:root {
    /* Brand Theme Colors (Royal Indigo & Electric Violet Theme) */
    --theme-primary: #6366f1;
    --theme-gradient-hero: linear-gradient(180deg, #4338ca 0%, #6366f1 100%);
    --theme-header-bg: #4338ca;
    --theme-btn-gradient: linear-gradient(90deg, #6366f1 0%, #4f46e5 100%);
    --theme-btn-shadow: rgba(99, 102, 241, 0.35);

    /* Backgrounds & Surfaces */
    --theme-body-bg: #090d16;
    --theme-app-bg: #f4f6fb;
    --theme-card-bg: #ffffff;
    --theme-input-bg: #ffffff;
    --theme-input-border: #e0e7ff;
    --theme-input-focus: #4f46e5;

    /* Text & Icon Tones */
    --theme-text-primary: #111827;
    --theme-text-muted: #64748b;
    --theme-text-white: #ffffff;
    --theme-icon-tone: #6366f1;

    /* Sizing & Borders */
    --theme-header-h: 60px;
    --theme-radius-pill: 50px;
    --theme-radius-box: 14px;
}