/* ==========================================================================
   Design System & CSS Variables
   ========================================================================== */
:root {
    /* Color Palette - Light Theme Default */
    --bg-color: #f5f7fa;
    --text-color: #2d3748;
    --text-muted: #718096;
    --accent-color: #067595;
    --accent-hover: #055f7a;
    --accent-rgb: 6, 117, 149;
    --secondary-accent: #8c7ae6;
    --secondary-rgb: 140, 122, 230;
    --card-bg: #ffffff;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --border-color: #e2e8f0;
    --header-bg: rgba(255, 255, 255, 0.8);
    --timeline-track: #e2e8f0;
    
    /* Layout */
    --max-width: 1100px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --text-muted: #8b949e;
    --accent-color: #58a6ff;
    --accent-hover: #79c0ff;
    --accent-rgb: 88, 166, 255;
    --secondary-accent: #a29bfe;
    --secondary-rgb: 162, 155, 254;
    --card-bg: #161b22;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --border-color: #30363d;
    --header-bg: rgba(13, 17, 23, 0.8);
    --timeline-track: #30363d;
}

/* ==========================================================================
   Global Reset & Defaults
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
    overflow-x: hidden;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
    outline: none;
}

/* ==========================================================================
   Header (Glassmorphism)
   ========================================================================== */
.main-header {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    background-color: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    color: #ffffff !important;
    background-color: var(--accent-color);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    box-shadow: 0 4px 10px rgba(var(--accent-rgb), 0.15);
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.logo:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(var(--accent-rgb), 0.25);
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-fast) ease, left var(--transition-fast) ease;
}

.nav-link.active::after, .nav-link:hover::after {
    width: 100%;
    left: 0;
}

.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    background-color: var(--border-color);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle-btn:hover {
    transform: scale(1.05);
}

.menu-toggle-btn {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    background-color: var(--border-color);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.menu-toggle-btn:hover {
    transform: scale(1.05);
}

.menu-toggle-btn svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent-color) !important;
}

/* Toggle icon display based on theme */
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
.sun-icon { display: none; }
.moon-icon { display: block; }

/* ==========================================================================
   Hero Section
   ========================================================================== */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-color) 20%, var(--secondary-accent) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-section {
    padding: 6rem 1.5rem 4rem;
    background: radial-gradient(circle at top right, rgba(var(--secondary-rgb), 0.16), transparent 60%),
                radial-gradient(circle at bottom left, rgba(var(--accent-rgb), 0.10), transparent 50%);
    overflow: hidden;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    text-align: left;
}

.hero-content {
    flex: 1;
    max-width: 650px;
}

.hero-badge {
    background-color: rgba(var(--accent-rgb), 0.1);
    color: var(--accent-color);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 10px rgba(var(--accent-rgb), 0.05);
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.hero-actions-container {
    display: flex;
    gap: 1rem;
}

.hero-btn {
    background-color: var(--accent-color);
    color: #ffffff;
    font-weight: 600;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.25);
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hero-btn:hover {
    background-color: var(--accent-hover);
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.35);
    transform: translateY(-2px);
}

.hero-btn:hover svg {
    transform: translateY(3px);
}

/* Avatar Frame and Animation */
.hero-avatar-area {
    position: relative;
    width: 280px;
    height: 280px;
    flex-shrink: 0;
}

.avatar-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    border: 6px solid var(--card-bg);
    box-shadow: var(--card-shadow-hover);
    animation: floatAvatar 6s ease-in-out infinite;
    transition: border-color var(--transition-smooth);
}

.hero-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
}

.avatar-glow {
    position: absolute;
    z-index: 1;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--secondary-rgb), 0.6) 0%, rgba(var(--accent-rgb), 0.35) 55%, transparent 75%);
    filter: blur(28px);
    animation: floatAvatar 6s ease-in-out infinite;
    opacity: 1.0;
}

@keyframes floatAvatar {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* Responsive Overrides for Hero Layout */
@media (max-width: 992px) {
    .hero-container {
        gap: 2.5rem;
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .hero-avatar-area {
        width: 240px;
        height: 240px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 4rem 1.5rem 3rem;
    }
    
    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.25;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions-container {
        justify-content: center;
    }
    
    .hero-avatar-area {
        width: 180px;
        height: 180px;
        margin-bottom: 1rem;
    }
}

/* ==========================================================================
   Main Layout & Toolbar
   ========================================================================== */
.main-content {
    max-width: var(--max-width);
    margin: 0 auto 5rem;
    padding: 0 1.5rem;
}

.toolbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.search-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    flex-grow: 1;
    max-width: 450px;
    transition: border-color var(--transition-fast);
}

.search-box:focus-within {
    border-color: var(--accent-color);
}

.search-icon {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.search-box input {
    border: none;
    background: transparent;
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    width: 100%;
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.timeline-indicator {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    background-color: var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
}

/* ==========================================================================
   Timeline Layout
   ========================================================================== */
.timeline-wrapper {
    position: relative;
    padding-left: 50px;
}

/* Vertical Timeline Track Line */
.timeline-line {
    position: absolute;
    left: 19px;
    top: 5px;
    bottom: 5px;
    width: 3px;
    background-color: var(--timeline-track);
    border-radius: 1.5px;
    transition: background-color var(--transition-smooth);
}

.timeline-container {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

/* Timeline Cards and Nodes */
.timeline-item {
    position: relative;
    width: 100%;
}

/* Circular Node on Timeline Track */
.timeline-node {
    position: absolute;
    left: -38px;
    top: 25px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--card-bg);
    border: 3.5px solid var(--accent-color);
    z-index: 10;
    box-shadow: 0 0 0 5px var(--bg-color);
    transition: background-color var(--transition-smooth), transform var(--transition-fast) ease;
}

.timeline-item:hover .timeline-node {
    transform: scale(1.2);
    background-color: var(--accent-color);
}

/* Card Style */
.post-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth), background-color var(--transition-smooth);
}

@media (min-width: 768px) {
    .post-card {
        flex-direction: row;
        min-height: 280px;
    }
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-color);
}

/* Card Thumbnail Area */
.card-thumbnail {
    position: relative;
    overflow: hidden;
    background-color: var(--border-color);
    flex-shrink: 0;
}

@media (max-width: 767px) {
    .card-thumbnail {
        width: 100%;
        height: 200px;
    }
}

@media (min-width: 768px) {
    .card-thumbnail {
        width: 320px;
    }
}

.card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.post-card:hover .card-thumbnail img {
    transform: scale(1.05);
}

/* Card Content Area */
.card-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
}

.card-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.card-excerpt {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.ler-mais-btn {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-color);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: transform var(--transition-fast);
}

.ler-mais-btn:hover {
    color: var(--accent-hover);
}

.ler-mais-btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.ler-mais-btn:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   Skeleton Shimmer Screens
   ========================================================================== */
.skeleton-card-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    width: 100%;
}

.skeleton-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .skeleton-card {
        flex-direction: row;
        height: 280px;
    }
}

.skeleton-img {
    background-color: var(--border-color);
    border-radius: var(--radius-sm);
    height: 180px;
    width: 100%;
}

@media (min-width: 768px) {
    .skeleton-img {
        width: 320px;
        height: 100%;
    }
}

.skeleton-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex-grow: 1;
    justify-content: center;
}

.skeleton-text {
    height: 16px;
    background-color: var(--border-color);
    border-radius: 4px;
    width: 100%;
}

.skeleton-text.title {
    height: 24px;
    width: 80%;
    margin-bottom: 0.5rem;
}

.skeleton-text.body {
    width: 95%;
}

.skeleton-text.body.short {
    width: 60%;
}

/* Shimmer Animation Effect */
.skeleton-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.05) 20%,
        rgba(255, 255, 255, 0.1) 60%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: shimmer 1.5s infinite;
}

/* Dark Mode Shimmer Overlay */
[data-theme="dark"] .skeleton-card::after {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.02) 20%,
        rgba(255, 255, 255, 0.05) 60%,
        rgba(255, 255, 255, 0) 100%
    );
}

@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

/* ==========================================================================
   Pagination, Spinner & Meta
   ========================================================================== */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 4rem;
    min-height: 60px;
}

.load-more-btn {
    background-color: var(--accent-color);
    color: #ffffff;
    font-weight: 600;
    padding: 0.9rem 2.2rem;
    border-radius: 30px;
    font-size: 1rem;
    box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.3);
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.load-more-btn:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.4);
    transform: translateY(-2px);
}

.load-more-btn:active {
    transform: translateY(0);
}

.loading-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.no-more-posts-message {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    text-align: center;
}

.hidden {
    display: none !important;
}

/* Error/Notification styles */
.error-message {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    font-weight: 500;
    width: 100%;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--card-bg);
    padding: 3rem 1.5rem;
    text-align: center;
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-container p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.footer-meta {
    font-size: 0.8rem !important;
    opacity: 0.7;
}

/* ==========================================================================
   Media Queries & Responsiveness
   ========================================================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .toolbar-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: 100%;
    }
    
    .timeline-wrapper {
        padding-left: 30px;
    }
    
    .timeline-line {
        left: 9px;
    }
    
    .timeline-node {
        left: -26px;
        top: 25px;
        width: 12px;
        height: 12px;
        border-width: 2.5px;
        box-shadow: 0 0 0 3px var(--bg-color);
    }
}

/* ==========================================================================
   About Me Card (Multiversando)
   ========================================================================== */
.about-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    margin-bottom: 3.5rem;
    box-shadow: var(--card-shadow);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.about-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.about-intro {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-color);
}

.about-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease, margin-top 0.4s ease;
    opacity: 0;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-color);
}

.about-content.expanded {
    max-height: 1000px; /* Limite seguro para o texto expandido */
    opacity: 1;
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 1px dashed var(--border-color);
}

.about-welcome {
    font-weight: 600;
    color: var(--accent-color);
    margin-top: 0.5rem;
}

.about-toggle-btn {
    margin-top: 1.5rem;
    background-color: var(--border-color);
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.about-toggle-btn:hover {
    background-color: var(--accent-color);
    color: #ffffff;
}

.about-toggle-btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-smooth);
}

.about-toggle-btn.active svg {
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    .about-card {
        padding: 1.5rem;
        margin-bottom: 2.5rem;
    }
    
    .about-title {
        font-size: 1.5rem;
    }
}

/* ==========================================================================
   Tabs System
   ========================================================================== */
.tabs-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-muted);
    border-bottom: 3px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab-btn:hover {
    color: var(--text-color);
    background-color: var(--border-color);
}

.tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background-color: rgba(var(--accent-rgb), 0.05);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: tabFadeIn 0.4s ease forwards;
}

@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   GitHub Projects Grid & Cards
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    width: 100%;
}

.project-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 250px;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth), background-color var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-color);
}

.project-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-icon-wrapper {
    color: var(--accent-color);
    margin-bottom: 0.25rem;
}

.project-icon-wrapper svg {
    width: 24px;
    height: 24px;
}

.project-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-color);
}

.project-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
}

.project-meta-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.project-lang {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.lang-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.project-stats {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.stat-item svg {
    width: 14px;
    height: 14px;
}

.project-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.project-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.project-link:hover svg {
    transform: translateX(3px);
}

/* Skeleton Screens for Projects */
.skeleton-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    width: 100%;
}

.skeleton-card-project {
    height: 250px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.skeleton-card-project::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.05) 20%,
        rgba(255, 255, 255, 0.1) 60%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: shimmer 1.5s infinite;
}

[data-theme="dark"] .skeleton-card-project::after {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.02) 20%,
        rgba(255, 255, 255, 0.05) 60%,
        rgba(255, 255, 255, 0) 100%
    );
}

/* ==========================================================================
   Single Post Detail View
   ========================================================================== */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--accent-color);
}

.back-link svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.back-link:hover svg {
    transform: translateX(-4px);
}

.single-post-wrapper {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.post-detail-header {
    margin-bottom: 2rem;
}

.post-detail-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.post-detail-title {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-color);
}

.post-detail-media {
    margin: 0 -2.5rem 2.5rem -2.5rem;
    overflow: hidden;
    max-height: 480px;
    background-color: var(--border-color);
}

.post-detail-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-detail-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
}

.post-detail-content p {
    margin-bottom: 1.5rem;
}

.post-detail-content h2, 
.post-detail-content h3 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-color);
    margin: 2.5rem 0 1.2rem;
    font-weight: 700;
}

.post-detail-content h2 { font-size: 1.8rem; }
.post-detail-content h3 { font-size: 1.4rem; }

.post-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin: 1.5rem 0;
}

.post-detail-content figure {
    margin: 2rem 0;
    text-align: center;
}

.post-detail-content figcaption {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    font-style: italic;
}

.post-detail-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding: 0.5rem 0 0.5rem 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-muted);
    font-size: 1.2rem;
    background-color: rgba(var(--accent-rgb), 0.03);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.post-detail-content pre {
    background-color: var(--border-color);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 2rem 0;
    font-family: monospace, Courier;
    font-size: 0.95rem;
}

/* Video wrapper for responsive iframe content */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    margin: 2rem 0;
    border-radius: var(--radius-sm);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.skeleton-post {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Mobile adjustments for post reading */
@media (max-width: 768px) {
    .single-post-wrapper {
        padding: 1.5rem;
    }
    
    .post-detail-title {
        font-size: 1.8rem;
    }
    
    .post-detail-media {
        margin: 0 -1.5rem 1.5rem -1.5rem;
    }
    
    .post-detail-content {
        font-size: 1rem;
    }
    
    /* Header Responsive Layout */
    .menu-toggle-btn {
        display: flex;
    }
    
    .header-actions {
        gap: 0.75rem;
        display: flex;
        align-items: center;
    }
    
    .nav-menu {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--card-bg);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        box-shadow: var(--card-shadow);
        z-index: 100;
        
        /* Animação de Entrada e Saída (Abertura/Fechamento) */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-12px);
        pointer-events: none;
        transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                    transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                    visibility 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                    background-color var(--transition-smooth),
                    border-color var(--transition-smooth);
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }
    
    .nav-link {
        width: 100%;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-link::after {
        display: none; /* Remover underline horizontal no mobile */
    }
}