/* styles.css - Shared styles for AI & Tech Course */
/* Light mode override - add "mode-light" class to body for white background */
body.mode-light {
    background-color: #ffffff;
}
body.mode-light .container {
    background: #ffffff;
}
body.mode-light .rule-box,
body.mode-light .tip-box,
body.mode-light .warning-box,
body.mode-light .code-box,
body.mode-light .toc,
body.mode-light .level-card,
body.mode-light .stats-row,
body.mode-light .info-box {
    background: #f5f5f5;
    border-color: #e0e0e0;
}
body.mode-light h1,
body.mode-light h2,
body.mode-light h3,
body.mode-light .rule-box strong,
body.mode-light .tip-box strong {
    color: #1a1d24;
}
body.mode-light code {
    background: #e8e8e8;
    color: #d9534f;
}
body.mode-light pre {
    background: #f0f0f0;
    border-color: #ddd;
}
body.mode-light nav a {
    background-color: #e0e0e0;
    color: #1a1d24;
}
body.mode-light nav a:hover {
    background: #f59e0b;
    color: #1a1d24;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Mono', Monaco, 'Courier New', monospace;
    line-height: 1.6;
    background-color: #0a0c10;
    color: #e4e4e7;
    padding: 20px;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    background: #0f1117;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    overflow: hidden;
    padding: 30px;
}

/* Menu styles */
nav {
    background: #111318;
    padding: 15px 30px;
    border-radius: 40px;
    margin-bottom: 30px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    border: 1px solid #22252e;
}
nav a {
    color: #e4e4e7;
    text-decoration: none;
    font-weight: bold;
    padding: 8px 18px;
    border-radius: 30px;
    background-color: #1a1d24;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}
nav a:hover {
    background: #f59e0b;
    color: #0a0c10;
    transform: translateY(-2px);
}

/* Headings */
h1, h2, h3 {
    color: white;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}
h1 {
    text-align: center;
    border-bottom: 3px solid #fbbf24;
    display: inline-block;
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-size: 2rem;
}
h2 {
    border-left: 8px solid #f59e0b;
    padding-left: 15px;
    margin-top: 2em;
}
h3 {
    margin-top: 1.2em;
    color: #fcd34d;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.2em 0;
    background: #111318;
    border-radius: 12px;
    overflow: hidden;
}
th, td {
    border: 1px solid #22252e;
    padding: 10px 12px;
    text-align: left;
}
th {
    background: #1a1d24;
    color: #fcd34d;
    font-weight: bold;
}
tr:nth-child(even) {
    background-color: #0f1117;
}

/* Callout boxes */
.rule-box, .tip-box, .warning-box, .code-box {
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 16px;
    border-left: 8px solid;
}
.rule-box {
    background: #111318;
    border-left-color: #fbbf24;
    border: 1px solid #22252e;
}
.tip-box {
    background: #111318;
    border-left-color: #10b981;
    border: 1px solid #22252e;
}
.warning-box {
    background: #111318;
    border-left-color: #ef4444;
    border: 1px solid #22252e;
}
.code-box {
    background: #0a0c10;
    border-left-color: #f59e0b;
    border: 1px solid #22252e;
}
.rule-box strong, .tip-box strong, .warning-box strong, .code-box strong {
    display: block;
    font-size: 1.1em;
    margin-bottom: 8px;
    color: white;
}

/* Code blocks */
pre {
    background: #0a0c10;
    padding: 15px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 1em 0;
    border: 1px solid #22252e;
    font-size: 0.85rem;
}
code {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    background: #1a1d24;
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.9em;
    color: #fbbf24;
}
pre code {
    background: none;
    padding: 0;
    color: #e4e4e7;
}

/* Icons */
.icon {
    font-size: 1.2em;
    margin-right: 8px;
}

/* Lists */
ul, ol {
    margin: 1em 0 1em 2em;
}
li {
    margin: 0.4em 0;
}

/* Terminology */
.term {
    font-weight: bold;
    color: #fbbf24;
}
.tool {
    font-weight: bold;
    color: #10b981;
}

/* Table of contents */
.toc {
    background: #111318;
    padding: 20px;
    border-radius: 24px;
    margin-bottom: 30px;
    border: 1px solid #22252e;
}
.toc h3 {
    margin-top: 0;
    margin-bottom: 10px;
}
.toc ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0;
}
.toc li {
    margin: 0;
}
.toc a {
    background: #0f1117;
    padding: 6px 14px;
    border-radius: 30px;
    text-decoration: none;
    color: #fcd34d;
    border: 1px solid #22252e;
    transition: 0.2s;
}
.toc a:hover {
    background: #f59e0b;
    color: #0a0c10;
    border-color: #f59e0b;
}

/* Exercise items */
.exercise-item {
    background: #111318;
    border-left: 5px solid #f59e0b;
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 15px;
}
.exercise-item strong {
    color: #f59e0b;
}
.answer-btn {
    background: #f59e0b;
    color: #0a0c10;
    border: none;
    padding: 8px 20px;
    border-radius: 30px;
    cursor: pointer;
    margin-top: 15px;
    font-size: 0.85rem;
    font-weight: bold;
    transition: background 0.2s;
}
.answer-btn:hover {
    background: #fbbf24;
}
.answers {
    margin-top: 15px;
    padding: 12px;
    background: #0f1117;
    border-radius: 12px;
    display: none;
    border: 1px solid #22252e;
}
.answers.show {
    display: block;
}
.prompt {
    background: #0a0c10;
    border-left: 4px solid #fbbf24;
    padding: 10px 15px;
    border-radius: 8px;
    margin: 10px 0;
    font-family: monospace;
}

/* Mermaid diagrams */
.mermaid {
    background: #111318;
    padding: 20px;
    border-radius: 12px;
    margin: 20px 0;
    text-align: center;
}

/* Footer */
footer {
    margin-top: 40px;
    text-align: center;
    font-size: 0.85em;
    color: #5a5e6e;
    border-top: 1px solid #22252e;
    padding-top: 20px;
}

/* Responsive */
@media (max-width: 700px) {
    .container {
        padding: 15px;
    }
    nav {
        flex-direction: column;
        align-items: center;
    }
    .toc ul {
        flex-direction: column;
        align-items: center;
    }
    pre {
        font-size: 0.7rem;
    }
}

/* ============================================ */
/* LIGHT MODE SUPPORT - Add class "mode-light" to body */
/* ============================================ */

body.mode-light {
    background-color: #f0f2f5;
    color: #1a1a2e;
}

body.mode-light .container {
    background: #ffffff;
    color: #1a1a2e;
}

/* Navigation in light mode */
body.mode-light nav {
    background: #e8eaed;
    border-color: #d0d4d8;
}

body.mode-light nav a {
    background-color: #d0d4d8;
    color: #1a1a2e;
}

body.mode-light nav a:hover {
    background: #f59e0b;
    color: #ffffff;
}

/* Headings in light mode */
body.mode-light h1,
body.mode-light h2,
body.mode-light h3 {
    color: #1a1a2e;
}

body.mode-light h2 {
    border-left-color: #f59e0b;
}

body.mode-light h3 {
    color: #2c3e50;
}

/* Tables in light mode */
body.mode-light table {
    background: #ffffff;
    border-color: #d0d4d8;
}

body.mode-light th,
body.mode-light td {
    border-color: #d0d4d8;
    color: #1a1a2e;
}

body.mode-light th {
    background: #e8eaed;
    color: #1a1a2e;
}

body.mode-light tr:nth-child(even) {
    background-color: #f8f9fa;
}

/* Callout boxes in light mode */
body.mode-light .rule-box,
body.mode-light .tip-box,
body.mode-light .warning-box,
body.mode-light .code-box {
    background: #f8f9fa;
    border: 1px solid #d0d4d8;
    color: #1a1a2e;
}

body.mode-light .rule-box strong,
body.mode-light .tip-box strong,
body.mode-light .warning-box strong,
body.mode-light .code-box strong {
    color: #1a1a2e;
}

body.mode-light .rule-box {
    border-left-color: #f59e0b;
}

body.mode-light .tip-box {
    border-left-color: #10b981;
}

body.mode-light .warning-box {
    border-left-color: #ef4444;
}

body.mode-light .code-box {
    border-left-color: #f59e0b;
}

/* Code blocks in light mode */
body.mode-light pre {
    background: #f0f2f5;
    border-color: #d0d4d8;
}

body.mode-light pre code {
    color: #1a1a2e;
}

body.mode-light code {
    background: #e8eaed;
    color: #d9534f;
}

/* Terminology and tools in light mode */
body.mode-light .term {
    color: #e67e22;
}

body.mode-light .tool {
    color: #059669;
}

/* Table of contents in light mode */
body.mode-light .toc {
    background: #f8f9fa;
    border-color: #d0d4d8;
}

body.mode-light .toc a {
    background: #ffffff;
    color: #1a1a2e;
    border-color: #d0d4d8;
}

body.mode-light .toc a:hover {
    background: #f59e0b;
    color: #ffffff;
    border-color: #f59e0b;
}

/* Exercise items in light mode */
body.mode-light .exercise-item {
    background: #f8f9fa;
    border-left-color: #f59e0b;
}

body.mode-light .exercise-item strong {
    color: #e67e22;
}

body.mode-light .answer-btn {
    background: #e67e22;
    color: #ffffff;
}

body.mode-light .answer-btn:hover {
    background: #f59e0b;
}

body.mode-light .answers {
    background: #f0f2f5;
    border-color: #d0d4d8;
    color: #1a1a2e;
}

/* Level cards in light mode */
body.mode-light .level-card,
body.mode-light .module-card {
    background: #ffffff;
    border-color: #d0d4d8;
}

body.mode-light .level-card p,
body.mode-light .module-card p {
    color: #4a5568;
}

body.mode-light .level-card h3,
body.mode-light .module-card h3 {
    color: #e67e22;
}

body.mode-light .module-list a {
    color: #1a1a2e;
}

body.mode-light .module-list a:hover {
    color: #e67e22;
}

/* Stats row in light mode */
body.mode-light .stats-row,
body.mode-light .info-box,
body.mode-light .hero,
body.mode-light .progress-section,
body.mode-light .completion-box {
    background: #f8f9fa;
    border-color: #d0d4d8;
}

body.mode-light .hero h1 {
    background: linear-gradient(135deg, #e67e22, #f59e0b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

body.mode-light .hero p {
    color: #4a5568;
}

body.mode-light .stat-number {
    color: #e67e22;
}

body.mode-light .stat-label {
    color: #4a5568;
}

body.mode-light .badge {
    background: #e67e22;
    color: #ffffff;
}

body.mode-light .hero-badge {
    background: #e8eaed;
    color: #e67e22;
}

/* Progress bar in light mode */
body.mode-light .progress-bar {
    background: #e8eaed;
}

/* Footer in light mode */
body.mode-light footer {
    color: #6c757d;
    border-top-color: #d0d4d8;
}

/* All other text elements */
body.mode-light p,
body.mode-light li,
body.mode-light ul,
body.mode-light ol,
body.mode-light span:not(.term):not(.tool),
body.mode-light div:not(.rule-box):not(.tip-box):not(.warning-box):not(.code-box) {
    color: #1a1a2e;
}

/* Strong/bold elements */
body.mode-light strong,
body.mode-light b {
    color: #1a1a2e;
}

/* Links */
body.mode-light a {
    color: #e67e22;
}

body.mode-light a:hover {
    color: #f59e0b;
}

/* Prompt class */
body.mode-light .prompt {
    background: #f0f2f5;
    border-left-color: #f59e0b;
}

/* Audio note */
body.mode-light .audio-note {
    background: #fef8ed;
    color: #e67e22;
}

/* Credit Section with Logo */
.credit-section {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #2a2f3e;
}
body.mode-light .credit-section {
    border-top-color: #d0d4d8;
}
.credit-section p {
    margin: 5px 0;
}
.company-credit {
    font-size: 0.85rem;
    color: #9ca3af;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}
.company-logo {
    height: 24px;
    width: auto;
    vertical-align: middle;
}
.company-credit a {
    color: #fbbf24;
    text-decoration: none;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
body.mode-light .company-credit a {
    color: #e67e22;
}
.company-credit a:hover {
    text-decoration: underline;
}