/* ============================================
   JEAN NA ESTRADA - DESIGN SYSTEM PREMIUM
   ============================================
   Cores: Dark Blue (#08101B) + Azul Neon (#00B8FF)
   Tipografia: Raleway + Inter
   Estilo: Glassmorphism + Neon Glow
   ============================================ */

/* ============================================
   IMPORTAÇÃO DE FONTES (Google Fonts)
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@800&family=Inter:wght@400;600;700&display=swap');

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

/* ============================================
   VARIÁVEIS GLOBAIS
   ============================================ */
:root {
    --color-bg-primary: #08101B;
    --color-bg-card: #111827;
    --color-bg-card-hover: #1a2538;
    --color-blue-primary: #00B8FF;
    --color-blue-secondary: #1E90FF;
    --color-pink: #FF2D55;
    --color-orange: #FFA500;
    --color-white: #FFFFFF;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #94A3B8;
    
    --font-title: 'Raleway', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --shadow-card: 0 4px 20px rgba(0, 184, 255, 0.08);
    --shadow-glow: 0 0 40px rgba(0, 184, 255, 0.15);
    --radius-card: 16px;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   CORPO DA PÁGINA
   ============================================ */
body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   CABEÇALHO (COM BANNER + GLASSMORPHISM)
   ============================================ */
header {
    background: linear-gradient(135deg, rgba(8, 16, 27, 0.88), rgba(8, 16, 27, 0.92)), 
                url('imagens/banner.png') center/cover no-repeat;
    color: white;
    padding: 16px 20px;
    position: sticky;
    top: 0;
    z-index: 1500;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(0, 184, 255, 0.15);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.header-content h1 {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 22px;
    background: linear-gradient(135deg, var(--color-blue-primary), var(--color-blue-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    flex: 1;
    text-align: center;
}

.header-placeholder {
    width: 30px;
}

/* ============================================
   MENU HAMBÚRGUER (NEON)
   ============================================ */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1600;
    position: relative;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-blue-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
    transform-origin: center;
    box-shadow: 0 0 10px rgba(0, 184, 255, 0.3);
}

.menu-toggle.ativo span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.menu-toggle.ativo span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.menu-toggle.ativo span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   MENU LATERAL (GLASSMORPHISM + NEON)
   ============================================ */
.menu-lateral {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100%;
    background: rgba(8, 16, 27, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(0, 184, 255, 0.15);
    padding: 20px 20px 30px;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2000;
    box-shadow: 4px 0 40px rgba(0, 0, 0, 0.6);
    overflow-y: auto;
}

.menu-lateral.aberto {
    left: 0;
}

.menu-lateral ul {
    list-style: none;
    padding: 0;
    margin: 60px 0 0;
}

.menu-lateral ul li {
    margin-bottom: 4px;
    position: relative;
}

.menu-lateral ul li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-card);
    transition: var(--transition-smooth);
    font-size: 15px;
    font-weight: 500;
    font-family: var(--font-body);
    border: 1px solid transparent;
}

.menu-lateral ul li a:hover {
    background: rgba(0, 184, 255, 0.08);
    color: var(--color-text-primary);
    border-color: rgba(0, 184, 255, 0.15);
}

.menu-lateral ul li a.ativo {
    background: rgba(0, 184, 255, 0.12);
    color: var(--color-blue-primary);
    border-color: rgba(0, 184, 255, 0.25);
    box-shadow: 0 0 30px rgba(0, 184, 255, 0.05);
}

.menu-lateral ul li a.ativo::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--color-blue-primary);
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 20px rgba(0, 184, 255, 0.4);
}

.menu-footer {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    text-align: center;
    font-size: 12px;
    color: var(--color-text-secondary);
    border-top: 1px solid rgba(0, 184, 255, 0.08);
    padding-top: 15px;
    opacity: 0.6;
}

/* ============================================
   BOTÃO FECHAR (X) - CORRIGIDO
   ============================================ */
.fechar-menu {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(0, 184, 255, 0.15);
    color: var(--color-text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 22px;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    z-index: 2100;
    opacity: 0.9;
}

.fechar-menu:hover {
    background: rgba(255, 45, 85, 0.15);
    border-color: var(--color-pink);
    color: var(--color-pink);
    transform: rotate(90deg);
}

/* ============================================
   CONTEÚDO PRINCIPAL
   ============================================ */
main {
    max-width: 900px;
    margin: 20px auto;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

.menu-lateral.aberto ~ main {
    opacity: 0.5;
    pointer-events: none;
    transition: opacity 0.3s;
}

/* ============================================
   SEÇÕES (CARDS GLASSMORPHISM)
   ============================================ */
section {
    background: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 184, 255, 0.08);
    border-radius: var(--radius-card);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
}

section:hover {
    border-color: rgba(0, 184, 255, 0.15);
    box-shadow: var(--shadow-glow);
}

section h2 {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 22px;
    color: var(--color-blue-primary);
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(0, 184, 255, 0.15);
    letter-spacing: 0.5px;
    text-shadow: 0 0 30px rgba(0, 184, 255, 0.1);
}

/* ============================================
   LISTA DE VÍDEOS (CARDS NEON)
   ============================================ */
.video-item {
    background: rgba(17, 24, 39, 0.6);
    border: 1px solid rgba(0, 184, 255, 0.06);
    border-radius: var(--radius-card);
    padding: 16px;
    margin-bottom: 20px;
    transition: var(--transition-smooth);
}

.video-item:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 184, 255, 0.2);
    box-shadow: 0 8px 30px rgba(0, 184, 255, 0.05);
}

.video-item h3 {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 17px;
    color: var(--color-text-primary);
    margin-bottom: 4px;
    line-height: 1.4;
}

.video-item .data-publicacao {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
}

.video-item .player-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    background: #000;
    margin: 10px 0;
    border: 1px solid rgba(0, 184, 255, 0.08);
}

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

.video-item .link-youtube {
    display: inline-block;
    margin-top: 10px;
    color: var(--color-blue-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    font-family: var(--font-body);
    transition: var(--transition-smooth);
}

.video-item .link-youtube:hover {
    color: var(--color-pink);
    text-shadow: 0 0 20px rgba(255, 45, 85, 0.3);
}

/* ============================================
   LISTA DE ARQUIVOS
   ============================================ */
#lista-arquivos {
    list-style: none;
    padding: 0;
}

#lista-arquivos li {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(17, 24, 39, 0.4);
    margin-bottom: 10px;
    padding: 14px 18px;
    border-radius: var(--radius-card);
    transition: var(--transition-smooth);
    border-left: 3px solid var(--color-blue-primary);
}

#lista-arquivos li:hover {
    background: rgba(0, 184, 255, 0.05);
    transform: translateX(4px);
    border-left-color: var(--color-pink);
}

#lista-arquivos li .arquivo-icon {
    font-size: 18px;
}

#lista-arquivos li a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    flex: 1;
    font-family: var(--font-body);
    transition: var(--transition-smooth);
}

#lista-arquivos li a:hover {
    color: var(--color-text-primary);
}

/* ============================================
   BOTÕES (GRADIENTE NEON)
   ============================================ */
.btn-principal {
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-card);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #0066FF, var(--color-blue-primary));
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(0, 184, 255, 0.25);
}

.btn-principal:hover {
    background: linear-gradient(135deg, var(--color-pink), var(--color-orange));
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(255, 45, 85, 0.3);
}

.btn-secundario {
    padding: 12px 28px;
    border: 1px solid rgba(0, 184, 255, 0.2);
    border-radius: var(--radius-card);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-secundario:hover {
    background: rgba(0, 184, 255, 0.05);
    border-color: var(--color-blue-primary);
    color: var(--color-text-primary);
    transform: translateY(-2px);
}

/* ============================================
   RODAPÉ
   ============================================ */
footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--color-text-secondary);
    font-size: 13px;
    border-top: 1px solid rgba(0, 184, 255, 0.05);
    margin-top: 20px;
    opacity: 0.7;
}

/* ============================================
   GLASSMORPHISM - CLASSE REUTILIZÁVEL
   ============================================ */
.glass {
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 184, 255, 0.1);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */
@media (max-width: 600px) {
    .header-content h1 {
        font-size: 17px;
    }
    
    .menu-lateral {
        width: 260px;
        left: -260px;
        padding: 16px 16px 20px;
    }
    
    .fechar-menu {
        top: 12px;
        right: 12px;
        width: 36px;
        height: 36px;
        font-size: 20px;
    }
    
    .menu-lateral ul {
        margin-top: 50px;
    }
    
    section {
        padding: 16px;
        border-radius: 12px;
    }
    
    section h2 {
        font-size: 18px;
    }
    
    .video-item h3 {
        font-size: 15px;
    }
    
    .btn-principal, .btn-secundario {
        padding: 10px 18px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
    }
}

@media (min-width: 1024px) {
    main {
        max-width: 1000px;
        padding: 0 24px;
    }
    
    section {
        padding: 32px;
    }
}