.mex-chat{--chat-surface:#141419;--chat-raised:#22212a;--chat-text:#f7f7f9;--chat-muted:#b8b5c6;--chat-border:#3a3845;position:fixed;left:24px;bottom:24px;z-index:80;color:var(--chat-text);font-family:var(--font);font-size:14px;line-height:1.55;color-scheme:dark}
.mex-chat [hidden]{display:none!important}.mex-chat button{cursor:pointer}.mex-chat button:disabled{cursor:wait;opacity:.6}.mex-chat :focus-visible{outline:2px solid var(--lime);outline-offset:4px}.mex-chat ::selection{background:var(--lime);color:#151713}.mex-chat input,.mex-chat textarea{caret-color:var(--lime)}
.chat-launch{display:flex;align-items:center;gap:10px;min-height:52px;padding:12px 18px;border:1px solid var(--chat-border);border-radius:100px;background:var(--chat-surface);color:var(--chat-text);box-shadow:0 8px 24px #0005;font-weight:700}.chat-launch svg{width:22px;height:22px;color:var(--lime)}
.chat-window{position:absolute;bottom:68px;left:0;width:420px;height:min(690px,calc(100dvh - 124px));display:flex;flex-direction:column;background:var(--chat-surface);border:1px solid var(--chat-border);border-radius:20px;box-shadow:0 18px 60px #0008;overflow:hidden;animation:chat-enter .22s ease-out}
.chat-header{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--chat-border);flex-shrink:0}.chat-mark{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--chat-border);border-radius:12px;color:var(--lime)}.chat-mark svg{width:25px;height:25px}.chat-header strong{display:block;font-family:var(--display);font-size:18px;letter-spacing:-.02em}.chat-header p{font-size:11px;color:var(--chat-muted);margin:2px 0 0}.chat-icon-button{display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;border:1px solid var(--chat-border);border-radius:50%;color:var(--chat-text)}.chat-close{margin-left:auto}.chat-icon-button svg{width:20px;height:20px}
.chat-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--chat-border) transparent;padding:24px 20px}.chat-welcome h2,.chat-lead-title{font:500 30px/1.13 var(--display);letter-spacing:-.035em;margin:0 0 16px;text-wrap:balance}.chat-welcome>p{font-size:14px;color:var(--chat-muted);margin:0 0 20px}.chat-topics{display:grid;gap:8px;margin:20px 0}.chat-topic{display:flex;text-align:left;align-items:center;justify-content:space-between;gap:12px;min-height:47px;width:100%;padding:10px 12px;border:1px solid var(--chat-border);border-radius:8px;font-size:13px}.chat-topic:hover{background:var(--chat-raised)}.chat-topic svg{width:18px;height:18px;flex-shrink:0;color:var(--lime)}
.chat-disclosure{font-size:11px;color:var(--chat-muted);margin:18px 0 0}.chat-start{margin-top:18px;width:100%}.chat-message{margin:0 0 19px;overflow-wrap:anywhere;white-space:pre-wrap}.chat-message strong{display:block;font-size:10px;letter-spacing:.05em;margin-bottom:7px;color:var(--chat-muted)}.chat-message p{font-size:14px;line-height:1.65;margin:0}.chat-message--user{background:var(--chat-raised);padding:12px 14px;border-radius:12px;margin-left:24px}.chat-message--assistant{padding-right:12px}.chat-status{font-size:12px;color:var(--chat-muted);margin:8px 0;min-height:18px}.chat-status[data-error=true]{color:#ffd5b7}.chat-retry{min-height:44px;text-decoration:underline;text-underline-offset:4px;color:var(--lime)}
.chat-controls{border-top:1px solid var(--chat-border);padding:14px 18px 16px;flex-shrink:0}.chat-compose{display:flex;align-items:flex-end;gap:8px;border:1px solid var(--chat-border);border-radius:12px;padding:9px}.chat-compose textarea{width:100%;min-height:48px;max-height:96px;resize:vertical;border:0;padding:6px;background:transparent;color:var(--chat-text);font:inherit;font-size:14px}.chat-compose textarea::placeholder{color:var(--chat-muted)}.chat-send{background:var(--lime);color:#151713;border:0;border-radius:8px}.chat-bottom{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-top:10px}.chat-contact-button,.chat-back{font-size:12px;color:var(--lime);min-height:44px;text-align:left}.chat-reset{font-size:11px;color:var(--chat-muted);min-height:44px;text-align:right}.chat-notice{font-size:10px;color:var(--chat-muted);line-height:1.5;margin:0}
.chat-primary{min-height:48px;padding:12px 18px;border-radius:100px;background:var(--lime);color:#171a11;font-weight:700;font-size:13px;border:0}.chat-lead-intro{font-size:13px;color:var(--chat-muted);margin:0 0 20px}.chat-enquiry fieldset{border:0;padding:0;margin:0;min-width:0}.chat-enquiry label:not(.chat-attach){display:block;font-size:12px;margin:14px 0 6px;color:var(--chat-text)}.chat-enquiry input:not([type=checkbox]),.chat-enquiry select,.chat-enquiry textarea{width:100%;padding:11px 12px;border:1px solid var(--chat-border);border-radius:8px;background:#19191f;color:var(--chat-text);font:inherit;font-size:16px;min-height:46px}.chat-enquiry textarea{min-height:112px;resize:vertical;max-height:240px}.chat-enquiry .contact-trap{position:absolute;left:-10000px}.chat-enquiry .chat-primary{width:100%;margin-top:18px}.chat-attach{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:12px}.chat-attach input{width:18px;height:18px;accent-color:var(--lime);flex-shrink:0;margin-top:2px}.chat-enquiry-note{font-size:11px;color:var(--chat-muted);margin-top:12px}.chat-sent{color:var(--lime);font-size:16px;padding:20px 0}.chat-back{display:block;margin-bottom:10px}.chat-reference{font-size:10px;color:var(--chat-muted);overflow-wrap:anywhere}
body.menu-open .mex-chat{visibility:hidden}@keyframes chat-enter{from{opacity:.6;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.chat-compare,.chat-download{display:block;min-height:44px;color:var(--lime);font-size:12px;text-decoration:underline;text-underline-offset:4px}.chat-plan-toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--chat-border);background:var(--chat-raised);border-radius:8px;min-height:44px;width:100%;padding:10px 13px;margin-bottom:10px;font-size:12px;color:var(--lime);text-align:left}.chat-plan-toggle:after{content:'';width:8px;height:8px;border-top:1.8px solid currentColor;border-right:1.8px solid currentColor;transform:rotate(45deg)}
.chat-preview-note{font-size:10px;color:var(--lime);padding:7px 18px;border-bottom:1px solid var(--chat-border);margin:0;flex-shrink:0}
.chat-window.is-project{width:min(820px,calc(100vw - 48px))}.chat-window.is-project .chat-scroll{padding:24px 28px}.chat-plan-columns{display:grid;grid-template-columns:1fr 1.18fr;gap:36px;border-top:1px solid var(--chat-border);margin:12px 0 20px}.chat-plan-columns p{font-size:13px;line-height:1.65;margin:0}.chat-plan-columns .chat-plan-steps p{font-size:12px}.chat-plan-columns>div>h3:first-child{margin-top:20px}.chat-window.is-project .chat-plan-title{max-width:650px}.chat-window.is-project .chat-plan-note{max-width:600px}
.chat-plan-title{font:500 31px/1.13 var(--display);letter-spacing:-.035em;text-wrap:balance;margin:4px 0 14px}.chat-plan-note{color:var(--chat-muted);font-size:11px;margin-bottom:20px}.chat-plan-service{display:inline-block;border:1px solid var(--chat-border);border-radius:100px;color:var(--lime);padding:5px 12px;font-size:12px;margin:0 0 10px}.chat-plan-view h3{font-size:13px;margin:24px 0 8px}.chat-plan-view>p:not(.chat-plan-note):not(.chat-plan-service){font-size:14px;line-height:1.65}.chat-plan-steps{list-style:none;padding:0;margin:0 0 24px;counter-reset:plan}.chat-plan-steps li{padding:4px 0 22px 30px;position:relative;counter-increment:plan}.chat-plan-steps li:before{content:counter(plan);position:absolute;left:0;top:3px;width:20px;height:20px;display:grid;place-items:center;font-size:10px;border:1px solid var(--chat-border);border-radius:50%;color:var(--lime);background:var(--chat-surface);z-index:1}.chat-plan-steps li:not(:last-child):after{content:'';position:absolute;left:9px;top:24px;bottom:0;width:1px;background:var(--chat-border)}.chat-plan-steps strong{display:block;font-weight:600;font-size:14px}.chat-plan-steps p{color:var(--chat-muted);font-size:12px;line-height:1.6;margin:6px 0 0}.chat-plan-missing{padding-left:18px;font-size:12px;color:var(--chat-muted);margin-bottom:24px}.chat-plan-missing li{margin:8px 0}.chat-plan-view>.chat-primary{width:100%}.chat-download{margin:10px auto 0}
@media(min-width:1351px){.mex-chat{left:max(24px,calc((100vw - 2400px)/2 + 24px))}}
@media(max-width:640px){.mex-chat{left:16px;bottom:max(16px,env(safe-area-inset-bottom))}.chat-launch{padding:10px 14px;min-height:52px;gap:7px;font-size:12px}.chat-window{position:fixed;left:10px;right:10px;top:10px;bottom:auto;width:auto;height:calc(var(--chat-viewport-height,100dvh) - 20px);max-height:calc(100dvh - 20px);border-radius:16px}.chat-header{padding:14px 16px}.chat-scroll{padding:22px 18px}.chat-controls{padding:10px 14px max(12px,env(safe-area-inset-bottom))}.chat-notice{font-size:10px}.chat-compose textarea{font-size:16px}.chat-welcome h2{font-size:32px}.chat-message p{font-size:14px}}
@media(prefers-reduced-motion:reduce){.chat-window{animation:none}}
@media(max-width:640px){.chat-window.is-project{width:auto}.chat-window.is-project .chat-scroll{padding:22px 18px}.chat-plan-columns{grid-template-columns:1fr;gap:0}.chat-plan-columns>div:first-child h3:first-child{margin-top:16px}.chat-plan-view .chat-back{margin-bottom:4px}}

/* The opening is part of the conversation; the composer stays available. */
.chat-welcome h2{font-size:23px;line-height:1.2;margin-bottom:10px}.chat-welcome>p{font-size:13px;margin-bottom:14px}.chat-topics{grid-template-columns:1fr 1fr;gap:8px;margin:16px 0 8px}.chat-topic{font-size:12px;min-height:46px;gap:6px;padding:10px}.chat-topic span{display:none}.chat-welcome .chat-disclosure{font-size:10px;line-height:1.5;margin:10px 0 0}.chat-welcome .chat-compare{margin-top:4px}.chat-status:empty{display:none}@media(max-width:640px){.chat-welcome h2{font-size:23px}.chat-scroll{padding-top:18px}}

.chat-sound{margin-left:auto}.chat-sound+.chat-close{margin-left:0}.chat-sound[aria-pressed="false"]{color:var(--chat-muted)}.chat-scroll{overflow-anchor:none}@media(max-width:640px){.chat-header{gap:8px}.chat-mark{width:32px;height:36px;flex-shrink:0}.chat-mark svg{width:22px;height:22px}.chat-header strong{font-size:16px}.chat-header p{font-size:10px}.chat-header>div{min-width:0}.chat-header .chat-icon-button{width:40px;height:44px}}

/* Compact assistant control in the existing dark/lime palette. */
.chat-launch{min-height:54px;min-width:148px;padding:13px 20px;gap:12px;background:#19191f;color:var(--chat-text);border:1px solid #a6bc62;border-radius:15px;box-shadow:0 6px 22px #0005;font-size:15px;line-height:1.25;transition:background .18s ease,border-color .18s ease}.chat-launch>svg{width:24px;height:24px;color:var(--lime);flex-shrink:0}.chat-launch>span{display:block}.chat-launch:hover{background:#24272a;border-color:var(--lime)}.chat-launch[aria-expanded="true"]{visibility:hidden}.chat-window{bottom:72px}@media(max-width:640px){.mex-chat{bottom:calc(88px + env(safe-area-inset-bottom,0px))}.chat-launch{min-height:52px;min-width:142px;padding:12px 18px;gap:11px;font-size:14px}.chat-launch>svg{width:23px;height:23px}.chat-window{bottom:auto}}@media(prefers-reduced-motion:reduce){.chat-launch{transition:none}}

/* Mobile actions share a single quiet bottom bar, below the reading area. */
@media(max-width:640px){
  body::after{content:'';position:fixed;left:0;right:0;bottom:0;height:calc(74px + env(safe-area-inset-bottom,0px));z-index:49;background:#101014;border-top:1px solid #34333d;pointer-events:none}
  .mex-chat{left:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));width:calc((100% - 36px)/2)}
  .chat-launch{width:100%;min-width:0;height:50px;min-height:50px;justify-content:center;padding:12px;gap:9px;border:1px solid #687740;border-radius:11px;background:#20251b;color:var(--lime);box-shadow:none;font-size:14px}
  .chat-launch>svg{width:21px;height:21px}
  .contact-float{left:auto;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));width:calc((100% - 36px)/2);height:50px;min-height:50px;justify-content:center;padding:12px;gap:9px;border:1px solid #3a3845;border-radius:11px;background:#1b1b22;color:#f7f7f9;box-shadow:none;font-size:14px}
  .contact-float .contact-spark{display:none}.contact-float>span:last-child svg{width:17px;height:17px}
  body.menu-open::after,body:has(.contact-panel.is-open)::after,body:has(.chat-window:not([hidden]))::after{display:none}
  body:has(.contact-panel.is-open) .chat-launch,body:has(.chat-window:not([hidden])) .contact-float{visibility:hidden}
  .footer{padding-bottom:calc(100px + env(safe-area-inset-bottom,0px))}
}

/* Follow both size and offset of Safari's visual viewport while the keyboard is open. */
@media(max-width:640px){
 .chat-window,.chat-window.is-project{top:calc(var(--chat-viewport-top,0px) + 8px);left:calc(var(--chat-viewport-left,0px) + 8px);right:auto;bottom:auto;width:calc(var(--chat-viewport-width,100vw) - 16px);height:calc(var(--chat-viewport-height,100dvh) - 16px);max-height:none;min-height:0}
 .chat-compose{min-width:0}.chat-compose textarea{min-width:0;font-size:16px;resize:none}
 .chat-compose:focus-within{border-color:var(--lime)}.chat-compose textarea:focus-visible{outline:none}
 .chat-window.is-keyboard .chat-header{padding:8px 12px}
 .chat-window.is-keyboard .chat-controls{padding:8px 12px}
 .chat-window.is-keyboard .chat-bottom,.chat-window.is-keyboard .chat-notice,.chat-window.is-keyboard .chat-plan-toggle,.chat-window.is-keyboard .chat-preview-note{display:none}
 .chat-window.is-keyboard .chat-compose textarea{height:44px;min-height:44px;max-height:80px}
 .chat-window.is-keyboard .chat-scroll{padding:14px 16px}
}