/**
 * ========================================
 * TEMPLATE DE CURSO - HERO Platform
 * ========================================
 * 
 * INSTRUÇÕES DE CUSTOMIZAÇÃO:
 * 
 * 1. Ajuste as variáveis CSS abaixo para mudar cores do curso
 * 2. Substitua [NOME_CURSO] e [SIGLA_CURSO] por busca global
 * 3. Mantenha a estrutura de classes para compatibilidade com course-ui-kit.css
 * 
 * VARIÁVEIS PRINCIPAIS:
 * --primary: Cor principal do curso (botões, destaques, XP)
 * --secondary: Cor secundária (gradientes, acentos)
 * --accent: Cor de destaque (badges, níveis)
 */

:root {
    /* ===== CORES DO CURSO (CUSTOMIZAR AQUI) ===== */
    --primary: #00FF80;              /* Verde neon HERO */
    --primary-dark: #00CC66;
    --primary-light: rgba(0, 255, 128, 0.1);
    
    --secondary: #8A2BE2;            /* Roxo futurista */
    --secondary-dark: #6A1BB2;
    --secondary-light: rgba(138, 43, 226, 0.1);
    
    --accent: #FFB800;               /* Amarelo dourado */
    --accent-dark: #CC9200;
    
    /* ===== CORES DE FUNDO ===== */
    --bg-main: #0A0E27;              /* Fundo principal escuro */
    --bg-card: #16213E;              /* Fundo dos cards */
    --bg-code: #1E1E2E;              /* Fundo de código */
    
    /* ===== CORES DE TEXTO ===== */
    --text-primary: #E2E8F0;         /* Texto principal */
    --text-secondary: #94A3B8;       /* Texto secundário */
    --text-muted: #64748B;           /* Texto discreto */
    
    /* ===== CORES DE ESTADO ===== */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* ===== BRAND (Nome do curso no navbar) ===== */
    --brand-primary: var(--primary);
    --brand-secondary: var(--secondary);
}

/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* ===== NAVBAR (Layout 3 Colunas) ===== */
.navbar {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Layout 3 colunas: 01 esquerda | 02 centro | 03 direita (sem sobrepor) */
.nav-container {
    max-width: 1600px;
    margin: 0 0.25rem;
    padding: 0 0.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    min-height: 56px;
    position: relative;
}

/* COLUNA 1: Logo/Marca — fixado à esquerda */
.nav-brand {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
    z-index: 2;
}

/* COLUNA 2: Navegação central — ocupa o espaço entre col1 e col3, sem atropelar a coluna 3 */
.nav-center {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    padding-right: 0.5rem;
}

.nav-center .nav-menu-center {
    flex: none;
    max-width: 100%;
}

/* CUSTOMIZAR: apenas a sigla em tamanho menor; brand (sufixo) mantém tamanho do .nav-brand */
.brand-sigla {
    font-size: 0.85em;
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    max-width: 12ch;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.brand-suffix {
    color: var(--text-primary);
}

/* Menus centrais (dentro de .nav-center) — não invadem a coluna 3 */
.nav-menu-center {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 100%;
}

.nav-menu-center li a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    white-space: nowrap;
}

.nav-menu-center li a:hover,
.nav-menu-center li a.active {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-menu-center li a i {
    font-size: 1rem;
}

/* COLUNA 3: Ações/Perfil — fixado à direita */
.nav-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    z-index: 2;
}

.nav-menu-right {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.nav-menu-right li a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    white-space: nowrap;
}

.nav-menu-right li a:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-menu-right li a i {
    font-size: 1rem;
}

/* Home: ação dupla — link (index) + chevron (dropdown) */
.nav-home-dual {
    display: inline-flex;
    align-items: center;
    gap: 0;
}
.nav-link-home {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.6rem 0.25rem 0.6rem 1rem;
    border-radius: 8px 0 0 8px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: all 0.3s;
}
.nav-link-home:hover,
.nav-link-home.active {
    background: var(--primary-light);
    color: var(--primary);
}
.dropdown-chevron-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.6rem 0.75rem;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.dropdown-chevron-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
}
.dropdown-home .dropdown-chevron-btn i {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}
.dropdown-home.active .dropdown-chevron-btn i {
    transform: rotate(180deg);
}

/* Dropdown Menu (para menus que ultrapassam o limite) */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    position: relative;
}

.dropdown-toggle .fa-chevron-down {
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle .fa-chevron-down,
.dropdown.active .dropdown-toggle .fa-chevron-down {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 14, 39, 0.98);
    border: 2px solid rgba(0, 255, 128, 0.3);
    border-radius: 12px;
    list-style: none;
    padding: 0.75rem 0;
    min-width: 220px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    z-index: 1000;
    backdrop-filter: blur(10px);
    animation: dropdownFadeIn 0.2s ease-out;
}

/* Scrollbar personalizada para dropdown */
.dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.dropdown-menu::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.dropdown-menu::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
    display: block;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(0, 255, 128, 0.3);
}

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu li a {
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #ffffff !important;
    text-decoration: none;
    transition: all 0.3s;
    border-radius: 0;
    white-space: nowrap;
}

.dropdown-menu li a i,
.dropdown-menu li a span {
    color: #ffffff !important;
}

.dropdown-menu li a i {
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
}

.dropdown-menu li a:hover {
    background: var(--primary-light);
    color: var(--primary);
    padding-left: 1.5rem;
}

.dropdown-menu li a.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    border-left: 3px solid var(--primary);
}

/* ===== PÁGINA DE DESAFIOS: Contraste WCAG (paleta) ===== */
.challenge-tips-card {
    background: var(--bg-card);
    border: 2px solid var(--accent);
}
.challenge-tips-card h2 {
    color: var(--text-primary);
}
.challenge-tips-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.challenge-tips-title {
    color: var(--primary);
    margin-bottom: 0.5rem;
}
.challenge-tips-card p,
.challenge-tips-card .challenge-tips-title {
    color: var(--text-primary);
}

.challenge-criteria-card {
    background: var(--bg-card);
    border: 2px solid var(--info);
}
.challenge-criteria-card h2 {
    color: var(--text-primary);
}
.challenge-criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.challenge-criterion-item {
    padding: 1.5rem;
    background: var(--bg-main);
    border-radius: 12px;
    border: 2px solid var(--info);
}
.challenge-criterion-item h4 {
    color: var(--primary);
    margin-bottom: 0.75rem;
}
.challenge-criterion-item p {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.challenge-submit-card {
    text-align: center;
    background: var(--bg-card);
    border: 2px solid var(--primary);
}
.challenge-submit-card h2 {
    color: var(--primary);
}
.challenge-submit-card p {
    color: var(--text-primary);
}

.challenge-reward-card {
    border-color: var(--accent);
}
.reward-level-accent {
    color: var(--accent);
}
.reward-level-info {
    color: var(--info);
    font-size: 1.2rem;
}

/* ===== BOTÃO VOLTAR AO TOPO ===== */
.btn-back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--bg-main);
    border: 2px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 20px rgba(0, 255, 128, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.2s ease;
}

.btn-back-to-top.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.btn-back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(0, 255, 128, 0.5);
}

/* ===== RODAPÉ (X4Trend Cursos) ===== */
.site-footer {
    margin-top: 3rem;
    padding: 1.5rem 1rem;
    background: rgba(10, 14, 39, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.site-footer .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.site-footer .footer-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.site-footer .footer-brand span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-footer .footer-copy {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== VISUALIZAÇÃO SEMÂNTICA (Tags HTML5 — wireframe pedagógico) ===== */
.semantic-visualization-card .semantic-wireframe {
    margin-top: 1.5rem;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-code);
    border: 2px dashed rgba(255, 255, 255, 0.15);
}

.semantic-tag {
    padding: 1rem 1.25rem;
    margin: 0;
    position: relative;
}

.semantic-label {
    font-family: ui-monospace, monospace;
    font-weight: 700;
    font-size: 0.95rem;
}

.semantic-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

.semantic-header {
    background: rgba(138, 43, 226, 0.15);
    border: 2px solid var(--secondary);
    border-bottom-width: 1px;
}

.semantic-nav {
    margin: 0.75rem 0 0 1rem;
    background: rgba(138, 43, 226, 0.08);
    border: 2px dashed var(--secondary);
    border-radius: 8px;
}

.semantic-nav-demo {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.semantic-nav-demo .nav-links {
    float: right;
    color: var(--primary);
}

.semantic-main {
    background: rgba(59, 130, 246, 0.08);
    border: 2px dashed var(--info);
    border-top: none;
}

.semantic-main-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .semantic-main-inner {
        grid-template-columns: 1fr;
    }
}

.semantic-article {
    background: rgba(0, 255, 128, 0.08);
    border: 2px solid var(--primary);
    border-radius: 8px;
    padding: 1rem;
}

.semantic-article h4,
.semantic-aside h4,
.semantic-section h4 {
    font-size: 1rem;
    margin: 0 0 0.5rem 0;
    color: var(--primary);
}

.semantic-article p,
.semantic-aside p,
.semantic-section p {
    font-size: 0.9rem;
    margin: 0 0 0.5rem 0;
    color: var(--text-secondary);
}

.semantic-figure {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed var(--text-muted);
    border-radius: 6px;
}

.semantic-figure .figure-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.semantic-aside {
    background: rgba(255, 184, 0, 0.08);
    border: 2px solid var(--accent);
    border-radius: 8px;
    padding: 1rem;
}

.semantic-section {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.06);
    border: 2px solid var(--info);
    border-radius: 8px;
}

.semantic-footer {
    background: rgba(138, 43, 226, 0.2);
    border: 2px solid var(--secondary);
    border-top-width: 1px;
}

.semantic-footer p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.semantic-legend {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--primary-light);
    border: 2px solid var(--primary);
    border-radius: 12px;
}

.semantic-legend i {
    color: var(--accent);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.semantic-legend p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.semantic-legend code {
    background: var(--bg-code);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
}

/* Menu Mobile (Hamburger) */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: all 0.3s;
}

/* Desktop: drawer é apenas wrapper (contents); overlay oculto */
.nav-mobile-drawer {
    display: contents;
}
.nav-overlay {
    display: none;
}

@media (max-width: 968px) {
    .nav-center {
        position: static;
        transform: none;
        width: 100%;
    }

    .nav-right {
        order: 2;
    }

    /* Menu aberto: navbar (e drawer/overlay dentro dele) sobe acima de todo o site */
    body:has(.nav-container.nav-open) .navbar {
        z-index: 99999;
    }

    /* Overlay: fundo escuro ao abrir o menu; clique fecha o drawer (z-index alto para sobrepor todo o site) */
    .nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99998;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    .nav-container.nav-open .nav-overlay {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    /* Drawer único: desliza da direita; padding para todo o conteúdo ficar visível e centralizado */
    .nav-mobile-drawer {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        max-width: 100%;
        height: 100%;
        height: 100dvh;
        min-height: 100vh;
        min-height: -webkit-fill-available;
        background: var(--nav-bg, #0f172a);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
        z-index: 99999;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        overflow-x: hidden;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 1.5rem 1rem 2rem 1rem;
        box-sizing: border-box;
        -webkit-overflow-scrolling: touch;
    }
    .nav-container.nav-open .nav-mobile-drawer {
        transform: translateX(0);
    }

    /* Garantir que listas e itens dentro do drawer não sejam escondidos por outros CSS (ex.: course-ui-kit .nav-menu) */
    .nav-mobile-drawer [class*="nav-menu"] {
        position: static !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
    }

    .nav-mobile-drawer .nav-center,
    .nav-mobile-drawer .nav-right {
        position: static !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center;
        width: 100%;
        max-width: 100%;
        padding: 0 0.5rem;
        background: transparent;
        max-height: none;
        border: none;
        overflow: visible !important;
        box-sizing: border-box;
    }
    .nav-mobile-drawer .nav-right {
        margin-top: auto;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.15);
    }

    .nav-container .hamburger {
        order: 0;
    }

    .nav-mobile-drawer .nav-menu-center,
    .nav-mobile-drawer .nav-menu-right {
        position: static !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center;
        width: 100%;
        max-width: 100%;
        padding: 0;
        background: transparent;
        max-height: none;
        list-style: none;
        margin: 0 auto;
        border: none;
        overflow: visible !important;
        box-sizing: border-box;
    }

    .nav-mobile-drawer .nav-menu-center li,
    .nav-mobile-drawer .nav-menu-right li {
        display: block !important;
        width: 100%;
        max-width: 100%;
    }

    /* Links do drawer centralizados para todas as opções aparecerem (Home, Cursos, Missões, etc.) */
    .nav-mobile-drawer .nav-menu-center li a,
    .nav-mobile-drawer .nav-menu-right li a {
        width: 100%;
        max-width: 100%;
        padding: 1rem 0.75rem;
        justify-content: center;
        text-align: center;
        color: #fff !important;
        box-sizing: border-box;
    }

    .nav-menu-center li a i,
    .nav-menu-right li a i {
        color: #fff !important;
    }

    .nav-mobile-drawer .nav-home-dual {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.5rem 0;
    }
    .nav-mobile-drawer .nav-link-home {
        flex: 1;
        justify-content: center;
        text-align: center;
        padding: 1rem !important;
        color: #fff !important;
    }
    .nav-mobile-drawer .dropdown-toggle {
        justify-content: center;
        text-align: center;
    }
    .nav-mobile-drawer .dropdown-chevron-btn {
        padding: 1rem;
        color: #fff !important;
    }
    .nav-mobile-drawer .dropdown-chevron-btn i {
        color: #fff !important;
    }

    .nav-menu-center .dropdown-menu {
        position: static;
        display: none;
        border: none;
        background: rgba(255, 255, 255, 0.08);
        border-radius: 8px;
        margin: 0.5rem 0 0.5rem 1rem;
        padding: 0.5rem 0;
        max-height: none;
        box-shadow: none;
    }

    /* Submenu no drawer: ordem normal (1, 2, 3...), alinhado à direita, efeito expandir/recolher */
    .nav-mobile-drawer .nav-menu-center .dropdown-menu,
    .nav-mobile-drawer .nav-menu-center .dropdown-home .dropdown-menu {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
        margin: 0.5rem 0 0.5rem 0;
        margin-left: auto;
        padding: 0 0.25rem 0 0.5rem;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        max-height: 0;
        opacity: 0;
        visibility: hidden;
        transition: max-height 0.35s ease-out, opacity 0.25s ease-out, visibility 0.25s ease-out;
    }

    .nav-mobile-drawer .nav-menu-center .dropdown.active .dropdown-menu,
    .nav-mobile-drawer .nav-menu-center .dropdown-home.active .dropdown-menu {
        display: flex;
        max-height: 400px;
        opacity: 1;
        visibility: visible;
        padding: 0.5rem 0.25rem 0.5rem 0.5rem;
    }

    /* Seta (chevron) gira ao expandir/recolher no drawer — inclui Home (.dropdown-chevron-btn) e Missões/Desafios (.dropdown-toggle) */
    .nav-mobile-drawer .dropdown.active .dropdown-chevron-btn i,
    .nav-mobile-drawer .dropdown-home.active .dropdown-chevron-btn i,
    .nav-mobile-drawer .dropdown.active .dropdown-toggle .fa-chevron-down {
        transform: rotate(180deg);
    }
    .nav-mobile-drawer .dropdown-chevron-btn i,
    .nav-mobile-drawer .dropdown-toggle .fa-chevron-down {
        transition: transform 0.3s ease;
    }

    .nav-mobile-drawer .nav-menu-center .dropdown-menu li {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .nav-mobile-drawer .nav-menu-center .dropdown-menu li a {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        white-space: nowrap;
        overflow: visible;
        text-overflow: unset;
        padding: 0.75rem 1rem 0.75rem 0.25rem;
        justify-content: flex-end;
        text-align: right;
    }

    .nav-menu-center .dropdown.active .dropdown-menu {
        display: block;
    }

    .nav-menu-center .dropdown-menu li a,
    .nav-menu-center .dropdown-menu li a i {
        justify-content: flex-start;
        padding: 0.75rem 1.25rem;
        color: #fff !important;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .dropdown-menu {
        position: static;
        display: none;
        border: none;
        background: rgba(255, 255, 255, 0.08);
        margin-top: 0.5rem;
    }
    .dropdown-menu li a {
        color: #fff !important;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 1.5rem 0 4rem 0;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.hero .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    border: 1px solid var(--primary);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--bg-main);
    box-shadow: 0 4px 15px rgba(0, 255, 128, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 128, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

/* Botão integrado ao texto (listas/parágrafos) — menor e alinhado à linha */
.btn-inline {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    padding: 0.3em 0.65em;
    font-size: 0.9em;
    line-height: 1.35;
    margin: 0 0.15em;
}
.btn-inline:hover {
    transform: none;
}

.hero-visual {
    position: relative;
}

.code-preview {
    background: var(--bg-code);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.code-preview .code-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.code-preview .code-header span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
}

.code-preview pre {
    margin: 0;
    overflow-x: auto;
}

.code-preview code {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-visual {
        order: -1;
    }
}

/* ===== CONTAINER E SEÇÕES ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.content-page {
    min-height: 100vh;
    padding: 3rem 0;
}

.content-header {
    text-align: center;
    margin-bottom: 3rem;
}

.content-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

.content-header p {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== CARDS DE CONTEÚDO ===== */
.content-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.content-card h2 {
    color: var(--primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.content-card h3 {
    color: var(--text-primary);
    margin: 1.5rem 0 1rem;
}

.content-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-card ul,
.content-card ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.content-card li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

/* Container com cards internos (Referência + Convenções/Boas práticas/Dev Master) */
.ref-cards-container .ref-inner-cards {
    margin-top: 1rem;
}
.ref-cards-container h2 {
    margin-bottom: 0.5rem;
}

/* Cards internos na Referência (README) da Missão Final */
.ref-inner-cards {
    display: grid;
    gap: 1.25rem;
    margin-top: 1.5rem;
}
.ref-inner-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
}
.ref-inner-card h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
}
.ref-inner-card ul {
    margin: 0 0 0 1.25rem;
}
.ref-inner-card li {
    margin-bottom: 0.4rem;
}
.ref-inner-card table {
    width: 100%;
    border-collapse: collapse;
}
.ref-inner-card th,
.ref-inner-card td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.ref-inner-card th {
    color: var(--primary);
    font-weight: 600;
}
.ref-inner-card td {
    color: var(--text-secondary);
}

/* ===== CARDS DE CÓDIGO ===== */
.code-block {
    background: var(--bg-code);
    border-radius: 12px;
    overflow: hidden;
    margin: 1.5rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-block-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.75rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-block-header span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-btn {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-btn:hover {
    background: var(--primary);
    color: var(--bg-main);
}

.code-block-content {
    padding: 1.25rem;
    overflow-x: auto;
}

.code-block-content pre {
    margin: 0;
}

.code-block-content code {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== TERMINAL OUTPUT ===== */
.terminal-output {
    background: #1A1D23;
    border-radius: 12px;
    overflow: hidden;
    margin: 1.5rem 0;
    border: 1px solid rgba(0, 255, 128, 0.3);
    box-shadow: 0 0 20px rgba(0, 255, 128, 0.1);
}

.terminal-header {
    background: rgba(0, 255, 128, 0.15);
    padding: 0.75rem 1.25rem;
    color: var(--primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(0, 255, 128, 0.3);
}

.terminal-content {
    padding: 1.25rem;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    color: var(--primary);
}

.terminal-content pre {
    margin: 0;
}

/* ===== MISSION NAV BUTTONS ===== */
.mission-nav-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2.5rem;
}

.mission-nav-buttons .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===== CHALLENGE BOX ===== */
.challenge-box {
    background: linear-gradient(135deg, rgba(255, 184, 0, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);
    border: 2px solid rgba(255, 184, 0, 0.4);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
}

.challenge-box h3 {
    color: var(--accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.challenge-box p {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.challenge-box ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.challenge-box li {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.challenge-hint {
    background: rgba(0, 0, 0, 0.3);
    border-left: 4px solid var(--accent);
    padding: 1rem 1.5rem;
    margin-top: 1rem;
    border-radius: 8px;
}

.challenge-hint strong {
    color: var(--accent);
}

/* ===== BOTÃO DE CONCLUSÃO ===== */
.btn-complete-phase {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    margin-top: 2rem;
}

.btn-complete-phase:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-complete-phase:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-complete-phase.completed {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    pointer-events: none;
}

/* ===== FEATURES GRID ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 12px 40px rgba(0, 255, 128, 0.25);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    transition: transform 0.3s;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.3;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

.feature-card code {
    background: rgba(0, 255, 128, 0.1);
    color: var(--primary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: 'Fira Code', 'Consolas', monospace;
}

/* ===== CONTAINER DA TRILHA ===== */
.trilha-container {
    padding: 2.5rem;
}

.trilha-header {
    margin-bottom: 2.5rem;
    text-align: center;
}

.trilha-header h2 {
    margin-bottom: 1rem;
    font-size: 2rem;
}

.trilha-intro {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== GRID DE MISSÕES NA TRILHA ===== */
.trilha-missions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.75rem;
    margin-top: 2rem;
}

.mission-card-link {
    text-decoration: none;
    display: block;
    transition: transform 0.2s;
}

.mission-card-link:hover {
    transform: translateY(-2px);
}

.mission-card-small {
    background: rgba(255, 255, 255, 0.04);
    border: 2px solid rgba(0, 255, 128, 0.2);
    border-radius: 20px;
    padding: 1.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.mission-card-small::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.mission-card-link:hover .mission-card-small {
    border-color: var(--primary);
    background: rgba(0, 255, 128, 0.12);
    box-shadow: 0 10px 32px rgba(0, 255, 128, 0.2);
    transform: translateY(-4px);
}

.mission-card-link:hover .mission-card-small::before {
    opacity: 1;
}

.mission-card-small-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.mission-card-number {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.mission-card-icon {
    font-size: 1.5rem;
    color: var(--primary);
    opacity: 0.7;
}

.mission-card-title {
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.mission-card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0 0 0.75rem 0;
    flex-grow: 1;
}

.mission-card-level {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(0, 255, 128, 0.1);
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 128, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mission-card-final {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(255, 184, 0, 0.1) 0%, rgba(138, 43, 226, 0.1) 100%);
}

.mission-card-link:hover .mission-card-final {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(255, 184, 0, 0.15) 0%, rgba(138, 43, 226, 0.15) 100%);
    box-shadow: 0 8px 24px rgba(255, 184, 0, 0.2);
}

.mission-card-final .mission-card-number {
    background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mission-card-final .mission-card-icon {
    color: var(--accent);
}

.mission-card-final .mission-card-level {
    color: var(--accent);
    background: rgba(255, 184, 0, 0.15);
    border-color: rgba(255, 184, 0, 0.3);
}

@media (max-width: 768px) {
    .trilha-container {
        padding: 1.5rem;
    }
    
    .trilha-header h2 {
        font-size: 1.5rem;
    }
    
    .trilha-intro {
        font-size: 1rem;
    }
    
    .trilha-missions-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .mission-card-small {
        padding: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem;
    }
}

/* ===== TRILHA DE CONHECIMENTO ===== */
/* Layout (3 colunas desktop, 1 mobile) gerenciado por /css/course-ui-kit.css */

/* Grid de missões */
#missionsGrid {
    display: grid;
    gap: 30px;
    width: 100%;
    box-sizing: border-box;
}

/* Card de missão */
.mission-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 2px solid rgba(0, 255, 128, 0.5);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.3s;
}

.mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 255, 128, 0.3);
}

.mission-card.completed {
    border-color: var(--success);
}

.mission-card.locked {
    opacity: 0.7;
    filter: grayscale(0.3);
}

/* Header do card (número + status) */
.mission-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border-bottom: 2px solid var(--primary);
}

.mission-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.mission-status {
    font-size: 1.3rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mission-status i {
    color: #666;
}

.mission-status i.fa-check-circle {
    color: var(--success);
}

.mission-status i.fa-play-circle {
    color: var(--primary);
}

/* Conteúdo do card */
.mission-card-content {
    padding: 18px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.mission-card-content h3 {
    color: var(--x4-mission-card-title, var(--text-primary)) !important;
    -webkit-text-fill-color: currentColor !important;
    font-size: 1.15rem;
    margin: 0 0 8px;
}

.mission-card-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0 0 14px;
}

.mission-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.mission-card-content .btn {
    margin-top: auto;
}

/* Seção de progresso geral */
#overallPerformance {
    max-width: 900px;
    margin: 0 auto 50px;
    padding: 30px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border-radius: 20px;
    border: 2px solid var(--primary);
    box-shadow: 0 10px 40px rgba(0, 255, 128, 0.2);
}

#overallPerformance h3 {
    color: var(--primary);
    margin-bottom: 25px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    text-align: center;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 15px;
    border: 2px solid var(--primary);
}

.stat-card.secondary {
    border-color: var(--secondary);
}

.stat-card {
    container-type: inline-size;
    container-name: stat-card;
}

.stat-card.accent {
    border-color: var(--accent);
}

/* Card Nível Atual: texto se adapta ao tamanho do container — mesmo padrão curso-web/curso-sql */
.stat-card.accent .stat-value {
    font-size: clamp(0.8rem, 4cqw + 0.85rem, 1.35rem);
    line-height: 1.25;
    overflow-wrap: break-word;
    word-break: break-word;
}

@container stat-card (max-width: 140px) {
    .stat-card.accent .stat-value { font-size: 0.95rem; }
}
@container stat-card (max-width: 110px) {
    .stat-card.accent .stat-value { font-size: 0.8rem; }
}

.stat-card.info {
    border-color: #60A5FA;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-value.primary {
    color: var(--primary);
}

.stat-value.secondary {
    color: var(--secondary);
}

.stat-value.accent {
    color: var(--accent);
}

.stat-value.info {
    color: #60A5FA;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

/* ===== NAVEGAÇÃO E MENU ===== */
.brand-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    color: inherit;
}

.menu-highlight {
    color: var(--primary);
}

#studentMenu {
    display: none;
}

.student-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.student-name {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.logout-link {
    color: #ff6b6b;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 107, 107, 0.3);
    transition: all 0.3s;
    font-size: 0.85rem;
    text-decoration: none;
}

.logout-link:hover {
    background: rgba(255, 107, 107, 0.1);
}

/* ===== CODE HEADER DOTS (macOS style) ===== */
.code-dot-red {
    background: #FF5F56;
}

.code-dot-yellow {
    background: #FFBD2E;
}

.code-dot-green {
    background: #27C93F;
}

/* ===== GRADE DE TÓPICOS ===== */
.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

/* ===== CALL TO ACTION ===== */
.cta-card {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border: 2px solid var(--primary);
    text-align: center;
}

.cta-card h2 {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.cta-card p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.btn-cta-large {
    font-size: 1.2rem;
    padding: 1.25rem 2.5rem;
}

/* ===== CARD DE RECOMPENSA (missões) ===== */
.mission-reward-card {
    max-width: 600px;
    margin: 0 auto 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border-radius: 16px;
    border: 2px solid var(--primary);
    text-align: center;
}

.mission-reward-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.reward-item-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.reward-item-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.reward-item-level {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.visualization-tip {
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

/* ===== PÁGINA DE CERTIFICADO ===== */
.celebration-header {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-badge-inline {
    display: inline-flex;
    margin-bottom: 1rem;
}

.celebration-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1rem;
}

.celebration-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.certificate-course-name {
    font-size: 1.3rem;
    color: var(--primary);
}

.certificate-stats-grid {
    margin: 2rem 0;
}

.certificate-stat-label {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.certificate-stat-value {
    color: var(--text-secondary);
}

.certificate-code-wrapper {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 3rem 0;
}

.next-courses-section {
    margin-top: 4rem;
}

.next-courses-title {
    text-align: center;
    margin-bottom: 2rem;
}

.next-courses-intro {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.next-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.next-course-link {
    text-decoration: none;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .content-page {
        padding: 2rem 0;
    }

    .content-card {
        padding: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .code-block-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }

    .copy-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== PREVIEW DE TELAS (Web/Mobile Apps) ===== */
.screen-preview {
    background: var(--bg-code);
    border-radius: 16px;
    padding: 1.5rem;
    margin: 2rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.screen-preview img,
.screen-preview video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* Mobile Device Frame (opcional para Flutter/apps) */
.mobile-frame {
    max-width: 375px;
    margin: 2rem auto;
    background: #000;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 8px solid #1a1a1a;
}

.mobile-frame img,
.mobile-frame video {
    width: 100%;
    height: auto;
    border-radius: 32px;
    display: block;
}

/* Desktop Browser Frame (para previews web) */
.browser-frame {
    background: var(--bg-code);
    border-radius: 12px;
    overflow: hidden;
    margin: 2rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.browser-header {
    background: rgba(0, 0, 0, 0.4);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.browser-url {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-left: 1rem;
}

.browser-content {
    background: white;
    overflow: auto;
}

.browser-content img,
.browser-content video {
    width: 100%;
    height: auto;
    display: block;
}

/* Responsividade para previews */
@media (max-width: 768px) {
    .screen-preview,
    .browser-frame {
        margin: 1.5rem -1rem; /* Expande até as bordas no mobile */
        border-radius: 0;
        padding: 1rem;
    }

    .mobile-frame {
        max-width: 100%;
        padding: 8px;
        border-width: 4px;
        border-radius: 24px;
    }

    .mobile-frame img,
    .mobile-frame video {
        border-radius: 20px;
    }

    .browser-header {
        padding: 0.5rem 0.75rem;
    }

    .browser-dots span {
        width: 10px;
        height: 10px;
    }

    .browser-url {
        font-size: 0.75rem;
        padding: 0.3rem 0.5rem;
        margin-left: 0.5rem;
    }
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.hidden {
    display: none !important;
}

/* ===== MENU DRAWER (mobile): forçar branco em todos os links e submenu ===== */
@media (max-width: 968px) {
    .navbar .nav-mobile-drawer,
    .navbar .nav-mobile-drawer .nav-center,
    .navbar .nav-mobile-drawer .nav-right {
        color: #ffffff !important;
    }
    .navbar .nav-mobile-drawer .dropdown-menu,
    .navbar .nav-mobile-drawer .dropdown-menu *,
    .navbar .nav-mobile-drawer .dropdown-menu li,
    .navbar .nav-mobile-drawer .dropdown-menu li a,
    .navbar .nav-mobile-drawer .dropdown-menu li a i,
    .navbar .nav-mobile-drawer .dropdown-menu li a span,
    .navbar .nav-mobile-drawer .nav-menu-center li a,
    .navbar .nav-mobile-drawer .nav-menu-center li a i,
    .navbar .nav-mobile-drawer .nav-menu-center li a span,
    .navbar .nav-mobile-drawer .nav-menu-right li a,
    .navbar .nav-mobile-drawer .nav-menu-right li a i,
    .navbar .nav-mobile-drawer .nav-menu-right li a span,
    .navbar .nav-mobile-drawer .dropdown-toggle,
    .navbar .nav-mobile-drawer .dropdown-toggle i,
    .navbar .nav-mobile-drawer .nav-link-home,
    .navbar .nav-mobile-drawer .nav-link-home i,
    .navbar .nav-mobile-drawer .dropdown-chevron-btn,
    .navbar .nav-mobile-drawer .dropdown-chevron-btn i {
        color: #ffffff !important;
    }
}