src/App.scss

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

// 2. Define CSS Variables
: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);
    --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);
        box-sizing: border-box;
    }
    body, html { // Apply to both for safety, especially in iframes
        @apply bg-background text-foreground;
        overflow-x: hidden; // Prevent horizontal scroll
        overflow-y: hidden; // *** NEW: Attempt to prevent vertical scroll on body/html ***
        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;
        height: 100%; // Ensure html and body take full height
    }
}

// Main application container to manage overall height
.app-container {
    height: 100vh; // Use viewport height
    display: flex;
    flex-direction: column;
}

.main-wrapper {
    // min-height: 100vh; // No longer needed if app-container handles height
    display: flex;
    flex-direction: column;
    flex-grow: 1; // Allow main-wrapper to fill app-container
    width: 100%;   // Ensure it takes full width
    max-width: 450px; // Max width like many mobile apps, adjust as needed
    margin-left: auto;
    margin-right: auto;
}
.media-area {
    flex-grow: 1; // This area will take up available space above the footer
    position: relative;
    width: 100%; // Ensure it takes full width of main-wrapper
}

#large-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

/* Notification Popover & Header controls (No changes from previous correct version) */
.notification-popover-wrapper {
    position: fixed; top: 1rem; left: 50%; transform: translateX(-50%); z-index: 100;
    width: calc(100% - 1rem); 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; transition: opacity 0.3s ease-out, transform 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    opacity: 0; transform: translateY(-100%) scale(0.9); pointer-events: none;
    &.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
}
.notification-popover-text-content {
    background-color: #eff6ff; 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 {
    display: flex; padding: 0.75rem 0.5rem; justify-content: space-between; align-items: center;
    width: 100%; position: absolute; 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); background-color: #e5e7eb;
    cursor: pointer; transition: background-color 0.2s, transform 0.1s ease-out;
    svg { opacity: 0.7; stroke: #374151; width: 24px; height: 24px; }
    &:hover { background-color: #d1d5db; }
    &: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); }
}

/* Logo Animation Styling */
.logo-animation-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    & > .z-10 > svg {
        width: 100%;
        height: 100%;
    }
}

/* Footer styles to mimic HTML example */
.footer-controls-html-like {
    width: 100%;
    display: flex;
    align-items: center;
    position: relative; // Changed from absolute to allow it to push content if needed
    // bottom: 0; // No longer strictly at bottom of viewport, but bottom of main-wrapper
    // *** MODIFIED: Adjust padding to bring buttons higher ***
    // padding: 2rem 3rem; // Original from HTML
    padding: 1.5rem 2rem 2.5rem 2rem; // Example: 24px top, 32px L/R, 40px bottom (pushes up)
    // یا اگر می خواهید از پایین صفحه فاصله داشته باشد، می توانید bottom را برای main-wrapper تنظیم کنید یا margin-bottom به media-area بدهید.

    box-sizing: border-box;
    z-index: 20;
    justify-content: space-between;
    flex-shrink: 0; // Prevent footer from shrinking
}

.small-logo-footer-html-like {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-button-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.control-button {
    height: 80px;
    width: 80px;
    border-radius: 9999px;
    padding: 0; // Padding is inside the SVG container usually
    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;
    z-index: 2;
    overflow: hidden; // Ensure SVG content fits

    svg {
        //  برای بزرگتر کردن آیکون داخل دکمه، transform در SVG خود آیکون بهتر است
        //  اما اگر SVG transform ندارد، می توانیم اینجا scale کنیم
        //  مثال: transform: scale(1.2); // برای 20% بزرگتر شدن
        width: 60%; // یا درصدی از دکمه
        height: 60%;
    }

    &: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);
    }
}

.mic-button-color { background-color: #fecdd3; }
.cam-button-color { background-color: #E0ECFF; }
.dark .mic-button-color { background-color: #5C2129; }
.dark .cam-button-color { background-color: #223355; }

/* Switch Camera Button (No changes from previous correct version) */
.switch-camera-button-container {
    position: absolute; bottom: calc(100% + 0.65rem); left: 50%;
    transform: translateX(-50%) translateY(15px) scale(0.7); z-index: 5;
    opacity: 0; 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: translateX(-50%) translateY(0) scale(1); pointer-events: auto; }
}
.switch-camera-button-content {
    width: 48px; height: 48px; 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); }
    svg { width: 22px; height: 22px; stroke: var(--foreground); transition: transform 0.3s ease-in-out; }
    &:hover svg { transform: rotate(360deg); }
}

/* Keyframes for popover (No changes) */
@keyframes popover-drop-in {
    0% { opacity: 0; transform: translateY(-100%) scale(0.9); }
    70% { opacity: 1; transform: translateY(5px) scale(1.02); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes popover-lift-out {
    0% { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(-100%) scale(0.9); }
}
.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; }