:root{--md-sys-color-primary:#1a73e8;--md-sys-color-on-primary:#fff;--md-sys-color-primary-container:#d3e3fd;--md-sys-color-surface:#fff;--md-sys-color-surface-variant:#f1f3f4;--md-sys-color-on-surface:#202124;--md-sys-color-on-surface-variant:#5f6368;--md-sys-color-outline:#dadce0;--md-sys-color-error:#d93025;--md-sys-color-success:#1e8e3e;--md-sys-color-warning:#f9ab00;--grade-a-color:#4caf50;--grade-a-bg:#e6f4ea;--grade-b-color:#2196f3;--grade-b-bg:#e8f0fe;--grade-c-color:#ff9800;--grade-c-bg:#fef7e0;--grade-c-text:#b06000;--grade-d-color:#f44336;--grade-d-bg:#fce8e6}html{scroll-behavior:smooth}body{overscroll-behavior-y:contain}:focus-visible,button:focus-visible,[role=button]:focus-visible{outline:2px solid var(--md-sys-color-primary);outline-offset:2px}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--md-sys-color-on-surface);background:#f8f9fa;flex-direction:column;height:100vh;font-family:Google Sans,Roboto,-apple-system,sans-serif;line-height:1.5;display:flex;overflow:hidden}#__next{flex-direction:column;height:100vh;display:flex}.material-symbols-outlined{font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24}.top-nav{background:var(--md-sys-color-surface);border-bottom:1px solid var(--md-sys-color-outline);z-index:100;justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex;position:sticky;top:0}.nav-left{align-items:center;gap:16px;display:flex}.logo{color:var(--md-sys-color-on-surface);align-items:center;gap:8px;font-size:20px;font-weight:500;display:flex}.logo .material-symbols-outlined{color:var(--md-sys-color-primary);font-size:28px}.nav-right{align-items:center;gap:8px;display:flex}.icon-btn{cursor:pointer;width:40px;height:40px;color:var(--md-sys-color-on-surface-variant);background:0 0;border:none;border-radius:20px;justify-content:center;align-items:center;transition:background 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2fr;align-items:stretch;gap:24px;min-height:0;display:grid}.machine-list-card{flex-direction:column;height:100%;min-height:0;display:flex}.machine-list-card .card-body{flex:1;min-height:0;overflow-y:auto}.card{background:var(--md-sys-color-surface);border:1px solid var(--md-sys-color-outline);border-radius:12px;overflow:hidden}.card-header{border-bottom:1px solid var(--md-sys-color-outline);align-items:center;gap:12px;padding:16px 20px;display:flex}.card-header .material-symbols-outlined{color:var(--md-sys-color-on-surface-variant)}.card-title{color:var(--md-sys-color-on-surface);font-size:14px;font-weight:500}.card-body{padding:0}.machine-list-filter{border-bottom:1px solid var(--md-sys-color-outline);background:var(--md-sys-color-surface);z-index:1;flex-direction:column;gap:8px;padding:12px 16px;display:flex;position:sticky;top:0}.machine-search-input{border:1px solid var(--md-sys-color-outline);background:var(--md-sys-color-surface);border-radius:8px;width:100%;padding:8px 12px 8px 36px;font-size:14px;position:relative}.machine-search-input:focus{border-color:var(--md-sys-color-primary);outline:none}.machine-search-wrapper{position:relative}.machine-search-wrapper .material-symbols-outlined{color:var(--md-sys-color-outline);font-size:18px;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.machine-filter-chips{scroll-snap-type:x mandatory;flex-wrap:wrap;gap:6px;display:flex}.filter-chip{cursor:pointer;border:1px solid var(--md-sys-color-outline);background:var(--md-sys-color-surface);scroll-snap-align:start;border-radius:16px;padding:4px 10px;font-size:12px;transition:all 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var(--md-sys-color-outline)}.machine-group:last-child{border-bottom:none}.machine-group-header{background:var(--md-sys-color-surface-variant);color:var(--md-sys-color-on-surface-variant);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:10px 16px;font-size:12px;font-weight:600;display:flex}.machine-group-header:hover{background:#e8eaed}.machine-group-header .group-info{align-items:center;gap:8px;display:flex}.machine-group-header .group-count{background:var(--md-sys-color-outline);color:#fff;border-radius:10px;padding:2px 8px;font-size:11px}.machine-group-header .expand-icon{font-size:18px;transition:transform .2s}.machine-group.collapsed .expand-icon{transform:rotate(-90deg)}.machine-group.collapsed .machine-group-items{display:none}.machine-list-item{border-bottom:1px solid var(--md-sys-color-outline);cursor:pointer;align-items:center;gap:12px;padding:12px 16px;transition:background 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.material-symbols-outlined{font-size:18px}.stepper-btn:hover:not(:disabled){background:var(--md-sys-color-surface-variant);color:var(--md-sys-color-primary)}.stepper-btn:active:not(:disabled){transform:scale(.92)}.stepper-btn:disabled{opacity:.3;cursor:not-allowed}.stepper-value-container{cursor:text;justify-content:center;align-items:center;min-width:40px;height:32px;padding:0 4px;display:flex}.stepper-value{color:var(--md-sys-color-primary);font-variant-numeric:tabular-nums;font-size:15px;font-weight:600}.stepper-input{text-align:center;width:40px;height:100%;color:var(--md-sys-color-primary);font-variant-numeric:tabular-nums;background:0 0;border:none;outline:none;padding:0;font-size:15px;font-weight:600}@media (max-width:768px){.settings-item{padding:10px 14px}.stepper-btn{width:36px;height:36px}.stepper-value-container{height:36px}}