/* Global Reset & Fonts */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Love Mode (Dark Chocolate & Pink) */
    --bg-color: #1a1212; 
    --nav-bg: #2b2121;
    --card-bg: #2b2121;
    
    /* Text Colors */
    --text-main: #ffe3e8; 
    --text-secondary: #d6aeb6;
    --code-text-accent: #ffb7c5; 
    
    /* Accent: Pop Pink */
    --accent: #ff9bb4;
    --accent-hover: #ff7aa0;
    --border-color: #453232;
    
    /* Editor Specifics */
    --editor-bg: #130d0d; 
    --gutter-bg: #1a1212;
    --gutter-text: #8c6b70;
    
    /* Neon Glow for Love Mode */
    --editor-glow-shadow: 0 0 10px rgba(255, 155, 180, 0.4), 0 0 20px rgba(255, 155, 180, 0.1);

    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --code-font: 'Fira Code', monospace;
    --ui-font: 'Nunito', sans-serif;
}

body.friends-mode {
    /* Friends Mode - Dark Blue Programmer Theme */
    --bg-color: #0f172a;
    --nav-bg: #1e293b;
    --card-bg: #1e293b;
    --text-main: #e2e8f0;
    --text-secondary: #94a3b8;
    --code-text-accent: #60a5fa; 

    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --border-color: #334155;
    --editor-bg: #020617;
    --gutter-bg: #0f172a;
    --gutter-text: #475569;
    
    /* Neon Glow for Friends Mode */
    --editor-glow-shadow: 0 0 10px rgba(56, 189, 248, 0.5), 0 0 20px rgba(56, 189, 248, 0.2);

    --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

body {
    background-color: var(--bg-color);
    font-family: var(--ui-font);
    color: var(--text-main);
    transition: background-color 0.4s ease, color 0.4s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden; /* Prevent horizontal scroll on body */
}

/* Navbar */
nav {
    width: 100%;
    padding: 1rem 2rem;
    background-color: var(--nav-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.4s ease;
    z-index: 10;
}

.nav-brand {
    /* UPDATED FONT & SIZE */
    font-family: 'Cinzel', 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif; /* Or choose another elegant font from Google Fonts */
    font-size: 1.8rem; /* Bold, eye-catching size */
    
    font-weight: 700;
    letter-spacing: 3px; 
    color: var(--accent);
    text-shadow: 
        0 0 10px var(--accent), 
        0 0 20px rgba(255, 155, 180, 0.6), 
        0 0 30px rgba(255, 155, 180, 0.4); 
    transition: all 0.3s ease; 
    cursor: default; 
}

.nav-brand:hover {
    transform: scale(1.02);
    text-shadow: 
        0 0 15px var(--accent), 
        0 0 25px rgba(255, 155, 180, 0.8),
        0 0 40px rgba(255, 155, 180, 0.6);
}

#themeToggle {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-family: var(--ui-font);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

#themeToggle:hover {
    background: var(--accent);
    color: #1a1212;
    border-color: var(--accent);
}

/* --- LAYOUT (The 3-Column Grid) --- */
.app-layout {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 2rem;
    width: 95%;
    max-width: 1400px;
    margin-top: 2rem;
    padding-bottom: 2rem;
}

/* Sidebars */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 160px; /* Fixed width for frames */
    flex-shrink: 0;
    padding-top: 2rem;
}

/* Mobile Title: Hidden by default on large screens */
.mobile-wall-title {
    display: none;
}

/* Photo Frames */
.frame-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.photo-frame {
    width: 120px;
    height: 120px;
    background-color: var(--card-bg);
    border: 4px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-frame:hover {
    transform: scale(1.05) rotate(-2deg);
    border-color: var(--accent);
}

.frame-label {
    font-weight: 700;
    color: var(--accent);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* Main Container (Center) */
#container {
    flex-grow: 1;
    width: 100%; 
    max-width: 800px; 
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0; 
}

/* Editor Panel */
.editor-panel {
    background: var(--card-bg);
    border-radius: 16px;
    /* ORIGINAL SHADOW + NEW GLOW SHADOW */
    box-shadow: var(--shadow), var(--editor-glow-shadow); 
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.editor-header {
    padding: 0.8rem 1.5rem;
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.red { background-color: #ff5f56; }
.yellow { background-color: #ffbd2e; }
.green { background-color: #27c93f; }

.filename {
    margin-left: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: var(--code-font);
    opacity: 0.8;
}

/* Code Area */
.code-area {
    display: flex;
    background-color: var(--editor-bg);
    min-height: 350px;
    position: relative;
}

#lineNumbers {
    width: 45px;
    background-color: var(--gutter-bg);
    color: var(--gutter-text);
    text-align: right;
    padding: 1rem 0.5rem 1rem 0;
    font-family: var(--code-font);
    font-size: 14px;
    line-height: 1.6;
    user-select: none;
    border-right: 1px solid var(--border-color);
    white-space: pre-wrap;
    flex-shrink: 0;
}

#editor {
    flex-grow: 1;
    background-color: transparent;
    color: var(--code-text-accent); 
    text-shadow: none; 
    caret-color: var(--accent);
    border: none;
    resize: none;
    outline: none;
    padding: 1rem;
    font-family: var(--code-font);
    font-size: 14px;
    line-height: 1.6;
    white-space: pre;
    overflow-x: auto;
}

/* Controls */
.controls {
    display: flex;
    justify-content: center;
}

#runButton {
    background-color: var(--accent);
    color: #1a1212;
    border: none;
    padding: 0.8rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    font-family: var(--ui-font);
    box-shadow: 0 4px 15px rgba(255, 155, 180, 0.2);
    transition: transform 0.2s ease, background-color 0.3s ease;
}

#runButton:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    color: white;
}

#runButton:active {
    transform: translateY(0);
}

/* Output Panel */
.output-panel {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
    min-height: 150px;
    transition: all 0.4s ease;
}

.output-header {
    background: rgba(0,0,0,0.2);
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

#output {
    padding: 1rem 1.5rem;
    font-family: var(--code-font);
    font-size: 14px;
    color: var(--text-main);
    white-space: pre-wrap;
    word-wrap: break-word;
    max-width: 100%;
}

/* --- TERMINAL INPUT STYLING (For the 'Bolo Na:' prompt) --- */
.terminal-input-group { 
    display: flex; 
    align-items: center; 
    color: var(--text-main); 
    font-family: var(--code-font); 
    padding-top: 5px; 
}

.terminal-prompt-label { 
    margin-right: 8px; 
    color: var(--accent); 
    font-weight: 700; 
    white-space: nowrap; 
}

.terminal-input { 
    background: transparent; 
    border: none; 
    color: var(--code-text-accent); 
    font-family: inherit; 
    font-size: inherit; 
    flex-grow: 1; 
    outline: none; 
    caret-color: var(--code-text-accent); 
    padding: 0; 
    margin: 0; 
}

.terminal-input:focus {
    outline: none;
}

.user-echo { 
    /* Soft yellow/green for user input echo */
    color: #e6db74; 
    font-style: italic; 
}


/* --- INSTRUCTIONS PANEL STYLING --- */
.instructions-panel {
    background: var(--nav-bg);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    margin-top: 0.5rem;
}

.instructions-panel h3 {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.instruction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.cmd-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    transition: transform 0.2s ease;
}

.cmd-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.05);
}

.cmd-card code {
    display: block;
    font-family: var(--code-font);
    color: var(--accent);
    background: rgba(0, 0, 0, 0.3);
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.cmd-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.cmd-card strong {
    color: var(--text-main);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 900px) {
    .app-layout {
        flex-direction: column;
        align-items: center;
    }
    
    /* Mobile Title: Make title visible */
    .mobile-wall-title {
        display: block;
        width: 100%;
        text-align: center;
        margin-bottom: 1rem;
    }

    .mobile-wall-title h2 {
        font-size: 1.5rem;
        color: var(--accent);
        border-bottom: 2px solid var(--accent);
        padding-bottom: 0.5rem;
        margin: 0 auto;
        width: 80%;
    }

    /* Order Manipulation: */
    #container {
        width: 100%;
        max-width: 100%;
        order: 1; 
        margin-bottom: 2rem;
    }

    .sidebar {
        width: 100%;
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap; 
        padding-top: 0;
        gap: 1.5rem;
    }
    
    .left-sidebar {
        order: 2; 
        border-top: 1px solid var(--border-color);
        padding-top: 2rem;
        margin-bottom: 1rem;
    }
    
    .right-sidebar {
        order: 3; 
    }
    
    .frame-container {
        margin: 0;
    }

    /* Adjust Nav for mobile */
    nav {
        padding: 1rem;
    }
    
    .nav-brand {
        font-size: 1rem;
    }
    
    #themeToggle {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
}

/* Small Mobile Adjustment */
@media (max-width: 500px) {
    .instruction-grid {
        grid-template-columns: 1fr; /* Stack instructions on very small screens */
    }
    
    .code-area {
        min-height: 250px; /* Shorter editor on mobile */
    }
    
    #lineNumbers {
        padding-right: 0.2rem;
        width: 35px;
        font-size: 12px;
    }
    
    #editor {
        font-size: 12px;
    }
}
#output:empty::before {
    content: ">> Run the code... Puppy outputs like a good boy. 🐶";
    color: var(--text-secondary);
    opacity: 0.6;
    font-style: italic;
    pointer-events: none;
}