.stair-tool{--st-ink:#25344a;--st-border:#dce3ed;--st-muted:#66758b;color:var(--st-ink);font-size:.94rem;max-width:100%;}
.stair-tool .st-card{background:#fff;border:1px solid var(--st-border);border-radius:10px;padding:16px;min-width:0;}
.stair-tool .st-card-head{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:1rem;font-weight:700;margin-bottom:15px;flex-wrap:wrap;}
.stair-tool .st-hint,.stair-tool .st-muted,.stair-tool .st-fine{color:var(--st-muted);font-size:.78rem;font-weight:400;}
.stair-tool .form-label{font-size:.83rem;font-weight:600;margin-bottom:5px;}
.stair-tool .form-control,.stair-tool .form-select{font-size:.9rem;min-height:39px;}
.stair-tool .st-advanced{border-top:1px solid var(--st-border);padding-top:12px;}
.stair-tool .st-advanced summary{cursor:pointer;font-weight:650;list-style-position:inside;}
.stair-tool .st-key-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
.stair-tool .st-key{background:#F0F5FE;padding:14px 12px;border-radius:8px;display:flex;flex-direction:column;gap:7px;min-width:0;}
.stair-tool .st-key span{font-size:.79rem;color:#506078;}
.stair-tool .st-key strong{font-size:1.25rem;line-height:1.15;overflow-wrap:anywhere;}
.stair-tool .st-diagram{width:100%;overflow:hidden;border:1px solid #e8edf4;border-radius:7px;background:#fff;}
.stair-tool .st-diagram svg{width:100%;height:auto;display:block;}
.stair-tool .st-track{height:10px;border-radius:6px;background:linear-gradient(to right,#d8eee5 0 32%,#d9e5fd 32% 67%,#fce5df 67% 100%);position:relative;}
.stair-tool #stPitchIndicator{position:absolute;height:16px;width:4px;top:-3px;background:#25344a;border-radius:2px;left:0;}
.stair-tool .st-pitch-row{padding:16px 6px 0;}
.stair-tool .st-table td{padding:9px 4px;border-color:#edf0f5;}
.stair-tool .st-table td:last-child{text-align:right;font-weight:650;white-space:nowrap;}
.stair-tool .st-checks{display:grid;gap:8px;}
.stair-tool .st-check{display:flex;align-items:flex-start;gap:9px;background:#f6f8fb;border-radius:6px;padding:9px 10px;font-size:.85rem;}
.stair-tool .st-check i{margin-top:2px;}
.stair-tool .st-ok{color:#257750;}.stair-tool .st-warn{color:#ab651c;}.stair-tool .st-info{color:#426d9c;}
.stair-tool .st-schedule{max-height:260px;overflow:auto;}
.stair-tool .st-schedule th{position:sticky;top:0;background:#f4f7fb;z-index:1;white-space:nowrap;}
.stair-tool .st-schedule td,.stair-tool .st-schedule th{padding:8px 12px;font-size:.85rem;}
.stair-tool [hidden]{display:none!important;}
@media(min-width:992px){.stair-tool .st-key-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
@media(max-width:575px){.stair-tool .st-card{padding:12px;}.stair-tool .st-key strong{font-size:1.09rem;}.stair-tool .st-hint{display:none;}}

.stair-tool .st-actions .btn{min-height:43px;}
.stair-tool .st-actions .st-reset{width:51px;min-width:51px;flex:0 0 51px;}
.stair-tool .st-actions .dropdown-menu{max-height:260px;overflow:auto;}
.stair-tool .st-key{background:#F0F5FE;border-radius:8px;}
.stair-tool .st-track{background:linear-gradient(90deg,#dfeae2 0 41.666%,#dfe8ff 41.666% 70%,#f7e6da 70% 100%);}
.stair-tool .st-diagram{overflow-x:auto;}
.stair-tool .st-card,.stair-tool .st-key{box-shadow:none;}
@media(max-width:575px){.stair-tool .st-actions .btn{min-height:44px;}.stair-tool .st-key-grid{gap:8px;}.stair-tool .st-key{padding:12px 9px;}.stair-tool .st-diagram svg{min-width:340px;}.stair-tool .st-table td{white-space:normal;}}