:root {
    /* Paleta Identitária do Gabinete */
    --wine-primary: #8A253C; 
    --wine-dark: #5C1525;    
    --wine-light: #A4344B;   
    --grey-bg: #f8f9fc;      
    --grey-border: #e0e4e8;
    --sidebar-width: 260px;
    --navbar-height: 70px;
    --primary-soft: rgba(13, 110, 253, 0.08);
    --text-main: #333;
    --card-bg: #fff;
}

/* Modo Escuro (Dark Mode) */
[data-theme="dark"] {
    --wine-primary: #A4344B;
    --wine-dark: #8A253C;
    --grey-bg: #121212;
    --grey-border: #2d2d2d;
    --primary-soft: rgba(13, 110, 253, 0.15);
    --text-main: #e0e0e0;
    --card-bg: #1e1e1e;
}

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

/* Suporte de Cores para o Dark Mode nos Elementos Principais */
[data-theme="dark"] .card, 
[data-theme="dark"] .card-header,
[data-theme="dark"] .navbar-custom,
[data-theme="dark"] #sidebar,
[data-theme="dark"] .empty-state {
    background-color: var(--card-bg) !important;
    border-color: var(--grey-border) !important;
    color: var(--text-main) !important;
}

[data-theme="dark"] .text-muted,
[data-theme="dark"] .text-secondary {
    color: #a0a0a0 !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: #2b2b2b;
    border-color: #444;
    color: var(--text-main);
}

[data-theme="dark"] .form-control:focus {
    background-color: #333;
    color: var(--text-main);
}


/* Estrutura Principal */
#content {
    margin-left: var(--sidebar-width) !important;
    width: calc(100% - var(--sidebar-width)) !important;
    transition: all 0.3s;
}

.main-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
}

/* Barra Superior (Navbar) */
.navbar-custom {
    height: var(--navbar-height);
    background: #fff;
    border-bottom: 1px solid var(--grey-border);
    padding: 0 1.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.05);
}

.user-nav-item { padding: 0 10px; border-left: 1px solid var(--grey-border); margin-left: 10px; }
.user-nav-link { display: flex; align-items: center; color: #4e73df; text-decoration: none; font-weight: 700; font-size: 0.9rem; }
.user-avatar { width: 35px; height: 35px; background: var(--primary-soft); color: #4e73df; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-left: 10px; }

/* Cartões Premium (Widgets e Tabelas) */
.card {
    border-radius: 12px;
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.05);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid var(--grey-border);
    border-top-left-radius: 12px !important;
    border-top-right-radius: 12px !important;
}

/* Barra de Pesquisa Global */
.search-container { position: relative; max-width: 400px; width: 100%; }
.search-container i { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: #adb5bd; }
.search-container input { padding-left: 40px; border-radius: 20px; background-color: #f8f9fa; border: 1px solid #dee2e6; font-weight: 600; color: #495057;}
.search-container input:focus { background-color: #fff; box-shadow: 0 0 0 0.25rem rgba(138, 37, 60, 0.15); border-color: var(--wine-primary); outline: none;}

/* Estados Vazios (Empty States) */
.empty-state { padding: 60px 20px; text-align: center; background: #fff; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border: 1px solid #e9ecef; }
.empty-state i { font-size: 4rem; color: #adb5bd; margin-bottom: 20px; }
.empty-state h4 { color: #495057; font-weight: 700; }

/* Responsividade Mobile */
@media (max-width: 768px) {
    #content { margin-left: 0 !important; width: 100% !important; }
    .main-container { padding: 1rem; }
}