/* frontend/css/responsive.css */

/* Mobile First Approach - Base styles are for mobile */

/* Hide desktop navigation and show mobile menu button by default */
.main-nav-desktop {
    display: none;
}

#menu-toggle-btn {
    display: block;
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
    
    .card {
        padding: var(--spacing-xl);
    }
    
    .grid-sm-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    :root {
        --font-size-base: 18px;
    }
    
    .container {
        max-width: 720px;
    }
    
    /* Hide the mobile menu toggle button on medium devices and up */
    #menu-toggle-btn {
        display: none;
    }
    
    /* Hide the mobile dropdown menu on medium devices and up */
    #menu-dropdown {
        display: none !important; /* Force hide to override other styles */
    }
    
    /* Show the desktop navigation on medium devices and up */
    .main-nav-desktop {
        display: flex; /* Use flexbox for horizontal alignment */
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .grid-md-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-md-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Tablet-specific adjustments */
    .btn {
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    .form-input,
    .form-textarea,
    .form-select {
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    
    .hide-lg {
        display: none;
    }
    
    .show-lg {
        display: block;
    }
    
    .grid-lg-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .grid-lg-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* Portrait orientation specific styles */
@media (orientation: portrait) {
    /* Optimize for one-handed use */
    .bottom-actions {
        padding-bottom: calc(var(--spacing-lg) + var(--safe-area-inset-bottom));
    }
    
    .fab {
        bottom: calc(100px + var(--safe-area-inset-bottom));
    }
}

/* Landscape orientation specific styles */
@media (orientation: landscape) {
    /* Reduce vertical spacing in landscape */
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    /* Side-by-side layout for chat in landscape */
    @media (min-width: 768px) {
        .chat-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
        }
    }
}

/* Touch device specific styles */
@media (hover: none) and (pointer: coarse) {

    /*
    Disable the default tap highlight color on touch devices (especially iOS)
    to prevent visual glitches where the highlight conflicts with button styles.
    */
    * {
        -webkit-tap-highlight-color: transparent;
    }

    /* Increase touch targets */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .form-input,
    .form-textarea,
    .form-select {
        min-height: 44px;
    }
    
    /* Remove hover effects on touch devices */
    .btn:hover {
        background-color: inherit;
    }
    
    /* Improve touch feedback */
    .btn:active {
        transform: scale(0.95);
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Use higher resolution images */
    .logo {
        background-image: url('../assets/logo@2x.png');
    }
}

/* iOS specific adjustments */
@supports (-webkit-touch-callout: none) {
    /* iOS elastic scroll */
    .scrollable {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Fix iOS form zoom */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    textarea {
        font-size: 16px;
    }
    
    /* iOS safe areas */
    .app-container {
        padding-top: var(--safe-area-inset-top);
        padding-left: var(--safe-area-inset-left);
        padding-right: var(--safe-area-inset-right);
    }
}

/* Android specific adjustments */
@media (hover: none) and (pointer: coarse) and (min-width: 320px) {
    /* Android keyboard adjustments */
    .recording-interface.keyboard-open {
        position: absolute;
        bottom: 0;
    }
}

/* Small phone adjustments (iPhone SE, etc.) */
@media (max-width: 375px) {
    :root {
        --font-size-base: 14px;
        --spacing-md: 12px;
        --spacing-lg: 20px;
    }
    
    .header h1 {
        font-size: var(--font-size-xl);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .level-selector {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }
    
    .record-button {
        width: 70px;
        height: 70px;
    }
}

/* Foldable phone support */
@media (min-width: 320px) and (max-width: 853px) and (orientation: portrait) {
    /* Samsung Galaxy Fold closed */
    .container {
        padding: 0 var(--spacing-sm);
    }
}

@media (min-width: 717px) and (max-width: 853px) and (orientation: landscape) {
    /* Samsung Galaxy Fold open */
    .app-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
}

/* Accessibility - 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;
    }
}

/* Print styles */
@media print {
    /* Hide unnecessary elements */
    .header,
    .fab,
    .recording-interface,
    .btn,
    .audio-player {
        display: none !important;
    }
    
    /* Optimize for printing */
    body {
        background: white;
        color: black;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
    
    .message {
        page-break-inside: avoid;
    }
    
    /* Show URLs for links */
    a[href]::after {
        content: " (" attr(href) ")";
    }
}

/* Custom scrollbar for webkit browsers */
@media (min-width: 768px) {
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }
    
    ::-webkit-scrollbar-track {
        background: var(--background);
    }
    
    ::-webkit-scrollbar-thumb {
        background: var(--border-color);
        border-radius: 4px;
    }
    
    ::-webkit-scrollbar-thumb:hover {
        background: var(--text-secondary);
    }
}

/* Notch and status bar handling */
@supports (padding-top: constant(safe-area-inset-top)) {
    .app-container {
        padding-top: constant(safe-area-inset-top);
    }
}

@supports (padding-top: env(safe-area-inset-top)) {
    .app-container {
        padding-top: env(safe-area-inset-top);
    }
}

/* Specific device fixes */

/* iPhone X and later */
@media only screen 
    and (device-width: 375px) 
    and (device-height: 812px) 
    and (-webkit-device-pixel-ratio: 3) {
    .recording-interface {
        padding-bottom: calc(var(--spacing-md) + 34px); /* Account for home indicator */
    }
}

/* iPad Pro */
@media only screen 
    and (min-device-width: 1024px) 
    and (max-device-width: 1366px) 
    and (-webkit-min-device-pixel-ratio: 2) {
    .container {
        max-width: 768px;
    }
    
    .chat-container {
        padding: var(--spacing-xl);
    }
}