/* iPhone-Optimized Mobile Styles for StockArt */

/* iPhone Safe Area Support */
:root {
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
}

/* iPhone Device Breakpoints */
/* iPhone SE: 375px */
/* iPhone 12/13/14: 390px */
/* iPhone 14 Pro Max: 430px */

/* Mobile-First Base Styles */
@media (max-width: 430px) {
    /* Enhanced Touch Targets - Apple's 44px minimum */
    .sidebar-toggle,
    .nav-item,
    .new-thread-btn,
    .search-option,
    .tool-btn,
    .theme-option,
    .sign-in-btn,
    .cta-button {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Improved touch spacing */
    .nav-item,
    .watchlist-item {
        margin-bottom: 8px;
        padding: 12px 16px;
    }
    
    /* iPhone-specific sidebar behavior */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 2000;
        padding-top: max(var(--safe-area-top), 12px);
        padding-bottom: max(var(--safe-area-bottom), 12px);
        padding-left: max(var(--safe-area-left), 8px);
        padding-right: 8px;
    }
    
    /* Smaller text and margins for mobile sidebar */
    .sidebar .nav-item .label,
    .sidebar .sidebar-signin-btn .label {
        font-size: var(--font-size-xs);
    }
    
    .sidebar .nav-item,
    .sidebar .sidebar-signin-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        margin: 2px 0;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    }
    
    /* Mobile overlay */
    .mobile-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 1500;
        backdrop-filter: blur(4px);
    }
    
    .mobile-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    /* Main content adjustments */
    .main-content {
        margin-left: 0;
        padding: max(var(--safe-area-top), 20px) max(var(--safe-area-right), 16px) max(var(--safe-area-bottom), 20px) max(var(--safe-area-left), 16px);
        min-height: 100vh;
        width: 100%;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    /* Push main content to the right when sidebar is open */
    .sidebar.mobile-open ~ .main-content {
        transform: translateX(280px);
    }
    
    /* Mobile header with hamburger */
    .mobile-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: calc(60px + var(--safe-area-top));
        background: var(--secondary-dark);
        border-bottom: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--safe-area-top) max(var(--safe-area-right), 16px) 0 max(var(--safe-area-left), 16px);
        z-index: 1000;
        backdrop-filter: blur(10px);
    }
    
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: transparent;
        border: none;
        color: var(--text-primary);
        cursor: pointer;
        border-radius: var(--radius-md);
        transition: all var(--transition-base);
    }
    
    .mobile-menu-btn:hover {
        background: var(--hover-bg);
    }
    
    .mobile-logo {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .mobile-logo .logo {
        width: 28px;
        height: 28px;
    }
    
    .mobile-logo .logo-text {
        font-size: var(--font-size-base);
        font-weight: 600;
    }
    
    /* Adjust main content for mobile header */
    .content-container {
        margin-top: calc(60px + var(--safe-area-top));
        padding-top: var(--spacing-xl);
    }
    
    /* Enhanced mobile search */
    .search-container {
        width: 100%;
        max-width: none;
        margin-bottom: var(--spacing-xl);
    }
    
    .search-input {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 16px 20px;
        padding-right: 60px;
        border-radius: var(--radius-xl);
        width: 100%;
    }
    
    .search-input:focus {
        transform: none; /* Disable transform to prevent layout issues */
    }
    
    .voice-btn {
        right: 16px;
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Mobile search options */
    .search-options {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        justify-content: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .search-option {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
        flex: 1;
        min-width: 120px;
        max-width: 150px;
    }
    
    /* Mobile search tools */
    .search-tools {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        justify-content: center;
    }
    
    .tool-btn {
        width: 50px;
        height: 50px;
        border-radius: var(--radius-lg);
    }
    
    /* Mobile brand adjustments */
    .brand-title {
        font-size: 2.5rem;
        line-height: 1.1;
        margin-bottom: var(--spacing-md);
    }
    
    .brand-subtitle {
        font-size: var(--font-size-base);
        line-height: 1.4;
        margin-bottom: var(--spacing-lg);
    }
    
    .brand-logo svg {
        width: 60px;
        height: 60px;
    }
    
    /* Mobile CTA */
    .cta-button {
        width: 100%;
        max-width: 280px;
        padding: 16px var(--spacing-xl);
        font-size: var(--font-size-base);
        min-height: 50px;
    }
    
    /* Mobile watchlist */
    .watchlist-item {
        padding: 16px;
        border-radius: var(--radius-md);
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .stock-info {
        flex: 1;
    }
    
    .stock-symbol {
        font-size: var(--font-size-base);
        margin-bottom: 2px;
    }
    
    .stock-name {
        font-size: var(--font-size-sm);
    }
    
    .stock-price {
        align-items: flex-end;
        text-align: right;
    }
    
    .price {
        font-size: var(--font-size-base);
        margin-bottom: 2px;
    }
    
    .change {
        font-size: var(--font-size-sm);
        padding: 4px 8px;
    }
}

/* iPhone SE specific adjustments (375px) */
@media (max-width: 375px) {
    .brand-title {
        font-size: 2.2rem;
    }
    
    .search-input {
        padding: 14px 18px;
        padding-right: 55px;
    }
    
    .search-option {
        min-width: 100px;
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    
    .tool-btn {
        width: 46px;
        height: 46px;
    }
    
    .mobile-logo .logo-text {
        font-size: var(--font-size-sm);
    }
    
    .theme-option {
        min-width: 40px;
        padding: 6px 8px;
        font-size: var(--font-size-xs);
    }
}

/* Landscape orientation adjustments */
@media (max-width: 430px) and (orientation: landscape) {
    .brand-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .brand-logo {
        margin-bottom: var(--spacing-lg);
    }
    
    .brand-logo svg {
        width: 50px;
        height: 50px;
    }
    
    .content-container {
        padding-top: var(--spacing-md);
    }
    
    .search-container {
        margin-bottom: var(--spacing-lg);
    }
}

/* Touch-specific interactions */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .nav-item:hover,
    .search-option:hover,
    .tool-btn:hover,
    .theme-option:hover {
        transform: none;
    }
    
    /* Enhanced active states for touch */
    .nav-item:active,
    .search-option:active,
    .tool-btn:active,
    .theme-option:active,
    .mobile-menu-btn:active {
        background: var(--active-bg);
        transform: scale(0.96);
    }
    
    /* Better touch feedback */
    .cta-button:active {
        transform: scale(0.98);
    }
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
    /* Fix for iOS Safari viewport units */
    .main-content {
        min-height: -webkit-fill-available;
    }
    
    /* Disable iOS Safari zoom on form inputs */
    .search-input {
        font-size: 16px;
    }
    
    /* Fix for iOS Safari scrolling */
    body {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Disable iOS Safari rubber band effect */
    .sidebar {
        overscroll-behavior: contain;
    }
}

/* High pixel density displays (Retina) */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Crisper borders and shadows on Retina displays */
    .theme-toggle,
    .search-input,
    .search-option,
    .tool-btn {
        border-width: 0.5px;
    }
}

/* Dark mode media query for mobile */
@media (max-width: 430px) and (prefers-color-scheme: dark) {
    .mobile-header {
        background: var(--secondary-dark);
        border-bottom-color: var(--border-color);
    }
}

/* Accessibility improvements for mobile */
@media (max-width: 430px) {
    /* Larger focus indicators on mobile */
    button:focus-visible,
    input:focus-visible {
        outline: 3px solid var(--accent-blue);
        outline-offset: 2px;
    }
    
    /* Better contrast for touch targets */
    .nav-item,
    .search-option,
    .tool-btn {
        border: 1px solid transparent;
    }
    
    .nav-item:focus,
    .search-option:focus,
    .tool-btn:focus {
        border-color: var(--accent-blue);
    }
}

/* Animation performance optimizations for mobile */
@media (max-width: 430px) {
    /* Use transform3d for hardware acceleration */
    .sidebar {
        transform: translate3d(-100%, 0, 0);
        will-change: transform;
    }
    
    .sidebar.mobile-open {
        transform: translate3d(0, 0, 0);
    }
    
    /* Optimize animations for mobile performance */
    .mobile-overlay {
        will-change: opacity;
    }
    
    /* Reduce motion for better performance on older devices */
    @media (prefers-reduced-motion: reduce) {
        .sidebar,
        .mobile-overlay,
        * {
            transition: none !important;
            animation: none !important;
        }
    }
}

/* Progressive enhancement for newer iPhones */
@media (max-width: 430px) and (min-height: 800px) {
    /* Take advantage of taller screens */
    .content-container {
        padding-top: var(--spacing-2xl);
    }
    
    .brand-title {
        font-size: 2.8rem;
    }
    
    .search-container {
        margin-bottom: var(--spacing-2xl);
    }
}

/* Handle notch/Dynamic Island for different iPhone models */
@supports (padding: max(0px)) {
    @media (max-width: 430px) {
        .mobile-header {
            padding-top: max(env(safe-area-inset-top), 10px);
        }
        
        .sidebar {
            padding-top: max(env(safe-area-inset-top), 20px);
        }
        
        .main-content {
            padding-top: max(env(safe-area-inset-top), 20px);
        }
        
        .theme-toggle-container {
            top: max(env(safe-area-inset-top), 15px);
            right: max(env(safe-area-inset-right), 10px);
        }
    }
}