.hvac-pc{max-width:1500px;padding:1.25rem;border:1px solid #d7dee8;border-radius:10px;background:#fff;color:#172033;font-family:inherit}.hvac-pc h2{margin-top:0}.hvac-pc-help{color:#4e5d70}.hvac-pc-toolbar{display:flex;gap:1rem;align-items:end;flex-wrap:wrap;margin:1rem 0}.hvac-pc-toolbar label{display:flex;flex-direction:column;gap:.35rem;font-weight:600;min-width:180px}.hvac-pc select,.hvac-pc input{min-height:40px;padding:.45rem;border:1px solid #aeb9c8;border-radius:5px;background:#fff;font:inherit}.hvac-pc button{min-height:40px;padding:.6rem 1rem;border:0;border-radius:5px;background:#1459a6;color:#fff;font-weight:700;cursor:pointer}.hvac-pc-status{margin:.5rem 0;padding:.6rem;background:#f5f8fc;color:#334155}.hvac-pc-table-wrap{overflow-x:auto;border:1px solid #b7c9d6}.hvac-pc-table{width:100%;min-width:1000px;border-collapse:collapse;font-size:.9rem}.hvac-pc-table th{background:#1f4e78;color:#fff;text-align:left;padding:.6rem;border:1px solid #b7c9d6;vertical-align:bottom}.hvac-pc-table th span{font-weight:400;font-size:.82rem}.hvac-pc-table td{padding:.55rem;border:1px solid #cbd5e1;vertical-align:top;line-height:1.3}.hvac-pc-table tbody tr:nth-child(even){background:#f7fafc}.hvac-pc-table .pc-press{font-weight:700;text-align:center;white-space:nowrap}.hvac-pc-table .pc-display{font-weight:600;min-width:250px}.hvac-pc-table .pc-remarks{min-width:390px;white-space:normal}.hvac-pc-table .pc-press{width:70px}.hvac-pc-table .pc-reading{width:100px;min-height:35px}.hvac-pc-table .pc-result{font-weight:600;color:#1459a6;min-width:190px}.hvac-pc-empty{text-align:center;padding:1.5rem!important;color:#526274}.hvac-pc-table tr:has(.pc-reading:focus){background:#fff2cc}@media(max-width:650px){.hvac-pc{padding:.75rem}.hvac-pc-toolbar{display:block}.hvac-pc-toolbar label,.hvac-pc-toolbar button{display:flex;width:100%;margin:.5rem 0}}
.hvac-pc-table .pc-remarks{white-space:pre-line}.hvac-pc-source{font-size:.85rem;color:#526274;margin-top:.8rem}.hvac-pc-table .pc-display{min-width:240px}.hvac-pc-table .pc-remarks{min-width:350px}.hvac-pc-table .pc-reading{box-sizing:border-box}.hvac-pc-help{line-height:1.45}



.hvac-pc-table .pc-remarks.pc-two-line{white-space:pre-line}

/* Center worksheet information inside each block without removing wrapped manual remarks. */
.hvac-pc-table th,.hvac-pc-table td{text-align:center;vertical-align:middle}
.hvac-pc-table .pc-reading{text-align:center}

/* Center the contents of every worksheet block. */
.hvac-pc-table th,.hvac-pc-table td{text-align:center;vertical-align:middle}.hvac-pc-table .pc-remarks{text-align:center}.hvac-pc-table .pc-reading{margin-left:auto;margin-right:auto;display:block}

.hvac-pc-simulation{margin-top:1.5rem;padding:1rem;border:1px solid #b7c9d6;border-radius:8px;background:#f8fbfe;text-align:center}.hvac-pc-simulation h3{margin:.1rem 0 .35rem;color:#1f4e78}.hvac-pc-simulation-help{margin:.25rem auto 1rem;max-width:850px;color:#526274}.pc-system-diagram{display:flex;align-items:center;justify-content:center;gap:1rem;min-height:260px;overflow-x:auto;padding:1rem}.pc-odu-block,.pc-idu-block{border:2px solid #1f4e78;border-radius:8px;background:#fff;box-shadow:0 2px 5px #b8c8d8;text-align:center}.pc-odu-block{width:210px;min-width:210px;padding:1rem;background:#e8f1f8}.pc-odu-title,.pc-idu-title{font-weight:700;color:#1f4e78;margin-bottom:.65rem}.pc-odu-sensors{display:grid;grid-template-columns:repeat(3,1fr);gap:.35rem}.pc-sensor{border:1px solid #9db3c7;border-radius:5px;background:#fff;padding:.35rem .2rem;min-width:54px}.pc-sensor-label{display:block;font-size:.72rem;font-weight:700;color:#526274}.pc-sensor-value{display:block;margin-top:.15rem;font-weight:700;color:#1459a6;font-size:.86rem;min-height:1.1em}.pc-pipe-bundle{display:flex;flex:0 0 50px;align-items:center;justify-content:center;gap:4px}.pc-pipe{height:4px;width:22px;border-radius:3px;background:#d35a5a}.pc-pipe.blue{background:#4f86bd}.pc-idu-group{display:grid;grid-template-columns:repeat(5,150px);gap:.65rem}.pc-idu-block{padding:.75rem;min-height:115px}.pc-idu-block.is-empty{display:none}.pc-idu-sensors{display:grid;grid-template-columns:repeat(3,1fr);gap:.3rem}.pc-idu-sensors .pc-sensor{min-width:0;padding:.3rem .1rem}.pc-no-sensors{padding:2rem;color:#526274;background:#fff;border:1px dashed #9db3c7}@media(max-width:800px){.pc-system-diagram{justify-content:flex-start}.pc-idu-group{grid-template-columns:repeat(5,135px)}.pc-odu-block{min-width:180px;width:180px}}

.pc-system-diagram{align-items:stretch;gap:0;position:relative}.pc-odu-block{width:330px;min-width:330px;min-height:270px;position:relative;background:#eef3f6;border-color:#566b78;border-radius:5px;padding:1.2rem}.pc-odu-title{font-size:1.15rem;text-transform:uppercase;border-bottom:3px solid #566b78;padding-bottom:.45rem}.pc-odu-coil{height:90px;margin:1rem auto .8rem;width:210px;border:3px solid #7d8f9b;border-radius:50%;background:repeating-radial-gradient(ellipse,#d5e0e6 0 3px,#eef3f6 4px 8px)}.pc-odu-sensors{display:grid;grid-template-columns:repeat(3,1fr);gap:.4rem}.pc-odu-sensors .pc-sensor:first-child{grid-column:1}.pc-odu-sensors .pc-sensor{background:#fff}.pc-pipe-bundle{width:70px;min-width:70px;position:relative;background:linear-gradient(#c55353,#c55353) 50% 38%/100% 4px no-repeat,linear-gradient(#4b80aa,#4b80aa) 50% 62%/100% 4px no-repeat}.pc-pipe-bundle:before{content:'REFRIGERANT PIPING';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-90deg);font-size:.58rem;white-space:nowrap;color:#526274;background:#f8fbfe;padding:.2rem}.pc-idu-group{display:flex;flex-direction:column;justify-content:space-around;gap:.8rem;min-width:290px}.pc-idu-block{position:relative;min-width:250px;padding:.8rem;background:#fff;border-color:#566b78;border-radius:5px}.pc-idu-block:before,.pc-idu-block:after{content:'';position:absolute;left:-72px;width:72px;border-top:3px solid #c55353}.pc-idu-block:before{top:38%}.pc-idu-block:after{top:62%;border-color:#4b80aa}.pc-idu-title{border-bottom:2px solid #9db3c7;padding-bottom:.35rem}.pc-idu-sensors{display:grid;grid-template-columns:repeat(3,1fr);gap:.4rem}.pc-no-sensors{padding:2rem;color:#526274}.pc-sensor-value:empty:after{content:'—';color:#aab6c0}


/* v1.9 responsive Carrier-inspired ductless system illustration. It is schematic, not a product photograph. */
.hvac-pc-simulation{overflow:hidden}
.pc-system-diagram{display:block;min-height:0;overflow:visible;padding:.5rem 0 0}
.pc-system-visual{width:100%;max-width:1100px;margin:0 auto}
.pc-odu-row{display:flex;align-items:center;justify-content:center;gap:clamp(.8rem,3vw,3rem);padding:.25rem .25rem 1.1rem}
.pc-odu-card{width:240px;min-width:210px}
.pc-equipment-badge,.pc-idu-caption{font-size:.68rem;letter-spacing:.08em;font-weight:800;color:#526274}
.pc-odu-shell{height:145px;margin:.25rem auto .5rem;border:2px solid #5d6c75;border-radius:8px;background:linear-gradient(145deg,#f5f7f8,#cbd5da);box-shadow:inset 0 0 0 5px #e7ecef,0 4px 8px #b7c6d0;position:relative;overflow:hidden}
.pc-odu-top{font-size:.57rem;letter-spacing:.07em;color:#526274;padding:.45rem;border-bottom:1px solid #9aaab2;font-weight:800}
.pc-odu-grille{position:absolute;left:12px;right:12px;top:35px;bottom:19px;display:grid;grid-template-columns:repeat(3,1fr);gap:5px;align-content:center}
.pc-odu-grille i{height:4px;border-radius:2px;background:#82939d;box-shadow:0 2px 0 #b8c4c9;display:block}
.pc-odu-fan{position:absolute;right:13px;top:52px;width:62px;height:62px;border:2px solid #82939d;border-radius:50%;background:radial-gradient(circle,#71838d 0 5px,transparent 6px);opacity:.8}
.pc-odu-fan:before,.pc-odu-fan:after{content:'';position:absolute;inset:10px;border:4px solid #82939d;border-left-color:transparent;border-radius:50%;transform:rotate(25deg)}
.pc-odu-fan:after{transform:rotate(115deg)}
.pc-odu-bottom{position:absolute;bottom:0;left:0;right:0;background:#61737d;color:#fff;display:flex;justify-content:space-between;padding:3px 9px;font-size:.56rem;font-weight:700}
.pc-equipment-sensors,.pc-idu-sensors{display:grid;grid-template-columns:repeat(3,1fr);gap:.3rem}
.pc-sensor{background:#fff;border:1px solid #a8bac5;border-radius:4px;padding:.25rem .12rem;min-width:0}
.pc-sensor-label{display:block;font-size:.62rem;font-weight:800;color:#526274}.pc-sensor-value{display:block;font-size:.72rem;min-height:1em;font-weight:800;color:#1459a6}
.pc-main-piping{width:clamp(120px,25vw,280px);height:70px;position:relative;flex:0 1 280px}
.pc-main-piping span{position:absolute;left:0;right:0;height:4px;border-radius:3px;background:#c55353;top:27px}.pc-main-piping span+span{top:40px;background:#4b80aa}
.pc-main-piping b{position:absolute;right:0;top:0;font-size:.57rem;color:#526274;text-align:right;line-height:1.1;background:#f8fbfe;padding-left:.3rem}
.pc-idu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:.75rem;padding:.9rem .25rem .25rem;border-top:2px solid #b8c8d2;position:relative}
.pc-idu-grid:before{content:'INDOOR UNITS / HIGH WALL';position:absolute;top:-.55rem;left:50%;transform:translateX(-50%);background:#f8fbfe;padding:0 .5rem;font-size:.62rem;letter-spacing:.08em;color:#526274;font-weight:800;white-space:nowrap}
.pc-branch{min-width:0;text-align:center;position:relative;padding-top:.5rem}.pc-lines{height:15px;position:absolute;top:-.9rem;left:50%;width:34px;transform:translateX(-50%)}.pc-lines span{position:absolute;top:0;bottom:0;width:3px;background:#c55353;left:10px}.pc-lines span+span{left:20px;background:#4b80aa}
.pc-highwall{height:62px;border:2px solid #687983;border-radius:5px;background:linear-gradient(#f9fafb,#dce4e8);box-shadow:0 3px 5px #c0ccd2;position:relative;overflow:hidden;margin-bottom:.3rem}
.pc-highwall-brand{font-size:.42rem;color:#65747c;text-align:left;padding:5px 7px;font-weight:800;letter-spacing:.04em}.pc-highwall-vent{position:absolute;left:8px;right:31px;bottom:10px;display:flex;gap:3px}.pc-highwall-vent i{height:3px;flex:1;background:#8c9da5;border-radius:2px}.pc-highwall-display{position:absolute;right:8px;top:25px;font-weight:800;font-size:.75rem;color:#1f4e78}.pc-idu-caption{font-size:.62rem;margin-bottom:.25rem}.pc-no-sensors{grid-column:1/-1}
@media(max-width:600px){.pc-odu-row{gap:.4rem;align-items:center}.pc-odu-card{width:190px;min-width:170px}.pc-odu-shell{height:115px}.pc-odu-fan{width:45px;height:45px;right:9px;top:44px}.pc-main-piping{width:70px}.pc-main-piping b{display:none}.pc-idu-grid{grid-template-columns:repeat(2,minmax(120px,1fr));gap:.55rem}.pc-sensor-value{font-size:.64rem}.pc-equipment-sensors{gap:.2rem}}

/* v1.9.1: left ODU, adjacent T2B sensors, vertically stacked IDUs */
.pc-system-layout{display:grid;grid-template-columns:minmax(220px,280px) minmax(300px,1fr);gap:clamp(1rem,3vw,3rem);align-items:start;max-width:900px;margin:0 auto;padding:.4rem .25rem}
.pc-odu-column{display:flex;flex-direction:column;gap:.9rem;position:sticky;top:.5rem}
.pc-odu-card{width:auto;min-width:0}.pc-odu-t2b{border:1px solid #a8bac5;border-radius:6px;background:#eef5f9;padding:.55rem}.pc-t2b-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:.3rem;margin-top:.35rem}
.pc-idu-column{position:relative;display:flex;flex-direction:column;gap:.8rem;padding-top:1.3rem}.pc-idu-heading{position:absolute;top:0;left:0;right:0;text-align:center;font-size:.65rem;letter-spacing:.08em;color:#526274;font-weight:800}
.pc-branch{display:grid;grid-template-columns:34px minmax(170px,240px) 1fr;grid-template-rows:auto auto;column-gap:.45rem;align-items:center;text-align:left;padding:.25rem 0;border-bottom:1px solid #d6e1e7}.pc-branch-pipes{grid-column:1;grid-row:1 / span 2;height:100%;min-height:74px;position:relative}.pc-branch-pipes span{position:absolute;left:10px;top:50%;width:25px;height:4px;background:#c55353;border-radius:2px;transform:translateY(-7px)}.pc-branch-pipes span+span{background:#4b80aa;transform:translateY(5px)}.pc-highwall{grid-column:2;grid-row:1;height:62px;margin:0}.pc-idu-caption{grid-column:2;grid-row:2;margin:.25rem 0 0;font-size:.62rem}.pc-idu-sensors{grid-column:3;grid-row:1 / span 2;align-self:center;min-width:120px}.pc-no-sensors{grid-column:1/-1}
@media(max-width:650px){.pc-system-layout{grid-template-columns:150px minmax(190px,1fr);gap:.5rem}.pc-odu-card{font-size:.9em}.pc-odu-shell{height:110px}.pc-odu-fan{width:45px;height:45px;right:8px;top:42px}.pc-t2b-stack{grid-template-columns:repeat(2,1fr)}.pc-branch{grid-template-columns:18px minmax(105px,1fr);grid-template-rows:auto auto}.pc-branch-pipes span{left:0;width:18px}.pc-highwall{grid-column:2;height:48px}.pc-idu-caption{grid-column:2}.pc-idu-sensors{grid-column:2;grid-row:3;display:grid;grid-template-columns:repeat(2,1fr);margin-top:.15rem}.pc-branch{padding-bottom:.5rem}.pc-idu-column{gap:.45rem}}


/* v1.9.2: ODU | vertical T2B outlet sensors | aligned vertical IDU branches */
.pc-system-layout{grid-template-columns:minmax(190px,250px) minmax(105px,145px) minmax(300px,1fr);gap:clamp(.65rem,2vw,1.5rem);align-items:start}
.pc-odu-column{position:relative;top:0;gap:0}
.pc-t2b-column{min-width:0;padding-top:0}
.pc-t2b-column>.pc-equipment-badge,.pc-idu-heading{height:1.45rem;display:flex;align-items:center;justify-content:center}
.pc-t2b-stack{display:flex;flex-direction:column;gap:.8rem;margin-top:.8rem}
.pc-t2b-row{height:104px;display:flex;align-items:center}
.pc-t2b-row .pc-sensor{width:100%;text-align:center}
.pc-t2b-row .pc-sensor-label,.pc-t2b-row .pc-sensor-value,.pc-equipment-sensors .pc-sensor-label,.pc-equipment-sensors .pc-sensor-value,.pc-idu-sensors .pc-sensor-label,.pc-idu-sensors .pc-sensor-value{text-align:center}
.pc-odu-card .pc-equipment-sensors{margin-top:.35rem}
.pc-idu-column{padding-top:0;gap:.8rem}
.pc-branch{min-height:104px;box-sizing:border-box}
.pc-branch-empty{visibility:hidden}
.pc-highwall-brand,.pc-highwall-display{left:0;right:0;text-align:center}
.pc-highwall-brand{padding:5px 3px}
.pc-highwall-display{top:25px}
.pc-idu-sensors{align-self:center}
@media(max-width:850px){.pc-system-layout{grid-template-columns:minmax(155px,205px) minmax(88px,112px) minmax(230px,1fr);gap:.45rem}.pc-t2b-row{height:92px}.pc-branch{min-height:92px}.pc-t2b-stack{gap:.45rem}.pc-idu-column{gap:.45rem}.pc-highwall-brand{font-size:.36rem}.pc-sensor-label{font-size:.56rem}.pc-sensor-value{font-size:.66rem}}
@media(max-width:650px){.pc-system-layout{grid-template-columns:125px 82px minmax(175px,1fr);gap:.3rem}.pc-odu-shell{height:100px}.pc-t2b-row{height:78px}.pc-branch{min-height:78px}.pc-t2b-stack{gap:.25rem}.pc-idu-column{gap:.25rem}.pc-highwall{height:48px}.pc-highwall-brand{font-size:.3rem}.pc-highwall-display{font-size:.62rem;top:19px}.pc-idu-sensors{grid-template-columns:repeat(2,1fr);min-width:0}.pc-sensor{padding:.2rem .08rem}.pc-sensor-label{font-size:.48rem}.pc-sensor-value{font-size:.58rem}}


/* v1.9.3: final visual alignment — centered ODU, narrow aligned T2B cards */
.pc-system-layout{align-items:stretch}
.pc-odu-column{align-self:center;justify-content:center}
.pc-t2b-column{width:88px;min-width:88px;align-self:stretch}
.pc-t2b-column>.pc-equipment-badge,.pc-idu-heading{height:1.45rem;min-height:1.45rem;box-sizing:border-box;margin:0;line-height:1.05}
.pc-t2b-stack{gap:0;margin-top:0}
.pc-t2b-row{height:104px;min-height:104px;box-sizing:border-box;display:flex;align-items:center;justify-content:center}
.pc-t2b-row .pc-sensor{width:88px;box-sizing:border-box;padding-left:.2rem;padding-right:.2rem}
.pc-t2b-row .pc-sensor-label{font-size:.56rem;line-height:1.1}
.pc-t2b-row .pc-sensor-value{font-size:.68rem}
.pc-idu-column{gap:0}
.pc-branch{height:104px;min-height:104px;padding:.25rem 0;box-sizing:border-box}
.pc-branch-empty{height:104px;min-height:104px}
.pc-highwall{align-self:center}
.pc-idu-sensors{align-self:center}
.pc-equipment-sensors{grid-template-columns:repeat(3,minmax(0,1fr))}
.pc-equipment-sensors .pc-sensor{min-width:0;width:100%;box-sizing:border-box}
@media(max-width:850px){
  .pc-t2b-column{width:78px;min-width:78px}
  .pc-t2b-row,.pc-branch,.pc-branch-empty{height:92px;min-height:92px}
  .pc-t2b-row .pc-sensor{width:78px}
}
@media(max-width:650px){
  .pc-t2b-column{width:72px;min-width:72px}
  .pc-t2b-row,.pc-branch,.pc-branch-empty{height:78px;min-height:78px}
  .pc-t2b-row .pc-sensor{width:72px}
}


/* v1.9.4: equal information cards, top alignment, and visible column heading */
.pc-system-layout{align-items:stretch}
.pc-odu-column{align-self:center;justify-content:center}
.pc-idu-heading{position:static;transform:none;display:flex;visibility:visible;z-index:2;margin:0 0 .35rem;height:1.45rem;min-height:1.45rem;box-sizing:border-box;white-space:nowrap;overflow:visible}
.pc-t2b-column>.pc-equipment-badge{position:static;visibility:visible;z-index:2;margin:0 0 .35rem;height:1.45rem;min-height:1.45rem;box-sizing:border-box;white-space:nowrap;overflow:visible}
.pc-t2b-stack{margin-top:0;gap:0}
.pc-t2b-row,.pc-branch,.pc-branch-empty{height:104px;min-height:104px;box-sizing:border-box}
.pc-t2b-row{align-items:flex-start;padding-top:.25rem}
.pc-branch{align-items:start}
.pc-highwall{align-self:start}
.pc-idu-sensors{align-self:start;margin-top:0}
/* Every white information card uses the same standard footprint. */
.pc-sensor,.pc-t2b-row .pc-sensor,.pc-equipment-sensors .pc-sensor,.pc-idu-sensors .pc-sensor{width:88px;min-width:88px;height:48px;min-height:48px;box-sizing:border-box;display:flex;flex-direction:column;justify-content:flex-start;align-items:center;text-align:center;padding:.28rem .2rem}
.pc-sensor-label,.pc-sensor-value{width:100%;text-align:center;line-height:1.12}
.pc-sensor-label{min-height:1.35em}
.pc-sensor-value{margin-top:.18rem}
.pc-equipment-sensors{align-items:start}
.pc-equipment-sensors .pc-sensor{width:100%;min-width:0}
.pc-idu-sensors{display:flex;gap:.3rem;min-width:0}
@media(max-width:850px){
 .pc-t2b-row,.pc-branch,.pc-branch-empty{height:92px;min-height:92px}
 .pc-sensor,.pc-t2b-row .pc-sensor,.pc-equipment-sensors .pc-sensor,.pc-idu-sensors .pc-sensor{height:46px;min-height:46px}
 .pc-t2b-row .pc-sensor{width:78px;min-width:78px}
 .pc-idu-sensors .pc-sensor{width:78px;min-width:78px}
}
@media(max-width:650px){
 .pc-t2b-row,.pc-branch,.pc-branch-empty{height:78px;min-height:78px}
 .pc-sensor,.pc-t2b-row .pc-sensor,.pc-equipment-sensors .pc-sensor,.pc-idu-sensors .pc-sensor{height:42px;min-height:42px;padding:.18rem .1rem}
 .pc-t2b-row .pc-sensor,.pc-idu-sensors .pc-sensor{width:72px;min-width:72px}
 .pc-idu-heading,.pc-t2b-column>.pc-equipment-badge{font-size:.52rem}
}