:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --bg-dark: #0f172a;
    --card-dark: #1e293b;
    --border-dark: #334155;
    --text-dark: #f8fafc;
    --text-muted-dark: #94a3b8;
    
    --bg-light: #f1f5f9;
    --card-light: #ffffff;
    --border-light: #e2e8f0;
    --text-light: #0f172a;
    --text-muted-light: #64748b;
}

[data-bs-theme="dark"] body {
    background-color: var(--bg-dark);
    color: var(--text-dark);
    font-family: 'Inter', sans-serif;
}

[data-bs-theme="dark"] .card {
    background-color: var(--card-dark);
    border-color: var(--border-dark);
}

[data-bs-theme="dark"] .navbar, 
[data-bs-theme="dark"] .sidebar {
    background-color: var(--card-dark);
    border-color: var(--border-dark);
}

/* Base resets & utilities */
body {
    font-family: 'Inter', sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.sidebar {
    width: 260px;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    border-right: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
}

.main-content {
    margin-left: 260px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 60px;
    border-bottom: 1px solid var(--border-dark);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    justify-content: space-between;
}

.nav-link {
    color: var(--text-muted-dark);
    padding: 0.8rem 1.5rem;
    border-radius: 0.5rem;
    margin: 0.2rem 1rem;
    transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsividade */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
}

/* Fix option colors in dark mode */
[data-bs-theme="dark"] select option {
    background-color: var(--card-dark);
    color: var(--text-dark);
}