/* =================================================================== */
/*                          CORE STYLESHEET                          */
/* =================================================================== */
/* Arquivo: /assets/css/core.css                                   */
/* Descrição: Folha de estilo principal e única para o projeto.    */
/* Metodologia: Estrutura inspirada em ITCSS (Inverted Triangle CSS) */
/* para organização e escalabilidade.                              */
/* =================================================================== */


/* =================================================================== */
/* 1. SETTINGS │ Variáveis globais (fontes, cores, sombras, etc.)   */
/* =================================================================== */

@charset "UTF-8";

:root {
    /* Tipografia */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', Consolas, 'Liberation Mono', Menlo, Courier, monospace;

    /* Unidades e Sombras */
    --border-radius: 6px;
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --spacing-xs: 0.5rem; /* 8px */
    --spacing-sm: 1rem;   /* 16px */
    --spacing-md: 1.5rem; /* 24px */
    --spacing-lg: 2rem;   /* 32px */

    /* Cores (Tema Claro) */
    --color-bg: #f8f9fa;
    --color-surface: #ffffff;
    --color-text-primary: #212529;
    --color-text-secondary: #6c757d;
    --color-border: #dee2e6;
    --color-primary: #007bff;
    --color-primary-hover: #0069d9;
    --color-danger: #dc3545;
    --color-danger-hover: #c82333;
    --color-success: #28a745;
    --color-success-hover: #218838;
    --color-warning: #ffc107;
    --color-warning-hover: #e0a800;
    --color-info: #17a2b8;
    --color-info-hover: #138496;
    --color-secondary-bg: #e9ecef;
    --color-secondary-hover: #ced4da;
    --logo-invert-value: 0;

    /* Cores do Gradiente (Tema Claro) */
    --gradient-color-1: #a3e635;
    --gradient-color-2: #22d3ee;
}

html.dark-mode {
    /* Cores (Tema Escuro) */
    --color-bg: #060907;
    --color-surface: #122B18;
    --color-text-primary: #a7d9b0;
    --color-text-secondary: #6e9a78;
    --color-border: #224b2e;
    --color-primary: #a3e635; 
    --color-primary-hover: #bef264;
    --color-danger: #f87171;
    --color-danger-hover: #ef4444;
    --color-success: #10b981;
    --color-success-hover: #059669;
    --color-warning: #fde047;
    --color-warning-hover: #fbbf24;
    --color-info: #67e8f9;
    --color-info-hover: #22d3ee;
    --color-secondary-bg: #1f4228;
    --color-secondary-hover: #2a5a36;
    --logo-invert-value: 1; 

    /* Cores do Gradiente (Tema Escuro) */
    --gradient-color-1: #a3e635;
    --gradient-color-2: #10b981;
}


/* =================================================================== */
/* 2. GENERIC │ Reset e Normalização de estilos                     */
/* =================================================================== */

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

html, body, .dashboard-layout {
    transform: none !important;
    filter: none !important;
    perspective: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}


/* =================================================================== */
/* 3. BASE │ Estilos para elementos HTML puros (h1, p, a, etc.)      */
/*    (REFEITO PARA MAIOR PADRONIZAÇÃO E FLUIDEZ)                    */
/* =================================================================== */

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.7;
    font-size: 16px;
}

/* Padronização de margens inferiores para elementos de bloco */
h1, h2, h3, h4, p, ul, ol, blockquote, .form-group, .message-box,
.progress-bar-container, .card, .info-card, .list-item, .code-output-block {
    margin-bottom: var(--spacing-sm);
}

/* Ajustes para o último elemento de um grupo, ou quando não precisa de margem */
.card > *:last-child,
.info-card > *:last-child,
.list-item:last-child,
.code-output-block > *:last-child,
.message-box:last-child,
.form-group:last-child {
    margin-bottom: 0;
}


h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; color: var(--color-text-secondary); font-weight: 500; }

p {
    color: var(--color-text-secondary);
    /* `max-width` removido para fluidez dentro de containers. Usar utilitários quando necessário. */
}

ul, ol {
    list-style: initial;
    padding-left: var(--spacing-md); /* Indentação padrão para marcadores */
    color: var(--color-text-secondary);
}

li {
    /* `margin-bottom` já gerenciado pela regra global de elementos de bloco */
}

blockquote {
    border-left: 4px solid var(--color-border);
    padding: var(--spacing-xs) var(--spacing-sm); /* Padding interno para o blockquote */
    color: var(--color-text-secondary);
    font-style: italic;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color .2s;
}
a:hover { color: var(--color-primary-hover); }

/* Transições globais para uma UI fluida (existente) */
body, h1, h2, h3, h4, p, .logo, .card, .info-card, .btn, .btn-secondary,
.mobile-header, .dropdown-selected, .dropdown-options, .switch {
    transition: background-color .3s ease-in-out, color .3s ease-in-out, border-color .3s ease-in-out, transform .2s ease, box-shadow .2s ease;
}
.info-card { transition: transform .2s ease, box-shadow .2s ease, background-color .3s ease-in-out, border-color .3s ease-in-out; }


/* =================================================================== */
/* 4. LAYOUT │ Estrutura principal da página (sidebar, main, etc.)   */
/*    (EXISTENTE - Não foi foco de refatoração nesta etapa)          */
/* =================================================================== */

.dashboard-layout { display: flex; min-height: 100vh; position: relative; }
.main-content { margin-left: 250px; flex-grow: 1; width: auto; position: relative; transition: margin-left .3s ease; }
.main-content > main { position: relative; z-index: 2; padding: var(--spacing-lg); }
.content-wrapper { max-width: 1100px; margin: 0 auto; }
#plexus-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; display: none; }
html.dark-mode #plexus-canvas { display: block; }

.sidebar { width: 250px; background-color: var(--color-surface); border-right: 1px solid var(--color-border); display: flex; flex-direction: column; padding: var(--spacing-sm); position: fixed; height: 100%; z-index: 10; transition: width .3s ease; }
.sidebar-header { margin-bottom: var(--spacing-sm); padding: var(--spacing-xs); }
.sidebar-main { flex-grow: 1; overflow-y: auto; }
.sidebar-footer { flex-shrink: 0; border-top: 1px solid var(--color-border); padding-top: var(--spacing-sm); margin-top: var(--spacing-sm); }

html.sidebar-preload-collapsed .sidebar { width: 80px; transition: none !important; }
html.sidebar-preload-collapsed .sidebar .nav-text { opacity: 0; }
html.sidebar-preload-collapsed .main-content { margin-left: 80px; transition: none !important; }
.sidebar.collapsed { width: 80px; }
.sidebar.collapsed + .main-content { margin-left: 80px; }
.sidebar.collapsed .nav-text, .sidebar.collapsed .language-switcher { opacity: 0; pointer-events: none; display: none; }
.sidebar.collapsed .sidebar-header { padding: var(--spacing-xs) 0; justify-content: center; }
.sidebar.collapsed .logo, .sidebar.collapsed .sidebar-nav a { justify-content: center; padding: 0; }
.sidebar.collapsed .sidebar-nav a .material-symbols-outlined { position: static; transform: none; }
.sidebar.collapsed .sidebar-footer { border-top-color: transparent; }
.sidebar.collapsed .sidebar-controls { flex-direction: column; gap: var(--spacing-xs); justify-content: center; }

.mobile-header { display: none; }
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); box-shadow: 0 0 20px rgba(0,0,0,0.2); z-index: 1100; }
    .sidebar.active { transform: translateX(0); }
    .main-content, .sidebar.collapsed + .main-content { margin-left: 0; width: 100%; }
    .main-content > main { padding: var(--spacing-sm); }
    .mobile-header { display: flex; align-items: center; justify-content: space-between; padding: 0 var(--spacing-sm); height: 60px; background-color: var(--color-surface); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 1000; margin: calc(-1 * var(--spacing-sm)) calc(-1 * var(--spacing-sm)) var(--spacing-sm) calc(-1 * var(--spacing-sm)); }
    .mobile-header .btn-icon { width: 44px; height: 44px; }
    .mobile-header-title { flex-grow: 1; text-align: center; justify-content: center; }
    .mobile-header-spacer { width: 44px; height: 44px; }
}


/* =================================================================== */
/* 5. COMPONENTS │ Estilos de elementos de UI reutilizáveis           */
/*    (REFEITO PARA PADRONIZAÇÃO E REUTILIZAÇÃO GLOBAL)              */
/* =================================================================== */

/* --- Cabeçalhos de Aplicação/Seção (H2 com ícone e P descrição) --- */
.app-header { text-align: center; margin-bottom: var(--spacing-lg); }
.app-header h2 {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-xs);
    width: fit-content; 
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-md); 
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}
.app-header p {
    max-width: none;
    font-size: 0.9rem;
    margin-top: calc(-1 * var(--spacing-xs));
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
    text-align: center;
}

/* --- Logo (existente) --- */
.logo { font-size: 1.5rem; font-weight: 700; color: var(--color-text-primary); text-decoration: none; display: flex; align-items: center; gap: 12px; height: 48px; }
.logo-icon { width: 28px; height: 28px; filter: invert(var(--logo-invert-value, 0)); transition: filter .3s; flex-shrink: 0; }

/* --- Navegação da Sidebar (existente) --- */
.sidebar-nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--spacing-xs); }
.sidebar-nav a { display: flex; align-items: center; position: relative; padding-left: 45px; height: 48px; border-radius: var(--border-radius); color: var(--color-text-secondary); font-weight: 500; overflow: hidden; }
.sidebar-nav a .material-symbols-outlined { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); }
.sidebar-nav a:hover { color: var(--color-text-primary); background-color: var(--color-secondary-bg); text-decoration: none; }
.sidebar-nav a.active { background-color: var(--color-primary); color: #fff; }
html.dark-mode .sidebar-nav a.active { color: #0D1A0F; }
.nav-text { white-space: nowrap; opacity: 1; transition: opacity 0.2s ease; line-height: 1; }
.sidebar-controls { display: flex; justify-content: space-around; align-items: center; }

/* --- Botões (existente e aprimorado) --- */
.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid transparent; border-radius: var(--border-radius); padding: .6rem 1.25rem; font-size: 1rem; font-weight: 500; cursor: pointer; text-decoration: none; user-select: none; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn-primary { background-color: var(--color-primary); color: #fff; border-color: var(--color-primary); }
html.dark-mode .btn-primary { color: #0D1A0F; }
.btn-primary:hover { background-color: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-secondary { background-color: var(--color-secondary-bg); color: var(--color-text-primary); border-color: var(--color-secondary-bg); }
.btn-secondary:hover { background-color: var(--color-secondary-hover); }
.btn-danger { background-color: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn-danger:hover { background-color: var(--color-danger-hover); border-color: var(--color-danger-hover); }
.btn-success { background-color: var(--color-success); color: #fff; border-color: var(--color-success); }
.btn-success:hover { background-color: var(--color-success-hover); border-color: var(--color-success-hover); }
.btn:disabled { background-color: var(--color-border); color: var(--color-text-secondary); cursor: not-allowed; border-color: var(--color-border); filter: saturate(.5); transform: none; box-shadow: none; }
.btn-icon { /* Removido padding, border-radius 50%, display inline-flex, etc. para permitir que outras classes controlem */
    background-color: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: 0.5rem; /* Padding padrão para ícones clicáveis */
    border-radius: 50%;
    display: inline-flex; /* Garante que o ícone fique centralizado e o hover seja circular */
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    text-decoration: none;
    flex-shrink: 0;
    box-shadow: none;
}
.btn-icon:hover { color: var(--color-text-primary); background-color: var(--color-secondary-bg); transform: scale(1.1); }
.btn-icon:active { transform: scale(1); }
.button-showcase { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); align-items: center; }

/* Botão Toggle Sidebar (existente) */
#sidebar-toggle { display: block; position: fixed; top: var(--spacing-sm); left: calc(250px - 14px); z-index: 15; width: 28px; height: 28px; padding: 0; background-color: var(--color-bg); border: 1px solid var(--color-border); box-shadow: 0 1px 4px rgba(0,0,0,0.07); transition: all .3s ease-in-out; }
.sidebar.collapsed ~ .main-content #sidebar-toggle { left: calc(80px - 14px); }
#sidebar-toggle:hover { transform: scale(1.15); box-shadow: var(--shadow-md); color: var(--color-primary); }
#sidebar-toggle:active { transform: scale(1); transition-duration: .1s; }
#sidebar-toggle .icon-collapse { transition: transform .4s ease-in-out; }
.sidebar.collapsed ~ .main-content #sidebar-toggle .icon-collapse { transform: rotate(180deg); }
@media (max-width: 900px) { #sidebar-toggle { display: none; } }

/* Botão Toggle Tema (existente) */
html.dark-mode #theme-toggle-btn .icon-sun { display: inline-block; }
html.dark-mode #theme-toggle-btn .icon-moon { display: none; }
#theme-toggle-btn .icon-sun { display: none; }
#theme-toggle-btn .icon-moon { display: inline-block; }

/* Cards (Base para a maioria dos conteúdos, existente) */
.component-block { margin-bottom: var(--spacing-lg); }
.card { background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: var(--spacing-md); position: relative; box-shadow: 0 1px 3px rgba(0,0,0,0.02); }
html.dark-mode .card, html.dark-mode .info-card { background-color: rgba(18, 43, 24, .2); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(34, 75, 46, .3); }
/* Ajuste para card-grid para permitir que items ocupem linha completa em telas menores */
.card-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: var(--spacing-md); 
} 
/* Para forçar um item a ocupar a largura total no grid */
.card-grid .detail-item-full-width {
    grid-column: 1 / -1; /* Ocupa todas as colunas disponíveis */
}


/* Info Cards (para exibir informações compactas, existente) */
.info-card { background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: var(--spacing-md); display: flex; flex-direction: column; }
.info-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.info-card h3 { display: flex; align-items: center; justify-content: center; gap: .5rem; font-size: 1.25rem; margin-bottom: .75rem; border-bottom: none; }
.info-card p { text-align: center; max-width: none; margin-left: auto; margin-right: auto; }

/* --- Controles de Formulário Genéricos (form-group, form-control) --- */
.form-group { margin-bottom: var(--spacing-md); }
.form-group label { display: block; font-weight: 500; margin-bottom: var(--spacing-xs); }
.form-control {
    width: 100%;
    height: 48px; /* Altura padrão para inputs/selects */
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    padding: 0 var(--spacing-sm); /* Padding horizontal para inputs/selects */
    border-radius: var(--border-radius);
    color: var(--color-text-primary);
    font-family: var(--font-sans); /* Fonte padrão para inputs */
    font-size: 1rem;
    transition: all .2s;
    appearance: none; /* Remove estilos nativos para selects */
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: text; /* Padrão para inputs */
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.2);
}
html.dark-mode .form-control:focus {
    box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.2);
}
textarea.form-control { /* Estilo específico para textarea */
    padding: var(--spacing-sm); /* Padding vertical para textareas */
    min-height: 150px; /* Altura mínima para textareas */
    height: auto;
    resize: vertical; /* Permite redimensionar verticalmente */
    line-height: 1.6;
    font-family: var(--font-mono); /* Fonte mono para código/texto longo */
    cursor: auto;
}

/* --- Dropdown Personalizado (Refatorado para ser mais simples e funcional com JS) --- */
/* Este estilo é para o dropdown CUSTOMIZADO (aquele com HTML/JS), não para <select class="form-control"> */
.custom-dropdown {
    position: relative;
    width: 100%;
}
.dropdown-selected {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    /* Adapta estilos do form-control */
    width: 100%;
    height: 48px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    padding: 0 var(--spacing-sm);
    border-radius: var(--border-radius);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all .2s;
}
.dropdown-selected:hover { /* Estilo de hover consistente */
    border-color: var(--color-primary);
}
.dropdown-selected span {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.dropdown-selected .material-symbols-outlined { /* Estiliza o ícone da seta */
    margin-left: auto; /* Empurra a seta para a direita */
    flex-shrink: 0; /* Impede que a seta encolha */
    color: var(--color-text-secondary);
    font-size: 1.25rem; /* Um pouco maior para visibilidade */
    transition: transform 0.2s;
    padding: 0;
    line-height: 1;
}
.custom-dropdown.show .dropdown-selected .material-symbols-outlined {
    transform: rotate(180deg); /* Gira a seta quando o dropdown está aberto */
}
.dropdown-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    z-index: 20;
    display: none; /* Escondido por padrão */
    max-height: 200px;
    overflow-y: auto;
    padding: var(--spacing-xs) 0; /* Padding interno */
}
.dropdown-options.show { display: block; }
.dropdown-option {
    padding: 0.75rem var(--spacing-sm);
    cursor: pointer;
    color: var(--color-text-primary);
    transition: background-color 0.2s;
}
.dropdown-option:hover, .dropdown-option.selected {
    background-color: var(--color-secondary-bg);
}

/* --- Botão Toggle (Switch) --- */
.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    gap: var(--spacing-sm);
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.switch {
    position: relative;
    display: block;
    width: 40px;
    height: 24px;
    background-color: var(--color-border);
    border-radius: 24px;
    transition: background-color 0.3s;
}
.switch::before {
    content: "";
    position: absolute;
    left: 2px;
    bottom: 2px;
    width: 20px;
    height: 20px;
    background-color: var(--color-surface);
    border-radius: 50%;
    transition: transform 0.3s;
}
.toggle-switch input:checked + .switch {
    background-color: var(--color-primary);
}
.toggle-switch input:checked + .switch::before {
    transform: translateX(16px);
}

/* --- Barras de Progresso Genéricas --- */
.progress-bar-container {
    height: 12px;
    width: 100%;
    background-color: var(--color-secondary-bg);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-border);
}
.progress-bar-fill {
    height: 100%;
    width: 0%; /* Largura inicial */
    background-color: var(--color-primary);
    border-radius: 12px;
    transition: width 0.5s ease-in-out, background-color 0.5s ease-in-out;
}
.progress-bar-fill.medium { background-color: var(--color-warning); } /* Amarelo */
.progress-bar-fill.high { background-color: var(--color-danger); } /* Vermelho */

/* --- Itens de Lista Estilizados (para To-Do, etc.) --- */
.list-unstyled { list-style: none; padding: 0; margin: 0; } /* Utilitário para resetar listas */
.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background-color: var(--color-secondary-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all .3s ease;
    animation: fadeIn .3s ease; /* Animação para novos itens de lista */
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.list-item:not(:last-child) { margin-bottom: var(--spacing-sm); }

.list-item-text {
    cursor: pointer;
    flex-grow: 1;
    user-select: none;
    color: var(--color-text-primary);
}
.list-item.is-completed { /* Classe para itens de lista concluídos (ex: Tasks) */
    background-color: var(--color-surface); /* Fundo mais claro para indicar concluído */
}
html.dark-mode .list-item.is-completed { background-color: rgba(18, 43, 24, .1); }
.list-item.is-completed .list-item-text {
    text-decoration: line-through;
    color: var(--color-text-secondary);
    opacity: 0.7;
}
.list-empty-message { /* Mensagem para listas vazias */
    text-align: center;
    color: var(--color-text-secondary);
    background-color: transparent;
    border: 2px dashed var(--color-border);
    padding: var(--spacing-lg) var(--spacing-sm);
    border-radius: var(--border-radius);
}

/* --- Blocos de Saída de Código/Dados --- */
.code-output-block {
    background-color: #1E1E1E; /* Fundo escuro para código */
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    max-height: 600px; /* Altura máxima com rolagem */
    overflow-y: auto; /* Adiciona barra de rolagem vertical */
    border: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    color: #F8F8F2; /* Cor de texto padrão para código */
}
.code-output-block pre { margin: 0; }
.code-output-block code.hljs {
    display: block;
    padding: 0; /* highlight.js já adiciona padding, resetamos aqui */
    background: none; /* remove background default do highlight.js */
}

/* --- Itens de Detalhes (para Dashboard, Info Cards) --- */
.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem var(--spacing-sm);
    background-color: var(--color-secondary-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}
.detail-item-label { font-weight: 500; color: var(--color-text-secondary); }
.detail-item-value { font-family: var(--font-mono); font-weight: 700; color: var(--color-text-primary); }

/* --- Mensagens de Feedback (.message-box) --- */
.message-box {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
    border: 1px solid transparent;
}
.message-box.message-box-error {
    background-color: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
}
html.dark-mode .message-box.message-box-error {
    background-color: rgba(220, 53, 69, 0.2);
    border-color: var(--color-danger);
    color: var(--color-danger);
}
.message-box.message-box-success {
    background-color: var(--color-success);
    color: #fff;
    border-color: var(--color-success);
}
html.dark-mode .message-box.message-box-success {
    background-color: rgba(40, 167, 69, 0.2);
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.message-box.message-box-info {
    background-color: var(--color-secondary-bg);
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

/* --- Estilos para Abas (Tabs) --- */
.tabs-component { margin-bottom: var(--spacing-lg); }
.tabs-nav {
    display: flex;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}
.tab-button {
    background-color: transparent;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px; /* Para alinhar perfeitamente com a borda inferior */
}
.tab-button:hover {
    color: var(--color-text-primary);
    background-color: var(--color-secondary-bg);
}
.tab-button.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.tabs-content {
    /* Sem estilo de fundo ou borda aqui, o conteúdo de cada painel pode estar dentro de um .card se necessário */
}
.tab-content-panel {
    display: none; /* Escondido por padrão */
    padding: var(--spacing-md) 0; /* Padding interno */
}
.tab-content-panel.active {
    display: block;
}

/* --- Estilos para Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.modal-content {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    max-width: 500px;
    width: 90%;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}
.modal-overlay.active .modal-content {
    transform: translateY(0);
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border);
}
.modal-header h3 {
    margin-bottom: 0;
    font-size: 1.25rem;
}
.modal-body {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    color: var(--color-text-secondary);
}
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-xs);
    border-top: 1px solid var(--color-border);
}


/* --- Estilos para Notificações (Toasts) --- */
.toast-notification {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-md);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}
.toast-notification.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.toast-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.toast-icon {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
}
.toast-message {
    font-size: 1rem;
    color: var(--color-text-primary);
}
.toast-timer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: rgba(0, 0, 0, 0.1);
    transform-origin: left;
}
.toast-notification.show .toast-timer {
    animation: toastTimer 4s linear forwards;
}
@keyframes toastTimer {
    from { width: 100%; background-color: var(--color-primary); }
    to { width: 0%; background-color: var(--color-primary); }
}
.toast-notification.success .toast-icon { color: var(--color-success); }
.toast-notification.success .toast-timer { background-color: var(--color-success); }
.toast-notification.error .toast-icon { color: var(--color-danger); }
.toast-notification.error .toast-timer { background-color: var(--color-danger); }
.toast-notification.info .toast-icon { color: var(--color-info); }
.toast-notification.info .toast-timer { background-color: var(--color-info); }

/* --- Componente Status Indicator Pill (para Dashboard) --- */
.status-indicator-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: .6rem 1.25rem;
    border-radius: var(--border-radius);
    background-color: var(--color-secondary-bg);
    border: 1px solid var(--color-border);
    transition: all .3s ease;
    font-weight: 500;
    line-height: 1;
    color: var(--color-text-primary); /* Default text color, will be overridden by JS classes */
}

.status-indicator-pill .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-border); /* Default dot color (neutral) */
    flex-shrink: 0;
    transition: background-color 0.3s ease;
}

/* Classes para JS controlar o estado */
.status-indicator-pill-success {
    /* Pode-se adicionar estilos específicos de fundo ou borda para o estado de sucesso se desejar */
    /* background-color: rgba(40, 167, 69, 0.1); */
    /* border-color: var(--color-success); */
}
.status-indicator-pill-danger {
    /* background-color: rgba(220, 53, 69, 0.1); */
    /* border-color: var(--color-danger); */
}


/* =================================================================== */
/* 6. PAGE-SPECIFIC │ Estilos únicos para páginas específicas         */
/*    (Contém apenas estilos globais da landing page)                */
/* =================================================================== */

@keyframes gradient-flow { to { background-position: 200% center; } }
.hero-section { text-align: center; padding: var(--spacing-lg) 0; }
.hero-section h1 {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 8vw, 3.5rem);
    background: linear-gradient(90deg, var(--gradient-color-1), var(--gradient-color-2), var(--gradient-color-1));
    background-size: 200% auto;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; color: transparent;
    animation: gradient-flow 5s linear infinite;
    border-bottom: none; padding-bottom: 0; margin-bottom: 0;
}

#about .card p { max-width: none; }
.news-item {
    /* Estilos base ajustados para o message-box-info */
    margin-bottom: var(--spacing-sm);
}


/* =================================================================== */
/* 7. UTILITIES │ Classes de ajuda para reuso                        */
/* =================================================================== */

.section-divider { height: var(--spacing-lg); width: 100%; }
.section-divider-small { border: 0; height: 1px; background-color: var(--color-border); margin: var(--spacing-sm) 0; }

/* Utilitários de Texto */
.text-justify { text-align: justify; }
.text-center { text-align: center; }
.text-danger { color: var(--color-danger) !important; }
.text-success { color: var(--color-success) !important; }
.text-info { color: var(--color-info) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-primary-color { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-text-secondary) !important; }
.text-muted { opacity: 0.7; }
.font-mono { font-family: var(--font-mono); }
.font-bold { font-weight: 700; }

/* Utilitários de Display e Flexbox */
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-items-start { align-items: flex-start; }
.align-items-center { align-items: center; }
.justify-content-start { justify-content: flex-start; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }
.justify-content-between { justify-content: space-between; }
.flex-grow-1 { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }


/* Utilitários de Espaçamento (Padding e Margin) */
/* Padronização de classes de espaçamento */
.p-0 { padding: 0 !important; } .p-xs { padding: var(--spacing-xs) !important; } .p-sm { padding: var(--spacing-sm) !important; } .p-md { padding: var(--spacing-md) !important; } .p-lg { padding: var(--spacing-lg) !important; }
.px-0 { padding-left: 0 !important; padding-right: 0 !important; } .px-xs { padding-left: var(--spacing-xs) !important; padding-right: var(--spacing-xs) !important; } .px-sm { padding-left: var(--spacing-sm) !important; padding-right: var(--spacing-sm) !important; } .px-md { padding-left: var(--spacing-md) !important; padding-right: var(--spacing-md) !important; } .px-lg { padding-left: var(--spacing-lg) !important; padding-right: var(--spacing-lg) !important; }
.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; } .py-xs { padding-top: var(--spacing-xs) !important; padding-bottom: var(--spacing-xs) !important; } .py-sm { padding-top: var(--spacing-sm) !important; padding-bottom: var(--spacing-sm) !important; } .py-md { padding-top: var(--spacing-md) !important; padding-bottom: var(--spacing-md) !important; } .py-lg { padding-top: var(--spacing-lg) !important; padding-bottom: var(--spacing-lg) !important; }

.m-0 { margin: 0 !important; } .m-xs { margin: var(--spacing-xs) !important; } .m-sm { margin: var(--spacing-sm) !important; } .m-md { margin: var(--spacing-md) !important; } .m-lg { margin: var(--spacing-lg) !important; }
.mt-0 { margin-top: 0 !important; } .mt-xs { margin-top: var(--spacing-xs) !important; } .mt-sm { margin-top: var(--spacing-sm) !important; } .mt-md { margin-top: var(--spacing-md) !important; } .mt-lg { margin-top: var(--spacing-lg) !important; }
.mb-0 { margin-bottom: 0 !important; } .mb-xs { margin-bottom: var(--spacing-xs) !important; } .mb-md { margin-bottom: var(--spacing-md) !important; } .mb-lg { margin-bottom: var(--spacing-lg) !important; }
.ml-0 { margin-left: 0 !important; } .mr-0 { margin-right: 0 !important; } .ml-xs { margin-left: var(--spacing-xs) !important; } .mr-xs { margin-right: var(--spacing-xs) !important; }
.ml-sm { margin-left: var(--spacing-sm) !important; } .mr-sm { margin-right: var(--spacing-sm) !important; } .ml-md { margin-left: var(--spacing-md) !important; } .mr-md { margin-right: var(--spacing-md) !important; }
.ml-lg { margin-left: var(--spacing-lg) !important; } .mr-lg { margin-right: var(--spacing-lg) !important; }
.mr-auto { margin-right: auto; } .ml-auto { margin-left: auto; } .mx-auto { margin-left: auto; margin-right: auto; }
.mt-auto { margin-top: auto; }

/* Utilitários de Gap para Flex/Grid */
.gap-0 { gap: 0 !important; } .gap-xs { gap: var(--spacing-xs) !important; } .gap-sm { gap: var(--spacing-sm) !important; } .gap-md { gap: var(--spacing-md) !important; } .gap-lg { gap: var(--spacing-lg) !important; }

/* Outros Utilitários */
.border-none { border: none !important; }
.rounded { border-radius: var(--border-radius) !important; }
.bg-transparent { background-color: transparent !important; }
.w-100 { width: 100% !important; }