.c4m-orch-widget{position:fixed;right:24px;bottom:24px;z-index:999999;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.c4m-orch-fab{width:64px;height:64px;border-radius:50%;border:0;cursor:pointer;box-shadow:0 20px 45px rgba(0,0,0,.24);background:linear-gradient(180deg,#ffffff,#eef3f8);position:absolute;right:0;bottom:0;transition:transform .18s ease, box-shadow .18s ease}
.c4m-orch-fab:hover{transform:translateY(-1px);box-shadow:0 24px 52px rgba(0,0,0,.28)}
.c4m-orch-fab:before{content:'AI';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:16px;letter-spacing:.04em;color:#0f172a}
.c4m-orch-panel{width:410px;max-width:calc(100vw - 32px);height:670px;max-height:calc(100vh - 120px);border-radius:26px;overflow:hidden;display:none;box-shadow:0 30px 90px rgba(0,0,0,.28);background:#ffffff;border:1px solid rgba(15,23,42,.08);backdrop-filter:blur(8px)}
.c4m-orch-widget.is-open .c4m-orch-panel{display:block;margin-bottom:82px}
.c4m-orch-head{display:flex;gap:14px;padding:20px 20px 18px;background:linear-gradient(135deg,#0f172a,#1f2937);color:#fff}
.c4m-orch-avatar{width:48px;height:48px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#ffffff,#dbe3ec 65%,#b9c8d7);box-shadow:0 8px 18px rgba(0,0,0,.24)}
.c4m-orch-title{font-size:17px;font-weight:800;line-height:1.25}
.c4m-orch-subtitle{font-size:13px;opacity:.86;margin-top:4px;line-height:1.35}
.c4m-orch-messages{padding:16px 18px;height:350px;overflow:auto;color:#111;background:
linear-gradient(180deg,#fbfdff 0%,#ffffff 100%)}
.c4m-orch-messages::-webkit-scrollbar{width:8px}
.c4m-orch-messages::-webkit-scrollbar-thumb{background:#d3dce7;border-radius:999px}
.c4m-orch-msg{margin:10px 0;display:flex}
.c4m-orch-msg.ai{justify-content:flex-start}
.c4m-orch-msg.user{justify-content:flex-end}
.c4m-orch-bubble{max-width:84%;padding:12px 14px;border-radius:18px;font-size:14px;line-height:1.48;white-space:pre-wrap;word-break:break-word}
.c4m-orch-msg.ai .c4m-orch-bubble{background:#f3f6fa;border:1px solid rgba(15,23,42,.06);color:#111827;border-top-left-radius:8px}
.c4m-orch-msg.user .c4m-orch-bubble{background:#111827;color:#fff;border:1px solid rgba(15,23,42,.08);border-top-right-radius:8px}
.c4m-orch-row{display:flex;gap:10px;padding:14px 18px 16px;background:#fff}
.c4m-orch-input{flex:1;border-radius:16px;border:1px solid #d7dee8;background:#fff;color:#0f172a;padding:13px 15px;outline:none;font-size:14px;box-shadow:inset 0 1px 0 rgba(255,255,255,.85)}
.c4m-orch-input:focus{border-color:#94a3b8;box-shadow:0 0 0 4px rgba(148,163,184,.16)}
.c4m-orch-input::placeholder{color:#94a3b8}
.c4m-orch-send{border:0;border-radius:16px;padding:13px 18px;cursor:pointer;background:#16a34a;color:#fff;font-weight:800;transition:filter .18s ease}
.c4m-orch-send:hover,.c4m-orch-upload:hover,.c4m-orch-paybtn:hover{filter:brightness(.96)}
.c4m-orch-divider{height:1px;background:#eef2f7;margin:0 18px}
.c4m-orch-paybox{padding:16px 18px 18px;background:#fff;color:#0f172a}
.c4m-orch-paytitle{font-size:14px;font-weight:800;margin-bottom:10px}
.c4m-orch-payrow{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.c4m-orch-paybtn{display:inline-block;padding:12px 15px;border-radius:16px;background:#0f172a;color:#fff;text-decoration:none;font-weight:800}
.c4m-orch-file{display:inline-flex;align-items:center;gap:8px;padding:12px 13px;border-radius:16px;border:1px dashed #cbd5e1;cursor:pointer;background:#fff}
.c4m-orch-fileinput{display:none}
.c4m-orch-upload{border:0;border-radius:16px;padding:12px 15px;cursor:pointer;background:#16a34a;color:#fff;font-weight:800}
.c4m-orch-hint{font-size:12px;color:#64748b;margin-top:10px;line-height:1.45}
.c4m-orch-status{font-size:12px;color:#64748b;margin-top:8px}
@media (max-width:420px){
  .c4m-orch-widget{right:12px;bottom:12px}
  .c4m-orch-panel{width:calc(100vw - 24px);max-width:calc(100vw - 24px);height:calc(100vh - 100px);border-radius:22px}
  .c4m-orch-widget.is-open .c4m-orch-panel{margin-bottom:74px}
}