/* --- CONFIGURAÇÕES GLOBAIS E VARIÁVEIS DE COR --- */
:root {
    /* Paleta de Cores (Tema Escuro por padrão) */
    --bg-color: #040D12;       /* Fundo escuro */
    --text-color: #f3f3f3;     /* Texto claro */
    --primary-red: #C63C51;    /* Vermelho (Netflix) */
    --card-bg: #141414;        /* Fundo dos cards/boxes */
    --border-color: #222;
    --hero-gradient: linear-gradient(to top, #040D12 10%, rgba(4, 13, 18, 0.5) 50%, rgba(4, 13, 18, 0) 100%);

    /* Transição suave */
    --transition-speed: 0.3s ease;
}

/* --- TEMA CLARO (LIGHT MODE) --- */
/* Esta classe será ativada via JavaScript */
body.light-mode {
    --bg-color: #f3f3f3;       /* Fundo claro */
    --text-color: #040D12;     /* Texto escuro */
    --card-bg: #ffffff;
    --border-color: #ddd;
    --hero-gradient: linear-gradient(to top, #f3f3f3 10%, rgba(243, 243, 243, 0.5) 50%, rgba(243, 243, 243, 0) 100%);
}

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

html {
    /* 3. ANIMAÇÃO SUAVE AO REDIRECIONAR (Scroll) */
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

h1, h2, h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

a {
    color: var(--primary-red);
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

section {
    padding: 4rem 5%;
}

/* --- BOTÕES E ELEMENTOS COMUNS --- */
.btn-primary {
    background-color: var(--primary-red);
    color: #fff;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: opacity var(--transition-speed);
}

.btn-primary:hover {
    opacity: 0.8;
}

/* --- PÁGINAS DE LOGIN E CADASTRO --- */
.login-page {
    background-color: var(--bg-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header-login {
    padding: 1.5rem 5%;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-red);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    padding: 2rem;
}

.login-box {
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: 8px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.login-box h1 {
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-group input {
    width: 100%;
    padding: 1rem;
    background-color: #333;
    border: 1px solid #555;
    border-radius: 4px;
    color: var(--text-color);
    font-size: 1rem;
}

/* Ajuste para o tema claro */
body.light-mode .input-group input {
    background-color: #eee;
    border-color: #ccc;
    color: var(--text-color);
}

.input-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: #8c8c8c;
    pointer-events: none;
    transition: all var(--transition-speed);
}

/* Animação do label (estilo Netflix) */
.input-group input:focus + label,
.input-group input:valid + label {
    top: 0.25rem;
    left: 0.75rem;
    font-size: 0.75rem;
    background-color: var(--card-bg);
    padding: 0 0.25rem;
}

.login-box .btn-primary {
    width: 100%;
    margin-top: 1rem;
}

.login-options {
    text-align: center;
    margin: 1rem 0;
}

.guest-login {
    color: #ccc;
    font-size: 0.9rem;
}
body.light-mode .guest-login { color: #555; }

.signup-link {
    margin-top: 2rem;
    color: #8c8c8c;
}
body.light-mode .signup-link { color: #555; }


/* --- PÁGINA PRINCIPAL (INDEX.HTML) --- */

/* Header Fixo */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 5%;
    background: linear-gradient(to bottom, rgba(4, 13, 18, 0.9) 0%, rgba(4, 13, 18, 0) 100%);
    z-index: 100;
    transition: background-color var(--transition-speed);
}
/* Header fica sólido ao rolar */
.main-header.scrolled {
    background-color: var(--bg-color);
}
body.light-mode .main-header.scrolled {
    background-color: var(--bg-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin: 0 1rem;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    transition: color var(--transition-speed);
}

.nav-links a:hover {
    color: var(--primary-red);
}

.nav-extras {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logout-btn {
    color: var(--text-color);
    font-size: 0.9rem;
}

/* Seletor de Tema (Dark/Light) */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
}

/* Esconde o ícone que não está ativo */
body .theme-toggle .fa-sun { display: none; }
body .theme-toggle .fa-moon { display: block; }
body.light-mode .theme-toggle .fa-sun { display: block; }
body.light-mode .theme-toggle .fa-moon { display: none; }

/* Seção Hero (Home) */
.hero-section {
    min-height: 100vh;
    background-image: var(--hero-gradient), url('https://i.redd.it/lx4gdcomr30d1.jpeg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    padding-bottom: 10rem;
}

.hero-content {
    max-width: 600px;
}
.hero-content h1 { font-size: 3.5rem; }
.hero-content p { font-size: 1.2rem; margin-bottom: 1.5rem; }
.hero-content .btn-primary { font-size: 1.2rem; }

/* Seções de Conteúdo (Filmes/Séries) */
.content-section {
    background-color: var(--bg-color);
    position: relative;
    z-index: 5;
    /* Efeito Netflix: Seção "entra" por cima do hero */
    margin-top: -5rem; 
}

.content-grid {
    display: grid;
    /* 2. RESPONSIVIDADE */
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.content-item {
    background-color: var(--card-bg);
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.content-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.content-item:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Seção Contato */
.contact-form {
    display: flex;
    flex-direction: column;
    max-width: 600px;
    margin: 0 auto;
    gap: 1rem;
}
.contact-form input,
.contact-form textarea {
    padding: 1rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}
body.light-mode .contact-form input,
body.light-mode .contact-form textarea {
    background-color: #fff;
    border-color: #ccc;
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 2rem 5%;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    color: #8c8c8c;
    font-size: 0.9rem;
}

/* --- 5. PLAYER SOBREPOSTO (MODAL) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: none; /* Escondido por padrão */
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity var(--transition-speed);
}

/* Classe JS para exibir o modal */
.modal-overlay.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    background-color: #000;
    border-radius: 8px;
    overflow: hidden;
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 2.5rem;
    color: #fff;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.video-container {
    /* Proporção 16:9 */
    position: relative;
    padding-top: 56.25%; 
    height: 0;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* --- 2. RESPONSIVIDADE (MEDIA QUERIES) --- */
@media (max-width: 768px) {
    .nav-links {
        /* Esconde o menu principal em telas menores (pode ser substituído por um menu hambúrguer) */
        display: none;
    }

    .hero-section {
        padding-bottom: 5rem;
        text-align: center;
    }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-content p { font-size: 1rem; }

    .content-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 0.5rem;
    }

    .login-box {
        padding: 2rem;
    }
}