/* "Ask an engineer" chat (CHAT.md). Built by chat.js; everything is scoped to #ow-chat. */
#ow-chat{--owc-ink:#20272b;--owc-dark:#1c2226;--owc-paper:#f5f4ef;--owc-rule:#d9dcd7;--owc-orange:#ff750b;--owc-muted:#667078;--owc-green:#2fbf71;position:fixed;right:22px;bottom:22px;z-index:1000;font-family:Arial,Helvetica,sans-serif;color:var(--owc-ink)}
#ow-chat[hidden],#ow-chat [hidden]{display:none!important}
#ow-chat button{font:inherit;cursor:pointer}

/* launcher */
.owc-launch{display:flex;align-items:center;gap:10px;min-height:50px;padding:0 20px 0 16px;background:var(--owc-dark);color:#fff;border:1px solid #ffffff2b;border-radius:3px;font-size:14px;font-weight:700;letter-spacing:.1px;box-shadow:0 10px 28px #0d121540;transition:transform .2s,background .2s}
.owc-launch:hover{background:#273036;transform:translateY(-2px)}
.owc-launch:focus-visible{outline:3px solid var(--owc-orange);outline-offset:3px}
.owc-launch::before{content:"";width:18px;height:14px;border:2px solid var(--owc-orange);border-radius:3px 3px 3px 0;flex:none;margin-right:2px}
.owc-dot{display:none;width:8px;height:8px;border-radius:50%;background:var(--owc-green);order:0;margin-right:-2px}
#ow-chat.is-online .owc-dot{display:inline-block}
.owc-label{order:1}.owc-label-m{display:none;order:1}
#ow-chat.is-open .owc-launch{background:#273036}
#ow-chat.has-unread .owc-launch{background:var(--owc-orange);color:#171e22;border-color:var(--owc-orange)}#ow-chat.has-unread .owc-launch::before{border-color:#171e22}

/* teaser */
.owc-teaser{position:absolute;right:0;bottom:64px;width:268px;display:flex;align-items:flex-start;background:#fff;border:1px solid var(--owc-rule);border-radius:3px;box-shadow:0 12px 30px #0d121530;animation:owc-in .35s ease-out}
.owc-teaser::after{content:"";position:absolute;right:28px;bottom:-7px;width:12px;height:12px;background:#fff;border-right:1px solid var(--owc-rule);border-bottom:1px solid var(--owc-rule);transform:rotate(45deg)}
.owc-teaser-text{flex:1;text-align:left;background:none;border:0;padding:14px 4px 14px 16px;font-size:14px;line-height:1.45;color:var(--owc-ink)}
.owc-teaser-text:hover{color:#000}
.owc-teaser-close,.owc-close{flex:none;width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:none;border:0;color:var(--owc-muted);font-size:22px;line-height:1}
@keyframes owc-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* panel */
.owc-panel{position:absolute;right:0;bottom:64px;width:388px;height:min(640px,calc(100vh - 110px));display:flex;flex-direction:column;background:#fff;border:1px solid var(--owc-rule);border-radius:4px;box-shadow:0 22px 60px #0d121547;overflow:hidden;animation:owc-in .25s ease-out}
.owc-head{position:relative;padding:18px 52px 14px 20px;background:var(--owc-dark);color:#eef0ec}
.owc-title{margin:0;font-size:19px;font-weight:700;letter-spacing:-.3px;line-height:1.2;color:#fff}
.owc-title:focus{outline:none}
.owc-sub{margin:6px 0 0;font-size:13px;line-height:1.5;color:#c5cacc}
.owc-presence{display:flex;align-items:center;gap:8px;margin:10px 0 0;font-size:12px;line-height:1.4;color:#9fa8ad}
.owc-presence::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:#7c868b}
#ow-chat.is-online .owc-presence{color:#d9f3e4}#ow-chat.is-online .owc-presence::before{background:var(--owc-green)}
.owc-close{position:absolute;top:10px;right:10px;color:#c5cacc}.owc-close:hover{color:#fff}
.owc-log{flex:1;min-height:0;overflow-y:auto;padding:16px 16px 6px;background:var(--owc-paper);display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain}
.owc-log:empty{display:none}
.owc-msg{max-width:86%;padding:10px 12px 6px;border-radius:3px;font-size:14px;line-height:1.5}
.owc-msg p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
.owc-me{align-self:flex-end;background:var(--owc-ink);color:#fff}
.owc-team,.owc-auto{align-self:flex-start;background:#fff;border:1px solid var(--owc-rule)}
.owc-auto{border-style:dashed}
.owc-who{display:block;margin-bottom:3px;font-size:10px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--owc-muted)}
.owc-team .owc-who{color:#c95c0a}
.owc-time{display:block;margin-top:3px;font-size:10px;text-align:right;opacity:.55}
.owc-sys,.owc-hint{margin:0;align-self:center;max-width:92%;text-align:center;font-size:12px;line-height:1.5;color:var(--owc-muted)}
.owc-hint{color:#4d565b}

/* quick questions */
.owc-chips{display:flex;flex-wrap:wrap;gap:8px;padding:16px;background:var(--owc-paper)}
.owc-chips.compact{flex-wrap:nowrap;overflow-x:auto;padding:8px 16px 10px;border-top:1px solid #e7e8e3;scrollbar-width:thin}
.owc-chip{flex:none;padding:9px 13px;background:#fff;border:1px solid var(--owc-rule);border-radius:18px;font-size:13px;line-height:1.3;color:var(--owc-ink);text-align:left}
.owc-chips:not(.compact) .owc-chip{flex:0 1 auto}
.owc-chip:hover{border-color:var(--owc-orange);color:#000}
.owc-chip.used,.owc-chip:disabled{opacity:.45;cursor:default;border-color:var(--owc-rule)}
.owc-chip:focus-visible{outline:2px solid var(--owc-orange);outline-offset:1px}

/* email card */
.owc-email{margin:0;padding:12px 16px;background:#fff6ee;border-top:1px solid #f4dcc6}
.owc-email p{margin:0 0 8px;font-size:13px;line-height:1.45}
.owc-email-row{display:flex;gap:8px}
.owc-email input{flex:1;min-width:0;height:40px;padding:0 10px;border:1px solid var(--owc-rule);border-radius:2px;font:inherit;font-size:16px;background:#fff}
.owc-email-send{height:40px;padding:0 12px;background:var(--owc-ink);color:#fff;border:0;border-radius:2px;font-size:13px;font-weight:700;white-space:nowrap}
.owc-email-skip{margin-top:6px;padding:0;background:none;border:0;font-size:12px;color:var(--owc-muted);text-decoration:underline}

/* input */
.owc-error{margin:0;padding:8px 16px;background:#fdecec;color:#9b1c1c;font-size:13px}
.owc-form{display:flex;align-items:flex-end;gap:8px;padding:12px 12px 10px 16px;border-top:1px solid var(--owc-rule);background:#fff}
.owc-input{flex:1;min-width:0;min-height:42px;max-height:132px;resize:none;padding:10px 4px;border:0;font:inherit;font-size:16px;line-height:1.4;color:var(--owc-ink);background:transparent;outline:none}
.owc-input::placeholder{color:#8b9498}
.owc-send{height:42px;padding:0 18px;background:var(--owc-orange);color:#171e22;border:0;border-radius:2px;font-size:14px;font-weight:700}
.owc-send:hover{background:#ff9440}.owc-send:disabled{opacity:.6;cursor:default}
.owc-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.owc-foot{padding:0 16px 12px;font-size:11px;line-height:1.5;color:#8b9498;background:#fff}
.owc-foot p{margin:0}.owc-foot a{color:inherit}
.owc-foot .owc-talk{display:inline-block;margin-top:4px;font-size:12px;color:var(--owc-ink);font-weight:700;text-decoration:none;border-bottom:1px solid var(--owc-orange)}

/* phones: full screen while open */
@media (max-width:560px){
  #ow-chat{right:14px;bottom:14px}
  .owc-label{display:none}.owc-label-m{display:inline}
  .owc-launch{min-height:48px;padding:0 16px 0 14px}
  .owc-teaser{bottom:60px;width:min(268px,calc(100vw - 28px))}
  .owc-panel{position:fixed;inset:0;width:auto;height:100%;height:100dvh;border:0;border-radius:0;padding-bottom:env(safe-area-inset-bottom)}
  #ow-chat.is-open .owc-launch{display:none}
  #ow-chat.owc-away:not(.is-open) .owc-launch,#ow-chat.owc-away .owc-teaser{display:none}
  html.owc-open,html.owc-open body{overflow:hidden}
  .owc-msg{max-width:90%}
}
@media (prefers-reduced-motion:reduce){#ow-chat *{animation:none!important;transition:none!important}}
@media print{#ow-chat{display:none!important}}