/* Lesson setup page. One centred column of section cards with a section rail on wide screens.
   Every input is sized in ch to the longest value it holds; units sit inside the box. */
.setup-v2{
 --su-raised:var(--surface-raised,#f7f8f9);--su-warn:var(--warning-ink,#a15c07);--su-warn-bg:var(--warning-bg,#fff7e8);--su-warn-edge:var(--warning-edge,#d9a441);
 --su-calc:var(--green,#226c4a);--su-calc-bg:color-mix(in srgb,var(--green,#226c4a) 11%,var(--surface,#fff));--su-accent-soft:color-mix(in srgb,var(--accent,#1d5fbf) 11%,var(--surface,#fff));
 --su-mono:var(--font-ui,ui-monospace,monospace);--su-r:6px;--su-h:36px;
 color:var(--ink);font-size:14px;line-height:1.45;padding-bottom:48px
}
.setup-v2 *{box-sizing:border-box}
.setup-v2 [hidden]{display:none!important}
.setup-v2 :focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.su-head{max-width:1092px;margin:4px auto 16px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px}
.su-head h1{margin:0;font-size:24px;letter-spacing:-.01em}
.setup-v2 .chip{display:inline-flex;gap:6px;align-items:baseline;padding:5px 10px;border:1px solid var(--edge);background:var(--surface);border-radius:999px;font-size:13px;font-variant-numeric:tabular-nums}
.setup-v2 .chip>span{color:var(--secondary);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.su-layout{max-width:1092px;margin:0 auto;display:grid;grid-template-columns:180px minmax(0,880px);gap:16px 32px;justify-content:center}
.setup-v2 .rail{position:sticky;top:16px;align-self:start;display:flex;flex-direction:column;gap:2px;background:var(--surface);border:1px solid var(--edge);border-radius:8px;padding:6px}
.setup-v2 .rail a{display:flex;justify-content:space-between;gap:8px;padding:7px 10px;border-radius:var(--su-r);color:var(--secondary);text-decoration:none;font-size:13px}
.setup-v2 .rail a:hover{background:var(--hover);color:var(--ink)}
.setup-v2 .rail small{font-variant-numeric:tabular-nums}
.su-main{display:flex;flex-direction:column;gap:12px;min-width:0}

.setup-v2 .card{background:var(--surface);border:1px solid var(--edge);border-radius:8px;scroll-margin-top:16px}
.setup-v2 .card>header,.setup-v2 .card>details>summary{display:flex;align-items:center;gap:12px;padding:12px 20px;flex-wrap:wrap}
.setup-v2 .card h2{margin:0;font-size:16px}
.setup-v2 .card summary .sub{margin-left:auto;text-align:right;color:var(--secondary);font-size:13px}
.setup-v2 .body{padding:0 20px 16px;display:flex;flex-direction:column;gap:14px}
.setup-v2 details>summary{cursor:pointer;list-style:none}
.setup-v2 details>summary::-webkit-details-marker{display:none}
.setup-v2 .card>details>summary::before,.setup-v2 .card>details>summary::after{content:none;display:none}
.setup-v2 .chev{width:16px;height:16px;transition:transform .15s;flex:none;color:var(--secondary)}
.setup-v2 details[open] summary .chev{transform:rotate(90deg)}

.setup-v2 .grid{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:flex-start}
.setup-v2 .grid>.f.wide{flex:1 1 100%}
.setup-v2 .f{display:flex;flex-direction:column;align-items:flex-start;gap:6px;min-width:0;margin:0}
.setup-v2 .f>textarea,.setup-v2 .f>.atis-row{align-self:stretch}
.setup-v2 .f>label,.setup-v2 .f>.lab{font-size:12px;font-weight:600;color:var(--secondary);line-height:17px}
.setup-v2 .hint{font-size:12px;color:var(--secondary);font-weight:400}
.setup-v2 .f.private textarea{background:var(--private-bg,#fff5f1)}

.setup-v2 .in{height:var(--su-h);min-height:0;width:calc(var(--ch,10) * 1ch + 22px + var(--sfx,0px) + var(--pfx,0px));max-width:100%;margin:0;
 padding:0 10px;border:1px solid var(--control-edge);border-radius:var(--su-r);background:var(--surface);color:var(--ink);font:inherit;font-variant-numeric:tabular-nums}
.setup-v2 .in:hover{border-color:var(--ink)}
.setup-v2 .in.code{font-family:var(--su-mono);text-transform:uppercase}
.setup-v2 .in.txt{width:calc(var(--ch,10) * 1.15ch + 22px)}
/* Public Sans capitals are wider than one 'ch'; prefixed fields also hold their prefix. */
.setup-v2 input.in.code:not(.num){width:calc(var(--ch,10) * 1.45ch + 24px)}
.setup-v2 .adorn.pfx input.in.code{width:calc(var(--ch,10) * 1.45ch + 24px + var(--pfx))}
.setup-v2 .wxg .adorn input.in.code,.setup-v2 .rwy3 .adorn input.in.code,.setup-v2 .wxg input.in.code,.setup-v2 .rwy3 input.in.code{width:100%}
.setup-v2 .in.num{text-align:right}
.setup-v2 select.in{padding:0 28px 0 10px;width:calc(var(--ch,10) * 1.15ch + 44px)}
.setup-v2 input[type=date].in{width:calc(10ch + 52px)}
.setup-v2 input[type=number]{-moz-appearance:textfield;appearance:textfield}
.setup-v2 input[type=number]::-webkit-inner-spin-button,.setup-v2 input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.setup-v2 textarea.in{height:auto;width:100%;padding:8px 10px;resize:vertical;line-height:1.5}
.setup-v2 textarea.in.code{font-size:13px}
.setup-v2 .calc{height:var(--su-h);display:inline-flex;align-items:center;gap:6px;padding:0 10px;border-radius:var(--su-r);background:var(--su-calc-bg);color:var(--su-calc);font-weight:600;font-variant-numeric:tabular-nums;width:max-content}
.setup-v2 .calc small{font-weight:400;opacity:.85}

.setup-v2 .adorn{position:relative;display:inline-flex;max-width:100%}
.setup-v2 .adorn .u{position:absolute;top:0;bottom:0;display:flex;align-items:center;color:var(--secondary);font-size:13px;pointer-events:none}
.setup-v2 .adorn.sfx .in{--sfx:2.6em;padding-right:calc(10px + var(--sfx))}
.setup-v2 .adorn.sfx .u{right:10px}
.setup-v2 .adorn.sfx .in.num{padding-right:calc(6px + var(--sfx))}
.setup-v2 .adorn.pfx .in{--pfx:2.2em;padding-left:calc(10px + var(--pfx))}
.setup-v2 .adorn.pfx .u{left:10px;font-family:var(--su-mono)}

.setup-v2 .seg{display:inline-flex;border:1px solid var(--control-edge);border-radius:var(--su-r);overflow:hidden;height:var(--su-h);max-width:100%;flex-wrap:nowrap}
.setup-v2 .seg button{border:0;border-radius:0;background:var(--surface);color:var(--ink);padding:0 12px;min-width:40px;min-height:0;height:100%;cursor:pointer;font:inherit;font-variant-numeric:tabular-nums;white-space:nowrap}
.setup-v2 .seg button+button{border-left:1px solid var(--edge)}
.setup-v2 .seg button:hover{background:var(--hover)}
.setup-v2 .seg button[aria-pressed=true]{background:var(--selected);color:var(--selected-ink);font-weight:600}

.setup-v2 .switches.stack{display:flex;flex-direction:column;gap:2px;padding-top:6px}
.setup-v2 .sw{display:inline-flex;align-items:center;gap:10px;height:26px;cursor:pointer;font-size:14px}
.setup-v2 .sw input{appearance:none;-webkit-appearance:none;width:36px;height:20px;min-height:0;border:0;border-radius:999px;background:var(--control-edge);position:relative;cursor:pointer;margin:0;padding:0;flex:none;transition:background .15s}
.setup-v2 .sw input::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--surface);transition:transform .15s}
.setup-v2 .sw input:checked{background:var(--accent)}
.setup-v2 .sw input:checked::after{transform:translateX(16px)}

.setup-v2 .btn{display:inline-flex;align-items:center;gap:6px;height:var(--su-h);min-height:0;padding:0 14px;border:1px solid var(--control-edge);border-radius:var(--su-r);background:var(--surface);color:var(--ink);cursor:pointer;font:inherit;font-weight:500;white-space:nowrap}
.setup-v2 .btn:hover{background:var(--hover)}
.setup-v2 .btn.quiet{border-color:transparent;background:transparent;color:var(--accent);padding:0 8px}
.setup-v2 .btn.quiet:hover{background:var(--su-accent-soft)}
.setup-v2 .btn.small{height:28px;font-size:13px}
.setup-v2 .btn.danger{color:var(--private,#8b443a)}

.setup-v2 .flt-top{display:flex;gap:16px 24px;flex-wrap:wrap;align-items:flex-end}
.setup-v2 .flt-remove{margin-left:auto}
.setup-v2 .legs{display:flex;flex-wrap:wrap;gap:16px}
.setup-v2 .leg{flex:1 1 auto;border:1px solid var(--edge);border-radius:var(--su-r);padding:10px 14px 12px;display:flex;flex-direction:column;gap:10px;background:var(--su-raised)}
.setup-v2 .leg h3{margin:0;font-size:13px}
.setup-v2 .leg .grid{gap:12px 16px}

.setup-v2 .wx-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
.setup-v2 .wx-tabs button{display:inline-flex;gap:8px;align-items:center;min-height:0;border:1px solid var(--edge);background:var(--surface);color:var(--ink);border-radius:var(--su-r);padding:7px 12px;cursor:pointer;font:inherit}
.setup-v2 .wx-tabs button[aria-selected=true]{border-color:var(--selected);box-shadow:inset 0 0 0 1px var(--selected);font-weight:600}
.setup-v2 .wx-tabs code{font-family:var(--su-mono)}
.setup-v2 .wx-tabs b{font-variant-numeric:tabular-nums;color:var(--secondary)}
.setup-v2 .wx-tabs button[aria-selected=true] b{color:var(--ink)}
.setup-v2 .wx-tabs .add-flt{color:var(--accent);font-weight:600}
.setup-v2 .atis-row{display:flex;gap:10px;align-items:flex-start}
.setup-v2 .atis-row textarea{flex:1;min-width:0}
.setup-v2 .parsed{font-size:12px;color:var(--su-calc)}
.setup-v2 .wx-obs{display:flex;flex-wrap:wrap;gap:14px 20px;align-content:start}
.setup-v2 .wxg-title{margin:4px 0 -4px;font-size:12px;font-weight:600;color:var(--secondary);border-top:1px solid var(--edge);padding-top:14px}
.setup-v2 .wxg-title code{font-family:var(--su-mono);font-weight:400}
.setup-v2 .wxg-title.sub-t{border-top:0;padding-top:4px;margin:2px 0 -6px}
.setup-v2 .wx-empty{margin:0}
.setup-v2 .wxg{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px 16px;align-items:end}
.setup-v2 .wxg .f{align-items:stretch}
.setup-v2 .wxg .in,.setup-v2 .wxg .adorn,.setup-v2 .wxg .seg{width:100%}
.setup-v2 .wxg .seg button{flex:1}
.setup-v2 .rwy3{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px 16px;align-items:end}
.setup-v2 .rwy3 .in,.setup-v2 .rwy3 .adorn{width:100%}
.setup-v2 .wxg-head{font-size:12px;font-weight:600;color:var(--secondary);margin-bottom:-6px}
.setup-v2 .wxg-hint{font-size:12px;color:var(--secondary);align-self:center}
.setup-v2 .wxg-row{font-size:13px;font-weight:600;color:var(--secondary);align-self:center}

.setup-v2 .tbl-wrap{overflow-x:auto}
.setup-v2 table.tol{border-collapse:collapse;width:100%}
.setup-v2 table.tol th{font-size:12px;font-weight:600;color:var(--secondary);text-align:left;padding:0 12px 6px 0}
.setup-v2 table.tol td{padding:4px 12px 4px 0;vertical-align:top}
.setup-v2 table.tol td:nth-child(1) .in{width:22ch}
.setup-v2 table.tol td:nth-child(2) .in{width:24ch}
.setup-v2 table.tol td:nth-child(3){width:100%;min-width:220px}

/* flight header stays on screen while its fields scroll */
#s-flights>header{position:sticky;top:env(safe-area-inset-top,0px);z-index:6;background:var(--surface);border-radius:8px 8px 0 0;border-bottom:1px solid transparent;transition:border-color .15s,box-shadow .15s}
#s-flights>header.stuck{border-bottom-color:var(--edge);box-shadow:0 4px 10px -8px rgba(0,0,0,.35);border-radius:0}
#s-flights>header .now{font-size:13px;color:var(--secondary)}
#s-flights>header .now b{color:var(--ink);font-family:var(--su-mono);font-weight:600}

/* required values that are still empty */
.setup-v2 .in.missing{border-color:var(--su-warn-edge);background:var(--su-warn-bg);box-shadow:inset 0 0 0 1px var(--su-warn-edge)}
.setup-v2 .f.has-missing>label::after,.setup-v2 .f.has-missing>.lab::after{content:" · required";color:var(--su-warn);font-weight:600}
.setup-v2 .miss-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--su-warn-bg);color:var(--su-warn);border:1px solid var(--su-warn-edge);font-size:11px;font-weight:700}
.setup-v2 .miss-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 12px;border:1px solid var(--su-warn-edge);background:var(--su-warn-bg);color:var(--su-warn);border-radius:var(--su-r);font-size:13px}
.setup-v2 .miss-bar button{border:0;background:none;color:inherit;font-weight:600;text-decoration:underline;cursor:pointer;padding:0;min-height:0}
.setup-v2 .miss-bar.ok{border-color:var(--edge);background:var(--su-calc-bg);color:var(--su-calc)}

@media (max-width:1100px){
 .su-layout{grid-template-columns:minmax(0,880px)}
 .setup-v2 .rail{display:none}
}
@media (max-width:860px){.setup-v2 .wxg,.setup-v2 .rwy3{grid-template-columns:repeat(3,minmax(0,1fr))}.setup-v2 .rwy3{grid-template-columns:96px repeat(3,minmax(0,1fr))}.setup-v2 .rwy3>.end{display:none}}
@media (max-width:720px){
 .setup-v2 .card>header,.setup-v2 .card>details>summary{padding:14px 16px}
 .setup-v2 .card summary .sub{margin-left:0;text-align:left;flex-basis:100%}
 .setup-v2 .body{padding:4px 16px 16px}
 .setup-v2 .atis-row{flex-direction:column}
 .setup-v2 .wx-tabs{margin-left:0}
 .setup-v2 .wxg{grid-template-columns:repeat(2,minmax(0,1fr))}
 .setup-v2 .rwy3{grid-template-columns:72px repeat(3,minmax(0,1fr));gap:8px}
 .setup-v2 .rwy3 .in{padding:0 6px;font-size:13px}
 .setup-v2 .rwy3 .adorn .u{display:none}
 .setup-v2 .rwy3 .adorn.sfx .in{padding-right:6px}
 .setup-v2 .rwy3 select.in{padding-right:20px}
}
@media (pointer:coarse){.setup-v2 .in{font-size:16px;min-height:44px}.setup-v2 .rwy3 .in{font-size:14px}}
@media (max-width:420px){.setup-v2 .seg button{padding:0 9px;min-width:34px}}
@media (prefers-reduced-motion:reduce){.setup-v2 *{transition:none!important}}