/* CodeSolve Guides Theme - Dark Mode */
/* Baseado no visual da landing page */

:root {
    /* Fundos */
    --bg-primary: #0E1326;
    --bg-secondary: #0B1020;
    --bg-card: #1A1F3B;
    --bg-card-alt: #1E2347;
    --bg-accent: #24285A;

    /* Destaque / Marca */
    --brand-primary: #00B3FF;
    --brand-hover: #1DA1FF;
    --brand-light: #4DD6FF;
    --brand-glow: rgba(0, 179, 255, 0.5);

    /* Texto */
    --text-primary: #FFFFFF;
    --text-secondary: #B8C1E1;
    --text-muted: #8A93B8;

    /* Bordas */
    --border-color: #2E335F;
    --border-glow: rgba(0, 179, 255, 0.3);

    /* Glassmorphism */
    --glass-bg: rgba(26, 31, 59, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);

    /* Code */
    --code-bg: #1a1e2e;
    --code-border: #2d3548;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(11, 16, 32, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.navbar-logo img {
    width: 36px;
    height: 36px;
}

.navbar-logo span {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.navbar-logo .code { color: var(--brand-primary); }

.navbar-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.navbar-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-links a:hover,
.navbar-links a.active {
    color: var(--brand-primary);
}

.navbar-back {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.navbar-back:hover {
    color: var(--brand-primary);
}

/* ========== MAIN CONTAINER ========== */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 6rem 2rem 4rem;
}

/* ========== GUIDE HEADER ========== */
.guide-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.guide-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.guide-tag {
    background: rgba(0, 179, 255, 0.1);
    border: 1px solid rgba(0, 179, 255, 0.3);
    color: var(--brand-light);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.guide-level {
    background: rgba(77, 214, 255, 0.1);
    border-color: rgba(77, 214, 255, 0.3);
}

.guide-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -1px;
    line-height: 1.2;
}

.guide-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.guide-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.guide-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========== TABLE OF CONTENTS ========== */
.toc {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    margin-bottom: 3rem;
}

.toc-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.toc nav ul {
    list-style: none;
}

.toc nav ul li {
    margin: 0.5rem 0;
}

.toc nav ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: block;
    padding: 0.25rem 0;
}

.toc nav ul li a:hover {
    color: var(--brand-primary);
    padding-left: 0.5rem;
}

.toc nav ul ul {
    margin-left: 1.5rem;
}

.toc nav ul ul li a {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ========== CONTENT STYLING ========== */
.content {
    color: var(--text-secondary);
}

.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

.content h1 { font-size: 2rem; }
.content h2 {
    font-size: 1.6rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}
.content h3 { font-size: 1.3rem; }
.content h4 { font-size: 1.1rem; }

.content p {
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.content a {
    color: var(--brand-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.content a:hover {
    border-bottom-color: var(--brand-primary);
}

.content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.content ul,
.content ol {
    margin: 1rem 0 1.5rem 1.5rem;
}

.content li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.content li::marker {
    color: var(--brand-primary);
}

/* Code blocks */
.content code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9em;
    background: var(--code-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--code-border);
    color: var(--brand-light);
}

.content pre {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
    position: relative;
}

.content pre code {
    background: transparent;
    padding: 0;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* Code block with line numbers */
.content .highlight {
    position: relative;
    margin: 1.5rem 0;
}

.content .highlight pre {
    margin: 0;
}

/* Blockquotes */
.content blockquote {
    background: var(--glass-bg);
    border-left: 4px solid var(--brand-primary);
    border-radius: 0 12px 12px 0;
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-secondary);
}

.content blockquote p:last-child {
    margin-bottom: 0;
}

.content blockquote strong {
    color: var(--brand-light);
}

/* Tables */
.content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--glass-bg);
    border-radius: 12px;
    overflow: hidden;
}

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

.content th {
    background: var(--bg-accent);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.content tr:last-child td {
    border-bottom: none;
}

.content tr:hover {
    background: rgba(0, 179, 255, 0.05);
}

/* Images */
.content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
}

/* Horizontal rules */
.content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 3rem 0;
}

/* ========== CALLOUT BOXES ========== */
.callout {
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    margin: 1.5rem 0;
}

.callout-info {
    background: rgba(0, 179, 255, 0.1);
    border: 1px solid rgba(0, 179, 255, 0.3);
}

.callout-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.callout-danger {
    background: rgba(255, 100, 100, 0.1);
    border: 1px solid rgba(255, 100, 100, 0.3);
}

.callout-success {
    background: rgba(0, 200, 83, 0.1);
    border: 1px solid rgba(0, 200, 83, 0.3);
}

/* ========== CTA BOX ========== */
.guide-cta {
    background: linear-gradient(135deg, rgba(36, 40, 90, 0.8) 0%, var(--glass-bg) 100%);
    border: 1px solid var(--brand-primary);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 4rem;
    text-align: center;
}

.guide-cta h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.guide-cta p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.guide-cta a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--brand-primary);
    color: var(--bg-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.guide-cta a:hover {
    background: var(--brand-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--brand-glow);
}

/* ========== GUIDES LIST ========== */
.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.guide-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
}

.guide-card:hover {
    border-color: rgba(0, 179, 255, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.guide-card h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.guide-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.guide-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--bg-secondary);
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

.footer-logo {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .navbar-links {
        display: none;
    }

    .container {
        padding: 5rem 1.5rem 3rem;
    }

    .guide-title {
        font-size: 1.8rem;
    }

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

    .content pre {
        padding: 1rem;
        border-radius: 8px;
    }

    .toc {
        padding: 1rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .guide-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .guide-info {
        flex-direction: column;
        gap: 0.75rem;
    }

    .content table {
        font-size: 0.85rem;
    }

    .content th,
    .content td {
        padding: 0.75rem;
    }
}