:root {
    --primary-bg: #0A0A0A; /* A very dark primary background */
    --secondary-bg: #161616; /* A slightly lighter secondary background */
    --accent-color: #FF4081; /* A vibrant, eye-catching accent color */
    --text-color: #F5F5F5; /* A bright, readable text color */
    --hover-color: #FF4081; /* Same as accent for a consistent hover effect */
    --shadow-color: rgba(0, 0, 0, 0.25); /* A subtle shadow for depth */
    --gradient-start: #0A0A0A; /* Matching the primary background for gradient effect */
    --gradient-end: #161616; /* Matching the secondary background for gradient effect */
    --border-light: rgba(255, 255, 255, 0.1); /* Light border color */
    --background-light: rgba(255, 255, 255, 0.05); /* Light background color */
    --background-lighter: rgba(255, 255, 255, 0.15); /* Slightly lighter background color */
    --border-accent: rgba(255, 64, 129, 0.2); /* Border accent color */
    --background-accent: rgba(255, 64, 129, 0.1); /* Background accent color */
    --background-accent-hover: rgba(255, 64, 129, 0.15); /* Background hover accent color */
    --background-accent-hover-strong: rgba(255, 64, 129, 0.3); /* Stronger background hover accent color */
    --background-gradient-accent: rgba(255, 64, 129, 0.2); /* Gradient accent color */
    --input-shadow: rgba(0, 0, 0, 0.15); /* Input shadow color */
}

body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    height: 100vh;
    overflow: hidden;
    background-color: var(--primary-bg);
    color: var(--text-color);
}

.left, .right {
    flex: 1;
    padding: 2rem;
    box-sizing: border-box;
    overflow-y: auto;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.left {
    background-color: var(--secondary-bg);
    border-right: 1px solid var(--border-light);
}

.right {
    background-color: var(--primary-bg);
}

.submitted-text {
    margin: 1.5rem 0;
    cursor: pointer;
    color: var(--text-color);
    background-color: var(--background-accent);
    padding: 1.5rem;
    border-radius: 1rem;
    white-space: pre-wrap;
    position: relative;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-accent);
    overflow: hidden; /* Add this to contain the gradient effect */
}

.submitted-text:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 6px 12px var(--shadow-color);
    background-color: var(--background-accent-hover);
}

.submitted-text.processing::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        to right,
        transparent 0%,
        var(--background-gradient-accent) 50%,
        transparent 100%
    );
    animation: gradient-animation 1.5s infinite linear;
}

@keyframes gradient-animation {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(50%);
    }
}

.textarea-container {
    margin-top: 2rem;
    position: relative;
}

.textarea-bar {
    height: 4px;
    background-color: var(--accent-color);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

textarea:focus + .textarea-bar {
    transform: scaleX(1);
}

textarea {
    width: 100%;
    min-height: 80px;
    border: none;
    resize: none;
    overflow: hidden;
    font-size: 1rem;
    padding: 1.5rem;
    background-color: var(--background-light);
    color: var(--text-color);
    box-sizing: border-box;
    outline: none;
    white-space: pre-wrap;
    border-radius: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: inset 0 2px 4px var(--input-shadow);
}

textarea:focus {
    background-color: var(--background-lighter);
    box-shadow: 0 0 0 2px var(--accent-color), inset 0 2px 4px var(--input-shadow);
}

.message-buttons {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: row;
}

.message-buttons button {
    background: var(--secondary-bg);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 0.25rem;
    margin: 0.25rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px var(--shadow-color);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    font-size: 1.2rem;
    font-weight: bold;
}

.message-buttons button:hover {
    background: var(--hover-color);
    color: var(--text-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px var(--shadow-color);
}

/* Custom scroll bar styles */
.left, .right {
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--secondary-bg);
}

.left::-webkit-scrollbar, .right::-webkit-scrollbar {
    width: 8px;
}

.left::-webkit-scrollbar-track, .right::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}

.left::-webkit-scrollbar-thumb, .right::-webkit-scrollbar-thumb {
    background-color: var(--accent-color);
    border-radius: 4px;
    border: 2px solid var(--secondary-bg);
}

.left::-webkit-scrollbar-thumb:hover, .right::-webkit-scrollbar-thumb:hover {
    background-color: var(--hover-color);
}

pre {
    margin: 1rem 0; /* Reduce margin above and below */
    padding: 1.5rem;
    border-radius: 1rem;
    background-color: var(--background-gradient-accent);
    box-shadow: 0 4px 6px var(--shadow-color);
    overflow: hidden; /* To contain the gradient effect */
    position: relative;
    border: 1px solid var(--border-accent);
    white-space: pre-wrap; /* Ensure proper wrapping of code */
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* Smooth transition for hover effect */
}

pre code {
    display: block; /* Ensures the code takes up the full width */
    color: var(--text-color);
    background-color: transparent; /* Inherit background from `pre` */
    padding: 0; /* Remove padding here, managed by `pre` */
    margin: 0; /* Remove margin here */
    border: none; /* Remove any border that might be applied */
    white-space: pre-wrap; /* Ensure proper wrapping of code */
}

pre:hover {
    transform: translateY(-2px) scale(1.01); /* Apply hover effect to the entire `pre` block */
    box-shadow: 0 6px 12px var(--shadow-color);
    background-color: var(--background-accent-hover-strong);
    cursor: pointer;
}

.code-block {
    white-space: pre;
    overflow: auto;
}