/* =====================================================
   NEOMON - Retro Neomon Theme
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:ital,wght@0,400;0,600;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Retro Neomon Palette - Lighter theme */
    --pixel-black: #202020;
    --pixel-white: #f8f8f8;
    --pixel-red: #e03030;
    --pixel-blue: #3050f8;
    --pixel-green: #30a030;
    --pixel-yellow: #f8d030;
    --pixel-gray: #808080;
    --pixel-dark-gray: #404040;
    --pixel-light-gray: #e8e8e8;
    --pixel-cream: #f0f0e8;

    /* Backgrounds - Much lighter */
    --bg-dark: #2a2a3a;
    --bg-panel: #e0e0e0;
    --bg-card: #d8d8d8;
    --bg-elevated: #c8c8c8;

    /* Text */
    --text-bright: #f8f8f8;
    --text-primary: #202020;
    --text-secondary: #404040;
    --text-muted: #606060;

    /* Borders */
    --border-light: #f8f8f8;
    --border-dark: #202020;
    --border-gray: #404040;

    /* Console */
    --console-bg: #0a0a0a;
    --console-text: #f8f8f8;
    --console-error: #e03030;
    --console-success: #30a030;

    /* Typography */
    --font-pixel: 'Press Start 2P', monospace;
    --font-body: 'Crimson Text', Georgia, serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--pixel-light-gray);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    image-rendering: pixelated;
}

main {
    flex: 1;
    padding: 1rem 1.5rem;
    background: transparent;
}

/* ==================== Header - Retro Banner ==================== */
header {
    background: var(--pixel-blue);
    border-bottom: 4px solid var(--pixel-black);
    padding: 0.75rem 1.5rem;
    position: relative;
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1800px;
    margin: 0 auto;
}

header nav ul {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

header nav ul li {
    margin: 0;
    padding: 0;
}

header strong {
    font-family: var(--font-pixel);
    font-size: 0.9rem;
    color: var(--pixel-white);
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Level Badge - Retro Style */
#level-display {
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    color: var(--pixel-black);
    padding: 0.5rem 0.75rem;
    background: var(--pixel-yellow);
    border: 3px solid var(--pixel-black);
    box-shadow: 3px 3px 0 rgba(0,0,0,0.3);
}

/* XP Bar - Neomon HP Bar Style */
.xp-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.xp-bar {
    width: 160px;
    height: 10px;
    background: var(--pixel-white);
    border: 2px solid var(--pixel-black);
}

.xp-fill {
    height: 100%;
    background: var(--pixel-green);
    transition: width 0.3s linear;
}

.xp-text {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--pixel-white);
    min-width: 70px;
}

/* ==================== Layout - The Realm ==================== */
.grid-layout {
    display: grid;
    grid-template-columns: 280px 1fr 420px;
    gap: 1.25rem;
    height: calc(100vh - 130px);
    max-width: 1800px;
    margin: 0 auto;
}

.grid-layout > aside,
.grid-layout > section {
    margin: 0;
    max-height: 100%;
}

/* ==================== Character Stats Panel - Retro ==================== */
#character-stats {
    background: var(--pixel-white);
    border: 3px solid var(--pixel-black);
    padding: 0.75rem;
    margin-bottom: 1rem;
    box-shadow: 4px 4px 0 var(--pixel-dark-gray);
}

.char-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.char-class {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--pixel-gray);
    letter-spacing: 0.05em;
}

.char-level {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--pixel-black);
    background: var(--pixel-yellow);
    padding: 0.2rem 0.4rem;
    border: 2px solid var(--pixel-black);
}

.char-title {
    font-family: var(--font-pixel);
    font-size: 0.6rem;
    color: var(--pixel-blue);
    margin-bottom: 0.5rem;
}

.char-xp-bar {
    height: 8px;
    background: var(--pixel-light-gray);
    border: 2px solid var(--pixel-black);
    margin-bottom: 0.5rem;
}

.char-xp-fill {
    height: 100%;
    background: var(--pixel-green);
    transition: width 0.3s linear;
}

.char-stats-row {
    display: flex;
    justify-content: space-around;
}

.char-stat {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.stat-icon {
    font-size: 0.8rem;
}

.stat-value {
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--pixel-black);
}

/* ==================== Chapter Navigation - Retro ==================== */
#chapter-nav {
    background: var(--pixel-white);
    padding: 0.75rem;
    border: 3px solid var(--pixel-black);
    overflow-y: auto;
    box-shadow: 4px 4px 0 var(--pixel-dark-gray);
}

#chapter-nav h3 {
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--pixel-blue);
    margin: 0 0 0.75rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--pixel-light-gray);
}

#chapter-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

#chapter-list li {
    margin: 0;
}

/* Chapter Items - Retro Menu Style */
.chapter-item {
    display: block;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    background: transparent;
    border: 2px solid transparent;
    position: relative;
    transition: none;
}

.chapter-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    opacity: 0;
}

.chapter-item:hover {
    background: var(--pixel-light-gray);
    border-color: var(--pixel-black);
}

.chapter-item:hover::before {
    content: '▶';
    color: var(--pixel-black);
    opacity: 1;
    left: -12px;
}

.chapter-item.active {
    background: var(--pixel-blue);
    border-color: var(--pixel-black);
}

.chapter-item.active::before {
    content: '▶';
    color: var(--pixel-white);
    opacity: 1;
    left: -12px;
}

.chapter-item.active .chapter-title {
    color: var(--pixel-white);
}

.chapter-item .chapter-title {
    display: block;
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    margin-bottom: 0.2rem;
    color: var(--pixel-black);
    line-height: 1.4;
}

.chapter-item .chapter-meta {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-pixel);
    font-size: 0.4rem;
    color: var(--pixel-gray);
}

.chapter-item .chapter-meta span:last-child {
    color: var(--pixel-blue);
}

/* Completed Chapters */
.chapter-item.completed {
    background: transparent;
    border-color: transparent;
}

.chapter-item.completed::before {
    content: '★';
    color: var(--pixel-green);
    opacity: 1;
    left: -12px;
}

.chapter-item.completed .chapter-title {
    color: var(--pixel-green);
}

.chapter-item.completed:hover {
    background: var(--pixel-light-gray);
    border-color: var(--pixel-green);
}

/* ==================== Curriculum Panel - Hybrid Retro ==================== */
#curriculum-panel {
    background: #ffffff;
    padding: 1.5rem;
    border: 3px solid var(--pixel-black);
    overflow-y: auto;
    position: relative;
    box-shadow: 4px 4px 0 var(--pixel-dark-gray);
}

#curriculum-content {
    width: 100%;
}

/* Headers use pixel font */
#curriculum-content h2 {
    font-family: var(--font-pixel);
    font-size: 0.9rem;
    margin: 0 0 1.25rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--pixel-black);
    color: var(--pixel-black);
    letter-spacing: 0.02em;
}

#curriculum-content h3 {
    font-family: var(--font-pixel);
    font-size: 0.65rem;
    color: var(--pixel-blue);
    margin: 1.5rem 0 0.75rem 0;
}

#curriculum-content h4 {
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    color: var(--pixel-dark-gray);
    margin: 1.25rem 0 0.5rem 0;
}

/* Body text stays readable */
#curriculum-content p {
    color: var(--pixel-black);
    line-height: 1.8;
    margin: 0 0 1rem 0;
    font-size: 1.05rem;
}

#curriculum-content strong {
    color: var(--pixel-black);
    font-weight: 700;
}

/* Code blocks - Retro terminal style */
#curriculum-content pre:not(.npc-owl) {
    background: var(--pixel-black);
    padding: 1.5rem 1rem 1rem 1rem;
    overflow-x: auto;
    margin: 1rem 0;
    border: 3px solid var(--pixel-dark-gray);
    position: relative;
    box-shadow: inset 0 0 0 2px var(--pixel-dark-gray);
}

#curriculum-content pre:not(.npc-owl):not(.npc-professor)::before {
    content: 'CODE';
    position: absolute;
    top: 4px;
    left: 8px;
    font-family: var(--font-pixel);
    font-size: 0.4rem;
    color: var(--pixel-green);
    letter-spacing: 0.1em;
}

#curriculum-content code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

#curriculum-content pre code {
    background: none;
    padding: 0;
    color: var(--pixel-green);
}

#curriculum-content :not(pre) > code {
    background: var(--pixel-black);
    color: var(--pixel-green);
    padding: 0.15rem 0.4rem;
    font-size: 0.85em;
    font-weight: 500;
    border: 2px solid var(--pixel-dark-gray);
}

/* Lists */
#curriculum-content ul,
#curriculum-content ol {
    color: var(--pixel-black);
    padding-left: 1.5rem;
    margin: 0 0 1rem 0;
}

#curriculum-content li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

#curriculum-content li::marker {
    color: var(--pixel-blue);
}

/* Tables - Retro grid style */
#curriculum-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
    border: 3px solid var(--pixel-black);
}

#curriculum-content th {
    background: var(--pixel-black);
    color: var(--pixel-white);
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 3px solid var(--pixel-dark-gray);
}

#curriculum-content td {
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--pixel-light-gray);
    color: var(--pixel-black);
    background: var(--pixel-white);
}

#curriculum-content tr:last-child td {
    border-bottom: none;
}

#curriculum-content tr:hover td {
    background: var(--pixel-light-gray);
}

/* KPI Checkboxes - Retro Objectives */
.kpi-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin: 0.5rem 0;
    padding: 0.5rem 0.75rem;
    background: var(--pixel-light-gray);
    border: 2px solid var(--pixel-black);
    cursor: pointer;
}

.kpi-checkbox:hover {
    background: var(--pixel-white);
}

.kpi-checkbox input[type="checkbox"] {
    margin-top: 0.15rem;
    accent-color: var(--pixel-blue);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.kpi-checkbox span {
    color: var(--pixel-black);
    font-size: 0.9rem;
    line-height: 1.5;
}

.kpi-checkbox.completed {
    background: var(--pixel-green);
    border-color: var(--pixel-black);
}

.kpi-checkbox.completed span {
    text-decoration: line-through;
    color: var(--pixel-white);
}

/* Story Intro & NPC Dialogue - Retro */
.story-intro {
    margin: 1.5rem 0 2rem 0;
    padding: 1.25rem;
    background: var(--pixel-light-gray);
    border: 3px solid var(--pixel-black);
    position: relative;
    box-shadow: 4px 4px 0 var(--pixel-dark-gray);
}

.story-intro::before {
    content: 'QUEST';
    position: absolute;
    top: -10px;
    left: 10px;
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--pixel-white);
    background: var(--pixel-blue);
    padding: 2px 8px;
    border: 2px solid var(--pixel-black);
}

.npc-dialogue {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.npc-owl {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.2;
    color: var(--pixel-dark-gray);
    background: none !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    white-space: pre;
    flex-shrink: 0;
}

.npc-text {
    flex: 1;
}

.npc-text p {
    margin: 0 0 0.75rem 0;
    font-style: italic;
    color: var(--pixel-black);
    line-height: 1.8;
}

.npc-text p:first-child {
    color: var(--pixel-black);
    font-size: 0.95rem;
}

.npc-text strong {
    color: var(--pixel-blue) !important;
    font-style: normal;
}

.npc-hint {
    margin-top: 1rem;
    padding: 0.5rem 0.75rem;
    background: var(--pixel-white);
    border: 2px solid var(--pixel-dark-gray);
}

.npc-hint summary {
    cursor: pointer;
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--pixel-blue);
}

.npc-hint summary:hover {
    color: var(--pixel-red);
}

.npc-hint p {
    margin: 0.75rem 0 0 0;
    font-size: 0.9rem;
    color: var(--pixel-black);
    font-style: normal;
}

.chapter-info {
    font-family: var(--font-pixel);
    font-size: 0.4rem;
    color: var(--pixel-gray);
    margin-bottom: 1rem;
}

/* Exercise blocks - Retro Challenges */
.exercise {
    margin: 1.5rem 0;
    padding: 1.25rem;
    background: var(--pixel-white);
    border: 3px solid var(--pixel-black);
    position: relative;
    box-shadow: 4px 4px 0 var(--pixel-dark-gray);
}

.exercise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--pixel-blue);
}

.exercise-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--pixel-light-gray);
}

.exercise-header h3 {
    margin: 0 !important;
    font-family: var(--font-pixel) !important;
    font-size: 0.55rem !important;
    color: var(--pixel-black) !important;
}

.exercise-xp {
    background: var(--pixel-yellow);
    color: var(--pixel-black);
    padding: 0.3rem 0.6rem;
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    border: 2px solid var(--pixel-black);
    box-shadow: 2px 2px 0 var(--pixel-black);
}

.exercise-xp.boss {
    background: var(--pixel-red);
    color: var(--pixel-white);
    animation: none;
}

/* Exercise buttons container */
.exercise-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.complete-exercise-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--pixel-green);
    color: var(--pixel-white);
    border: 3px solid var(--pixel-black);
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    cursor: pointer;
    box-shadow: 3px 3px 0 var(--pixel-black);
    transition: none;
}

.complete-exercise-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--pixel-black);
}

.complete-exercise-btn:active {
    transform: translate(3px, 3px);
    box-shadow: none;
}

.complete-exercise-btn::before {
    content: '>';
}

/* ==================== Editor Panel - Retro Forge ==================== */
#editor-panel {
    display: flex;
    flex-direction: column;
    background: var(--pixel-white);
    border: 3px solid var(--pixel-black);
    padding: 0.75rem;
    gap: 0.75rem;
    box-shadow: 4px 4px 0 var(--pixel-dark-gray);
    position: relative;
}

#editor-panel::before {
    content: 'CODE LAB';
    position: absolute;
    top: -10px;
    left: 10px;
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--pixel-white);
    background: var(--pixel-green);
    padding: 2px 8px;
    border: 2px solid var(--pixel-black);
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editor-header h3 {
    margin: 0;
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--pixel-blue);
}

.editor-actions {
    display: flex;
    gap: 0.4rem;
}

.editor-actions button {
    padding: 0.4rem 0.75rem;
    margin: 0;
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    cursor: pointer;
    transition: none;
}

#run-btn {
    background: var(--pixel-green);
    color: var(--pixel-white);
    border: 3px solid var(--pixel-black);
    box-shadow: 3px 3px 0 var(--pixel-black);
}

#run-btn::before {
    content: '> ';
}

#run-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--pixel-black);
}

#run-btn:active {
    transform: translate(3px, 3px);
    box-shadow: none;
}

#clear-btn {
    background: var(--pixel-gray);
    color: var(--pixel-black);
    border: 3px solid var(--pixel-black);
    box-shadow: 3px 3px 0 var(--pixel-black);
}

#clear-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--pixel-black);
}

#editor-container {
    flex: 1;
    min-height: 260px;
    overflow: hidden;
    border: 3px solid var(--pixel-dark-gray);
}

.CodeMirror {
    height: 100% !important;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    background: var(--pixel-black) !important;
}

.CodeMirror-gutters {
    background: var(--bg-elevated) !important;
    border-right: 2px solid var(--pixel-dark-gray) !important;
}

/* The Oracle (Console) - Retro */
.console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.console-header h4 {
    margin: 0;
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--pixel-blue);
    text-transform: uppercase;
}

.console-header h4::before {
    content: '> ';
}

.console-header button {
    padding: 0.2rem 0.4rem;
    font-family: var(--font-pixel);
    font-size: 0.35rem;
    background: var(--pixel-light-gray);
    color: var(--pixel-black);
    border: 2px solid var(--pixel-black);
    cursor: pointer;
}

.console-header button:hover {
    background: var(--pixel-gray);
    color: var(--pixel-black);
}

#console-output {
    flex: 1;
    min-height: 130px;
    max-height: 200px;
    overflow-y: auto;
    background: var(--pixel-black);
    color: var(--pixel-green);
    padding: 0.75rem;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    white-space: pre-wrap;
    border: 3px solid var(--pixel-dark-gray);
}

.console-line {
    margin-bottom: 0.25rem;
}

.console-error {
    color: var(--pixel-red);
}

.console-success {
    color: var(--pixel-green);
}

/* ==================== Popups - Retro Victory Screens ==================== */
.achievement-popup,
.levelup-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 15, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.2s linear;
}

.achievement-popup.hidden,
.levelup-popup.hidden {
    display: none;
}

.achievement-content,
.levelup-content {
    background: var(--pixel-white);
    padding: 2rem 3rem;
    text-align: center;
    border: 4px solid var(--pixel-black);
    box-shadow: 8px 8px 0 var(--pixel-black);
    animation: victoryPop 0.3s ease-out;
    position: relative;
}

.achievement-content::before,
.levelup-content::before {
    content: '★';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    color: var(--pixel-black);
    background: var(--pixel-yellow);
    padding: 0 8px;
    border: 2px solid var(--pixel-black);
}

.achievement-icon,
.levelup-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.achievement-content h3 {
    font-family: var(--font-pixel);
    font-size: 0.7rem;
    margin: 0 0 0.5rem;
    color: var(--pixel-black);
}

.achievement-content p {
    color: var(--pixel-dark-gray);
    margin: 0 0 0.75rem;
    font-size: 1rem;
}

.xp-earned {
    font-family: var(--font-pixel);
    font-size: 0.9rem;
    color: var(--pixel-green);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
}

.levelup-content h2 {
    font-family: var(--font-pixel);
    font-size: 1rem;
    margin: 0 0 0.5rem;
    color: var(--pixel-blue);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
}

.levelup-content h3 {
    font-family: var(--font-pixel);
    font-size: 0.6rem;
    color: var(--pixel-black);
    margin: 0;
}

/* ==================== Animations ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes victoryPop {
    0% {
        transform: scale(0.9);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

#run-btn.running {
    animation: runCode 0.2s linear;
}

@keyframes runCode {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(3px, 3px); }
}

/* Load code button - Retro */
.load-code-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.5rem;
    padding: 0.3rem 0.6rem;
    font-family: var(--font-pixel);
    font-size: 0.4rem;
    background: var(--pixel-blue);
    color: var(--pixel-white);
    border: 2px solid var(--pixel-black);
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--pixel-black);
    transition: none;
}

.load-code-btn:hover {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 var(--pixel-black);
}

.load-code-btn::before {
    content: ">";
}

/* ==================== Scrollbars - Retro ==================== */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--pixel-light-gray);
    border: 2px solid var(--pixel-black);
}

::-webkit-scrollbar-thumb {
    background: var(--pixel-gray);
    border: 2px solid var(--pixel-black);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--pixel-dark-gray);
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--pixel-gray) var(--pixel-light-gray);
}

/* ==================== Responsive ==================== */
@media (max-width: 1400px) {
    .grid-layout {
        grid-template-columns: 260px 1fr 400px;
    }
}

@media (max-width: 1100px) {
    .grid-layout {
        grid-template-columns: 240px 1fr 360px;
        gap: 1rem;
    }

    main {
        padding: 1rem;
    }
}

@media (max-width: 900px) {
    .grid-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        height: auto;
    }

    #chapter-nav {
        max-height: 180px;
    }

    #chapter-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.375rem;
    }

    .chapter-item {
        padding: 0.5rem 0.75rem;
    }

    .chapter-item::before {
        display: none;
    }

    .chapter-item .chapter-meta {
        display: none;
    }

    #curriculum-panel {
        min-height: 400px;
    }
}

/* ==================== Neomon Styles ==================== */

/* Locked Chapters */
.chapter-item.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.chapter-item.locked:hover {
    background: transparent;
    border-color: transparent;
}

.chapter-item.locked::before {
    content: '🔒';
    opacity: 1;
    left: -14px;
}

.chapter-item.locked .chapter-title {
    color: var(--pixel-gray);
}

.lock-icon {
    margin-left: 0.25rem;
    font-size: 0.5rem;
}

/* Neomon Badge in Chapter List */
.neomon-badge {
    font-size: 0.8rem;
}

/* Badges Row */
.badges-row {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 2px solid var(--pixel-light-gray);
}

.badge-slot {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--pixel-black);
    font-size: 0.75rem;
}

.badge-slot.empty {
    background: var(--pixel-light-gray);
}

.badge-slot.earned {
    background: var(--pixel-yellow);
    animation: badgeEarned 0.3s ease-out;
}

.badge-sprite-img {
    width: 20px;
    height: 20px;
    object-fit: contain;
    image-rendering: pixelated;
}

@keyframes badgeEarned {
    0% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* Neodex Button */
.neodex-btn {
    width: 100%;
    padding: 0.6rem 0.75rem;
    margin: 0.75rem 0;
    background: var(--pixel-blue);
    color: var(--pixel-white);
    border: 3px solid var(--pixel-black);
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    cursor: pointer;
    box-shadow: 3px 3px 0 var(--pixel-black);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.neodex-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--pixel-black);
}

/* Neodex Modal */
.neodex-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 15, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.2s linear;
}

.neodex-modal.hidden {
    display: none;
}

.neodex-content {
    background: var(--pixel-white);
    padding: 1.5rem;
    border: 4px solid var(--pixel-black);
    box-shadow: 8px 8px 0 var(--pixel-black);
    max-width: 1100px;
    width: 95%;
    max-height: 80vh;
    overflow-y: auto;
}

.neodex-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--pixel-black);
}

.neodex-header h2 {
    font-family: var(--font-pixel);
    font-size: 0.8rem;
    margin: 0;
    color: var(--pixel-blue);
}

.neodex-count {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--pixel-gray);
}

.neodex-close {
    margin-left: auto;
    background: var(--pixel-red);
    color: var(--pixel-white);
    border: 2px solid var(--pixel-black);
    font-size: 1rem;
    width: 28px;
    height: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.neodex-close:hover {
    background: #c02020;
}

/* Neodex Grid */
.neodex-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.neodex-card {
    background: var(--pixel-light-gray);
    border: 3px solid var(--pixel-black);
    padding: 0.75rem;
    text-align: center;
    box-shadow: 3px 3px 0 var(--pixel-dark-gray);
}

.neodex-card.caught {
    background: var(--pixel-white);
}

.neodex-card.unknown {
    opacity: 0.7;
}

.neodex-sprite {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem auto;
    font-size: 3rem;
}

.neodex-sprite-img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    image-rendering: pixelated;
}

.neodex-name {
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--pixel-black);
    margin-bottom: 0.25rem;
}

.neodex-type {
    font-family: var(--font-pixel);
    font-size: 0.35rem;
    color: var(--pixel-white);
    background: var(--pixel-blue);
    padding: 0.15rem 0.3rem;
    display: inline-block;
    margin-bottom: 0.25rem;
}

.neodex-chapter {
    font-family: var(--font-pixel);
    font-size: 0.35rem;
    color: var(--pixel-gray);
}

.neodex-caught-at {
    font-family: var(--font-pixel);
    font-size: 0.3rem;
    color: var(--pixel-green);
    margin-top: 0.25rem;
}

/* Caught Popup */
.caught-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 15, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    animation: fadeIn 0.2s linear;
}

.caught-popup.hidden {
    display: none;
}

.caught-content {
    background: var(--pixel-white);
    padding: 2.5rem 3rem;
    text-align: center;
    border: 4px solid var(--pixel-black);
    box-shadow: 8px 8px 0 var(--pixel-black);
    animation: caughtPop 0.5s ease-out;
}

@keyframes caughtPop {
    0% {
        transform: scale(0.5) rotate(-10deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.1) rotate(5deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.caught-sprite {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: caughtBounce 0.5s ease-out infinite alternate;
}

@keyframes caughtBounce {
    from { transform: translateY(0); }
    to { transform: translateY(-10px); }
}

.caught-sprite-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    image-rendering: pixelated;
}

.caught-content h2 {
    font-family: var(--font-pixel);
    font-size: 0.9rem;
    color: var(--pixel-green);
    margin: 0 0 0.5rem 0;
}

.caught-content h3 {
    font-family: var(--font-pixel);
    font-size: 0.7rem;
    color: var(--pixel-black);
    margin: 0 0 0.75rem 0;
}

.caught-content p {
    font-size: 1rem;
    color: var(--pixel-dark-gray);
    margin: 0 0 0.5rem 0;
}

.badge-earned {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--pixel-yellow);
    background: var(--pixel-black);
    padding: 0.3rem 0.6rem;
    display: inline-block;
}

/* Professor Lua intro box */
.professor-intro {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--pixel-light-gray);
    border: 3px solid var(--pixel-black);
    box-shadow: 4px 4px 0 var(--pixel-dark-gray);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.professor-icon {
    font-size: 3rem;
    line-height: 1;
    flex-shrink: 0;
}

.professor-speech {
    flex: 1;
}

.professor-speech p {
    margin: 0 0 0.5rem 0;
    font-style: italic;
    color: var(--pixel-dark-gray);
}

.professor-speech p:last-child {
    margin-bottom: 0;
}

.professor-speech strong {
    color: var(--pixel-blue);
    font-style: normal;
}

/* NPC icon in chapter dialogues */
.npc-icon {
    font-size: 2.5rem;
    line-height: 1;
    flex-shrink: 0;
}

/* Responsive Neodex */
@media (max-width: 900px) {
    .neodex-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .neodex-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .neodex-content {
        padding: 1rem;
    }
}

/* =====================================================
   MOBILE WARNING
   ===================================================== */

.mobile-warning {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 99999;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
}

.mobile-warning-content {
    max-width: 320px;
    color: var(--text-bright);
}

.mobile-warning-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1.5rem;
}

.mobile-warning h2 {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.2rem;
    color: var(--pixel-yellow);
    margin-bottom: 1.5rem;
}

.mobile-warning p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    color: var(--text-bright);
}

@media (max-width: 768px) {
    .mobile-warning {
        display: flex;
    }
}