/* Hummingbird Design Tokens */
:root {
    /* Brand */
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #dbeafe;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #2563eb);
    --emerald: #059669;
    --emerald-light: #d1fae5;

    /* Category colors */
    --cat-personal: #3b82f6;
    --cat-forte: #059669;
    --cat-pioneer: #ef4444;

    /* Sidebar */
    --sidebar-bg: #111827;
    --sidebar-w: 240px;
    --sidebar-ink: #e2e8f0;
    --sidebar-ink-muted: #64748b;
    --sidebar-hover: rgba(255,255,255,0.06);
    --sidebar-active: rgba(59,130,246,0.15);
    --sidebar-border: rgba(255,255,255,0.08);

    /* Surfaces */
    --ink: #0f172a;
    --ink-secondary: #475569;
    --ink-muted: #94a3b8;
    --paper: #f1f5f9;
    --paper-warm: #e2e8f0;
    --surface: #ffffff;
    --surface-hover: #f8fafc;
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    /* Status */
    --success: #059669;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.1);

    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 200ms;

    /* Layout */
    --header-h: 60px;
    --max-w: 1280px;
    --topbar-h: 64px;
}