.svh-bubble{position:fixed;right:16px;bottom:16px;z-index:1080;display:flex;align-items:center;gap:8px;padding:12px 18px;border:0;border-radius:999px;background:var(--sv-accent,#a89b8b);color:#fff;font:600 15px/1 system-ui,sans-serif;box-shadow:0 6px 20px rgba(16,24,40,.25);cursor:pointer}
.svh-bubble:focus-visible,.svh-btn:focus-visible,.svh-chip:focus-visible{outline:3px solid #d99a2b;outline-offset:2px}
.svh-panel{position:fixed;right:16px;bottom:16px;z-index:1081;width:360px;max-width:calc(100vw - 32px);height:520px;max-height:calc(100vh - 32px);display:none;flex-direction:column;background:#fff;color:#101828;border-radius:16px;box-shadow:0 12px 40px rgba(16,24,40,.3);overflow:hidden;font:15px/1.45 system-ui,sans-serif}
.svh-panel.is-open{display:flex}
.svh-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px;background:var(--sv-accent,#a89b8b);color:#fff}
.svh-title{font-weight:700}
.svh-sub{font-size:12px;opacity:.9}
.svh-x{background:transparent;border:0;color:#fff;font-size:22px;line-height:1;cursor:pointer}
.svh-log{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px;background:#faf9f7}
.svh-msg{max-width:85%;padding:9px 12px;border-radius:14px;white-space:pre-wrap;word-wrap:break-word}
.svh-msg.bot{align-self:flex-start;background:#fff;border:1px solid #e4e7ee}
.svh-msg.agent{align-self:flex-start;background:#efece7;border:1px solid #e0dbd3}
.svh-msg.me{align-self:flex-end;background:var(--sv-accent,#a89b8b);color:#fff}
.svh-who{font-size:11px;color:#667085;margin:0 0 2px 4px;align-self:flex-start}
.svh-typing{align-self:flex-start;color:#667085;font-size:13px;padding:4px 8px}
.svh-chips{display:flex;flex-wrap:wrap;gap:6px}
.svh-chip{border:1px solid #e0dbd3;background:#fff;color:#6f6356;border-radius:999px;padding:6px 12px;font-size:13px;cursor:pointer}
.svh-link{display:inline-block;margin-top:6px;padding:6px 12px;border-radius:8px;background:#efece7;color:#6f6356;text-decoration:none;font-weight:600;font-size:14px}
.svh-foot{border-top:1px solid #e4e7ee;padding:8px 10px;background:#fff}
.svh-row{display:flex;gap:6px}
.svh-input{flex:1;min-width:0;border:1px solid #d0d5dd;border-radius:10px;padding:10px;font:inherit;font-size:16px}
.svh-btn{border:0;border-radius:10px;padding:0 14px;background:var(--sv-accent,#a89b8b);color:#fff;font-weight:600;cursor:pointer}
.svh-btn.ghost{background:#eef2f7;color:#344054}
.svh-note{font-size:11px;color:#667085;margin:6px 2px 0}
.svh-human{font-size:13px;margin-top:6px}
.svh-human button{background:none;border:0;color:#6f6356;text-decoration:underline;cursor:pointer;padding:0;font:inherit}
@media (max-width:480px){.svh-panel{right:0;bottom:0;width:100vw;max-width:100vw;height:100vh;max-height:100vh;border-radius:0}}

/* Premium AI look: frosted light bubble, sparkle mark, soft glow */
.svh-bubble{background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,#c9bfb2,#a89b8b 55%,#d5d0c9) border-box;border:2px solid transparent;color:#1f2933;padding:9px 18px 9px 10px;box-shadow:0 10px 30px rgba(168,155,139,.28),0 2px 6px rgba(16,24,40,.08);font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-weight:700;letter-spacing:-.01em;transition:transform .3s cubic-bezier(.22,.8,.24,1),box-shadow .3s}
.svh-bubble::before{content:"\2726";display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#c9bfb2,#a89b8b);color:#fff;font-size:15px;animation:svhPulse 3.2s ease-in-out infinite}
.svh-bubble:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(168,155,139,.36),0 2px 6px rgba(16,24,40,.08)}
@keyframes svhPulse{0%,100%{box-shadow:0 0 0 0 rgba(168,155,139,.45)}60%{box-shadow:0 0 0 9px rgba(168,155,139,0)}}
.svh-panel{border-radius:20px;border:1px solid #e6e0d8;box-shadow:0 24px 60px rgba(60,50,40,.22);animation:svhIn .35s cubic-bezier(.22,.8,.24,1)}
@keyframes svhIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.svh-head{background:linear-gradient(135deg,#f5f3f0,#e6e5e2);color:#1f2933;border-bottom:1px solid #e6e0d8;padding:14px 16px}
.svh-title::before{content:"\2726 ";color:#a89b8b}
.svh-title{font-family:'Plus Jakarta Sans',system-ui,sans-serif;letter-spacing:-.01em}
.svh-sub{opacity:.7}
.svh-x{color:#1f2933}
.svh-msg{border-radius:16px;box-shadow:0 1px 2px rgba(16,24,40,.05)}
.svh-msg.me{background:linear-gradient(135deg,#c9bfb2,#a89b8b);color:#1c1917}
.svh-btn{color:#1c1917;border-radius:12px}
.svh-input:focus{outline:0;border-color:#a89b8b;box-shadow:0 0 0 3px rgba(168,155,139,.2)}
@media (prefers-reduced-motion:reduce){.svh-bubble::before,.svh-panel{animation:none}}
/* Blue accent + smaller radii */
.svh-bubble{border-radius:8px;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,#7f9cf0,#4169e1 55%,#c9d6f7) border-box;box-shadow:0 10px 26px rgba(65,105,225,.25),0 2px 6px rgba(16,24,40,.08)}
.svh-bubble::before{border-radius:6px;background:linear-gradient(135deg,#7f9cf0,#4169e1)}
.svh-panel{border-radius:10px}
.svh-head{background:linear-gradient(135deg,#f5f3f0,#e6ecfb)}
.svh-title::before{color:#4169e1}
.svh-msg{border-radius:8px}
.svh-msg.me,.svh-btn{background:#4169e1;color:#fff;border-radius:6px}
.svh-input{border-radius:6px}
.svh-input:focus{border-color:#4169e1;box-shadow:0 0 0 3px rgba(65,105,225,.2)}
@keyframes svhPulse{0%,100%{box-shadow:0 0 0 0 rgba(65,105,225,.45)}60%{box-shadow:0 0 0 9px rgba(65,105,225,0)}}