/* --- Basic Setup & Variables --- */
:root {
    --bg-dark: #111827;
    --bg-panel: #1f2937;
    --bg-control: #374151;
    --border-color: #4b5563;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --accent-color: #34d399;
    --accent-hover: #10b981;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden; /* Prevents page scrolling */
}

/* --- Main App Layout --- */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.controls-panel {
    width: 350px;
    background-color: var(--bg-panel);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.2);
    overflow-y: auto;
    /* Allow controls to scroll if needed */
}

.preview-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    transition: background-color 0.3s ease;
    background-color: #2d3748; /* Initial BG color */
}

/* --- Header --- */
.app-header {
    margin-bottom: 2rem;
}

.app-title {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
}

.app-subtitle {
    color: var(--text-secondary);
}

/* --- Controls Styling --- */
.controls-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.control-group {
    display: flex;
    flex-direction: column;
}

.control-group label {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

textarea, select, input[type="color"] {
    width: 100%;
    background-color: var(--bg-control);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
}

textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.3);
}

textarea {
    font-family: 'Fira Code', monospace;
    resize: vertical;
}

input[type="color"] {
    padding: 0.25rem;
    cursor: pointer;
    height: 48px;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--bg-control);
    border-radius: 5px;
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
}

/* --- Toggle Switch --- */
.toggle-group {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--bg-control);
    transition: .4s;
    border-radius: 28px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-color);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

/* --- Export Button --- */
.export-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background-color: var(--accent-color);
    color: var(--bg-dark);
    font-weight: bold;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.export-button:hover {
    background-color: var(--accent-hover);
}

.export-button svg {
    width: 20px;
    height: 20px;
}


/* --- Preview Window Styling --- */
.preview-container {
    transition: padding 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    border-radius: 0.75rem;
    overflow: hidden;
    max-width: 100vw; /* Prevent it from being too wide */
}

.window-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    height: 40px;
    padding: 0 1rem;
    background-color: #333;
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
}
.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

pre {
    margin: 0;
    /* Allow code block to scroll if content is long */
    overflow: auto; 
    /* Set a max-height to ensure it fits on screen */
    max-height: 70vh; 
}

#code-block {
    display: block;
    padding: 2rem;
    font-size: 1rem;
    line-height: 1.6;
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    .controls-panel {
        width: 100%;
        height: 50vh;
        border-bottom: 2px solid var(--bg-dark);
    }
    .preview-area {
        height: 50vh;
    }
}
/* Add this at the end of style.css */

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.highlight-button {
    flex: 1;
    padding: 0.75rem;
    background-color: var(--bg-control);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.highlight-button:hover {
    background-color: #4b5563; /* A slightly lighter shade */
}

.export-button {
    flex: 1; /* Make the export button also take up half the space */
}
/* --- Scrollbar Styling --- */

/* For Chrome, Edge, Safari */
::-webkit-scrollbar {
  width: 10px;              /* scrollbar width */
  height: 10px;             /* horizontal scrollbar height */
}

::-webkit-scrollbar-track {
  background: var(--bg-panel);   /* track color */
}

::-webkit-scrollbar-thumb {
  background-color: var(--accent-color); /* thumb color */
  border-radius: 10px;
  border: 2px solid var(--bg-panel);     /* padding effect */
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--accent-hover); /* hover effect */
}

/* For Firefox */
* {
  scrollbar-width: thin;                  /* auto | thin | none */
  scrollbar-color: var(--accent-color) var(--bg-panel);
}