:root {
    /* Light Mode (Padrão) */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-main: #f8fafc;
    --bg-sidebar: #ffffff; /* Fundo branco no modo claro */
    --bg-card: #ffffff;
    --bg-header: rgba(255, 255, 255, 0.8);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
}

/* Dark Mode Overrides */
[data-bs-theme="dark"] {
    --bg-main: #020617;
    --bg-sidebar: #0f172a; /* Fundo escuro no modo escuro */
    --bg-card: #0f172a;
    --bg-header: rgba(15, 23, 42, 0.8);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #1e293b;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Sidebar */
.sidebar {
    background-color: var(--bg-sidebar);
    height: 100vh;
    padding: 1rem 0.75rem;
    position: fixed;
    z-index: 1000;
    border-right: 1px solid var(--border-color);
    transition: all 0.3s ease;
    overflow-y: hidden; /* Removemos a rolagem visível */
}

.sidebar:hover {
    overflow-y: auto; /* Só mostra se realmente precisar e passar o mouse */
}

.sidebar-brand {
    padding: 0.5rem 0.8rem 1.5rem;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar .nav-link {
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.45rem 0.8rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.15rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    font-size: 0.85rem;
}

.sidebar .nav-link i {
    width: 20px;
    margin-right: 10px;
    font-size: 0.95rem;
    text-align: center;
}

.menu-category {
    display: block;
    padding: 0.8rem 0.8rem 0.25rem;
    font-size: 0.6rem;
    font-weight: 800;
    color: var(--text-muted) !important;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.6;
}

/* Navbar mais fina */
.top-navbar {
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 2rem;
    position: sticky;
    top: 0;
    z-index: 999;
}

/* Dark Mode Fine Tuning */
[data-bs-theme="dark"] .bg-light {
    background-color: #1e293b !important;
    color: #f1f5f9 !important;
}

[data-bs-theme="dark"] .card-header {
    background-color: rgba(255,255,255,0.03) !important;
    border-bottom-color: var(--border-color);
}

[data-bs-theme="dark"] .text-muted {
    color: #94a3b8 !important;
}

[data-bs-theme="dark"] .table {
    color: #f1f5f9;
    border-color: #1e293b;
}

[data-bs-theme="dark"] .table thead th {
    background-color: #020617;
    color: #94a3b8;
    border-bottom-color: #1e293b;
}

[data-bs-theme="dark"] input, 
[data-bs-theme="dark"] select, 
[data-bs-theme="dark"] textarea {
    background-color: #020617 !important;
    border-color: #1e293b !important;
    color: #f1f5f9 !important;
}

.sidebar .nav-link {
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.25rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
}

.sidebar .nav-link i {
    width: 24px;
    margin-right: 12px;
    font-size: 1.1rem;
}

.sidebar .nav-link:hover {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.sidebar .nav-link.active {
    background-color: var(--primary);
    color: white !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Navbar */
.top-navbar {
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 999;
}

/* Cards SaaS Full */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -10px rgba(0,0,0,0.15);
}

/* Estilo para tabelas no Dark Mode */
[data-bs-theme="dark"] .table {
    color: #f1f5f9;
    --bs-table-hover-bg: #1e293b;
}

[data-bs-theme="dark"] .bg-light {
    background-color: #1e293b !important;
}

/* Switch de Tema e Botões de Cabeçalho */
.theme-toggle-btn {
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    transition: all 0.2s;
    font-size: 0.9rem;
}

.theme-toggle-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.badge-notification {
    font-size: 0.6rem;
    padding: 3px 5px;
    border: 2px solid var(--bg-header);
}

/* Utilitarios */
.text-gradient {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.menu-category {
    display: block;
    padding: 1.5rem 1rem 0.5rem;
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--text-muted) !important;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.7;
}

.navbar-user-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}
.navbar-user-btn:hover {
    background: var(--bg-main);
    transform: translateY(-1px);
}
.dropdown-menu {
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color) !important;
}
.dropdown-item {
    color: var(--text-main);
}
.dropdown-item:hover {
    background-color: var(--bg-main);
    color: var(--primary);
}
.border-color {
    border-color: var(--border-color) !important;
}

/* Monitoramento - Pulse Indicators */
.pulse-green {
    width: 10px;
    height: 10px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.pulse-gray {
    width: 10px;
    height: 10px;
    background-color: #94a3b8;
    border-radius: 50%;
    display: inline-block;
}

/* Progress bars refinement */
.progress {
    background-color: var(--border-color);
    overflow: hidden;
}