/* ============================================
           ESTILOS GERAIS E DO PAINEL
============================================ */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem; 
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* Isola os estilos do painel para não afetarem a página de login */
body:not(.login-page) .main-nav {
    width: 240px; height: 100vh; background-color: var(--bg-secondary); padding-top: 20px;
    position: fixed; top: 0; left: 0; z-index: 1010;
    box-shadow: 2px 0 5px var(--shadow-color);
    transition: transform 0.3s ease-in-out;
}

body:not(.login-page) .main-content {
    margin-top: 60px; margin-left: 240px; padding: 30px;
    width: calc(100% - 240px);
    transition: margin-left 0.3s ease-in-out;
}

body:not(.login-page) .main-header {
    width: calc(100% - 240px); height: 60px; background-color: var(--bg-secondary);
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 30px; box-shadow: 0 2px 4px var(--shadow-color);
    position: fixed; top: 0; left: 240px; z-index: 1000;
    transition: width 0.3s ease-in-out, left 0.3s ease-in-out;
}

/* (O restante dos estilos do painel que já funcionavam) */
.header-left, .header-right, .user-info { display: flex; align-items: center; }
.header-left { gap: 15px; } .header-right { gap: 20px; } .user-info { gap: 10px; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--accent-primary); display: block; }
.logo i { margin-right: 10px; }
#theme-toggle-btn, .logout-btn { background: none; border: none; color: var(--text-secondary); font-size: 1.2rem; cursor: pointer; transition: color 0.2s; }
#theme-toggle-btn:hover, .logout-btn:hover { color: var(--accent-primary); }
.menu-toggle-btn { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.3rem; cursor: pointer; }
.main-nav ul { list-style: none; padding-top: 10px; }
.main-nav .logo { padding: 0 20px; position: absolute; top: 15px; }
.main-nav ul li a { display: flex; align-items: center; padding: 15px 20px;display: flex; align-items: center; padding: 15px 20px; color: var(--text-secondary); text-decoration: none; font-weight: 400; transition: background-color 0.2s, color 0.2s; border-left: 4px solid transparent; }
.main-nav ul li a:hover { background-color: var(--bg-hover); color: var(--accent-primary); border-left-color: var(--accent-primary); }
.main-nav ul li a i { width: 30px; margin-right: 10px; font-size: 1.1rem; text-align: center; }
.page-header { margin-bottom: 2rem; }
.page-header h2 { font-weight: 600; font-size: 1.8rem; color: var(--text-primary); }

/* --- Layout Principal --- */
.main-nav {
    width: 240px;
    height: 100vh; /* Mantém a altura total da tela */
    background-color: var(--bg-secondary);
    padding-top: 20px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1010;
    box-shadow: 2px 0 5px var(--shadow-color);
    transition: transform 0.3s ease-in-out;

    /* --- INÍCIO DA ALTERAÇÃO --- */
    overflow-y: auto; /* Adiciona a barra de rolagem vertical QUANDO NECESSÁRIO */
    overflow-x: hidden; /* Garante que não haja rolagem horizontal */
}

/* Estilização opcional para uma barra de rolagem mais moderna (funciona em Chrome, Edge, Safari) */
.main-nav::-webkit-scrollbar {
    width: 8px;
}

.main-nav::-webkit-scrollbar-track {
    background: transparent;
}

.main-nav::-webkit-scrollbar-thumb {
    background-color: var(--accent-primary, #3182ce);
    border-radius: 10px;
    border: 3px solid var(--bg-secondary, #ffffff);
}
/* --- FIM DA ALTERAÇÃO --- */

/* ============================================
           ESTILOS DA PÁGINA DE LOGIN
============================================ */

.login-wrapper {
    display: flex;
    width: 100vw;
    min-height: 100vh; /* Usa min-height para acomodar conteúdo no mobile */
}

.login-image-side {
    width: 80%;
    /* A URL foi trocada pelo caminho relativo para a imagem local */
    background: linear-gradient(rgba(49, 130, 206, 0.7), rgba(26, 32, 44, 0.8)), url('../img/Imagem_013.jpg');
    background-size: cover; 
    background-position: center; 
    color: white;
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    align-items: center;
    text-align: center; 
    padding: 40px;
}

.login-image-side .logo { font-size: 3rem; font-weight: 700; text-shadow: 2px 2px 8px rgba(0,0,0,0.5); }
.login-image-side p { font-size: 1.2rem; margin-top: 15px; font-weight: 300; max-width: 400px; }

.login-form-side {
    width: 50%;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    background-color: var(--bg-secondary); padding: 20px;
}

.login-card { width: 100%; max-width: 420px; }
.login-card h2 { font-weight: 600; margin-bottom: 1rem; color: var(--text-primary); }
.login-card .form-text { color: var(--text-secondary); }


/* ============================================
      REGRAS DE RESPONSIVIDADE UNIFICADAS
============================================ */
@media (max-width: 992px) {
    /* --- Responsividade do PAINEL --- */
    body:not(.login-page) .main-header { width: 100%; left: 0; }
    body:not(.login-page) .main-header .logo { display: none; }
    body:not(.login-page) .menu-toggle-btn { display: block; }
    body:not(.login-page) .main-nav { width: 100%; height: auto; top: 60px; min-height: 0; transform: translateY(-120%); padding-top: 10px; padding-bottom: 10px; box-shadow: 0 4px 12px var(--shadow-color); }
    body:not(.login-page) .main-nav .logo { display: none; }
    body:not(.login-page) .main-nav ul { padding-top: 0; }
    body:not(.login-page) .main-content { margin-left: 0; width: 100%; }
    body:not(.login-page).nav-open .main-nav { transform: translateY(0); }
    .nav-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); z-index: 1005; opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s; }
    body.nav-open .nav-overlay { opacity: 1; visibility: visible; }
    .user-info span { display: none; }

    /* --- Responsividade da PÁGINA DE LOGIN --- */
    .login-wrapper {
        flex-direction: column; /* Empilha os itens verticalmente */
    }

    .login-image-side {
        width: 100%;
        min-height: 250px;
        height: auto;
        padding: 20px;
        flex-shrink: 0;
    }
    
    .login-image-side .logo { font-size: 2.2rem; }
    .login-image-side p { font-size: 1rem; }
    
    .login-form-side {
        width: 100%;
        flex-grow: 1; /* Faz esta seção crescer e ocupar o espaço restante */
        justify-content: flex-start; /* Alinha o card do formulário ao TOPO */
        padding: 40px 20px; /* Aumenta o espaçamento vertical */
    }
}