:root {
    /* Chimera green ramp */
    --chimera-50:  #E8F1E5;
    --chimera-100: #C6DDC0;
    --chimera-200: #9CC393;
    --chimera-500: #3D8948;
    --chimera-600: #326D3A;
    --chimera-700: #285730;
    --chimera-900: #142D18;

    /* Surfaces */
    --surface-canvas:  #F0F4EE;
    --surface-card:    #FFFFFF;
    --surface-muted:   #F7F9F5;
    --surface-inverse: #0F1411;

    /* Text */
    --text-primary:    #0F1411;
    --text-secondary:  #5A6259;
    --text-tertiary:   #8A9088;
    --text-on-primary: #FFFFFF;
    --text-on-inverse: #F0F4EE;
    --text-link:       var(--chimera-600);

    /* Borders */
    --border-default: rgba(15, 20, 17, 0.08);
    --border-strong:  rgba(15, 20, 17, 0.15);
    --border-focus:   var(--chimera-500);

    /* Semantic */
    --color-success: #3D8948;
    --color-warning: #C97A1B;
    --color-danger:  #C24E3A;
    --color-info:    #3D6E89;

    /* Radius */
    --radius-sm:   6px;
    --radius-md:   10px;
    --radius-lg:   16px;
    --radius-xl:   24px;
    --radius-pill: 999px;

    /* Shadow */
    --shadow-card:    0 1px 2px rgba(15,20,17,.04), 0 1px 3px rgba(15,20,17,.06);
    --shadow-popover: 0 4px 12px rgba(15,20,17,.08);

    /* Typography */
    --font-sans:    "Geist", "Geist Sans", system-ui, sans-serif;
    --font-display: "Geist", sans-serif;
    --font-mono:    "Geist Mono", ui-monospace, monospace;
}