/**
 * Unified Notes Page Styles - Neobrutalism Design
 * Used by all course notes pages (MATH1081, MATH1131, COMP2521, COMP2041)
 * Version: 2.0.0
 *
 * This file provides consistent styling across all notes pages
 */

/* ===== BASE LAYOUT ===== */
.notes-page {
    font-family: var(--nb-font-primary);
    background-color: var(--nb-bg-light);
    color: var(--nb-text-primary);
    line-height: 1.7;
}

.notes-container {
    max-width: 72rem;
    margin-left: auto;
    margin-right: auto;
    padding: 1rem;
}

/* ===== HEADER STYLES ===== */
.notes-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 4px solid var(--nb-border-dark);
}

.notes-title {
    color: var(--nb-math);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.notes-subtitle {
    color: var(--nb-text-secondary);
    font-size: 1.1rem;
    margin: 0;
}

/* ===== NAVIGATION ===== */
.back-button {
    background-color: var(--nb-math);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--nb-border-dark);
    box-shadow: 4px 4px 0 var(--nb-border-dark);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    font-size: 0.875rem;
}

.back-button:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--nb-border-dark);
    color: #ffffff;
}

.back-button.comp-course {
    background-color: var(--nb-comp);
}

/* ===== CONTENT SECTIONS ===== */
.content-section {
    background: var(--nb-bg-white);
    border: 2px solid var(--nb-border-dark);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 6px 6px 0 var(--nb-border-dark);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--nb-math);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--nb-math);
    text-transform: uppercase;
}

.section-title.comp-course {
    color: var(--nb-comp);
    border-color: var(--nb-comp);
}

.subsection-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--nb-text-primary);
    margin: 1.5rem 0 1rem;
    padding-left: 1rem;
    border-left: 4px solid var(--nb-math);
}

.subsection-title.comp-course {
    border-left-color: var(--nb-comp);
}

/* ===== BOX COMPONENTS ===== */
/* Info Box - Blue */
.info-box {
    background: #e0f2fe;
    border: 2px solid #0ea5e9;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 4px 4px 0 #0ea5e9;
}

/* Formula Box - Yellow */
.formula-box {
    background: #fef3c7;
    border: 2px solid #f59e0b;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 4px 4px 0 #f59e0b;
    font-family: var(--nb-font-mono);
}

/* Example Box - Green */
.example-box {
    background: #f0fdf4;
    border: 2px solid #22c55e;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 4px 4px 0 #22c55e;
}

/* Warning Box - Red */
.warning-box {
    background: #fef2f2;
    border: 2px solid #ef4444;
    padding: 1rem;
    margin: 1rem 0;
    box-shadow: 4px 4px 0 #ef4444;
}

/* Tip/Key Point Box - Yellow */
.key-point, .tip-box {
    background: #fef3c7;
    border: 2px solid #f59e0b;
    padding: 1rem;
    margin: 1rem 0;
    box-shadow: 4px 4px 0 #f59e0b;
}

/* Success Box - Green */
.success-box {
    background: #f0fdf4;
    border: 2px solid #22c55e;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 4px 4px 0 #22c55e;
}

/* Memory Trick Box */
.memory-trick {
    background: #faf5ff;
    border: 2px solid #8b5cf6;
    padding: 1rem;
    margin: 1rem 0;
    box-shadow: 4px 4px 0 #8b5cf6;
}

/* Concept Box */
.concept-box {
    background: #e0f2fe;
    border: 2px solid #0ea5e9;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 4px 4px 0 #0ea5e9;
}

/* Notion Sync Badge */
.notion-sync {
    background: #e0f2fe;
    border: 2px solid #0284c7;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: #0369a1;
    margin-bottom: 1.5rem;
    box-shadow: 3px 3px 0 #0284c7;
}

/* Problem Highlight */
.problem-highlight {
    border: 2px solid #f59e0b;
    background: #fef3c7;
    padding: 1rem;
    margin: 0.5rem 0;
    box-shadow: 4px 4px 0 #f59e0b;
}

/* ===== CODE BLOCK ===== */
.code-block {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1rem;
    border: 2px solid var(--nb-border-dark);
    margin: 1rem 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    box-shadow: 4px 4px 0 var(--nb-border-dark);
    white-space: pre;
    line-height: 1.6;
}

.code-block .prompt {
    color: #4ec9b0;
    font-weight: bold;
}

.code-block .command {
    color: #ce9178;
}

.code-block .output {
    color: #6a9955;
}

/* ===== TABLES ===== */
.info-table, .comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    border: 2px solid var(--nb-border-dark);
    box-shadow: 4px 4px 0 var(--nb-border-dark);
}

.info-table th, .info-table td,
.comparison-table th, .comparison-table td {
    border: 1px solid var(--nb-border-dark);
    padding: 0.75rem;
    text-align: left;
}

.info-table th, .comparison-table th {
    background: var(--nb-math);
    color: #ffffff;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.info-table th.comp-course, .comparison-table th.comp-course {
    background: var(--nb-comp);
}

/* ===== QUIZ LINK ===== */
.quiz-link, .quiz-button {
    background-color: #8b5cf6;
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--nb-border-dark);
    box-shadow: 4px 4px 0 var(--nb-border-dark);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.1s;
    display: inline-block;
    margin: 1rem 0;
    text-transform: uppercase;
}

.quiz-link:hover, .quiz-button:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--nb-border-dark);
    color: #ffffff;
}

/* ===== TOPIC NAV ===== */
.topic-nav {
    background: var(--nb-bg-alt);
    border: 2px solid var(--nb-border-dark);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 4px 4px 0 var(--nb-border-dark);
}

.topic-nav a {
    color: var(--nb-math);
    text-decoration: none;
    margin-right: 1rem;
    font-weight: 600;
}

.topic-nav a:hover {
    text-decoration: underline;
}

.topic-nav-title {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--nb-math);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

/* ===== PILLS & BADGES ===== */
.pill {
    display: inline-block;
    background: var(--nb-bg-white);
    border: 2px solid var(--nb-border-dark);
    color: var(--nb-text-primary);
    padding: 0.25rem 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 2px 2px 0 var(--nb-border-dark);
}

.pill-important {
    background: #fef3c7;
    border-color: #f59e0b;
    box-shadow: 2px 2px 0 #f59e0b;
    color: #d97706;
}

.update-badge {
    background: #dc2626;
    color: #fff;
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

/* ===== STEP NUMBER ===== */
.step-number {
    background: var(--nb-math);
    color: #fff;
    border: 2px solid var(--nb-border-dark);
    width: 2rem;
    height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 0.5rem;
    box-shadow: 2px 2px 0 var(--nb-border-dark);
}

.step-number.comp-course {
    background: var(--nb-comp);
}

/* ===== GRID LAYOUTS ===== */
.two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.three-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .two-col {
        grid-template-columns: 1fr 1fr;
    }
    .three-col {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

/* ===== SVG WRAP ===== */
.svg-wrap {
    display: flex;
    justify-content: center;
    margin: 0.75rem 0;
}

.svg-wrap svg {
    max-width: 100%;
    height: auto;
}

/* ===== COMMAND HEADER ===== */
.command-header {
    background: var(--nb-bg-alt);
    border: 2px solid var(--nb-border-dark);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 6px 6px 0 var(--nb-border-dark);
    text-align: center;
}

.command-header h1 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.command-header .tagline {
    font-size: 1.1rem;
    color: var(--nb-text-secondary);
}

/* ===== DARK MODE ===== */
[data-theme='dark'] .notes-page,
html.dark .notes-page {
    background-color: #1A1A1A;
    color: #FFFFFF;
}

[data-theme='dark'] .notes-container,
html.dark .notes-container {
    background-color: #2A2A2A;
    border-color: #FFFFFF;
    box-shadow: 6px 6px 0 #FFFFFF;
}

[data-theme='dark'] .content-section,
html.dark .content-section {
    background-color: #2A2A2A;
    border-color: #555;
    box-shadow: 6px 6px 0 #FFFFFF;
}

[data-theme='dark'] .section-title,
html.dark .section-title {
    color: #4fd1c5;
    border-color: #4fd1c5;
}

[data-theme='dark'] .back-button,
html.dark .back-button {
    background-color: #1a7f7f;
    border-color: #FFFFFF;
    box-shadow: 4px 4px 0 #FFFFFF;
}

[data-theme='dark'] .back-button:hover,
html.dark .back-button:hover {
    box-shadow: 2px 2px 0 #FFFFFF;
}

[data-theme='dark'] .info-box,
html.dark .info-box {
    background-color: #1e3a5f;
    border-color: #38bdf8;
    box-shadow: 4px 4px 0 #38bdf8;
}

[data-theme='dark'] .formula-box,
html.dark .formula-box {
    background-color: #3a3a1a;
    border-color: #fbbf24;
    box-shadow: 4px 4px 0 #fbbf24;
}

[data-theme='dark'] .example-box,
html.dark .example-box {
    background-color: #1a3a2a;
    border-color: #4ade80;
    box-shadow: 4px 4px 0 #4ade80;
}

[data-theme='dark'] .warning-box,
html.dark .warning-box {
    background-color: #3a1a1a;
    border-color: #f87171;
    box-shadow: 4px 4px 0 #f87171;
}

[data-theme='dark'] .key-point,
[data-theme='dark'] .tip-box,
html.dark .key-point,
html.dark .tip-box {
    background-color: #3a3a1a;
    border-color: #fbbf24;
    box-shadow: 4px 4px 0 #fbbf24;
}

[data-theme='dark'] .memory-trick,
html.dark .memory-trick {
    background-color: #2a1a3a;
    border-color: #c084fc;
    box-shadow: 4px 4px 0 #c084fc;
}

[data-theme='dark'] h1, [data-theme='dark'] h2, [data-theme='dark'] h3, [data-theme='dark'] h4,
html.dark h1, html.dark h2, html.dark h3, html.dark h4 {
    color: #FFFFFF !important;
}

[data-theme='dark'] p, [data-theme='dark'] li,
html.dark p, html.dark li {
    color: #CCCCCC !important;
}

[data-theme='dark'] a,
html.dark a {
    color: #ff9980 !important;
}

[data-theme='dark'] a:hover,
html.dark a:hover {
    color: #ffb3a0 !important;
}

[data-theme='dark'] strong,
html.dark strong {
    color: #FFFFFF !important;
}

[data-theme='dark'] code,
html.dark code {
    background-color: #333;
    border-color: #666;
    color: #e5e5e5;
}

[data-theme='dark'] pre,
html.dark pre {
    background-color: #333;
    color: #e5e5e5;
}

[data-theme='dark'] table,
html.dark table {
    border-color: #FFFFFF;
    box-shadow: 4px 4px 0 #FFFFFF;
}

[data-theme='dark'] th,
html.dark th {
    background-color: #1a7f7f;
}

[data-theme='dark'] td,
html.dark td {
    border-color: #555;
}

[data-theme='dark'] tr:nth-child(even),
html.dark tr:nth-child(even) {
    background-color: #333;
}

[data-theme='dark'] tr:nth-child(odd),
html.dark tr:nth-child(odd) {
    background-color: #2A2A2A;
}

[data-theme='dark'] .topic-nav,
html.dark .topic-nav {
    background-color: #2A2A2A;
    border-color: #FFFFFF;
    box-shadow: 4px 4px 0 #FFFFFF;
}

[data-theme='dark'] .topic-nav a,
html.dark .topic-nav a {
    color: #4fd1c5;
}

[data-theme='dark'] .notion-sync,
html.dark .notion-sync {
    background-color: #1e3a5f;
    border-color: #38bdf8;
    box-shadow: 3px 3px 0 #38bdf8;
    color: #93c5fd;
}

[data-theme='dark'] .command-header,
html.dark .command-header {
    background-color: #1A1A1A;
    border-color: #555;
    box-shadow: 6px 6px 0 #FFFFFF;
}