/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-border: #e0e0e0;
    --sidebar-width: 280px;
    --content-max-width: 900px;
    --spacing-base: 1.5rem;
    --spacing-large: 3rem;
}

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

body {
    font-family: 'Courier Prime', 'Courier New', monospace;
    color: var(--color-black);
    background-color: var(--color-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container Principal */
.container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--color-white);
    border-right: 1px solid var(--color-border);
    padding: var(--spacing-base);
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s ease;
    -webkit-overflow-scrolling: touch; /* Scroll suave no iOS */
}

.nav-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-base);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

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

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-black);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
    border-left: 2px solid transparent;
    padding-left: calc(1rem - 2px);
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1); /* Feedback visual no mobile */
    touch-action: manipulation;
    position: relative; /* Para z-index funcionar */
    z-index: 1; /* Garantir que links sejam clicáveis */
}

.nav-link:hover {
    background-color: #f5f5f5;
}

.nav-link.active {
    border-left-color: var(--color-black);
    background-color: #f9f9f9;
    font-weight: 700;
}

.nav-section-container {
    margin-top: var(--spacing-base);
}

.nav-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #666;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
    padding: 0.25rem 0;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    touch-action: manipulation;
    position: relative;
    z-index: 1;
}

.nav-section:hover {
    color: var(--color-black);
}

.section-toggle-icon {
    display: inline-block;
    font-size: 0.7rem;
    transition: transform 0.2s ease;
    width: 1em;
    text-align: center;
}

.nav-section.collapsed .section-toggle-icon {
    transform: rotate(0deg);
}

.nav-section-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    transition: opacity 0.2s ease;
}

.nav-section-list[style*="display: none"] {
    opacity: 0;
}

/* Subseções (dentro de "Das vaidades") */
.nav-subsection-container {
    margin-top: 0.5rem;
    margin-left: 1rem;
}

.nav-subsection {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #888;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
    padding: 0.25rem 0;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    touch-action: manipulation;
    position: relative;
    z-index: 1;
}

.nav-subsection:hover {
    color: var(--color-black);
}

.nav-subsection-list {
    list-style: none;
    padding-left: 1rem;
    margin: 0;
    transition: opacity 0.2s ease;
}

.nav-subsection-list[style*="display: none"] {
    opacity: 0;
}

/* Filtros */
.filters-container {
    margin-bottom: var(--spacing-base);
    padding-bottom: var(--spacing-base);
    border-bottom: 1px solid var(--color-border);
}

.filter-group {
    margin-bottom: 1rem;
}

.filter-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #666;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.filter-select {
    width: 100%;
    padding: 0.5rem;
    font-family: 'Courier Prime', 'Courier New', monospace;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    background-color: var(--color-white);
    color: var(--color-black);
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23000' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 12px;
    padding-right: 2rem;
}

.filter-select:hover {
    border-color: var(--color-black);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-black);
}

.tags-filter {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
}

.tag-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0.25rem 0;
    user-select: none;
}

.tag-checkbox input[type="checkbox"] {
    cursor: pointer;
    width: 16px;
    height: 16px;
    margin: 0;
}

.tag-checkbox span {
    flex: 1;
}

.tag-checkbox:hover {
    color: var(--color-black);
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 102; /* Acima da sidebar e overlay */
    background: var(--color-white);
    border: 1px solid var(--color-border);
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    padding: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    -webkit-tap-highlight-color: transparent; /* Remove highlight no mobile */
    touch-action: manipulation; /* Melhora responsividade touch */
}

.menu-toggle:hover {
    background-color: #f9f9f9;
}

.menu-toggle:active {
    background-color: #f0f0f0;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-black);
    transition: all 0.3s ease;
    transform-origin: center;
}

/* Animação do menu toggle quando ativo (hamburger → X) */
.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Overlay para mobile */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 99; /* Abaixo da sidebar (100) e menu toggle (102) */
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Content Area */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-large) var(--spacing-base);
    min-height: 100vh;
}

.content-wrapper {
    max-width: var(--content-max-width);
    margin: 0 auto;
}

/* Loading */
.loading {
    text-align: center;
    padding: var(--spacing-large);
    font-size: 0.9rem;
    color: #666;
}

/* Markdown Content */
.markdown-content {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.markdown-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-base);
    margin-top: 0;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.markdown-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: var(--spacing-large);
    margin-bottom: var(--spacing-base);
    line-height: 1.3;
    padding-top: var(--spacing-base);
    border-top: 1px solid var(--color-border);
}

.markdown-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: var(--spacing-base);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.markdown-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-top: var(--spacing-base);
    margin-bottom: 0.5rem;
}

.markdown-content p {
    margin-bottom: var(--spacing-base);
    text-align: justify;
    hyphens: auto;
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: var(--spacing-base);
    padding-left: 2rem;
}

.markdown-content li {
    margin-bottom: 0.5rem;
}

.markdown-content blockquote {
    border-left: 3px solid var(--color-black);
    padding-left: var(--spacing-base);
    margin: var(--spacing-base) 0;
    font-style: italic;
    color: #333;
}

.markdown-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-large) 0;
}

.markdown-content code {
    font-family: 'Courier Prime', 'Courier New', monospace;
    font-size: 0.9em;
    background-color: #f5f5f5;
    padding: 0.2em 0.4em;
    border-radius: 2px;
}

.markdown-content pre {
    background-color: #f5f5f5;
    padding: var(--spacing-base);
    overflow-x: auto;
    margin-bottom: var(--spacing-base);
    border: 1px solid var(--color-border);
}

.markdown-content pre code {
    background-color: transparent;
    padding: 0;
}

.markdown-content strong {
    font-weight: 700;
}

.markdown-content em {
    font-style: italic;
}

.markdown-content a {
    color: var(--color-black);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.markdown-content a:hover {
    text-decoration-thickness: 2px;
}

.markdown-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--spacing-base) auto;
}

.markdown-content div[style*="text-align: center"] {
    text-align: center;
    margin: var(--spacing-base) 0;
}

.markdown-content div[style*="text-align: center"] img {
    display: inline-block;
    margin: 0 auto;
}

/* Responsive Design */

/* Tablet e telas médias */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
        --content-max-width: 100%;
    }
    
    .content {
        padding: 2rem 1.5rem;
    }
    
    .markdown-content h1 {
        font-size: 2.25rem;
    }
    
    .markdown-content h2 {
        font-size: 1.6rem;
    }
}

/* Tablets pequenos e mobile grande */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
        --spacing-base: 1.25rem;
        --spacing-large: 2rem;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        z-index: 100; /* Garantir z-index no mobile */
    }
    
    .sidebar.open {
        transform: translateX(0);
        z-index: 101; /* Acima do overlay quando aberto */
    }
    
    .content {
        margin-left: 0;
        padding: 1.5rem 1.25rem;
        padding-top: calc(1.5rem + 60px);
        width: 100%;
    }
    
    .content-wrapper {
        max-width: 100%;
        padding: 0;
    }
    
    .markdown-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .markdown-content h2 {
        font-size: 1.5rem;
        margin-top: 2rem;
    }
    
    .markdown-content h3 {
        font-size: 1.15rem;
    }
    
    .markdown-content {
        font-size: 0.95rem;
    }
    
    .markdown-content ul,
    .markdown-content ol {
        padding-left: 1.5rem;
    }
    
    .markdown-content blockquote {
        padding-left: 1rem;
        margin-left: 0;
    }
    
    .markdown-content pre {
        padding: 1rem;
        overflow-x: auto;
        font-size: 0.85rem;
    }
}

/* Mobile médio */
@media (max-width: 640px) {
    .sidebar {
        width: 260px;
    }
    
    .sidebar.open::before {
        left: 260px;
    }
    
    .content {
        padding: 1.25rem 1rem;
        padding-top: calc(1.25rem + 60px);
    }
    
    .markdown-content h1 {
        font-size: 1.85rem;
    }
    
    .markdown-content h2 {
        font-size: 1.35rem;
        margin-top: 1.75rem;
    }
    
    .markdown-content h3 {
        font-size: 1.1rem;
    }
    
    .markdown-content h4 {
        font-size: 1rem;
    }
    
    .nav-link {
        padding: 0.625rem 0.875rem;
        font-size: 0.875rem;
    }
}

/* Mobile pequeno */
@media (max-width: 480px) {
    :root {
        --spacing-base: 1rem;
        --spacing-large: 1.5rem;
    }
    
    html {
        font-size: 15px;
    }
    
    .menu-toggle {
        top: 0.75rem;
        left: 0.75rem;
        width: 40px;
        height: 40px;
    }
    
    .sidebar {
        width: 100%;
        padding: 1rem;
        padding-top: calc(1rem + 50px);
    }
    
    .sidebar.open::before {
        display: none;
    }
    
    .nav-title {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .nav-section {
        font-size: 0.7rem;
    }
    
    .nav-link {
        padding: 0.625rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .content {
        padding: 1rem 0.875rem;
        padding-top: calc(1rem + 55px);
    }
    
    .content-wrapper {
        padding: 0;
    }
    
    .markdown-content h1 {
        font-size: 1.65rem;
        margin-bottom: 1rem;
        line-height: 1.25;
    }
    
    .markdown-content h2 {
        font-size: 1.25rem;
        margin-top: 1.5rem;
        margin-bottom: 0.875rem;
        padding-top: 1rem;
    }
    
    .markdown-content h3 {
        font-size: 1.05rem;
        margin-top: 1.25rem;
        margin-bottom: 0.625rem;
    }
    
    .markdown-content h4 {
        font-size: 0.95rem;
    }
    
    .markdown-content p {
        text-align: left;
        margin-bottom: 1rem;
        font-size: 0.9rem;
    }
    
    .markdown-content ul,
    .markdown-content ol {
        padding-left: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .markdown-content li {
        margin-bottom: 0.375rem;
        font-size: 0.9rem;
    }
    
    .markdown-content blockquote {
        padding-left: 0.875rem;
        margin: 1rem 0;
        font-size: 0.9rem;
    }
    
    .markdown-content hr {
        margin: 1.5rem 0;
    }
    
    .markdown-content code {
        font-size: 0.85em;
        padding: 0.15em 0.3em;
    }
    
    .markdown-content pre {
        padding: 0.875rem;
        font-size: 0.8rem;
        margin-bottom: 1rem;
    }
    
    .loading {
        padding: 1.5rem;
        font-size: 0.85rem;
    }
}

/* Mobile muito pequeno */
@media (max-width: 360px) {
    html {
        font-size: 14px;
    }
    
    .content {
        padding: 0.875rem 0.75rem;
        padding-top: calc(0.875rem + 55px);
    }
    
    .markdown-content h1 {
        font-size: 1.5rem;
    }
    
    .markdown-content h2 {
        font-size: 1.15rem;
    }
    
    .markdown-content {
        font-size: 0.875rem;
    }
}

/* Ajustes para orientação landscape em mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .sidebar {
        width: 240px;
    }
    
    .content {
        padding-top: calc(1rem + 50px);
    }
    
    .markdown-content h1 {
        font-size: 1.75rem;
    }
    
    .markdown-content h2 {
        font-size: 1.35rem;
    }
}

/* Prevenir overflow horizontal */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }
    
    .container {
        overflow-x: hidden;
    }
    
    .markdown-content {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .markdown-content pre {
        word-wrap: break-word;
        white-space: pre-wrap;
    }
    
    .markdown-content table {
        display: block;
        overflow-x: auto;
        width: 100%;
    }
}