.zslc-widget{position:fixed;z-index:999999;bottom:var(--zslc-desktop-bottom);font-family:Arial,sans-serif}.zslc-right{right:var(--zslc-desktop-side)}.zslc-left{left:var(--zslc-desktop-side)}.zslc-toggle{border:0;background:var(--zslc-primary);color:#fff;border-radius:999px;padding:13px 20px;font-weight:700;box-shadow:0 10px 28px rgba(0,0,0,.18);cursor:pointer;display:flex;gap:9px;align-items:center;position:relative}.zslc-toggle .zslc-dot{position:absolute;right:2px;top:0;width:12px;height:12px;background:#ef4444;border:2px solid #fff;border-radius:50%}.zslc-panel{display:none;position:absolute;bottom:62px;width:var(--zslc-panel-width);max-width:calc(100vw - 24px);background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 18px 55px rgba(0,0,0,.25);border:1px solid #eee}.zslc-panel.is-open{display:block}.zslc-right .zslc-panel{right:0}.zslc-left .zslc-panel{left:0}.zslc-header{background:var(--zslc-primary);color:#fff;padding:18px 20px;display:flex;justify-content:space-between;align-items:center}.zslc-header strong{font-size:19px;display:block}.zslc-header small{display:block;margin-top:6px;opacity:.9}.zslc-close{background:transparent;border:0;color:#fff;font-size:30px;line-height:1;cursor:pointer}.zslc-body{padding:14px;max-height:560px;overflow:auto;background:#f8f8f8}.zslc-message{border:1px solid #e1e1e1;background:#fff;border-radius:14px;padding:11px 13px;margin:0 0 10px;max-width:86%;word-break:break-word}.zslc-message strong{display:block;color:#777;font-size:12px;margin-bottom:5px}.zslc-message span{display:block;color:#333;white-space:pre-wrap}.zslc-message small{display:block;color:#999;font-size:11px;margin-top:7px}.zslc-message.customer{margin-left:auto;background:#efe9ff;border-color:#cdbdff}.zslc-message.agent{margin-right:auto;background:#fff}.zslc-message.bot{max-width:100%;background:#fff}.zslc-info-form input,.zslc-chat-form textarea{width:100%;box-sizing:border-box;border:1px solid #d6d6d6;border-radius:12px;padding:12px;margin-bottom:10px;font-size:14px;background:#fff}.zslc-info-form button,.zslc-chat-form button{width:100%;border:0;background:var(--zslc-primary);color:#fff;border-radius:12px;padding:13px 16px;font-weight:700;cursor:pointer}.zslc-chat-form textarea{min-height:88px}.zslc-response{font-size:12px;color:#666;margin-top:7px;text-align:center}.zslc-whatsapp{display:block;text-align:center;margin-top:10px;background:#25D366;color:#fff!important;text-decoration:none;border-radius:12px;padding:12px;font-weight:700}.zslc-mobile-only{display:none}@media(max-width:767px){.zslc-widget{bottom:var(--zslc-mobile-bottom)}.zslc-right{right:var(--zslc-mobile-side)}.zslc-left{left:var(--zslc-mobile-side)}.zslc-mobile-only{display:block}.zslc-panel{width:calc(100vw - 24px);bottom:58px}.zslc-mobile-full{left:var(--zslc-mobile-side)!important;right:var(--zslc-mobile-side)!important}.zslc-mobile-full .zslc-toggle{width:100%;justify-content:center}.zslc-mobile-compact .zslc-toggle{width:auto}.zslc-body{max-height:70vh}.zslc-header{padding:15px 16px}}@media(min-width:768px){.zslc-mobile-only{display:none!important}}


/* v3.2 fixed composer UX */
.zslc-panel{max-height:calc(100vh - 96px);}
.zslc-panel.is-open{display:flex;flex-direction:column;}
.zslc-header{flex:0 0 auto;}
.zslc-body{display:flex;flex-direction:column;gap:10px;overflow:hidden;max-height:none;height:min(620px, calc(100vh - 172px));}
.zslc-transcript{flex:1 1 auto;min-height:120px;overflow:auto;padding:0 2px 2px 0;scroll-behavior:smooth;}
.zslc-chat-form,.zslc-info-form,.zslc-whatsapp{flex:0 0 auto;}
.zslc-chat-form{background:#f8f8f8;border-top:1px solid #e5e7eb;padding-top:10px;margin-top:0;}
.zslc-chat-form textarea{min-height:74px;max-height:130px;resize:vertical;margin-bottom:10px;}
.zslc-chat-form button{margin-bottom:0;}
@media(max-width:767px){
  .zslc-panel{max-height:calc(100vh - 82px);}
  .zslc-body{height:calc(100vh - 150px);max-height:none;padding:12px;}
  .zslc-transcript{min-height:0;}
  .zslc-chat-form{position:sticky;bottom:0;background:#f8f8f8;padding-top:10px;box-shadow:0 -8px 18px rgba(0,0,0,.05);}
  .zslc-chat-form textarea{min-height:72px;}
}


/* v3.3 hard fixed composer layout */
.zslc-widget{box-sizing:border-box;}
.zslc-widget *{box-sizing:border-box;}
.zslc-panel{overflow:hidden !important;}
.zslc-panel.is-open{display:flex !important;flex-direction:column !important;}
.zslc-header{flex:0 0 auto !important;}
.zslc-body{flex:1 1 auto !important;min-height:0 !important;display:flex !important;flex-direction:column !important;overflow:hidden !important;}
.zslc-transcript{flex:1 1 auto !important;min-height:0 !important;overflow-y:auto !important;overflow-x:hidden !important;-webkit-overflow-scrolling:touch;padding-right:4px;}
.zslc-info-form,.zslc-chat-form,.zslc-whatsapp{flex:0 0 auto !important;}
.zslc-chat-form{position:relative !important;bottom:auto !important;background:#f8f8f8 !important;border-top:1px solid #e5e7eb !important;margin:0 !important;padding:10px 0 0 !important;}
.zslc-chat-form textarea{display:block !important;width:100% !important;min-height:78px !important;max-height:120px !important;resize:none !important;}
.zslc-response{min-height:16px;}
@media(min-width:768px){
  .zslc-panel{height:min(680px, calc(100vh - var(--zslc-desktop-bottom) - 96px)) !important;max-height:calc(100vh - var(--zslc-desktop-bottom) - 24px) !important;}
}
@media(max-width:767px){
  .zslc-panel{position:fixed !important;left:12px !important;right:12px !important;top:12px !important;bottom:calc(var(--zslc-mobile-bottom) + 58px) !important;width:auto !important;max-width:none !important;height:auto !important;max-height:none !important;}
  .zslc-body{height:auto !important;max-height:none !important;padding:12px !important;}
  .zslc-message{max-width:92%;}
  .zslc-whatsapp{margin-top:8px !important;}
}

/* v3.4 customer UI + truly fixed composer */
.zslc-widget,
.zslc-widget *{box-sizing:border-box !important;}
.zslc-panel{
  border-radius:16px !important;
  border:1px solid rgba(17,24,39,.08) !important;
  background:#fff !important;
  overflow:hidden !important;
  box-shadow:0 20px 60px rgba(15,23,42,.18) !important;
}
.zslc-panel.is-open{
  display:grid !important;
  grid-template-rows:auto minmax(0,1fr) !important;
}
.zslc-header{
  min-height:76px !important;
  padding:18px 20px !important;
  border-radius:0 !important;
}
.zslc-header strong{font-size:18px !important;line-height:1.2 !important;}
.zslc-header small{font-size:12px !important;}
.zslc-body{
  height:auto !important;
  max-height:none !important;
  min-height:0 !important;
  padding:14px !important;
  display:grid !important;
  grid-template-rows:auto minmax(0,1fr) auto auto !important;
  gap:10px !important;
  overflow:hidden !important;
  background:#f8fafc !important;
}
.zslc-transcript{
  min-height:0 !important;
  overflow-y:auto !important;
  overflow-x:hidden !important;
  -webkit-overflow-scrolling:touch !important;
  padding:0 4px 0 0 !important;
  scroll-behavior:smooth !important;
}
.zslc-transcript::-webkit-scrollbar{width:7px;}
.zslc-transcript::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:999px;}
.zslc-message{
  margin:0 0 10px !important;
  border-radius:14px !important;
  padding:12px 14px !important;
  line-height:1.45 !important;
  box-shadow:0 8px 24px rgba(15,23,42,.06) !important;
}
.zslc-message.customer{
  margin-left:auto !important;
  background:#efe7ff !important;
  border-color:#cbb7ff !important;
}
.zslc-message.agent,
.zslc-message.bot{
  margin-right:auto !important;
  background:#fff !important;
  border-color:#e5e7eb !important;
}
.zslc-message strong{font-size:12px !important;color:#64748b !important;margin-bottom:6px !important;}
.zslc-message span{font-size:14px !important;color:#111827 !important;}
.zslc-message small{font-size:11px !important;color:#94a3b8 !important;margin-top:8px !important;}
.zslc-info-form,
.zslc-chat-form,
.zslc-whatsapp{
  position:relative !important;
  z-index:2 !important;
  flex:none !important;
}
.zslc-chat-form{
  display:block;
  background:#f8fafc !important;
  border-top:1px solid #e5e7eb !important;
  padding:10px 0 0 !important;
  margin:0 !important;
}
.zslc-chat-form textarea{
  width:100% !important;
  min-height:76px !important;
  max-height:76px !important;
  resize:none !important;
  border:1px solid #d9dee8 !important;
  border-radius:12px !important;
  background:#fff !important;
  margin:0 0 10px !important;
  box-shadow:none !important;
}
.zslc-chat-form button,
.zslc-info-form button{
  height:44px !important;
  border-radius:12px !important;
}
.zslc-whatsapp{
  margin-top:0 !important;
  min-height:44px !important;
  display:flex !important;
  align-items:center !important;
  justify-content:center !important;
  border-radius:12px !important;
}
@media(min-width:768px){
  .zslc-panel{
    width:var(--zslc-panel-width) !important;
    height:min(640px, calc(100vh - var(--zslc-desktop-bottom) - 90px)) !important;
    max-height:calc(100vh - 32px) !important;
    bottom:62px !important;
  }
}
@media(max-width:767px){
  .zslc-panel{
    position:fixed !important;
    left:12px !important;
    right:12px !important;
    top:auto !important;
    bottom:calc(var(--zslc-mobile-bottom) + 58px) !important;
    width:auto !important;
    height:min(610px, calc(100vh - var(--zslc-mobile-bottom) - 82px)) !important;
    max-height:calc(100vh - var(--zslc-mobile-bottom) - 82px) !important;
  }
  .zslc-header{min-height:72px !important;padding:16px !important;}
  .zslc-body{padding:12px !important;grid-template-rows:auto minmax(0,1fr) auto auto !important;}
  .zslc-message{max-width:92% !important;}
}

/* v3.5 UX: more room for messages + side-by-side composer buttons */
.zslc-panel.is-open{
  display:grid !important;
  grid-template-rows:auto minmax(0,1fr) !important;
}
.zslc-header{
  min-height:68px !important;
  padding:16px 20px !important;
}
.zslc-body{
  display:grid !important;
  grid-template-columns:1fr 1fr !important;
  grid-template-rows:auto minmax(0,1fr) auto !important;
  gap:10px !important;
  min-height:0 !important;
  overflow:hidden !important;
}
.zslc-body > .zslc-message.bot,
.zslc-body > .zslc-transcript,
.zslc-body > .zslc-info-form{
  grid-column:1 / -1 !important;
}
.zslc-body > .zslc-message.bot{
  margin-bottom:0 !important;
  padding:10px 12px !important;
}
.zslc-transcript{
  min-height:210px !important;
  height:auto !important;
  max-height:none !important;
  padding-right:6px !important;
}
.zslc-chat-form{
  grid-column:1 / -1 !important;
  display:grid !important;
  grid-template-columns:1fr 1fr !important;
  gap:10px !important;
  background:#f8fafc !important;
  border-top:1px solid #e5e7eb !important;
  padding:10px 0 0 !important;
  margin:0 !important;
}
.zslc-chat-form textarea{
  grid-column:1 / -1 !important;
  min-height:62px !important;
  max-height:62px !important;
  margin:0 !important;
}
.zslc-chat-form button[type="submit"]{
  grid-column:2 !important;
  grid-row:2 !important;
  height:44px !important;
  margin:0 !important;
  width:100% !important;
}
.zslc-chat-form .zslc-response{
  grid-column:1 / -1 !important;
  min-height:0 !important;
  margin:0 !important;
  font-size:12px !important;
}
.zslc-whatsapp{
  grid-column:1 !important;
  grid-row:3 !important;
  height:44px !important;
  min-height:44px !important;
  margin:0 !important;
  width:100% !important;
  align-self:end !important;
}
.zslc-body > .zslc-chat-form + .zslc-whatsapp{
  margin-top:-54px !important;
}
.zslc-chat-form button[disabled]{opacity:.72;cursor:not-allowed;}
@media(min-width:768px){
  .zslc-panel{height:min(680px, calc(100vh - var(--zslc-desktop-bottom) - 70px)) !important;}
}
@media(max-width:767px){
  .zslc-header{min-height:64px !important;padding:14px 16px !important;}
  .zslc-body{grid-template-rows:auto minmax(0,1fr) auto !important;gap:9px !important;}
  .zslc-panel{height:min(640px, calc(100vh - var(--zslc-mobile-bottom) - 72px)) !important;max-height:calc(100vh - var(--zslc-mobile-bottom) - 72px) !important;}
  .zslc-transcript{min-height:260px !important;}
  .zslc-chat-form textarea{min-height:58px !important;max-height:58px !important;}
  .zslc-chat-form button[type="submit"], .zslc-whatsapp{height:42px !important;min-height:42px !important;font-size:13px !important;}
  .zslc-body > .zslc-chat-form + .zslc-whatsapp{margin-top:-52px !important;}
}

/* v3.6 composer placement fix */
.zslc-body{
  grid-template-columns:1fr !important;
  grid-template-rows:auto minmax(0,1fr) auto auto !important;
}
.zslc-chat-form{
  grid-column:1 / -1 !important;
  display:grid !important;
  grid-template-columns:1fr !important;
  grid-template-rows:auto auto auto !important;
  gap:10px !important;
  margin:0 !important;
  padding:10px 0 0 !important;
  border-top:1px solid #e5e7eb !important;
  background:#f8fafc !important;
}
.zslc-chat-form textarea{
  grid-column:1 !important;
  grid-row:1 !important;
  width:100% !important;
  min-height:64px !important;
  max-height:64px !important;
  margin:0 !important;
}
.zslc-composer-actions{
  grid-column:1 !important;
  grid-row:2 !important;
  display:grid !important;
  grid-template-columns:1fr 1fr !important;
  gap:10px !important;
  width:100% !important;
  align-items:stretch !important;
}
.zslc-chat-form button[type="submit"],
.zslc-chat-form .zslc-whatsapp,
.zslc-whatsapp{
  position:static !important;
  grid-column:auto !important;
  grid-row:auto !important;
  width:100% !important;
  height:46px !important;
  min-height:46px !important;
  margin:0 !important;
  border-radius:12px !important;
  display:flex !important;
  align-items:center !important;
  justify-content:center !important;
  text-align:center !important;
  line-height:1.2 !important;
  box-sizing:border-box !important;
}
.zslc-chat-form button[type="submit"]{background:var(--zslc-primary) !important;color:#fff !important;}
.zslc-chat-form .zslc-whatsapp{background:#22c55e !important;color:#fff !important;text-decoration:none !important;font-weight:700 !important;}
.zslc-chat-form .zslc-response{grid-column:1 !important;grid-row:3 !important;margin:0 !important;min-height:14px !important;}
.zslc-body > .zslc-chat-form + .zslc-whatsapp{margin-top:0 !important;}
@media(max-width:767px){
  .zslc-composer-actions{grid-template-columns:1fr 1fr !important;}
  .zslc-chat-form textarea{min-height:64px !important;max-height:64px !important;}
  .zslc-chat-form button[type="submit"], .zslc-chat-form .zslc-whatsapp{height:44px !important;min-height:44px !important;}
}