:root{--color-bg:#f0f2f5;--color-surface:#fff;--color-surface-elevated:#fff;--color-text:#050505;--color-muted:#65676b;--color-border:#e4e6eb;--color-hover:#f2f3f5;--color-primary:#1d9bf0;--color-primary-hover:#1a8cd8;--color-accent:#1d9bf01f;--color-danger:#e41e3f;--color-danger-bg:#fef2f2;--color-success-bg:#ecfdf5;--overlay:#000000a6;--radius:12px;--radius-lg:16px;--radius-pill:999px;--shadow:0 1px 2px #00000014;--shadow-md:0 8px 24px #0000001f;--font:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-headline:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-size-base:16px;--max-width:420px;--feed-width:37.5rem;--sidebar-width:17rem;--mp-bg:#fafafa;--mp-surface:#fff;--mp-text:#111;--mp-muted:#6b6560;--mp-border:#e5e5e5;--mp-primary:#000;--mp-primary-hover:#333;--mp-primary-soft:#00000014;--mp-accent:#2d6a4f;--mp-accent-soft:#e8f5ee;--mp-shadow:0 2px 8px #1a16140f;--mp-shadow-lg:0 16px 48px 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