:root{--bg-root: #0f1117;--bg-sidebar: #141820;--bg-content: #0f1117;--bg-card: #1a1e2a;--bg-card-hover: #1e2334;--bg-input: #141820;--bg-input-focus: #1a1e2a;--border-subtle: #252a3a;--border-default: #2d3348;--border-focus: #3d8c5c;--text-primary: #e4e6ed;--text-secondary: #8b90a0;--text-muted: #5c6070;--text-accent: #5ebd7a;--accent: #3d8c5c;--accent-hover: #4aa86d;--accent-bg: rgba(61, 140, 92, .12);--accent-bg-hover: rgba(61, 140, 92, .2);--success: #5ebd7a;--warning: #e0a458;--error: #d45f5f;--info: #5b9bd5;--tank-a: #5b9bd5;--tank-a-bg: rgba(91, 155, 213, .1);--tank-b: #c77dba;--tank-b-bg: rgba(199, 125, 186, .1);--sidebar-width: 230px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--font-body: "DM Sans", -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font-body);background:var(--bg-root);color:var(--text-primary);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-layout{display:flex;height:100vh;overflow:hidden}.content-area{flex:1;overflow-y:auto;padding:28px 32px}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;height:100vh;overflow:hidden}.sidebar-header{padding:20px 18px 12px;border-bottom:1px solid var(--border-subtle)}.sidebar-logo{font-size:16px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}.sidebar-subtitle{font-size:11px;color:var(--text-muted);margin-top:2px}.sidebar-nav{flex:1;overflow-y:auto;padding:8px 0}.nav-group-label{padding:14px 18px 4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.nav-item{display:flex;align-items:center;gap:10px;padding:7px 18px;margin:1px 8px;border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all .15s ease;border:none;background:none;width:calc(100% - 16px);text-align:left}.nav-item:hover{background:var(--accent-bg);color:var(--text-primary)}.nav-item.active{background:var(--accent-bg-hover);color:var(--text-accent);font-weight:600}.nav-icon{font-size:15px;width:22px;text-align:center;flex-shrink:0}.sidebar-footer{padding:12px 18px;border-top:1px solid var(--border-subtle);font-size:10px;color:var(--text-muted)}.page-header{margin-bottom:24px}.page-title{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.page-subtitle{font-size:13px;color:var(--text-secondary)}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:20px;margin-bottom:16px}.card-title{font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px;display:flex;align-items:center;gap:8px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.form-group{display:flex;flex-direction:column;gap:5px}.form-label{font-size:12px;font-weight:500;color:var(--text-secondary)}.form-select,.form-input{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:8px 12px;font-size:13px;font-family:var(--font-body);color:var(--text-primary);transition:border-color .15s ease;width:100%}.form-select:focus,.form-input:focus{outline:none;border-color:var(--border-focus);background:var(--bg-input-focus)}.form-select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%238b90a0' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:30px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;font-family:var(--font-body);cursor:pointer;border:none;transition:all .15s ease}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.result-table{width:100%;border-collapse:collapse;font-size:13px}.result-table th{text-align:left;padding:8px 12px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border-subtle)}.result-table td{padding:7px 12px;border-bottom:1px solid var(--border-subtle);color:var(--text-primary)}.result-table tr:last-child td{border-bottom:none}.result-table .num{font-family:var(--font-mono);font-size:12.5px;text-align:right}.result-table .tank-a{color:var(--tank-a)}.result-table .tank-b{color:var(--tank-b)}.tank-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.tank-badge{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-sm);font-size:13px;font-weight:700;font-family:var(--font-mono)}.tank-badge.tank-a{background:var(--tank-a-bg);color:var(--tank-a);border:1px solid rgba(91,155,213,.3)}.tank-badge.tank-b{background:var(--tank-b-bg);color:var(--tank-b);border:1px solid rgba(199,125,186,.3)}.tank-label{font-size:13px;font-weight:600;color:var(--text-primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.stat-item{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:12px 14px}.stat-label{font-size:11px;color:var(--text-muted);margin-bottom:4px}.stat-value{font-family:var(--font-mono);font-size:16px;font-weight:600;color:var(--text-primary)}.stat-value.success{color:var(--success)}.stat-value.warning{color:var(--warning)}.stat-value.error{color:var(--error)}.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:12.5px;margin-bottom:8px;border-left:3px solid}.alert-warning{background:#e0a45814;border-left-color:var(--warning);color:var(--warning)}.alert-success{background:#5ebd7a14;border-left-color:var(--success);color:var(--success)}.alert-info{background:#5b9bd514;border-left-color:var(--info);color:var(--info)}.ratio-row{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--border-subtle)}.ratio-row:last-child{border-bottom:none}.ratio-name{width:100px;font-size:12px;font-weight:600;color:var(--text-secondary);flex-shrink:0}.ratio-bar-container{flex:1;height:6px;background:var(--bg-input);border-radius:3px;position:relative}.ratio-bar-target{position:absolute;height:100%;background:var(--border-default);border-radius:3px}.ratio-bar-actual{position:absolute;height:100%;border-radius:3px;transition:width .3s ease}.ratio-value{width:60px;font-family:var(--font-mono);font-size:12px;text-align:right;flex-shrink:0}.ratio-status{width:24px;text-align:center;flex-shrink:0}.protocol-step{font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);padding:4px 0;border-bottom:1px solid var(--border-subtle)}.protocol-step:last-child{border-bottom:none}.delta-ok{color:var(--success)}.delta-warn{color:var(--warning)}.delta-bad{color:var(--error)}.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--border-default);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.collapsible-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer;padding:4px 0;-webkit-user-select:none;user-select:none}.collapsible-header:hover .card-title{color:var(--text-primary)}.collapse-icon{color:var(--text-muted);font-size:12px;transition:transform .2s ease}.collapse-icon.open{transform:rotate(180deg)}.placeholder-view{display:flex;flex-direction:column;align-items:center;justify-content:center;height:60vh;color:var(--text-muted);gap:12px}.placeholder-icon{font-size:48px;opacity:.4}.placeholder-text{font-size:15px}