences */
@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-top-color: var(--primary-teal);
    }
    
    .typing-dot {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .btn {
        border-width: 2px;
        font-weight: 600;
    }
    
    .form-control {
        border-width: 2px;
    }
    
    .card {
        border-width: 2px;
    }
    
    .message-bubble {
        border-width: 2px;
    }
}

/* Focus visible for keyboard navigation */
@media (prefers-reduced-motion: no-preference) {
    .btn:focus-visible,
    .nav-link:focus-visible,
    .form-control:focus-visible {
        outline: 2px solid var(--primary-teal);
        outline-offset: 2px;
        transition: outline 0.2s ease;
    }
}

/* Container queries (future-proofing) */
@supports (container-type: inline-size) {
    .sidebar,
    .chat-sidebar {
        container-type: inline-size;
    }
    
    @container (max-width: 300px) {
        .group-name,
        .chat-group-info h2 {
            font-size: var(--fs-sm);
        }
        
        .group-preview {
            display: none;
        }
    }
}