/* Power Air fan selector — ported from preview/selecteur.html (unchanged styles) */
:root{--blue:#0a4d8c;--blue-d:#073a6b;--accent:#e30613;--bg:#eef2f6;--card:#ffffff;--field:#ffffff;--text:#1f2530;--muted:#6b7178;--line:#e2e6ea;--head:#0a4d8c;--shadow:0 1px 3px rgba(16,32,56,.07),0 8px 26px rgba(16,32,56,.07);color-scheme:light;}
[data-theme="dark"]{--bg:#0d1117;--card:#161b22;--field:#1d242d;--text:#e6edf3;--muted:#9aa6b2;--line:#2a323c;--head:#13243a;--shadow:0 1px 3px rgba(0,0,0,.45),0 10px 30px rgba(0,0,0,.4);color-scheme:dark;}
.ps-wrap *{box-sizing:border-box;}
.ps-wrap{max-width:1180px;margin:0 auto;padding:24px 18px 60px;color:var(--text);font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;}
.ps-top{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(135deg,var(--blue),var(--blue-d));color:#fff;padding:18px 22px;border-radius:10px;margin-bottom:22px;}
.ps-top h1{margin:0;font-size:24px;}
.ps-top p{margin:4px 0 0;font-size:13px;opacity:.85;}
.ps-top-right{display:flex;align-items:center;gap:14px;}
.ps-lang{display:flex;border:1px solid rgba(255,255,255,.45);border-radius:8px;overflow:hidden;}
.ps-lang button{background:transparent;color:#fff;border:0;padding:8px 12px;font-size:13px;font-weight:700;cursor:pointer;}
.ps-lang button.active{background:#fff;color:var(--blue);}
.ps-freq{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:8px;padding:10px 16px;font-weight:700;font-size:18px;}
.ps-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start;}
.ps-card{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);transition:background .25s ease,border-color .25s ease;}
.ps-card h2{margin:0;font-size:15px;font-weight:700;color:#fff;background:var(--head);padding:12px 16px;letter-spacing:.3px;display:flex;justify-content:space-between;align-items:center;gap:10px;cursor:pointer;user-select:none;transition:filter .15s ease;}
.ps-card h2:hover{filter:brightness(1.12);}
.ps-card h2 .ps-htitle{display:flex;align-items:center;gap:10px;min-width:0;}
.ps-chevron{flex:0 0 auto;color:#fff;line-height:0;transition:transform .22s ease;}
.ps-card.ps-collapsed .ps-chevron{transform:rotate(-90deg);}
.ps-card.ps-collapsed .ps-body{max-height:0!important;padding-top:0!important;padding-bottom:0!important;opacity:0;}
.ps-card h2 .ps-counter{font-size:12px;background:rgba(255,255,255,.22);color:#fff;border-radius:20px;padding:2px 10px;}
.ps-card .ps-body{padding:16px;overflow:hidden;transition:max-height .25s ease,padding .25s ease,opacity .2s ease;max-height:2000px;}
.ps-span2{grid-column:1 / -1;}
.ps-field{margin-bottom:16px;}
.ps-field:last-child{margin-bottom:0;}
.ps-field label.ps-lbl{display:block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:6px;}
.ps-inrow{display:flex;gap:8px;}
.ps-inrow input[type=text],.ps-inrow input[type=number],.ps-inrow select{flex:1;min-width:0;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:var(--field);color:var(--text);}
.ps-inrow .ps-unit{flex:0 0 auto;display:flex;align-items:center;padding:0 12px;background:var(--bg);border:1px solid var(--line);border-radius:8px;font-size:13px;color:var(--muted);}
.ps-inrow select{flex:0 0 auto;}
.ps-wrap input:focus,.ps-wrap select:focus{outline:none;border-color:var(--blue);}
/* dual tolerance */
.ps-dual{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.ps-dual-head{display:flex;justify-content:space-between;align-items:baseline;}
.ps-dual-cap{font-size:12px;font-weight:700;color:var(--muted);}
.ps-range-val{font-weight:700;color:var(--blue);font-size:14px;}
.ps-dual input[type=range]{width:100%;accent-color:var(--blue);}
.ps-nominal{font-size:12px;color:var(--muted);margin-top:3px;}
.ps-range input[type=range]{width:100%;accent-color:var(--blue);}
.ps-range-head{display:flex;justify-content:space-between;align-items:baseline;}
.ps-tooltip{font-size:11px;color:var(--muted);margin-top:6px;line-height:1.4;font-style:italic;}
.ps-readout{background:var(--bg);border-radius:8px;padding:10px 14px;font-size:14px;font-weight:600;color:var(--blue);}
.ps-list{max-height:240px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:6px;}
.ps-opt{display:flex;align-items:center;gap:8px;font-size:13px;padding:6px 8px;border-radius:6px;cursor:pointer;}
.ps-opt:hover{background:var(--bg);}
.ps-opt input{accent-color:var(--blue);}
.ps-subhead{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:14px 0 6px;}
.ps-subhead:first-child{margin-top:0;}
.ps-searchbox{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;margin-bottom:8px;background:var(--field);color:var(--text);}
.ps-actions{grid-column:1 / -1;display:flex;gap:12px;justify-content:flex-end;margin-top:4px;}
.ps-btn{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:13px 30px;font-size:15px;font-weight:600;cursor:pointer;}
.ps-btn:hover{filter:brightness(.92);}
.ps-btn.ghost{background:var(--card);color:var(--muted);border:1px solid var(--line);}
.ps-btn.ghost:hover{border-color:var(--accent);color:var(--accent);}
.ps-summary{grid-column:1 / -1;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px;padding:16px 18px;font-size:14px;line-height:1.6;box-shadow:var(--shadow);}
.ps-summary b{color:var(--blue);}
.ps-restable{width:100%;border-collapse:collapse;margin:10px 0 4px;}
.ps-restable th{text-align:left;font-weight:500;color:var(--muted);padding:6px 12px 6px 0;white-space:nowrap;vertical-align:top;font-size:13px;}
.ps-restable td{padding:6px 0;}
.ps-restable tr.ps-hr td{border-top:1px dashed var(--line);padding:0;height:8px;}
.ps-res-ctx{margin-top:8px;padding-top:10px;border-top:1px solid var(--line);font-size:13px;}
.ps-res-note{margin-top:10px;font-size:12px;color:var(--muted);line-height:1.5;background:var(--bg);padding:10px 12px;border-radius:8px;}
@media(max-width:820px){.ps-grid{grid-template-columns:1fr;}}
/* live results */
#ps-results:empty{display:none;}
.ps-rescount{font-weight:700;color:var(--blue);font-size:15px;margin:0 0 10px;display:flex;align-items:center;gap:8px;}
.ps-rescount .ps-badge{background:var(--accent);color:#fff;border-radius:20px;padding:2px 12px;font-size:13px;}
.ps-restable-wrap{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:auto;max-height:560px;box-shadow:var(--shadow);}
table.ps-fans{width:100%;border-collapse:collapse;font-size:13px;}
table.ps-fans thead th{position:sticky;top:0;background:var(--head);color:#fff;text-align:left;font-weight:600;padding:10px 12px;white-space:nowrap;font-size:12px;letter-spacing:.3px;z-index:1;}
table.ps-fans tbody td{padding:9px 12px;border-top:1px solid var(--line);vertical-align:middle;}
table.ps-fans tbody tr:hover{background:var(--bg);}
table.ps-fans td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;}
table.ps-fans td b{color:var(--text);}
.ps-var{color:var(--muted);font-size:12px;}
table.ps-fans a{color:var(--accent);font-weight:600;text-decoration:none;}
table.ps-fans a:hover{text-decoration:underline;}
table.ps-fans td.ps-view-cell{text-align:center;}
.ps-view{display:inline-flex;align-items:center;justify-content:center;color:var(--accent);line-height:0;}
.ps-view:hover{color:var(--head);text-decoration:none;transform:scale(1.15);transition:transform .12s ease;}
.ps-loading{padding:18px;color:var(--muted);font-size:14px;background:var(--card);border:1px solid var(--line);border-radius:10px;}
.ps-err{padding:16px 18px;color:#a12;background:#fdecec;border:1px solid #f5b5b5;border-radius:10px;font-size:14px;line-height:1.5;}
[data-theme="dark"] .ps-err{color:#ffb4b4;background:#3a1c1f;border-color:#5c2a2e;}
/* brand + theme toggle */
.ps-brand{display:flex;align-items:center;gap:16px;}
.ps-logo{height:42px;width:auto;filter:brightness(0) invert(1);}
.ps-theme{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);color:#fff;width:40px;height:40px;border-radius:8px;font-size:18px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;}
.ps-theme:hover{background:rgba(255,255,255,.26);}
/* ---- responsive: tablets ---- */
@media(max-width:860px){
	.ps-grid{grid-template-columns:1fr;}
	.ps-actions{flex-direction:column-reverse;align-items:stretch;}
	.ps-btn{width:100%;text-align:center;}
}
/* ---- responsive: phones ---- */
@media(max-width:560px){
	.ps-wrap{padding:14px 12px 48px;}
	.ps-top{flex-direction:column;align-items:stretch;gap:12px;padding:14px 16px;}
	.ps-brand{gap:12px;}
	.ps-logo{height:30px;}
	.ps-top h1{font-size:19px;}
	.ps-top p{font-size:12px;}
	.ps-top-right{justify-content:space-between;flex-wrap:wrap;gap:10px;}
	.ps-freq{font-size:15px;padding:8px 12px;}
	.ps-dual{grid-template-columns:1fr;gap:10px;}
	.ps-card .ps-body{padding:13px;}
	.ps-list{max-height:200px;}
	table.ps-fans{font-size:12px;}
	table.ps-fans thead th,table.ps-fans tbody td{padding:8px 9px;}
}
/* ---- responsive results: stacked cards (no sideways scroll) ---- */
@media(max-width:700px){
	.ps-restable-wrap{max-height:none;overflow:visible;border:0;background:transparent;box-shadow:none;}
	table.ps-fans thead{display:none;}
	table.ps-fans,table.ps-fans tbody{display:block;width:100%;}
	table.ps-fans tr{display:block;border:1px solid var(--line);border-radius:10px;background:var(--card);box-shadow:var(--shadow);margin:0 0 14px;padding:4px 2px;}
	table.ps-fans tbody td{display:flex;align-items:center;justify-content:space-between;gap:14px;text-align:right;border-top:0;padding:8px 14px;}
	table.ps-fans tbody td+td{border-top:1px solid var(--line);}
	table.ps-fans tbody td::before{content:attr(data-label);font-weight:600;color:var(--muted);text-align:left;flex:0 0 42%;white-space:normal;}
	table.ps-fans td.num{text-align:right;white-space:normal;}
	table.ps-fans td.ps-view-cell{justify-content:flex-end;}
	table.ps-fans td.ps-view-cell::before{content:none;}
	.ps-view svg{width:24px;height:24px;}
}
/* ---- responsive: small phones ---- */
@media(max-width:380px){
	.ps-inrow{flex-wrap:wrap;}
	.ps-inrow select,.ps-inrow .ps-unit{flex:1 1 100%;}
	.ps-top h1{font-size:17px;}
	.ps-lang button{padding:7px 9px;font-size:12px;}
}