:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #EFF6FF;
    
    --secondary: #64748B;
    --dark: #0F172A;
    --light: #F1F5F9;
    --white: #FFFFFF;
    
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    
    --sidebar-width: 260px;
    --header-height: 64px;
    --border-radius: 12px;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--dark);
    font-weight: 600;
    letter-spacing: -0.025em;
}

.card, .card-kpi {
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease-in-out;
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: #CBD5E1;
}

.btn {
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--border);
    background: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid var(--border);
    padding: 0.625rem 0.875rem;
    font-size: 0.9rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.dropdown-menu .dropdown-item:active,
.dropdown-menu .dropdown-item:focus,
.dropdown-menu .dropdown-item:focus-visible {
    background-color: transparent;
    color: inherit;
}

#global-loader {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(4px);
    z-index: 2000;
}