:root {
    /* Light Theme Colors */
    --light-primary: #FF8C00;
    /* Laranja */
    --light-secondary: #FFD700;
    /* Amarelo */
    --light-bg: #FFFFFF;
    /* Branco */
    --light-surface: #F5F5F5;
    /* Cinza claro */
    --light-text: #1A1A1A;
    /* Texto escuro */
    --light-text-secondary: #666666;
    /* Texto secundário */
    --light-border: #E0E0E0;
    /* Bordas */
    --light-code-bg: #F8F8F8;
    /* Background de código */
    --light-hover: #FFA500;
    /* Hover laranja */

    /* Dark Theme Colors */
    --dark-primary: #FF8C00;
    /* Laranja */
    --dark-secondary: #FFD700;
    /* Amarelo */
    --dark-bg: #0D1117;
    /* Cinza espacial escuro */
    --dark-surface: #161B22;
    /* Cinza espacial surface */
    --dark-text: #E6E6E6;
    /* Texto claro */
    --dark-text-secondary: #8B949E;
    /* Texto secundário */
    --dark-border: #30363D;
    /* Bordas */
    --dark-code-bg: #1C2128;
    /* Background de código */
    --dark-hover: #FFA500;
    /* Hover laranja */

    /* Default to light theme */
    --primary: var(--light-primary);
    --secondary: var(--light-secondary);
    --bg: var(--light-bg);
    --surface: var(--light-surface);
    --text: var(--light-text);
    --text-secondary: var(--light-text-secondary);
    --border: var(--light-border);
    --code-bg: var(--light-code-bg);
    --hover: var(--light-hover);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Fira Code', 'Courier New', Courier, monospace;
}

[data-theme="dark"] {
    --primary: var(--dark-primary);
    --secondary: var(--dark-secondary);
    --bg: var(--dark-bg);
    --surface: var(--dark-surface);
    --text: var(--dark-text);
    --text-secondary: var(--dark-text-secondary);
    --border: var(--dark-border);
    --code-bg: var(--dark-code-bg);
    --hover: var(--dark-hover);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: var(--transition);
}

/* Header */
header {
    background-color: var(--surface);
    border-bottom: 2px solid var(--primary);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text);
}

.logo-icon {
    font-size: 2rem;
}

.logo-text h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Navigation */
nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.nav-links a:hover {
    background-color: var(--primary);
    color: white;
}

/* Controls */
.controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle,
.lang-select {
    background-color: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.theme-toggle:hover,
.lang-select:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* Main Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 1rem;
    margin-bottom: 3rem;
    color: white;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--primary);
}

/* Section */
section {
    margin-bottom: 4rem;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
    border-bottom: 2px solid var(--border);
    padding-bottom: 0.5rem;
}

section h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--text);
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card h3 {
    margin: 0 0 1rem 0;
    color: var(--primary);
}

.card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Code Block */
.code-block {
    background-color: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
    position: relative;
}

.code-block pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
}

.code-block code {
    font-family: var(--font-mono);
    color: var(--text);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.code-language {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.copy-button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.875rem;
    transition: var(--transition);
}

.copy-button:hover {
    background-color: var(--hover);
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background-color: var(--surface);
    border-radius: 0.5rem;
    overflow: hidden;
}

thead {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

th,
td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

tr:hover {
    background-color: var(--code-bg);
}

/* Footer */
footer {
    background-color: var(--surface);
    border-top: 2px solid var(--primary);
    padding: 3rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    line-height: 2;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    nav {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 1rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 6px;
}

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