.tba-widget{position:fixed;right:20px;bottom:20px;z-index:999999;font-family:Inter,Arial,sans-serif}
.tba-launcher{width:60px;height:60px;border:none;border-radius:999px;background:linear-gradient(135deg,#0b57d0,#2563eb);color:#fff;font-size:25px;cursor:pointer;box-shadow:0 14px 30px rgba(37,99,235,.35)}
.tba-panel{width:380px;max-width:calc(100vw - 24px);height:520px;max-height:80vh;display:flex;flex-direction:column;background:#fff;border-radius:20px;box-shadow:0 20px 60px rgba(2,6,23,.22);overflow:hidden;margin-bottom:14px;border:1px solid rgba(148,163,184,.18);position:fixed;right:20px;bottom:88px;transition:height .18s ease,width .18s ease,max-height .18s ease,box-shadow .18s ease}
.tba-panel.tba-expanded{width:min(460px,calc(100vw - 24px));max-height:86vh}
.tba-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:linear-gradient(135deg,#0b57d0,#1d4ed8);color:#fff;user-select:none}
.tba-header-main{display:flex;flex-direction:column;gap:0;min-width:0}
.tba-header-title{font-weight:700;font-size:15px;line-height:1.2}
.tba-header-actions{display:flex;align-items:center;gap:8px}
.tba-expand-toggle,.tba-close{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;cursor:pointer}
.tba-expand-toggle{width:34px;height:34px;border-radius:999px;font-size:16px;line-height:1}
.tba-close{width:34px;height:34px;border-radius:999px;font-size:22px;line-height:1}
.tba-messages{flex:1;overflow:auto;padding:16px;background:linear-gradient(180deg,#f8fbff 0%,#f5f7fb 100%)}
.tba-message{max-width:88%;padding:12px 14px;border-radius:16px;margin-bottom:12px;line-height:1.5;white-space:pre-wrap;box-shadow:0 4px 14px rgba(15,23,42,.04)}
.tba-bot{background:#fff;border:1px solid #e5e7eb}
.tba-user{background:linear-gradient(135deg,#0b57d0,#2563eb);color:#fff;margin-left:auto}
.tba-form,.tba-lead{padding:14px;border-top:1px solid #e5e7eb;background:#fff}
.tba-form{display:flex;flex-direction:column;gap:10px}
.tba-input,.tba-lead input{width:100%;border:1px solid #d1d5db;border-radius:14px;padding:12px 14px;box-sizing:border-box;margin:0;background:#fff;transition:border-color .2s,box-shadow .2s}
.tba-input{min-height:54px;max-height:140px;resize:none;line-height:1.45}
.tba-input:focus,.tba-lead input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.tba-send,.tba-lead button{width:100%;border:none;border-radius:14px;padding:12px 16px;background:#111827;color:#fff;cursor:pointer;font-weight:600}
.tba-send:hover,.tba-lead button:hover{background:#0f172a}
.tba-message .tba-links{margin-top:12px;padding-top:10px;border-top:1px solid #e5e7eb;display:flex;flex-direction:column;gap:10px}
.tba-message .tba-links-label{font-size:12px;font-weight:700;color:#374151;text-transform:uppercase;letter-spacing:.04em}
.tba-link-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:10px 12px;border:1px solid #e5e7eb;border-radius:12px;background:#f8fafc}
.tba-link-title{font-size:13px;line-height:1.45;color:#111827;flex:1 1 180px}
.tba-message .tba-links a,.tba-message-text a{font-size:13px;line-height:1.4;word-break:break-word;color:#2563eb;text-decoration:none;font-weight:600}
.tba-message .tba-links a:hover,.tba-message-text a:hover{text-decoration:underline}
.tba-message-text{white-space:normal}
.tba-message-text div{margin:0 0 7px}
.tba-message-text br{line-height:1.2}
.tba-lead{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tba-lead input[name="destination"],.tba-lead button{grid-column:1/-1}
@media(max-width:767px){
.tba-widget{right:12px;left:12px;bottom:12px}
.tba-panel{right:12px;left:12px;bottom:84px;width:auto;height:70vh;max-height:85vh;border-radius:18px}
.tba-panel.tba-expanded{width:auto;max-height:90vh;height:85vh}
.tba-message{max-width:92%}
}