.tcp-calculator{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;max-width:600px;margin:2rem auto;padding:0 1rem}.tcp-container{background:#fff;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1);padding:1.5rem}.tcp-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.tcp-header h2{margin:0;font-size:1.5rem;color:#2c3e50}.tcp-help-btn{background:0 0;border:1px solid #cbd5e0;padding:.5rem 1rem;border-radius:4px;color:#4a5568;cursor:pointer;transition:all .2s}.tcp-help-btn:hover{background:#f7fafc;border-color:#a0aec0}.tcp-help{background:#f8fafc;border-radius:6px;padding:1rem;margin-bottom:1.5rem}.tcp-help h3{margin:0 0 .75rem;font-size:1.1rem;color:#2d3748}.tcp-help ol,.tcp-help ul{margin:0 0 1rem;padding-left:1.5rem}.tcp-help li{margin-bottom:.5rem;color:#4a5568}.tcp-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}.tcp-card{display:flex;flex-direction:column;gap:.5rem}.tcp-card label{font-size:.875rem;font-weight:500;color:#4a5568}.tcp-card select{width:100%;padding:.5rem;border:1px solid #e2e8f0;border-radius:4px;background:#fff;font-size:.875rem}.tcp-card select:focus{outline:none;border-color:#4299e1;box-shadow:0 0 0 3px rgba(66,153,225,.1)}.tcp-actions{display:flex;gap:1rem;margin-bottom:1.5rem}.tcp-btn{flex:1;padding:.75rem 1rem;border:none;border-radius:4px;font-weight:500;cursor:pointer;transition:all .2s}.tcp-btn-primary{background:#2c5282;color:#fff}.tcp-btn-primary:hover{background:#2a4365}.tcp-btn-secondary{background:#edf2f7;color:#4a5568}.tcp-btn-secondary:hover{background:#e2e8f0}.tcp-result{background:#f7fafc;border-radius:6px;padding:1rem;text-align:center}.tcp-hand{font-size:1.25rem;font-weight:600;color:#2d3748;margin:0 0 .5rem}.tcp-advice{color:#4a5568;margin:0;padding-top:.5rem;border-top:1px solid #e2e8f0}