/* TREMBACH 229 · one welcome sphere, existing chat and guide remain authoritative. */
.tb-welcome-enabled #ambientToggle{visibility:hidden;pointer-events:none}
.tb-welcome[hidden],.tb-welcome-panel[hidden]{display:none!important}
.tb-welcome{--welcome-gold:#d9b772;--welcome-light:#f9edce;--welcome-glow:rgba(217,183,114,.24);position:relative;z-index:980}
.tb-welcome-orb{position:fixed;right:max(24px,env(safe-area-inset-right));bottom:calc(24px + env(safe-area-inset-bottom));width:112px;height:104px;z-index:982;border:0;background:none;color:var(--welcome-gold);cursor:pointer;padding:0;color-scheme:dark;transition:color .75s,filter .3s}
.tb-welcome-orb:hover{filter:brightness(1.16)}
.tb-welcome-art{position:absolute;width:78px;height:78px;top:0;left:17px;border-radius:50%;background:radial-gradient(circle,rgba(248,219,152,.28),rgba(17,13,8,.72) 48%,transparent 72%);filter:drop-shadow(0 0 15px var(--welcome-glow));animation:tb-welcome-breathe 5s ease-in-out infinite}
.tb-welcome-ring{position:absolute;inset:8%;border:1px solid currentColor;border-radius:50%;box-shadow:0 0 10px var(--welcome-glow);animation:tb-welcome-orbit 13s linear infinite}
.tb-welcome-ring.ring-1{inset:0;animation-duration:19s;animation-direction:reverse;opacity:.65}
.tb-welcome-ring.ring-2{inset:18%;animation-duration:9s;opacity:.85}
.tb-welcome-star{position:absolute;inset:0;display:grid;place-items:center;font-size:36px;text-shadow:0 0 20px var(--welcome-gold);animation:tb-welcome-turn 28s linear infinite}
.tb-welcome-label{position:absolute;bottom:0;left:0;right:0;font:10px/1.5 sans-serif;letter-spacing:.05em;white-space:nowrap;text-align:center;color:#f1dfb6;background:#100e0bf2;padding:4px 5px;border:1px solid #d9b77255;box-shadow:0 4px 20px #0008}

.tb-welcome-panel{position:fixed;right:max(24px,env(safe-area-inset-right));bottom:calc(144px + env(safe-area-inset-bottom));width:min(365px,calc(100vw - 32px));max-height:calc(100dvh - 232px - env(safe-area-inset-bottom) - env(safe-area-inset-top));overscroll-behavior:contain;overflow:auto;z-index:981;box-sizing:border-box;padding:23px;background:linear-gradient(145deg,#211b12,#090909 65%);border:1px solid #b495586b;box-shadow:0 18px 80px #0009,0 0 35px #d9b77210;color:#ecdfc4;animation:tb-welcome-reveal .6s both}
.tb-welcome-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.tb-welcome-kicker{font:9px/1.5 sans-serif;letter-spacing:.2em;color:#d9b772}
.tb-welcome-close{font-size:25px;background:none;color:#d9b772;border:0;cursor:pointer;min-width:36px;min-height:36px}
.tb-welcome-panel h2{font:normal 29px/1.12 Georgia,serif;color:#f5ebd5;margin:12px 0}
.tb-welcome-intro{font:13px/1.65 sans-serif;margin:12px 0}.tb-welcome-mode{font:10px/1.6 sans-serif;letter-spacing:.035em;color:#d9b772;border-top:1px solid #d9b77233;padding-top:12px}
.tb-welcome[data-mode=ai] .tb-welcome-mode{color:#61d9ef}
.tb-welcome-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:17px 0}
.tb-welcome-action{font:12px/1.45 sans-serif;box-sizing:border-box;min-height:44px;display:flex;align-items:center;text-align:left;text-decoration:none;color:#eeddb9;border:1px solid #b4955859;background:#d9b77208;padding:10px 12px;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.tb-welcome-action:first-child{background:#d9b772;color:#15120c}.tb-welcome-action:last-child{grid-column:1/-1}
.tb-welcome-action:hover{background:#ad89443b;border-color:#d9b772;transform:translateY(-2px)}
.tb-welcome-note{font:10px/1.55 sans-serif;color:#b5ac9b}.tb-welcome-foot{display:flex;justify-content:space-between;gap:8px;margin-top:16px}.tb-welcome-foot button{border:0;background:none;color:#d9b772;text-decoration:underline;text-underline-offset:4px;font:11px/1.6 sans-serif;padding:6px 0;cursor:pointer}
.tb-welcome button:focus-visible,.tb-welcome a:focus-visible{outline:2px solid #f4d895;outline-offset:5px}
.ai-guide-warming .tb-welcome,.ai-guide-working .tb-welcome{--welcome-gold:#ed3b30;--welcome-glow:#ed3b304d}
.tb-welcome.is-paused *,.tb-welcome.is-quiet *{animation-play-state:paused!important}.tb-welcome.is-quiet .tb-welcome-orb{transition:none}
@keyframes tb-welcome-orbit{0%{transform:rotate(-30deg) rotateY(65deg) rotateZ(0)}100%{transform:rotate(330deg) rotateY(65deg) rotateZ(360deg)}}
@keyframes tb-welcome-turn{to{transform:rotate(360deg)}}
@keyframes tb-welcome-breathe{50%{filter:drop-shadow(0 0 28px var(--welcome-glow));opacity:.78}}
@keyframes tb-welcome-reveal{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:999px){.tb-welcome-orb{right:max(16px,env(safe-area-inset-right));bottom:calc(16px + env(safe-area-inset-bottom));width:108px;height:96px}.tb-welcome-art{width:70px;height:70px;left:19px}.tb-welcome-panel{right:max(16px,env(safe-area-inset-right));bottom:calc(128px + env(safe-area-inset-bottom));max-height:calc(100dvh - 216px - env(safe-area-inset-bottom) - env(safe-area-inset-top));padding:19px}.tb-welcome-panel h2{font-size:26px}}
@media(prefers-reduced-motion:reduce){.tb-welcome *{animation:none!important;transition:none!important}}

/* Shared AI identity: preserve the original button and its chat events. */
.aisha-orb.tb-ai-launcher{--welcome-gold:#d9b772;--welcome-glow:rgba(217,183,114,.24);display:block;width:112px;height:104px;padding:0;border:0;border-radius:0;background:none;box-shadow:none;right:max(24px,env(safe-area-inset-right));bottom:calc(24px + env(safe-area-inset-bottom));color:var(--welcome-gold)}
.aisha-orb.tb-ai-launcher .tb-welcome-art{width:78px;height:78px;left:17px;top:0}.aisha-orb.tb-ai-launcher .tb-welcome-star{font-size:36px}
.aisha-orb.tb-ai-launcher[hidden]{display:none!important}
body:has(.floating-cart) .aisha-orb.tb-ai-launcher{bottom:calc(100px + env(safe-area-inset-bottom))}
.ash-mark.tb-ai-mark,#studioChatHost .ash-mark.tb-ai-mark{--welcome-gold:#d9b772;--welcome-glow:rgba(217,183,114,.24);position:relative;display:block;flex-shrink:0;width:44px;height:44px;padding:0;background:none;border:0;border-radius:0;color:var(--welcome-gold)}
.ash-mark.tb-ai-mark::after,#studioChatHost .ash-mark.tb-ai-mark::after{display:none;content:none}
.ash-mark.tb-ai-mark .tb-welcome-art{inset:0;width:100%;height:100%}.ash-mark.tb-ai-mark .tb-welcome-star{font-size:24px}
.ai-guide-warming .tb-ai-launcher,.ai-guide-working .tb-ai-launcher,.ai-guide-working .tb-ai-mark{--welcome-gold:#ed3b30;--welcome-glow:#ed3b304d}
@media(max-width:999px){.aisha-orb.tb-ai-launcher{width:108px;height:96px;right:max(16px,env(safe-area-inset-right));bottom:calc(16px + env(safe-area-inset-bottom))}.aisha-orb.tb-ai-launcher .tb-welcome-art{width:70px;height:70px;left:19px}}
@media(prefers-reduced-motion:reduce){.tb-ai-launcher *,.tb-ai-mark *{animation:none!important;transition:none!important}}