/* =========================================
   1. Variáveis e Cores (Design System)
   ========================================= */
:root {
    /* Palette alves-dev (Default Dark Mode) */
    --color-bg-body: #0F172A;       /* Midnight Slate */
    --color-bg-card: #1E293B;       /* Card Slate */
    --color-bg-input: #0F172A;      /* Input field background */

    --color-primary: #10B981;       /* Spring Emerald (Ações, Sucesso) */
    --color-primary-hover: #059669; /* Emerald Darker */

    --color-secondary: #3B82F6;     /* Reliable Blue (Links, Info) */
    --color-danger: #EF4444;        /* Bug Red (Erro) */

    --color-text-main: #F1F5F9;     /* Cloud White */
    --color-text-muted: #94A3B8;    /* Steel Grey */

    --border-color: #334155;        /* Slate border */
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);

    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Classe para Tema Claro (Para uso futuro nas outras páginas) */
body.light-theme {
    --color-bg-body: #F1F5F9;       /* Cloud White */
    --color-bg-card: #FFFFFF;       /* Pure White */
    --color-bg-input: #E2E8F0;
    --color-text-main: #0F172A;     /* Midnight Slate */
    --color-text-muted: #64748B;
    --border-color: #CBD5E1;
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* =========================================
   2. Reset & Base
   ========================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-bg-body);
    color: var(--color-text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* =========================================
   3. Componentes Globais
   ========================================= */
a {
    color: var(--color-secondary);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* Botões Genéricos */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #0F172A; /* Contraste forte no verde */
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
}

/* =========================================
   4. Página de Login (Layout Específico)
   ========================================= */
.login-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-card {
    background-color: var(--color-bg-card);
    padding: 3rem 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-card);
    width: 100%;
    max-width: 420px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.login-logo {
    margin-bottom: 2rem;
    /* O SVG vai se adaptar aqui */
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text-main);
}

.login-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
}

/* Botão Google Customizado */
.btn-google {
    background-color: #FFFFFF;
    color: #1F2937;
    width: 100%;
    border: 1px solid var(--border-color);
    font-size: 1rem;
    position: relative;
}
.btn-google:hover {
    background-color: #F8FAFC;
    border-color: var(--color-secondary); /* Toque da marca no hover */
}

.footer-login {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* =========================================
   5. Layout Dashboard (Navbar & Sidebar)
   ========================================= */

/* --- Navbar --- */
.navbar {
    height: 64px;
    background-color: var(--color-bg-card); /* Card Slate */
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
    transition: background-color 0.3s, border-color 0.3s;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 0.5rem;
    border-radius: 0.375rem;
    display: flex; /* Para alinhar o SVG */
}
.menu-toggle:hover {
    background-color: rgba(255,255,255, 0.05);
    color: var(--color-text-main);
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text-main);
    text-decoration: none;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* User Profile na Navbar */
.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-left: 1px solid var(--border-color);
    padding-left: 1.5rem;
}

.user-photo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-primary);
}

.user-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-main);
}

.logout-link {
    font-size: 0.75rem;
    color: var(--color-danger); /* Vermelho sutil para sair */
    text-decoration: none;
}

/* --- Sidebar --- */
.sidebar {
    width: 260px;
    height: calc(100vh - 64px); /* Altura total menos navbar */
    background-color: var(--color-bg-card);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 64px;
    left: 0;
    padding-top: 1.5rem;
    transition: transform 0.3s ease-in-out;
    z-index: 40;
    overflow-y: auto;
}

/* Estilo quando a sidebar está oculta (mobile ou toggle) */
.sidebar.closed {
    transform: translateX(-100%);
}

.sidebar-menu {
    list-style: none;
    padding: 0 0.75rem;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: var(--color-text-muted);
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
}

.nav-link svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* Hover State */
.nav-link:hover {
    background-color: rgba(59, 130, 246, 0.1); /* Azul bem transparente */
    color: var(--color-secondary); /* Azul */
}

/* Active State */
.nav-item.active .nav-link {
    background-color: var(--color-secondary); /* Azul Sólido */
    color: #FFFFFF;
}
/* Ajuste sutil no ícone quando ativo */
.nav-item.active .nav-link svg {
    stroke: #FFFFFF;
}

/* --- Theme Toggle (Switch Moderno) --- */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
}
.theme-switch {
    display: inline-block;
    height: 24px;
    position: relative;
    width: 44px;
}
.theme-switch input {
    display: none;
}
.slider {
    background-color: var(--border-color);
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
}
.slider:before {
    background-color: var(--color-text-main);
    bottom: 3px;
    content: "";
    height: 18px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 18px;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: var(--color-primary);
}
input:checked + .slider:before {
    transform: translateX(19px);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%); /* Começa escondida no mobile */
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .user-name {
        display: none; /* Esconde nome no mobile para economizar espaço */
    }
}

/* =========================================
   6. Layout Engine (Correção do Sidebar)
   ========================================= */

/* Wrapper evita rolagem horizontal indesejada */
.wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
    background-color: var(--color-bg-body);
}

/* O Conteúdo Principal */
.main-content {
    flex: 1;
    margin-left: 260px; /* Largura da Sidebar */
    padding: 2rem; /* Espaçamento interno */
    transition: margin-left 0.3s ease-in-out;
    width: 100%;
    margin-top: 64px; /* Altura da Navbar (opcional se navbar for fixed) */
}

/* Estado: Sidebar Fechada (Desktop) */
/* Essa classe será adicionada ao BODY via JS */
body.sidebar-closed .sidebar {
    transform: translateX(-100%);
}

body.sidebar-closed .main-content {
    margin-left: 0; /* Conteúdo expande */
}

/* Estado: Mobile */
@media (max-width: 768px) {
    /* No mobile, o conteúdo sempre ocupa tudo */
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    /* Sidebar começa escondida no mobile (sem classe extra) */
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }

    /* Quando aberta no mobile, ela entra por cima (com sombra) */
    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: 5px 0 15px rgba(0,0,0,0.5);
    }
}