:root {
    --bg-main: #ffffff;
    --bg-card: #f8fafc;
    --border-subtle: #e2e8f0;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --primary: #2f284d;
    --accent: #f87d00;
}

body.dark-mode {
    --bg-main: #181824;
    --bg-card: #232336;
    --border-subtle: #35354a;
    --text-primary: #f3f3fa;
    --text-secondary: #b0b3c7;
    --primary: #b7aaff;
    --accent: #ffb86b;
}

.th-wrapper { 
    padding: 20px; 
    background: transparent;
}

.formatter-container {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08); 
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    border: 1px solid var(--border-subtle);
}

textarea.form-control {
    border: 2px solid var(--border-subtle);
    border-radius: 12px;
    padding: 15px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--bg-main);
    color: var(--text-primary);
}


pre[class*="language-"] {
    text-align: left;
    padding: 25px !important;
    border-radius: 15px !important;
    margin-top: 25px;
    border: 1px solid #2d2d2d;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.2);
}

.btn-secondary-custom {
    background: var(--bg-main);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 50px;
}

.btn-secondary-custom:hover {
    background: var(--border-subtle);
    color: var(--primary);
}

h4 {
    color: var(--primary); /* Theme Dark Purple */
    font-weight: 700;
    margin-top: 30px;
}