/* Responsive CSS - Modern Mobile-First Design */

/* Base styles are mobile-first, then enhanced for larger screens */

/* Mobile Sidebar Toggle */
.sidebar-toggle {
    display: none;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.sidebar-toggle:hover {
    background: var(--bg-hover);
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    display: none;
    backdrop-filter: blur(4px);
}

.sidebar-overlay.active {
    display: block;
}

/* Desktop and Large Screens (1200px+) */
@media (min-width: 1200px) {
    .streams-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    
    .content {
        max-width: calc(100vw - var(--sidebar-width));
    }
    
    .page-content {
        max-width: 1400px;
    }
    
    .featured-stream {
        height: 350px;
    }
}

/* Laptop and Medium Screens (1024px - 1199px) */
@media (max-width: 1199px) {
    .streams-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .search-container {
        max-width: 350px;
    }
    
    .nav-links {
        gap: var(--spacing-md);
    }
    
    .nav-link {
        padding: var(--spacing-sm);
    }
}

/* Tablet Landscape (768px - 1023px) */
@media (max-width: 1023px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        position: fixed;
        z-index: 999;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .content {
        margin-left: 0;
        width: 100%;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
    }
    
    .search-container {
        max-width: 300px;
        margin: 0 var(--spacing-md);
    }
    
    .streams-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .featured-stream {
        height: 280px;
    }
    
    .stream-thumbnail {
        height: 160px;
    }
    
    /* Creator Studio adjustments */
    .prism-studios,
    .streamer-layout {
        /* Removed grid-template-columns to use layout from prism-studios-layout-fix.css */
        gap: var(--spacing-md);
    }
    
    .stream-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .control-panel {
        padding: var(--spacing-sm);
    }
}

/* Tablet Portrait (600px - 767px) */
@media (max-width: 767px) {
    .top-nav {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-left {
        gap: var(--spacing-sm);
    }
    
    .brand-logo {
        font-size: 16px;
    }
    
    .search-container {
        max-width: 250px;
        margin: 0 var(--spacing-sm);
    }
    
    .search-input {
        height: 32px;
        font-size: 13px;
    }
    
    .nav-right {
        gap: var(--spacing-sm);
    }
    
    .btn-primary {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 12px;
    }
    
    .content {
        padding: var(--spacing-md);
    }
    
    .streams-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }
    
    .featured-stream {
        height: 220px;
    }
    
    .featured-placeholder {
        padding: var(--spacing-md);
        text-align: center;
    }
    
    .featured-placeholder h2 {
        font-size: 18px;
        margin-bottom: var(--spacing-sm);
    }
    
    .featured-placeholder p {
        font-size: 14px;
        margin-bottom: var(--spacing-md);
    }
    
    .stream-thumbnail {
        height: 140px;
    }
    
    .stream-info {
        padding: var(--spacing-sm);
    }
    
    .stream-title {
        font-size: 13px;
        line-height: 1.3;
    }
    
    .stream-streamer {
        font-size: 12px;
    }
    
    .stream-category {
        font-size: 11px;
    }
    
    .sidebar {
        width: 280px;
    }
    
    .sidebar-nav-item {
        padding: var(--spacing-sm);
        font-size: 13px;
    }
    
    .sidebar-section-title {
        font-size: 11px;
        margin-bottom: var(--spacing-xs);
    }
    
    /* Creator Studio mobile adjustments */
    .prism-studios,
    .streamer-layout {
        /* Removed grid-template-columns to use layout from prism-studios-layout-fix.css */
        gap: var(--spacing-md);
    }
    
    .stream-preview {
        height: 200px;
    }
    
    .chat-section {
        height: 300px;
    }
    
    .stream-settings {
        padding: var(--spacing-sm);
    }
    
    .settings-group {
        margin-bottom: var(--spacing-md);
    }
    
    .form-group {
        margin-bottom: var(--spacing-sm);
    }
    
    .form-control {
        padding: var(--spacing-sm);
        font-size: 14px;
    }
    
    .section-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .filter-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }
    
    .filter-select {
        width: 100%;
    }
}

/* Mobile Portrait (480px - 599px) */
@media (max-width: 599px) {
    .search-container {
        max-width: 180px;
    }
    
    .connection-indicator {
        display: none;
    }
    
    .streams-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .featured-stream {
        height: 180px;
    }
    
    .featured-placeholder h2 {
        font-size: 16px;
    }
    
    .featured-placeholder p {
        font-size: 13px;
    }
    
    .stream-thumbnail {
        height: 120px;
    }
    
    .sidebar {
        width: 260px;
    }
    
    .content {
        padding: var(--spacing-sm);
    }
    
    .page-content {
        padding: 0;
    }
    
    /* Stream card adjustments */
    .stream-card {
        border-radius: var(--radius-md);
    }
    
    .stream-info {
        padding: var(--spacing-xs);
    }
    
    .stream-title {
        font-size: 12px;
        margin-bottom: 2px;
    }
    
    .stream-streamer {
        font-size: 11px;
        margin-bottom: 2px;
    }
    
    .stream-category {
        font-size: 10px;
    }
    
    .stream-viewers {
        font-size: 10px;
        padding: 1px 4px;
    }
    
    .live-indicator {
        font-size: 9px;
        padding: 1px 4px;
    }
    
    /* Button adjustments */
    .btn-primary {
        padding: var(--spacing-xs);
        font-size: 11px;
    }
    
    .btn-secondary {
        padding: var(--spacing-xs);
        font-size: 11px;
    }
    
    .user-menu .streamer-avatar {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
}

/* Small Mobile (320px - 479px) */
@media (max-width: 479px) {
    .top-nav {
        padding: 0 var(--spacing-xs);
    }
    
    .nav-left {
        gap: var(--spacing-xs);
    }
    
    .brand-logo {
        font-size: 14px;
    }
    
    .search-container {
        max-width: 140px;
        margin: 0 var(--spacing-xs);
    }
    
    .search-input {
        height: 28px;
        font-size: 12px;
        padding: 0 var(--spacing-xs);
    }
    
    .nav-right {
        gap: var(--spacing-xs);
    }
    
    .btn-primary {
        padding: 4px 6px;
        font-size: 10px;
    }
    
    .sidebar {
        width: 240px;
    }
    
    .sidebar-nav-item {
        padding: 6px;
        font-size: 12px;
    }
    
    .sidebar-nav-item .icon {
        width: 16px;
        font-size: 14px;
    }
    
    .content {
        padding: var(--spacing-xs);
    }
    
    .featured-stream {
        height: 150px;
    }
    
    .featured-placeholder h2 {
        font-size: 14px;
    }
    
    .featured-placeholder p {
        font-size: 11px;
    }
    
    .stream-thumbnail {
        height: 100px;
    }
    
    .stream-info {
        padding: 4px;
    }
    
    .stream-title {
        font-size: 11px;
        margin-bottom: 1px;
    }
    
    .stream-streamer {
        font-size: 10px;
        margin-bottom: 1px;
    }
    
    .stream-category {
        font-size: 9px;
    }
    
    .user-menu .streamer-avatar {
        width: 24px;
        height: 24px;
        font-size: 11px;
    }
}

/* Landscape orientation adjustments */
@media (orientation: landscape) and (max-height: 600px) {
    .sidebar {
        height: calc(100vh - var(--header-height));
    }
    
    .featured-stream {
        height: 200px;
    }
    
    .stream-thumbnail {
        height: 120px;
    }
}

/* High DPI / Retina Display adjustments */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .stream-thumbnail img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
    
    .streamer-avatar {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .connection-dot {
        animation: none;
    }
}

/* Dark mode specific responsive adjustments */
@media (prefers-color-scheme: dark) {
    .sidebar-overlay {
        background: rgba(0, 0, 0, 0.7);
    }
    
    .sidebar {
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
    }
}

/* Print styles */
@media print {
    .sidebar,
    .top-nav,
    .sidebar-toggle,
    .sidebar-overlay {
        display: none !important;
    }
    
    .content {
        margin-left: 0 !important;
        width: 100% !important;
    }
    
    .stream-card {
        break-inside: avoid;
    }
}

/* Accessibility enhancements */
@media (prefers-contrast: high) {
    .stream-card {
        border: 2px solid var(--border-primary);
    }
    
    .btn-primary {
        border: 2px solid var(--brand-primary);
    }
    
    .btn-secondary {
        border: 2px solid var(--border-primary);
    }
}