*{box-sizing:border-box}.rpc-container{font-family:'Poppins',sans-serif;max-width:900px;margin:0 auto;padding:20px}.rpc-logo{text-align:center;margin-bottom:30px}.rpc-logo img{max-width:250px;height:auto}.rpc-mode-selector{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-bottom:30px}.rpc-mode-btn{background:#f5f5f5;border:2px solid #ddd;padding:15px 20px;border-radius:8px;cursor:pointer;font-family:'Poppins',sans-serif;font-size:14px;font-weight:500;transition:all 0.3s ease;display:flex;align-items:center;justify-content:center;gap:8px}.rpc-mode-btn:hover{background:#fff;border-color:#EDB61E;transform:translateY(-2px);box-shadow:0 4px 12px rgb(237 182 30 / .2)}.rpc-mode-btn.active{background:#EDB61E;color:#fff;border-color:#EDB61E}.rpc-mode-btn i{font-size:18px}.rpc-calculator-mode{display:none}.rpc-calculator-mode.active{display:block}.rpc-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 2px 8px rgb(0 0 0 / .1);margin-bottom:20px}.rpc-card h3{margin:0 0 25px 0;color:#333;font-size:20px;font-weight:600;display:flex;align-items:center;gap:10px}.rpc-card h3 i{color:#EDB61E}.rpc-form-group{margin-bottom:20px}.rpc-form-group label{display:block;margin-bottom:8px;color:#555;font-weight:500;font-size:14px}.rpc-form-group input[type="number"],.rpc-form-group select{width:100%;padding:12px 15px;border:2px solid #e0e0e0;border-radius:8px;font-family:'Poppins',sans-serif;font-size:14px;transition:border-color 0.3s ease}.rpc-form-group input[type="number"]:focus,.rpc-form-group select:focus{outline:none;border-color:#EDB61E}.rpc-form-group small{display:block;margin-top:5px;color:#888;font-size:12px;font-style:italic}.rpc-time-inputs{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto;gap:10px;align-items:center}.rpc-time-inputs input{width:100%}.rpc-time-inputs span{color:#666;font-size:13px}.rpc-btn{background:#EDB61E;color:#fff;border:none;padding:15px 30px;border-radius:8px;font-family:'Poppins',sans-serif;font-size:16px;font-weight:600;cursor:pointer;width:100%;display:flex;align-items:center;justify-content:center;gap:10px;transition:all 0.3s ease}.rpc-btn:hover{background:#d9a519;transform:translateY(-2px);box-shadow:0 4px 12px rgb(237 182 30 / .3)}.rpc-btn:active{transform:translateY(0)}.rpc-btn-secondary{background:#f5f5f5;color:#333;padding:10px 20px;font-size:14px}.rpc-btn-secondary:hover{background:#e8e8e8}.rpc-results{background:#fff;border-radius:12px;padding:30px;box-shadow:0 2px 8px rgb(0 0 0 / .1);border:2px solid #EDB61E}.rpc-results h3{margin:0 0 20px 0;color:#333;font-size:20px;font-weight:600;display:flex;align-items:center;justify-content:space-between}.rpc-results h3 i{color:#EDB61E}.rpc-export-btns{display:flex;gap:10px}.rpc-export-btns button{width:auto;padding:8px 16px;font-size:13px}.rpc-table{width:100%;border-collapse:collapse;margin-top:15px}.rpc-table th,.rpc-table td{padding:12px;text-align:left;border-bottom:1px solid #e0e0e0}.rpc-table th{background:#f8f8f8;font-weight:600;color:#555;font-size:13px;text-transform:uppercase;letter-spacing:.5px}.rpc-table td{color:#333;font-size:14px}.rpc-table tr:nth-child(even){background:#fafafa}.rpc-table tr:hover{background:#f0f0f0}.rpc-table .rpc-summary-row{background:#fff8e8!important;font-weight:600}.rpc-table .rpc-summary-row td{color:#EDB61E}.rpc-table .rpc-highlight{color:#EDB61E;font-weight:600}.rpc-result-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;margin-top:20px}.rpc-result-card{background:#f8f8f8;padding:20px;border-radius:8px;border-left:4px solid #EDB61E}.rpc-result-card h4{margin:0 0 10px 0;color:#666;font-size:13px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.rpc-result-card .rpc-value{font-size:24px;font-weight:700;color:#EDB61E}.rpc-result-card .rpc-unit{font-size:14px;color:#888;margin-left:5px}.rpc-error{background:#fee;color:#c33;padding:15px;border-radius:8px;border-left:4px solid #c33;margin-bottom:20px}.rpc-error i{margin-right:8px}@media (max-width:768px){.rpc-mode-selector{grid-template-columns:1fr 1fr}.rpc-time-inputs{grid-template-columns:1fr auto}.rpc-time-inputs input:nth-child(5),.rpc-time-inputs span:nth-child(6){grid-column:1 / -1}.rpc-result-cards{grid-template-columns:1fr}.rpc-card{padding:20px}.rpc-results{padding:20px}.rpc-table{font-size:13px}.rpc-table th,.rpc-table td{padding:8px}}@media (max-width:480px){.rpc-mode-selector{grid-template-columns:1fr}.rpc-mode-btn{font-size:13px;padding:12px 15px}.rpc-export-btns{flex-direction:column}.rpc-export-btns button{width:100%}}.rpc-loading{text-align:center;padding:40px;color:#888}.rpc-loading i{font-size:32px;color:#EDB61E;animation:spin 1s linear infinite}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}