/* Estilos para Aulas de POO - Universo DC */

:root {
    --primary-color: #0066cc;
    --secondary-color: #004499;
    --accent-color: #ff6600;
    --bg-color: #ffffff;
    --card-bg: #f8f9fa;
    --text-color: #1a1a1a;
    --code-bg: #282c34;
    --code-text: #abb2bf;
    --border-color: #dee2e6;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding-top: 80px; /* Espaço para o header fixo */
}

/* Header */
.header {
    background: linear-gradient(135deg, #003d7a, #002244);
    color: #ffffff;
    padding: 0.8rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
    transform: translateY(0);
}

.header.hidden {
    transform: translateY(-100%);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
    color: #ffffff;
    text-shadow: 2px 2px 6px rgba(0,0,0,0.4);
    font-weight: 700;
}

.header p {
    font-size: 0.9rem;
    color: #e0e0e0;
    margin: 0;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

/* Navigation */
.nav {
    background-color: var(--card-bg);
    padding: 0.6rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav a {
    color: #0066cc;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s;
    font-weight: 500;
}

.nav a:hover {
    background-color: #0066cc;
    color: #ffffff;
}

.nav a.active {
    background-color: #0066cc;
    color: #ffffff;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem 2rem;
}

/* Card */
.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    border: 1px solid var(--border-color);
}

/* Typography */
h1 {
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-size: 2rem;
    font-weight: 700;
}

h2 {
    color: #1a1a1a;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.75rem;
    border-bottom: 3px solid #0066cc;
    padding-bottom: 0.5rem;
    font-weight: 600;
}

h3 {
    color: #2c2c2c;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 600;
}

h4 {
    color: #2c2c2c;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    text-align: justify;
    color: #1a1a1a;
    line-height: 1.7;
}

/* Code Blocks */
pre {
    background-color: var(--code-bg);
    color: var(--code-text);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    overflow-y: visible;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-left: 4px solid var(--accent-color);
    position: relative;
    max-width: 100%;
}

code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
}

pre code {
    display: block;
    white-space: pre;
    word-wrap: normal;
    overflow-wrap: normal;
    width: 100%;
    max-width: 100%;
    padding: 0;
    background: transparent;
    color: inherit;
}

/* Garantir que código seja totalmente visível */
pre code.language-csharp {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    white-space: pre !important;
    font-size: 0.95rem !important;
    line-height: 1.8 !important;
}

/* Destaque para comentários */
pre code .hljs-comment,
pre code .comment {
    color: #5c6370 !important;
    font-style: italic;
    background-color: rgba(92, 99, 112, 0.1);
    padding: 0 2px;
    border-radius: 2px;
}

/* Destaque para palavras-chave */
pre code .hljs-keyword {
    color: #c678dd !important;
    font-weight: 600;
}

/* Destaque para strings */
pre code .hljs-string {
    color: #98c379 !important;
}

/* Destaque para tipos */
pre code .hljs-type,
pre code .hljs-class {
    color: #e5c07b !important;
}

/* Garantir scroll horizontal quando necessário */
pre {
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--code-bg);
}

pre::-webkit-scrollbar {
    height: 8px;
}

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

pre::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

pre::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Inline Code */
p code, li code {
    background-color: #e9ecef;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    color: #c7254e;
    font-size: 0.9em;
    border: 1px solid #d1d5db;
}

/* Lists */
ul, ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background-color: var(--card-bg);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

th {
    background-color: #0066cc;
    color: #ffffff;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

tr:hover {
    background-color: #f8f9fa;
}

/* Links */
a {
    color: #0066cc;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

a:hover {
    color: #004499;
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #0066cc;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s;
    margin: 0.5rem;
    font-weight: 500;
}

.btn:hover {
    background-color: #004499;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: var(--accent-color);
}

.btn-secondary:hover {
    background-color: #e55a00;
}

/* Navigation Links */
.nav-links {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.nav-links a {
    padding: 0.75rem 1.5rem;
    background-color: #0066cc;
    color: #ffffff;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

.nav-links a:hover {
    background-color: #004499;
    color: #ffffff;
    transform: translateX(5px);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0 0.25rem;
}

.badge-success {
    background-color: var(--success-color);
    color: white;
}

.badge-warning {
    background-color: var(--warning-color);
    color: #333;
}

.badge-danger {
    background-color: var(--danger-color);
    color: white;
}

.badge-info {
    background-color: var(--primary-color);
    color: white;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 5px;
    margin: 1rem 0;
    border-left: 4px solid;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: var(--primary-color);
    color: #0c5460;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--success-color);
    color: #155724;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: var(--warning-color);
    color: #856404;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: var(--danger-color);
    color: #721c24;
}

/* Objectives */
.objective {
    background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
    color: #ffffff;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 2rem 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.objective h3 {
    color: #ffffff;
    border: none;
    margin-top: 0;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

.objective p {
    color: #e0e0e0;
}

/* Comparison Table */
.comparison-table {
    overflow-x: auto;
    margin: 2rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding-top: 70px; /* Menos espaço no mobile */
    }
    
    .header {
        padding: 0.6rem 0;
    }
    
    .header h1 {
        font-size: 1.3rem;
    }
    
    .header p {
        font-size: 0.8rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    pre {
        padding: 1rem;
        font-size: 0.85rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    table {
        font-size: 0.9rem;
    }
}

/* Print Styles */
@media print {
    .header, .nav, .nav-links {
        display: none;
    }
    
    .card {
        box-shadow: none;
        page-break-inside: avoid;
    }
    
    pre {
        page-break-inside: avoid;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

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

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