/* 
 * Professional CSS Stylesheet for Arbitration and Conciliation Act, 1996 - Part II
 * Educational Resource with RGB Color Scheme
 */

/* ============================================
   CSS VARIABLES & ROOT STYLES
   ============================================ */
:root {
    /* Primary Colors */
    --primary-bg: rgb(245, 248, 250);
    --secondary-bg: rgb(255, 255, 255);
    --accent-color: rgb(25, 55, 95);
    --accent-light: rgb(45, 85, 135);
    --accent-lighter: rgb(70, 120, 180);
    
    /* Text Colors */
    --text-primary: rgb(30, 35, 45);
    --text-secondary: rgb(60, 70, 85);
    --text-light: rgb(255, 255, 255);
    
    /* Border Colors */
    --border-primary: rgb(200, 210, 225);
    --border-accent: rgb(25, 55, 95);
    --border-light: rgb(230, 235, 240);
    
    /* Highlight Colors */
    --highlight-yellow: rgb(255, 248, 220);
    --highlight-green: rgb(232, 245, 233);
    --highlight-blue: rgb(227, 242, 253);
    --highlight-red: rgb(255, 235, 238);
    --highlight-purple: rgb(243, 229, 245);
    
    /* Button Colors */
    --btn-primary: rgb(25, 55, 95);
    --btn-hover: rgb(45, 85, 135);
    --btn-active: rgb(15, 40, 70);
    
    /* Shadow */
    --shadow-light: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.12);
    --shadow-dark: rgba(0, 0, 0, 0.18);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ============================================
   BASE STYLES & RESET
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.7;
    font-weight: 500;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--accent-color);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--accent-light);
}

p {
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

strong {
    font-weight: 700;
    color: var(--accent-color);
}

ul, ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

li {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

/* ============================================
   HEADER STYLES
   ============================================ */
.main-header {
    background: linear-gradient(135deg, rgb(25, 55, 95) 0%, rgb(45, 85, 135) 50%, rgb(65, 105, 155) 100%);
    color: var(--text-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    position: relative;
    box-shadow: 0 4px 15px var(--shadow-dark);
}

.main-header h1 {
    color: var(--text-light);
    font-size: 2.8rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.main-header h2 {
    color: rgb(200, 220, 255);
    font-size: 1.8rem;
    border-bottom: none;
    margin-top: var(--spacing-sm);
}

.main-header .subtitle {
    color: rgb(180, 200, 235);
    font-size: 1.2rem;
    font-style: italic;
    margin-top: var(--spacing-sm);
}

.print-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: rgb(255, 255, 255);
    color: var(--accent-color);
    border: 2px solid rgb(255, 255, 255);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.print-btn:hover {
    background-color: var(--accent-color);
    color: var(--text-light);
    transform: scale(1.05);
}

/* ============================================
   NAVIGATION STYLES
   ============================================ */
.main-nav {
    background-color: rgb(35, 65, 105);
    padding: var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow-medium);
}

.nav-title {
    color: var(--text-light);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.nav-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
}

.nav-btn {
    background-color: rgb(55, 95, 145);
    color: var(--text-light);
    border: 2px solid rgb(75, 115, 165);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background-color: rgb(255, 255, 255);
    color: var(--accent-color);
    border-color: rgb(255, 255, 255);
    transform: translateY(-2px);
}

/* ============================================
   TABLE OF CONTENTS
   ============================================ */
.toc-section {
    background-color: var(--secondary-bg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 3px solid var(--border-primary);
    box-shadow: 0 4px 15px var(--shadow-light);
}

.toc-section h2 {
    text-align: center;
    color: var(--accent-color);
}

.toc-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.toc-column h3 {
    color: var(--accent-light);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--accent-lighter);
    margin-bottom: var(--spacing-md);
}

.toc-column ul {
    list-style: none;
    margin-left: 0;
}

.toc-column li {
    margin-bottom: var(--spacing-xs);
}

.toc-btn {
    background-color: var(--highlight-blue);
    color: var(--accent-color);
    border: 2px solid var(--border-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    width: 100%;
    text-align: left;
    transition: all 0.3s ease;
}

.toc-btn:hover {
    background-color: var(--accent-color);
    color: var(--text-light);
    border-color: var(--accent-color);
    transform: translateX(5px);
}

/* ============================================
   MAIN CONTENT STYLES
   ============================================ */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.content-section {
    background-color: var(--secondary-bg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 3px solid var(--border-primary);
    box-shadow: 0 4px 15px var(--shadow-light);
}

/* ============================================
   CHAPTER SECTION STYLES
   ============================================ */
.chapter-section {
    margin-bottom: var(--spacing-xl);
}

.chapter-section > h2 {
    background: linear-gradient(135deg, rgb(25, 55, 95) 0%, rgb(45, 85, 135) 100%);
    color: var(--text-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    border: none;
}

.chapter-intro {
    background-color: var(--highlight-yellow);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 5px solid rgb(255, 193, 7);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   SECTION ARTICLE STYLES
   ============================================ */
.section-article {
    background-color: var(--secondary-bg);
    border: 3px solid var(--border-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.section-article:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.section-header {
    background: linear-gradient(135deg, rgb(45, 85, 135) 0%, rgb(65, 105, 155) 100%);
    color: var(--text-light);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.section-header h3 {
    color: var(--text-light);
    margin: 0;
}

.section-badge {
    background-color: rgb(255, 193, 7);
    color: rgb(30, 35, 45);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.section-content {
    padding: var(--spacing-lg);
}

/* ============================================
   CONTENT BOX STYLES
   ============================================ */
.explanation-box {
    background-color: var(--highlight-blue);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 5px solid rgb(33, 150, 243);
    margin-bottom: var(--spacing-md);
}

.explanation-box h4 {
    color: rgb(21, 101, 192);
    margin-bottom: var(--spacing-sm);
}

.example-box {
    background-color: var(--highlight-green);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 5px solid rgb(76, 175, 80);
    margin-bottom: var(--spacing-md);
}

.example-box h4 {
    color: rgb(56, 142, 60);
    margin-bottom: var(--spacing-sm);
}

.case-law-box {
    background-color: var(--highlight-purple);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 5px solid rgb(156, 39, 176);
}

.case-law-box h4 {
    color: rgb(123, 31, 162);
    margin-bottom: var(--spacing-sm);
}

.case-name {
    font-size: 1.1rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
}

.citation {
    font-style: italic;
    color: rgb(100, 100, 100);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.case-summary {
    font-weight: 500;
}

.key-point {
    background-color: var(--highlight-yellow);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 2px dashed rgb(255, 152, 0);
    margin-top: var(--spacing-md);
}

.key-point h4 {
    color: rgb(230, 126, 34);
}

.overview-box {
    background-color: var(--highlight-blue);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

/* ============================================
   TABLE STYLES
   ============================================ */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    font-weight: 500;
}

.info-table th {
    background-color: var(--accent-color);
    color: var(--text-light);
    padding: var(--spacing-sm);
    text-align: left;
    font-weight: 700;
    border: 2px solid var(--accent-color);
}

.info-table td {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-primary);
    background-color: var(--secondary-bg);
    font-weight: 500;
}

.info-table tr:nth-child(even) td {
    background-color: rgb(248, 250, 252);
}

.info-table tr:hover td {
    background-color: var(--highlight-blue);
}

.comparison-table-container {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.comparison-table th {
    background-color: var(--accent-color);
    color: var(--text-light);
    padding: var(--spacing-md);
    text-align: center;
    font-weight: 700;
    border: 2px solid var(--accent-color);
}

.comparison-table td {
    padding: var(--spacing-md);
    border: 2px solid var(--border-primary);
    text-align: center;
    font-weight: 500;
}

.comparison-table tr:nth-child(even) td {
    background-color: rgb(248, 250, 252);
}

.comparison-table tr:hover td {
    background-color: var(--highlight-blue);
}

/* ============================================
   VISUAL SECTION STYLES (Flowchart, Mind Map, Roadmap)
   ============================================ */
.visual-section {
    background-color: var(--secondary-bg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 3px solid var(--border-primary);
    box-shadow: 0 4px 15px var(--shadow-light);
}

.visual-section h2 {
    text-align: center;
}

/* Flowchart Container */
.flowchart-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    overflow-x: auto;
}

.flowchart-box {
    background: linear-gradient(135deg, rgb(45, 85, 135) 0%, rgb(65, 105, 155) 100%);
    color: var(--text-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 700;
    min-width: 200px;
    max-width: 300px;
    margin: var(--spacing-xs) 0;
    box-shadow: 0 4px 10px var(--shadow-medium);
}

.flowchart-box.start {
    background: linear-gradient(135deg, rgb(76, 175, 80) 0%, rgb(56, 142, 60) 100%);
    border-radius: 50px;
}

.flowchart-box.end {
    background: linear-gradient(135deg, rgb(244, 67, 54) 0%, rgb(211, 47, 47) 100%);
    border-radius: 50px;
}

.flowchart-box.decision {
    background: linear-gradient(135deg, rgb(255, 193, 7) 0%, rgb(255, 160, 0) 100%);
    color: var(--text-primary);
    transform: rotate(0deg);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    padding: var(--spacing-lg);
    min-width: 180px;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flowchart-arrow {
    width: 4px;
    height: 30px;
    background-color: var(--accent-color);
    position: relative;
}

.flowchart-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 15px solid var(--accent-color);
}

.flowchart-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-sm) 0;
}

.flowchart-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.flowchart-label {
    font-weight: 700;
    color: var(--accent-color);
    margin: var(--spacing-xs);
    font-size: 0.9rem;
}

/* Mind Map Container */
.mindmap-container {
    display: flex;
    justify-content: center;
    padding: var(--spacing-lg);
    overflow-x: auto;
}

.mindmap-center {
    background: linear-gradient(135deg, rgb(25, 55, 95) 0%, rgb(45, 85, 135) 100%);
    color: var(--text-light);
    padding: var(--spacing-lg);
    border-radius: 50%;
    text-align: center;
    font-weight: 700;
    font-size: 1.2rem;
    min-width: 150px;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px var(--shadow-dark);
}

.mindmap-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.mindmap-branch-left,
.mindmap-branch-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mindmap-item {
    background-color: var(--highlight-blue);
    color: var(--accent-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    border: 2px solid var(--accent-lighter);
    position: relative;
    white-space: nowrap;
}

.mindmap-item.chapter1 {
    background-color: var(--highlight-green);
    border-color: rgb(76, 175, 80);
}

.mindmap-item.chapter2 {
    background-color: var(--highlight-purple);
    border-color: rgb(156, 39, 176);
}

.mindmap-connector {
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

/* Roadmap Container */
.roadmap-container {
    padding: var(--spacing-lg);
    position: relative;
}

.roadmap-timeline {
    position: relative;
    padding-left: 30px;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, rgb(76, 175, 80), rgb(33, 150, 243), rgb(156, 39, 176), rgb(244, 67, 54));
    border-radius: 2px;
}

.roadmap-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
}

.roadmap-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 10px;
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    border-radius: 50%;
    border: 4px solid var(--secondary-bg);
    box-shadow: 0 2px 8px var(--shadow-medium);
}

.roadmap-item.step1::before {
    background-color: rgb(76, 175, 80);
}

.roadmap-item.step2::before {
    background-color: rgb(33, 150, 243);
}

.roadmap-item.step3::before {
    background-color: rgb(255, 152, 0);
}

.roadmap-item.step4::before {
    background-color: rgb(156, 39, 176);
}

.roadmap-item.step5::before {
    background-color: rgb(244, 67, 54);
}

.roadmap-content {
    background-color: var(--secondary-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-primary);
    box-shadow: 0 2px 10px var(--shadow-light);
}

.roadmap-content h4 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
}

.roadmap-content p {
    margin: 0;
    font-weight: 500;
}

/* ============================================
   FOOTER STYLES
   ============================================ */
.main-footer {
    background: linear-gradient(135deg, rgb(25, 55, 95) 0%, rgb(35, 65, 105) 100%);
    color: var(--text-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.disclaimer-box {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 2px solid rgba(255, 255, 255, 0.2);
    margin-bottom: var(--spacing-lg);
}

.disclaimer-box h3 {
    color: rgb(255, 193, 7);
    margin-bottom: var(--spacing-sm);
}

.disclaimer-box p {
    color: rgb(200, 210, 230);
    font-weight: 500;
}

.footer-info {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-info p {
    color: rgb(180, 200, 230);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--accent-color);
    color: var(--text-light);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-dark);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--btn-hover);
    transform: translateY(-5px);
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    body {
        background-color: white;
        color: black;
        font-size: 12pt;
    }
    
    .main-header {
        background: none;
        color: black;
        border-bottom: 3px solid black;
    }
    
    .main-header h1,
    .main-header h2 {
        color: black;
        text-shadow: none;
    }
    
    .main-nav,
    .print-btn,
    .back-to-top,
    .nav-buttons {
        display: none !important;
    }
    
    .section-article,
    .content-section,
    .visual-section {
        box-shadow: none;
        border: 1px solid black;
        page-break-inside: avoid;
    }
    
    .section-header {
        background: none;
        color: black;
        border-bottom: 2px solid black;
    }
    
    .section-header h3,
    .chapter-section > h2 {
        color: black;
    }
    
    .flowchart-box,
    .mindmap-center,
    .mindmap-item {
        background: none;
        border: 2px solid black;
        color: black;
    }
    
    .info-table th {
        background-color: #ddd;
        color: black;
    }
    
    a {
        color: black;
        text-decoration: none;
    }
    
    .toc-btn {
        background: none;
        border: 1px solid black;
        color: black;
    }
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media screen and (max-width: 1024px) {
    .main-content {
        padding: var(--spacing-md);
    }
    
    .toc-container {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .main-header {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .main-header h1 {
        font-size: 2rem;
    }
    
    .main-header h2 {
        font-size: 1.4rem;
    }
    
    .print-btn {
        position: relative;
        margin-top: var(--spacing-md);
        top: auto;
        right: auto;
    }
    
    .nav-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-btn {
        width: 100%;
        text-align: center;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .flowchart-row {
        flex-direction: column;
    }
    
    .mindmap-wrapper {
        flex-direction: column;
    }
    
    .comparison-table {
        font-size: 0.85rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

@media screen and (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .main-header h1 {
        font-size: 1.6rem;
    }
    
    .toc-section,
    .content-section,
    .visual-section,
    .section-content {
        padding: var(--spacing-md);
    }
    
    .info-table th,
    .info-table td {
        padding: var(--spacing-xs);
        font-size: 0.85rem;
    }
}