/* ===== BASE / VARIABLES / RESET ===== */
:root {
    --bg-color: #F3F4F6;
    --sidebar-bg: #FFFFFF;
    --white: #FFFFFF;
    --primary-black: #0F172A;
    --brand-blue: #10B981;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --header-zIndex: 1000;
    --font-family: 'Inter', sans-serif;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    display: grid;
    grid-template-columns: 260px 1fr 300px;
    height: 100vh;
    max-width: 1920px;
    margin: 0 auto;
}

/* Utilities */
.mobile-only { display: none; }
.desktop-only { display: flex; }

.menu-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-left: 16px;
}

.brand-sub {
    font-size: 11px;
    color: var(--text-secondary);
}