/* ==========================================================================
   Variáveis de Tema e Estilos Globais
   ========================================================================== */
:root {
    --bg-color: #f4f7f6;
    --sidebar-bg: #ffffff;
    --surface-color: #ffffff;
    --text-color: #333333;
    --text-secondary-color: #555555;
    --primary-color: #3f51b5;
    --primary-color-dark: #303f9f;
    --border-color: #e0e0e0;
    --hover-bg: #f0f0f0;
    --input-bg: #fdfdfd;
}

body.dark-theme {
    --bg-color: #121212;
    --sidebar-bg: #1e1e1e;
    --surface-color: #1e1e1e;
    --text-color: #e0e0e0;
    --text-secondary-color: #bbbbbb;
    --primary-color: #757de8;
    --primary-color-dark: #5c6bc0;
    --border-color: #2c2c2c;
    --hover-bg: #2c2c2c;
    --input-bg: #252525;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

/* ==========================================================================
   Layout da Aplicação (Sidebar + Conteúdo)
   ========================================================================== */
.app-container { display: flex; height: 100vh; width: 100vw; }
#app-sidebar { width: 260px; background-color: var(--sidebar-bg); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; padding: 1.5rem 1rem; box-sizing: border-box; transition: width 0.3s ease, padding 0.3s ease; }
#app-sidebar.collapsed { width: 80px; padding: 1.5rem 0.5rem; align-items: center; }
.sidebar-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; width: 100%; }
.sidebar-header .logo { font-size: 1.5em; font-weight: bold; color: var(--primary-color); white-space: nowrap; overflow: hidden; }
#app-sidebar.collapsed .logo { display: none; }
#sidebar-toggle { background: none; border: none; cursor: pointer; color: var(--text-secondary-color); }
.main-nav { flex-grow: 1; }
.main-nav ul { list-style: none; padding: 0; margin: 0; }
.main-nav a { display: flex; align-items: center; gap: 1rem; padding: 0.8rem 1rem; text-decoration: none; color: var(--text-secondary-color); border-radius: 8px; margin-bottom: 0.5rem; transition: background-color 0.2s, color 0.2s; white-space: nowrap; overflow: hidden; }
#app-sidebar.collapsed .main-nav a { justify-content: center; padding: 0.8rem; }
#app-sidebar.collapsed .main-nav .nav-text { display: none; }
.main-nav a:hover { background-color: var(--hover-bg); color: var(--primary-color); }
.main-nav a.active { background-color: var(--primary-color); color: white; font-weight: 500; }
.sidebar-footer { margin-top: auto; }
.profile-menu { position: relative; }
.profile-btn { display: flex; align-items: center; gap: 0.75rem; width: 100%; padding: 0.75rem; border-radius: 8px; background: none; border: none; cursor: pointer; text-align: left; color: var(--text-color); }
#app-sidebar.collapsed .profile-btn span, #app-sidebar.collapsed .profile-btn .arrow-icon { display: none; }
.profile-btn:hover { background-color: var(--hover-bg); }
.profile-dropdown { display: none; position: absolute; bottom: 110%; left: 0; width: 100%; background-color: var(--surface-color); box-shadow: 0 -4px 12px rgba(0,0,0,0.1); border-radius: 8px; overflow: hidden; }
.profile-menu.open .profile-dropdown { display: block; }
.profile-dropdown a { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; text-decoration: none; color: var(--text-color); }
.profile-dropdown a:hover { background-color: var(--hover-bg); }
#theme-toggle { width: 100%; margin-top: 0.5rem; }
#app-sidebar.collapsed #theme-toggle span { display: none; }
#main-content { flex-grow: 1; padding: 2rem; overflow-y: auto; }
.content-area { padding-top: 0; }
@media (max-width: 900px) {
    #app-sidebar { position: fixed; left: -260px; z-index: 1100; height: 100%; transition: left 0.3s ease; }
    #app-sidebar.open { left: 0; }
    #mobile-menu-toggle-open { display: block; position: fixed; top: 1rem; left: 1rem; z-index: 1050; background: var(--surface-color); border-radius: 50%; padding: 0.5rem; box-shadow: 0 2px 5px rgba(0,0,0,0.2); }
    #app-sidebar #sidebar-toggle { display: block; }
}
@media (min-width: 901px) { #mobile-menu-toggle-open { display: none; } }

/* ==========================================================================
   Estilos dos Módulos
   ========================================================================== */
.module-container {
    max-width: 900px;
    margin: 0 auto;
}
.module-container h2 {
    font-size: 1.8em;
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
}
.module-container p {
    font-size: 1.1em;
    color: var(--text-secondary-color);
    margin-bottom: 2rem;
}

.generation-form {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.form-group {
    display: flex;
    flex-direction: column;
}
.form-group.full-width {
    grid-column: 1 / -1;
}
.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary-color);
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
}
.form-group textarea {
    min-height: 100px;
    resize: vertical;
}
.form-group details {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}
.form-group summary {
    cursor: pointer;
    font-weight: 500;
    color: var(--primary-color);
}
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}
.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.submit-btn {
    grid-column: 1 / -1;
    padding: 0.8rem;
    font-size: 1.1rem;
    font-weight: bold;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
}
.submit-btn:hover {
    background-color: var(--primary-color-dark);
}

/* Tela de Boas-Vindas */
.welcome-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    color: var(--text-secondary-color);
}
.welcome-container h2 {
    border: none;
}
.welcome-icon {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    opacity: 0.5;
}