.math-display { background: #f8fafc; border-radius: 16px; padding: 1.5rem; font-family: 'Courier New', 'SF Mono', monospace; font-size: 1.25rem; text-align: center; border: 1px solid #e2e8f0; }
        .result-highlight { font-size: 2rem; font-weight: 700; color: #2c7da0; word-break: break-word; }
        .step-box { background: #f1f5f9; border-radius: 20px; padding: 1.2rem; margin: 1rem 0; }
        .example-chip { background: #eef2ff; border-radius: 40px; padding: 0.4rem 1rem; font-size: 0.85rem; cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 0.5rem; margin: 0.25rem; }
        .example-chip:hover { background: #d9e6f2; transform: translateY(-2px); }
        .input-group-custom { margin-bottom: 1rem; }
        .var-badge { background: #e9ecef; padding: 0.25rem 0.6rem; border-radius: 30px; font-size: 0.8rem; font-weight: 500; display: inline-flex; align-items: center; gap: 0.3rem; }
        .result-card { background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%); border-radius: 24px; padding: 1.5rem; margin: 1rem 0; box-shadow: 0 2px 8px rgba(0,0,0,0.02); }
        .faq-accordion .accordion-button:not(.collapsed) { background: #f1f5f9; color: var(--primary-color); }
        footer { background: #0f172a; color: #cbd5e1; margin-top: 3rem; }
        .coord-input { background: #ffffff; }
        .type-badge { font-size: 0.8rem; vertical-align: middle; margin-left: 0.75rem; }
        .rational-badge { background-color: #fef3c7; color: #b45309; }
        .monomial-badge { background-color: #d1fae5; color: #065f46; }