src/App.scss

// 1. Import Tailwind's base, components, and utilities
@import 'tailwindcss/base';
@import 'tailwindcss/components';
@import 'tailwindcss/utilities';

// 2. Define CSS Variables (same as your provided HTML)
:root {
    --radius: 0.625rem; /* 10px */
    --radius-md: 0.5rem; /* 8px */
    --background: oklch(1 0 0);
    --foreground: oklch(0.145 0 0);
    --popover: oklch(1 0 0); /* For notification popover */
    --popover-foreground: oklch(0.145 0 0);
    --border: oklch(0.922 0 0);
}

.dark {
    --background: oklch(0.145 0 0);
    --foreground: oklch(0.985 0 0);
    --popover: oklch(0.205 0 0);
    --popover-foreground: oklch(0.985 0 0);
    --border: oklch(1 0 0 / 10%);
}

// 3. Apply base styles
@layer base {
    * {
        border-color: var(--border);
        outline-color: var(--foreground); // Or your ring color
        box-sizing: border-box;
    }
    body {
        @apply bg-background text-foreground;
        overflow-x: hidden;
        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
        padding: 0;
        min-height: 100vh; /* Ensure body takes full viewport height */
        display: flex; /* For centering content if app-container doesn't fill height */
        flex-direction: column; /* For centering content */
    }
    html {
        margin: 0;
        padding: 0;
        overflow-x: hidden;
        height: 100%;
    }
}

// App container and wrapper for overall structure
.app-container {
    width: 100%;
    flex-grow: 1; /* Allows it to grow and fill space if body is flex */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    // min-height: 100vh; // Or set on body
    text-rendering: optimizeLegibility; // antialiased equivalent
}

.app-content-wrapper {
    max-width: 42rem; // max-w-3xl equivalent, adjust as needed
    width: 100%;
    height: 100%; // Or specific height like 90dvh if desired
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between; // Pushes footer to bottom
    position: relative; // For absolute positioning of children like header/footer
}

// Media Area (Video Feed and Large Logo)
.media-area {
    width: 100%;
    flex-grow: 1; // Takes up available space between header and footer
    position: relative; // For absolute positioning of video and large-logo
    display: flex; // For centering large-logo
    align-items: center; // For centering large-logo
    justify-content: center; // For centering large-logo
    background-color: var(--background); // Ensure it has a background
}

.video-feed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1); // Mirrors the video
    &.hidden {
        display: none;
    }
}

.large-logo-container {
    // This is shown when mic is active and cam is not.
    // Positioned by flex on .media-area
    // createLogoFunction(false, ...) will be rendered here.
    // No specific positioning needed here if .media-area handles centering.
    z-index: 1; // Above video if it ever overlaps (though usually one is hidden)
}


// Notification Popover (Styles from your HTML, slightly adjusted for React context)
.notification-popover-wrapper {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    width: calc(100% - 2rem); // Your HTML uses 2rem
    max-width: 28rem;
    display: flex;
    justify-content: center;
    pointer-events: none;
}

.popover-content {
    width: 100%;
    border-radius: var(--radius-md, 0.5rem);
    border-width: 1px;
    border-color: var(--border);
    background-color: var(--popover);
    color: var(--popover-foreground);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    outline: none;
    // Animation classes will be applied by React
    // Initial state for animation:
    opacity: 0;
    transform: translateY(-100%) scale(0.9);
    pointer-events: none;
    transition: opacity 0.3s ease-out, transform 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);


    &.open {
        opacity: 1;
        transform: translateY(0) scale(1);
        pointer-events: auto;
    }
}
// Keyframes from your HTML for popover (already provided in previous correct answer)
@keyframes popover-drop-in { /* ... */ }
@keyframes popover-lift-out { /* ... */ }
.animate-popover-open-top-center { animation: popover-drop-in 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55) forwards; }
.animate-popover-close-top-center { animation: popover-lift-out 0.3s ease-in forwards; }


.notification-popover-text-content {
    background-color: #eff6ff; /* bg-blue-50 */
    font-size: 0.875rem; line-height: 1.5rem; direction: rtl;
    padding: 1rem;
    border-radius: var(--radius-md, 0.5rem);
    color: oklch(0.145 0 0);
}
.dark .notification-popover-text-content {
    background-color: oklch(0.25 0.05 230);
    color: oklch(0.95 0.01 230);
}

/* Header controls */
.header-controls {
    display: flex;
    // padding: 1rem; // Your HTML
    padding: 0.75rem 0.5rem; // Reduced for mobile
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: absolute; // Kept from your previous working version
    top: 0;
    left: 0;
    z-index: 10;
}

.header-button {
    display: flex; align-items: center; justify-content: center;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg, 0.625rem); // Your HTML var(--radius)
    background-color: #e5e7eb; /* bg-gray-200 */
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s ease-out;

    svg {
        opacity: 0.7; stroke: #374151 /* gray-700 */;
        width: 24px; height: 24px;
    }
    &:hover { background-color: #d1d5db; /* bg-gray-300 */ }
    &:active { background-color: #9ca3af; transform: scale(0.95); }
}
.dark .header-button {
    background-color: oklch(0.28 0 0);
    &:hover { background-color: oklch(0.35 0 0); }
    &:active { background-color: oklch(0.40 0 0); transform: scale(0.95); }
    svg { opacity: 0.8; stroke: oklch(0.85 0 0); }
}

/* Footer and Control Buttons */
.footer-controls {
    width: 100%;
    display: flex;
    align-items: center; // Vertically align items if they have different heights
    position: absolute; // Kept from previous working version
    bottom: 0;
    // padding: 2rem 3rem; // Your HTML padding
    padding: 0.75rem 0.5rem; // Reduced for mobile
    z-index: 20; // Ensure above media area content

    // Default layout: Cam (Left) --- Mic (Right)
    &.layout-default {
        justify-content: space-between;
        .small-logo-container { display: none; } // Ensure small logo is hidden
    }

    // Layout with small logo: Cam (Left) -- Logo (Center) -- Mic (Right)
    &.layout-with-small-logo {
        justify-content: space-between; // Still space-between for main buttons
        // The small-logo-container will be positioned absolutely or handled by flex order
        .small-logo-container {
            // Position the small logo in the center of the footer-controls
            // This requires the parent (.footer-controls) to be a positioning context if absolute
            // Or, manage with flex order and margins if using flexbox for all three items.
            // For simplicity with space-between on main buttons, absolute positioning is easier for the logo.
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            display: flex; // From your HTML
            align-items: center; // From your HTML
            justify-content: center; // From your HTML
        }
    }
}

.control-button {
    height: 70px; // Was 80px in your HTML, 70px from previous correction
    width: 70px;
    border-radius: 9999px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-width: 1px;
    border-color: var(--border);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    cursor: pointer;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
    flex-shrink: 0; // Prevent shrinking
    position: relative; // For switch camera button positioning

    svg { // Ensure SVGs inside scale if needed, but your user SVGs have fixed sizes
        max-width: 100%;
        max-height: 100%;
    }

    &:hover {
        transform: scale(1.05);
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    }
}

// Cam button is on the LEFT in your HTML example
.cam-button-wrapper { // Wrapper for cam button and switch button
    position: relative; // For switch camera button positioning
    display: flex; // To keep button and switch container together if needed
    justify-content: center; // Center if wrapper takes full space of its flex item
}
.cam-button-color { background-color: #E0ECFF; } // Blueish for Cam (HTML: Left)
.mic-button-color { background-color: #fecdd3; } // Reddish for Mic (HTML: Right)

.dark .cam-button-color { background-color: #223355; }
.dark .mic-button-color { background-color: #5C2129; }


/* Switch Camera Button Styles (from your HTML) */
.switch-camera-button-container {
    position: absolute;
    bottom: calc(100% + 0.65rem);
    left: 50%; // Center relative to its parent (.cam-button-wrapper or .control-button)
    z-index: 5; // Above its parent button
    opacity: 0;
    transform: translateY(15px) scale(0.7) translateX(-50%);
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.68, -0.55, 0.27, 1.55), transform 0.35s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    transform-origin: center bottom;
    &.visible {
        opacity: 1;
        transform: translateY(0) scale(1) translateX(-50%);
        pointer-events: auto;
    }
}

.switch-camera-button-content {
    width: 48px; height: 48px; // Your HTML
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 9999px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 5px 10px rgba(0,0,0,0.12), 0 2px 4px rgba(0,0,0,0.08);
    cursor: pointer;
    transform-origin: center;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
    &:hover { transform: scale(1.12) rotate(-6deg); box-shadow: 0 7px 15px rgba(0,0,0,0.18), 0 3px 6px rgba(0,0,0,0.12); }
    &:active { transform: scale(1.03) rotate(0deg); }

    .switch-camera-svg { // Class added to SVG in ControlTray.tsx
        width: 22px; height: 22px; // Your HTML SVG size
        stroke: var(--foreground);
        transition: transform 0.3s ease-in-out;
    }
    &:hover .switch-camera-svg { transform: rotate(360deg); }
}


// Logo Animation Styles (from your HTML, adapted)
.logo-animation-wrapper {
    position: relative; // Already applied inline in createLogoFunction
    display: flex;
    align-items: center;
    justify-content: center;
}
.logo-ping, .logo-outer, .logo-mid, .logo-inner {
    position: absolute;
    border-radius: 9999px; // fully rounded
    opacity: 0.5; // As per your HTML example's CSS (Tailwind opacity-50)
}
.logo-ping {
    // Tailwind animate-ping equivalent keyframes needed
    animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite; // From your HTML
}
@keyframes ping { 75%, 100% { transform: scale(2); opacity: 0; } }

.logo-icon-container {
    position: absolute;
    z-index: 10; // Ensure icon is on top of animation layers
    display: flex;
    align-items: center;
    justify-content: center;
    // Inset is applied inline via style in createLogoFunction
    svg { // Styles for the human icon SVG if needed, e.g., size
        // width and height are set on the SVG element itself
    }
}

// Small logo container in the footer
.small-logo-container {
    // When cam is active, this will hold the small animated logo.
    // Positioning is handled by .footer-controls.layout-with-small-logo
    // createLogoFunction(true, ...) will be rendered here.
}