.more-panel{display:flex;flex-direction:column;height:100%;background:#0f172a;color:#fff}.more-panel{position:fixed;top:56px;right:0;bottom:0;width:95%;transform:translate(100%);transition:transform .3s ease;z-index:300}.more-panel-content{overflow-y:auto;padding:16px 16px 150px}.more-menu-item{display:flex;align-items:center;gap:12px;background:none;border:none;color:#fff;padding:12px 8px;width:100%;text-align:left;cursor:pointer}.more-menu-item:hover{background:#ffffff0d}.more-menu-icon{font-size:18px}.more-section-title{margin:24px 0 12px;font-size:14px;opacity:.8}.trusted-list{display:flex;flex-wrap:wrap;gap:12px}.trusted-item{display:flex;align-items:center;gap:6px;font-size:12px}.trusted-logo{width:32px;height:32px;object-fit:contain}.more-footer{position:fixed;bottom:10%;width:95%;padding:12px;text-align:center;font-size:11px;background:#0f172a}.more-panel.open{transform:translate(0)}.more-backdrop{position:fixed;inset:56px 0 0;background:#00000059;opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:250}.more-backdrop.show{opacity:1;pointer-events:auto}@media(min-width:768px){.more-panel{transform:none}.more-backdrop{display:none}}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background:#fff;color:#111}.app-shell{height:100vh;display:flex;flex-direction:column}.topbar{height:56px;background:#0f172a;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 14px;position:fixed;top:0;left:0;right:0;z-index:100}.topbar-title{font-size:15px;font-weight:500}.topbar-btn{background:none;border:none;color:#fff;font-size:18px;cursor:pointer}.app-content{flex:1;padding:72px 16px 76px;overflow-y:auto}@media(min-width:768px){.app-content{width:75%}}@media(min-width:768px){.compartment-editor{width:75%}}@media(min-width:768px){.bottom-nav{width:75%}}@media(min-width:768px){.more-panel{display:flex;width:25%;height:95%;position:fixed;top:0;right:0;margin-top:57px;border-left:1px solid rgba(255,255,255,.08);background-color:#0f172a}}@media(min-width:768px){.more-footer{position:fixed;bottom:0%;height:80px;width:23%;padding:10px;text-align:center;font-size:11px;background:#0f172a}}@media(min-width:768px){.chat-selector-modal{width:73%}}.bottom-nav{height:70px;background:#fff;border-top:1px solid #e5e7eb;display:flex;justify-content:space-around;align-items:center;position:fixed;bottom:0;left:0;right:0;z-index:100;padding:15px;gap:20px}.nav-item{flex:1;background:#fff;border:none;display:flex;flex-direction:column;align-items:center;font-size:11px;color:#374151;cursor:pointer}.bottom-nav button{padding-top:10px;padding-bottom:10px}.nav-icon{font-size:25px;margin-bottom:3px}@media(min-width:768px){.more-btn{display:none}}.nc-section{background:#fff;border-radius:6px;margin-bottom:12px;border:1px solid #e5e7eb}.nc-section-header{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;cursor:pointer;background:#f9fafb}.nc-section-header h3{font-size:14px;font-weight:500;margin:0}.nc-section-body{padding:14px;font-size:13px;color:#374151}.nc-field{display:flex;flex-direction:column;margin-bottom:12px}.nc-field label{font-size:12px;margin-bottom:4px;color:#374151}.nc-field input{height:36px;padding:6px 8px;font-size:13px;border:1px solid #d1d5db;border-radius:4px}.compartment-card{padding:12px;border:1px solid #d1d5db;border-radius:4px;margin-bottom:8px;cursor:pointer;display:flex;justify-content:space-between;background:#fff}.compartment-status{font-size:12px;color:#6b7280}.compartment-editor{position:fixed;inset:0;background:#f6f7f8;z-index:200;display:flex;flex-direction:column;height:100vh}.editor-header{padding:14px;background:#0f172a;color:#fff}.editor-body{flex:1;padding:16px;overflow-y:auto;-webkit-overflow-scrolling:touch}.editor-footer{display:flex;justify-content:space-between;padding:12px;border-top:1px solid #d1d5db;background:#fff}.editor-footer button{padding:8px 16px;font-size:13px}.editor-section{background:#fff;padding:14px;border-radius:6px;margin-bottom:16px}.editor-section h4{font-size:14px;margin-bottom:12px;color:#111827}.ullage-row{display:flex;gap:8px;margin-bottom:8px}.ullage-row input{flex:1;height:36px;padding:6px 8px;font-size:13px;border:1px solid #d1d5db;border-radius:4px}.ullage-controls{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.ullage-controls button{width:36px;height:36px;font-size:18px}.preview-btn{width:100%;height:44px;background:#0f172a;color:#fff;border:none;border-radius:6px;font-size:14px}.preview-btn:disabled{background:#9ca3af}.nc-field select{height:36px;padding:6px 8px;font-size:13px;border:1px solid #d1d5db;border-radius:4px;background:#fff}.chat-preview{padding:16px}.preview-info{margin-bottom:12px}.preview-line{font-size:13px;margin-bottom:6px}.preview-line.center{text-align:center;font-size:14px}.preview-line.split{display:flex;justify-content:space-between}.soft-divider{border:none;border-top:1px solid #e5e7eb;margin:12px 0}.preview-compartment{background:#fff;padding:12px;border-radius:6px;margin-bottom:16px}.preview-comp-title{text-align:center;font-weight:600;margin-bottom:8px}.ullage-header{display:flex;justify-content:space-between;background:#f3f4f6;padding:6px 8px;font-size:12px;font-weight:500}.preview-actions{margin-top:16px}.preview-actions button{width:100%;height:44px;font-size:14px}.preview-compartment{display:flex;flex-direction:column;gap:12px}.preview-compartment .height-block,.preview-compartment .ullage-block{width:100%}@media(min-width:768px){.preview-compartment{flex-direction:row;gap:24px}.preview-compartment .height-block{flex:1}.preview-compartment .ullage-block{flex:2}}.chat-card{background:#fff;padding:12px;border-radius:6px;margin-bottom:12px;border:1px solid #e5e7eb}.chat-card-actions{margin-top:10px;display:flex;justify-content:right}.chat-card-actions button{font-size:13px;margin-left:20px}.check-layout{background:#fff;display:flex;flex-direction:column;height:100%;overflow:hidden}.check-layout-instruction{background:#fff;position:fixed;bottom:12%;left:0;right:0;z-index:100;text-align:center}@media(min-width:768px){.check-layout-instruction{width:75%}}.check-layout-instruction p{color:#65676c;font-size:11px;margin-top:-15px}.checking-area{background:#fff;flex:1;padding:16px;overflow:hidden}.ads-area{height:80px;border-top:1px solid #e5e7eb;background:#fff;display:flex;align-items:center;justify-content:center}.checking-placeholder,.ads-placeholder{color:#6b7280;font-size:14px}.ullage-start-screen{text-align:center}.ullage-start-screen input,.ullage-start-select{width:95%;padding:10px}.chat-selector{position:relative}.chat-selector-input{padding:10px;border:1px solid #e5e7eb;cursor:pointer;background:#fff}.chat-selector-modal{position:fixed;top:auto;left:16px;right:16px;margin-top:6px;background:#fff;border:1px solid #e5e7eb;border-radius:6px;z-index:999;max-height:calc(100vh - 140px);display:flex;flex-direction:column;box-shadow:0 10px 25px #00000014;margin-bottom:200px}.chat-selector-modal input{padding:8px;border:none;border-bottom:1px solid #e5e7eb;outline:none}.chat-selector-list{overflow-y:auto;background-color:#fff;padding-bottom:10px;margin-bottom:100px}.chat-selector-item{padding:10px;cursor:pointer}.chat-selector-item:hover{background:#f3f4f6}.calculation-selector select{width:100%;padding:10px;border:1px solid #e5e7eb;background:#fff}.ullage-result{height:100%;display:flex;flex-direction:column}.result-screen{height:100%;display:flex;justify-content:center;align-items:center}.result-card{width:100%;max-width:520px;padding:16px}.result-title{text-align:center;font-weight:600;margin-bottom:12px}.result-meta{display:flex;justify-content:space-between;margin-bottom:12px;font-size:14px}.control-btn{padding:5px 30px}.result-table{display:grid;grid-template-columns:1fr 1fr 1fr;padding:8px 0;text-align:center}.result-table.header{font-weight:600;border-bottom:1px solid #444}.result-table.row{border-bottom:1px solid #222}.result-summary-row{display:flex;justify-content:space-between;margin-top:16px;font-size:15px}.result-back-btn{margin-top:16px;width:100%}.history-card{border-bottom:1px solid rgb(198,193,193);margin:5px}.floating-help-btn{position:fixed;bottom:12%;right:95%;left:16px;color:#fff;font-size:22px;border:2px solid #0f172a;cursor:pointer;box-shadow:0 6px 14px #00000040;display:flex;align-items:center;justify-content:center}.floating-help-btn:active{transform:scale(.95)}.help-page{text-align:center}.help-page-intro,.help-page-faq{border-bottom:1px solid #d1d5db}.help-btn{position:fixed;width:45px;height:45px;border-radius:50%;background-color:none;color:#fff;font-size:22px;border:2px solid #0f172a;font-weight:700;cursor:pointer;z-index:200}.help-pulse{animation:pulseScale 1.2s ease-in-out 4}@keyframes pulseScale{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}.settings-page{padding:16px}.settings-title{font-size:16px;font-weight:600;margin-bottom:16px}.settings-item{background:#fff;border:1px solid #e5e7eb;border-radius:6px;padding:14px;cursor:pointer}.settings-item:hover{background:#f9fafb}.settings-item-left{display:flex;gap:12px;align-items:flex-start}.settings-icon{font-size:20px}.settings-label{font-size:14px;font-weight:500}.settings-desc{font-size:12px;color:#6b7280;margin-top:2px}.clear-history-page{padding:16px;text-align:center}.clear-history-title{font-size:16px;font-weight:600;margin-bottom:12px}.clear-history-text{font-size:13px;color:#374151;margin-bottom:8px}.clear-history-warning{font-size:12px;color:#b91c1c;margin-bottom:20px}.clear-history-actions{display:flex;gap:12px}.clear-history-actions button{flex:1;height:42px;font-size:13px}.btn-secondary{background:#fff;border:1px solid #d1d5db}.btn-danger{background:#dc2626;color:#fff;border:none}.settings-success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;font-size:12px;padding:10px 12px;border-radius:6px;margin-bottom:12px;text-align:center}.statistics-page{display:flex;flex-direction:column;gap:16px}.stats-selectors{display:flex;flex-direction:column;gap:10px}.stats-selectors select{padding:10px;border:1px solid #e5e7eb;background:#fff;font-size:13px}@media(min-width:768px){.stats-selectors{flex-direction:row;justify-content:space-between}.stats-selectors select{width:48%}}.stats-chart-placeholder{height:200px;border:1px dashed #cbd5f5;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#64748b;font-size:13px}.stats-list-placeholder{border-top:1px solid #e5e7eb;padding-top:12px;color:#6b7280;font-size:13px}.stats-line-chart{width:100%;height:auto;margin-top:16px}.stats-empty{text-align:center;color:#6b7280;font-size:13px;padding:24px}