.worldclock-container { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 20px 15px; display: flex; flex-direction: column; gap: 20px; width: 100%; box-sizing: border-box; }
            
            /* Seletores de Países */
            .selectors-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; width: 100%; }
            @media(max-width: 600px) { .selectors-grid { grid-template-columns: 1fr; } }
            
            .select-group { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; font-weight: 600; color: #475569; }
            .select-group select { width: 100%; padding: 10px; border-radius: 6px; border: 1px solid #cbd5e1; font-weight: 600; background: #fff; color: #1e293b; font-size: 0.95rem; }

            /* Cards de Exibição */
            .clocks-display-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; width: 100%; }
            @media(max-width: 600px) { .clocks-display-grid { grid-template-columns: 1fr; } }

            .clock-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 20px 15px; text-align: center; display: flex; flex-direction: column; gap: 8px; box-sizing: border-box; }
            .clock-card h3 { font-size: 0.95rem; color: #64748b; margin: 0; }
            .clock-time { font-size: clamp(2rem, 8vw, 3rem); font-weight: 800; font-family: monospace; color: #1e293b; letter-spacing: 1px; }
            .clock-date { font-size: 0.85rem; color: #475569; font-weight: 600; }

            /* Caixa de Comparativo */
            .comparison-box { background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 8px; padding: 15px; text-align: center; display: flex; flex-direction: column; gap: 6px; width: 100%; box-sizing: border-box; }
            .comparison-box h4 { margin: 0; font-size: 0.9rem; color: #1e40af; }
            .comparison-result { font-size: 1.1rem; font-weight: 700; color: #1d4ed8; font-family: monospace; }