/* Glassmorphism effect taken from index.html */
.glass-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(12px);
}

/* Container dynamic sizing */
.container {
    width: 100%;
    max-width: 900px;
}
.container.wide-mode {
    max-width: 1200px;
}

/* Workspace Layout (Toggle side-by-side) */
#main-workspace {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 15px;
}
#main-workspace.layout-side {
    flex-direction: row;
}

/* Pane sizing */
.editor-pane, .output-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* --- PIXEL-PERFECT ALIGNMENT FIX --- */
.CodeMirror, #output {
    box-sizing: border-box !important;
    height: 380px !important;
    margin: 0 !important;
    background: transparent !important; 
}

/* Make CodeMirror blend with our modern theme better */
.CodeMirror {
    background-color: rgba(15, 23, 42, 0.4) !important;
    font-family: 'Consolas', 'Monaco', monospace;
}
.CodeMirror-gutters {
    background-color: rgba(30, 41, 59, 0.6) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.05) !important;
}

/* Make both boxes identically taller when in side-by-side mode */
#main-workspace.layout-side .CodeMirror, 
#main-workspace.layout-side #output {
    height: 550px !important; 
}

/* Output Area (Console) */
#output {
    color: #e2e8f0;
    overflow-y: auto;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Consolas', 'Monaco', monospace;
    line-height: 1.6;
    flex-grow: 1;
}

/* Custom scrollbar matching dark slate theme */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.8);
}
::-webkit-scrollbar-thumb {
    background: rgba(71, 85, 105, 0.8);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.8);
}

/* File Output Section hiding logic */
.file-section {
    display: none; 
}

/* Responsive grid for the virtual files */
#file-output {
    display: grid;
    grid-template-columns: 1fr; /* Default to 1 column for narrow screens */
    gap: 16px;
    align-items: start;
    padding-top: 8px;
}

/* Force 2 columns on screens wider than 768px */
@media (min-width: 768px) {
    #file-output {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* The main Notepad body */
.file-container {
    margin-bottom: 0; 
    padding: 0; 
    background-color: #fdf6e3; 
    border: 1px solid #94a3b8;
    border-radius: 6px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* The Notepad Title Bar */
.file-container h4 {
    margin: 0;
    padding: 8px 12px;
    background: linear-gradient(to bottom, #f8fafc, #e2e8f0);
    color: #334155;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom: 1px solid #cbd5e1;
    display: flex;
    align-items: center;
}

/* Add a tiny document icon next to the filename */
.file-container h4::before {
    content: '📄';
    margin-right: 8px;
    font-size: 1.1em;
}

/* The Notepad Text Area (with perfectly aligned ruled lines) */
.file-container pre {
    margin: 0;
    /* Padding-top is exactly 24px so the text starts neatly on the second line */
    padding: 24px 12px 24px 30px; 
    font-family: 'Consolas', 'Monaco', monospace;
    white-space: pre-wrap;
    color: #0f172a; 
    /* Fixed font-size to prevent fractional pixel rendering issues */
    font-size: 14px; 
    line-height: 24px;
    min-height: 120px;
    
    /* Strict 24px background sizing to match the line-height */
    background-image: linear-gradient(transparent 23px, #cbd5e1 23px, #cbd5e1 24px);
    background-size: 100% 24px;
    background-position: 0 0;
    
    /* A subtle red vertical margin line */
    border-left: 2px solid rgba(239, 68, 68, 0.3);
}

/* Interactive Input Container hiding logic */
#input-container {
    display: none; 
}

/* Running Button Animation */
.running {
    animation: pulse-border 1.5s infinite !important;
    background-color: #ef4444 !important; 
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4) !important;
    border-color: #ef4444 !important;
}

@keyframes pulse-border {
    0% { opacity: 1; }
    50% { opacity: 0.8; transform: scale(0.97); }
    100% { opacity: 1; }
}