/* ===== RESPONSIVE STYLES - FIXED VERSION ===== */

/* Large Desktops */
@media (max-width: 1440px) {
    .container {
        max-width: 1200px;
    }
}

/* Desktops */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .chat-sidebar {
        width: 260px;
        min-width: 260px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets */
@media (max-width: 992px) {
    .container {
        max-width: 720px;
        padding: 0 1rem;
    }
    
    /* Chat Layout */
    .chat-container {
        flex-direction: row;
    }
    
    .chat-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: 280px;
        height: 100vh;
        transform: translateX(-100%);
        z-index: 1000;
        box-shadow: var(--shadow-xl);
    }
    
    .chat-sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: flex;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 999;
        background: var(--primary);
        color: white;
        width: 44px;
        height: 44px;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .chat-main {
        width: 100%;
        height: 100vh;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .message {
        max-width: 80%;
    }
    
    /* Admin Page */
    .admin-page {
        padding: 1.5rem 1rem;
    }
    
    .admin-header {
        padding: 1.5rem;
    }
    
    .admin-header h1 {
        font-size: 2rem;
    }
}

/* Small Tablets */
@media (max-width: 768px) {
    .container {
        max-width: 540px;
        padding: 0 1rem;
    }
    
    /* Auth Pages */
    .auth-page {
        padding: 1.5rem;
    }
    
    .auth-container {
        padding: 2rem 1.5rem;
    }
    
    .auth-title {
        font-size: 2rem;
    }
    
    /* Admin Page */
    .admin-page {
        padding: 1rem;
    }
    
    .admin-section {
        padding: 1.5rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .section-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .section-actions .btn {
        width: 100%;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Tables */
    .data-table {
        font-size: 0.875rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }
    
    /* Modal */
    .modal-content {
        padding: 1.5rem;
        max-width: 90%;
    }
    
    /* Chat */
    .message-input-container {
        padding: 1rem;
    }
    
    .message-form {
        gap: 0.75rem;
    }
}

/* Mobile */
@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
    
    /* Auth Pages */
    .auth-page {
        padding: 1rem;
    }
    
    .auth-container {
        padding: 1.5rem;
    }
    
    .auth-title {
        font-size: 1.75rem;
    }
    
    .auth-subtitle {
        font-size: 0.9375rem;
    }
    
    /* Chat Layout */
    .chat-container {
        height: 100vh;
        height: 100dvh;
    }
    
    .chat-sidebar {
        width: 85%;
        max-width: 320px;
    }
    
    .chat-header {
        padding: 1rem;
        flex-wrap: wrap;
    }
    
    .header-left h2 {
        font-size: 1.25rem;
    }
    
    .header-left p {
        font-size: 0.8125rem;
    }
    
    .current-user {
        width: 100%;
        justify-content: flex-end;
    }
    
    .messages-container {
        padding: 1rem;
    }
    
    .message {
        max-width: 85%;
    }
    
    .message-content {
        padding: 0.875rem;
        font-size: 0.9375rem;
    }
    
    .message-avatar {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }
    
    .message-input-container {
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .message-input-wrapper textarea {
        min-height: 50px;
        padding: 0.875rem;
        font-size: 0.9375rem;
    }
    
    .send-btn {
        width: 44px;
        height: 44px;
        font-size: 1.125rem;
    }
    
    .input-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    /* Stats */
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.875rem;
    }
    
    /* Admin */
    .admin-header {
        padding: 1.5rem 1rem;
    }
    
    .admin-header h1 {
        font-size: 1.75rem;
    }
    
    .admin-header p {
        font-size: 0.9375rem;
    }
    
    .admin-section {
        padding: 1rem;
    }
    
    /* Notifications */
    .notification {
        min-width: 280px;
        max-width: calc(100% - 2rem);
        right: 1rem;
        left: 1rem;
    }
    
    /* Emoji Picker */
    .emoji-picker {
        max-width: 280px;
        left: 1rem;
        right: 1rem;
        transform: none;
    }
    
    .emoji-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    /* Tables - Horizontal Scroll */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .data-table {
        min-width: 600px;
    }
}

/* Small Mobile */
@media (max-width: 400px) {
    html {
        font-size: 13px;
    }
    
    /* Auth Pages */
    .auth-page {
        padding: 0.75rem;
    }
    
    .auth-container {
        padding: 1.25rem;
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
    
    /* Chat */
    .chat-sidebar {
        width: 90%;
    }
    
    .chat-header h1 {
        font-size: 1.125rem;
    }
    
    .message {
        max-width: 90%;
    }
    
    .message-body {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
    
    .message-actions {
        flex-wrap: wrap;
    }
    
    .action-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }
    
    .sidebar-toggle {
        width: 40px;
        height: 40px;
        top: 0.75rem;
        left: 0.75rem;
    }
    
    /* Input adjustments for very small screens */
    .message-input-container {
        padding: 0.75rem;
        gap: 0.5rem;
    }
    
    .input-actions {
        display: none; /* Hide extra actions on very small screens */
    }
    
    .message-input-wrapper textarea {
        font-size: 1rem; /* Prevent zoom on iOS */
    }
}

/* Very Small Screens */
@media (max-width: 350px) {
    .emoji-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .chat-btn {
        width: 36px;
        height: 36px;
        font-size: 0.875rem;
    }
}

/* Landscape Mode for Small Devices */
@media (max-height: 500px) and (orientation: landscape) {
    .chat-container {
        height: 100vh;
    }
    
    .chat-header {
        padding: 0.75rem 1rem;
    }
    
    .messages-container {
        padding: 0.75rem 1rem;
    }
    
    .message-input-container {
        padding: 0.75rem 1rem;
    }
    
    .message-input-wrapper textarea {
        min-height: 40px;
        max-height: 80px;
    }
}

/* Print Styles */
@media print {
    .chat-sidebar,
    .message-input-container,
    .sidebar-toggle,
    .icon-btn,
    .action-btn,
    .send-btn,
    .header-actions,
    .input-actions,
    .chat-btn {
        display: none !important;
    }
    
    .chat-container {
        display: block;
        height: auto;
    }
    
    .chat-main {
        width: 100%;
        height: auto;
    }
    
    .messages-container {
        overflow: visible;
        padding: 0;
        height: auto;
    }
    
    .message {
        page-break-inside: avoid;
        max-width: 100%;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .message-content {
        border: 1px solid #ccc !important;
        background: white !important;
        color: black !important;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .chat-sidebar::-webkit-scrollbar {
        width: 4px;
    }
    
    .messages-container::-webkit-scrollbar {
        width: 6px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .messages-container {
        scroll-behavior: auto;
    }
}

/* Dark Mode Media Query */
@media (prefers-color-scheme: dark) {
    :root {
        --light: #0f172a;
        --light-gray: #1e293b;
        --gray: #64748b;
        --dark-gray: #94a3b8;
        --dark: #cbd5e1;
        --darker: #f1f5f9;
    }
    
    .auth-container {
        background: rgba(30, 41, 59, 0.95);
        color: var(--dark);
    }
    
    .form-control {
        background: #1e293b;
        color: var(--dark);
        border-color: #334155;
    }
    
    .form-control:focus {
        background: #0f172a;
    }
    
    .stat-card,
    .admin-section {
        background: #1e293b;
        border-color: #334155;
    }
    
    .data-table th {
        background: #0f172a;
        border-color: #334155;
    }
    
    .data-table td {
        border-color: #334155;
    }
    
    .modal-content {
        background: #1e293b;
        color: var(--dark);
    }
}

/* iOS Safe Area Support */
@supports (padding: max(0px)) {
    .chat-container {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }
    
    .message-input-container {
        padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
    }
    
    .sidebar-toggle {
        left: max(1rem, env(safe-area-inset-left));
    }
}

/* Accessibility - Focus Visible */
@media (prefers-reduced-motion: no-preference) {
    :focus-visible {
        outline: 3px solid var(--primary);
        outline-offset: 2px;
        transition: outline-offset 0.2s ease;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .chat-btn,
    .input-btn,
    .send-btn {
        min-width: 44px;
        min-height: 44px;
    }
    
    .user-item {
        padding: 1rem;
    }
    
    .message {
        margin-bottom: 1.75rem;
    }
}