#ccs-root{--ccs-color:#2563eb;--ccs-on:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.45;color:#1f2937}
#ccs-root *,#ccs-root *::before,#ccs-root *::after{box-sizing:border-box}
#ccs-root button,#ccs-root input,#ccs-root textarea{font-family:inherit;font-size:14px;margin:0;text-transform:none;letter-spacing:normal}
#ccs-root [hidden]{display:none !important}

/* Bubble */
#ccs-root .ccs-bubble{position:fixed;z-index:2147483000;width:60px;height:60px;border-radius:50%;border:0;padding:0;background:var(--ccs-color);color:var(--ccs-on);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:transform .15s ease,box-shadow .15s ease;-webkit-tap-highlight-color:transparent}
#ccs-root .ccs-bubble:hover{transform:scale(1.06);box-shadow:0 8px 26px rgba(0,0,0,.3)}
#ccs-root .ccs-bubble:focus-visible{outline:3px solid rgba(37,99,235,.5);outline-offset:3px}
#ccs-root .ccs-bubble .ccs-ico-close{display:none}
#ccs-root.ccs-is-open .ccs-bubble .ccs-ico-chat{display:none}
#ccs-root.ccs-is-open .ccs-bubble .ccs-ico-close{display:block}
#ccs-root .ccs-badge{position:absolute;top:-4px;right:-4px;min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:#ef4444;color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;border:2px solid #fff}

/* Window */
#ccs-root .ccs-window{position:fixed;z-index:2147483000;width:370px;max-width:calc(100vw - 24px);height:560px;max-height:calc(100vh - 110px);max-height:calc(100dvh - 110px);background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.25);display:none;flex-direction:column;overflow:hidden}
#ccs-root .ccs-window.ccs-open{display:flex;animation:ccsUp .22s ease}
@keyframes ccsUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){#ccs-root .ccs-window.ccs-open{animation:none}}

#ccs-root .ccs-header{background:var(--ccs-color);color:var(--ccs-on);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex:0 0 auto}
#ccs-root .ccs-titles{display:flex;flex-direction:column;min-width:0}
#ccs-root .ccs-titles strong{font-size:16px;font-weight:600;line-height:1.25}
#ccs-root .ccs-titles span{font-size:12.5px;opacity:.85}
#ccs-root .ccs-close{background:transparent;border:0;color:inherit;cursor:pointer;padding:6px;border-radius:8px;display:flex;opacity:.9}
#ccs-root .ccs-close:hover{opacity:1;background:rgba(255,255,255,.18)}

#ccs-root .ccs-view{flex:1 1 auto;min-height:0}

#ccs-root .ccs-window.ccs-step-form{height:auto}

/* Pre-chat form */
#ccs-root .ccs-prechat{display:flex;flex-direction:column;gap:14px;padding:20px 18px;overflow-y:auto;background:#fff}
#ccs-root .ccs-prechat[hidden]{display:none}
#ccs-root .ccs-welcome{margin:0 0 4px;color:#374151;font-size:15px}
#ccs-root .ccs-prechat label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:13px;color:#374151}
#ccs-root .ccs-prechat input[type=text],#ccs-root .ccs-prechat input[type=email]{width:100%;height:42px;padding:0 12px;border:1px solid #d1d5db;border-radius:10px;background:#fff;color:#111827;font-weight:400;outline:none;box-shadow:none}
#ccs-root .ccs-prechat input:focus{border-color:var(--ccs-color);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
#ccs-root .ccs-error{color:#b91c1c;font-size:13px;min-height:0}
#ccs-root .ccs-error:empty{display:none}
#ccs-root .ccs-btn{height:44px;border:0;border-radius:10px;background:var(--ccs-color);color:var(--ccs-on);font-weight:600;font-size:15px;cursor:pointer}
#ccs-root .ccs-btn:hover{filter:brightness(.93)}

/* Chat view */
#ccs-root .ccs-chatview{display:flex;flex-direction:column;background:#f3f4f6}
#ccs-root .ccs-chatview[hidden]{display:none}
#ccs-root .ccs-messages{flex:1 1 auto;min-height:0;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px;overscroll-behavior:contain}
#ccs-root .ccs-msg{max-width:82%;padding:8px 12px;border-radius:16px;word-wrap:break-word;overflow-wrap:anywhere;white-space:pre-wrap}
#ccs-root .ccs-msg .ccs-name{display:block;font-size:11.5px;font-weight:700;opacity:.65;margin-bottom:2px}
#ccs-root .ccs-msg .ccs-time{display:block;font-size:11px;opacity:.6;margin-top:3px;text-align:right}
#ccs-root .ccs-visitor{align-self:flex-end;background:var(--ccs-color);color:var(--ccs-on);border-bottom-right-radius:5px}
#ccs-root .ccs-admin{align-self:flex-start;background:#fff;color:#111827;border-bottom-left-radius:5px;box-shadow:0 1px 2px rgba(0,0,0,.08)}
#ccs-root .ccs-system{align-self:center;max-width:92%;background:transparent;color:#6b7280;text-align:center;font-size:13px;padding:4px 8px}

#ccs-root .ccs-ended{flex:0 0 auto;padding:14px;text-align:center;background:#fff;border-top:1px solid #e5e7eb;color:#4b5563;display:flex;flex-direction:column;gap:8px;align-items:center}
#ccs-root .ccs-newchat{border:0;background:var(--ccs-color);color:var(--ccs-on);padding:9px 16px;border-radius:10px;font-weight:600;cursor:pointer}

#ccs-root .ccs-composer{flex:0 0 auto;display:flex;align-items:flex-end;gap:8px;padding:10px;background:#fff;border-top:1px solid #e5e7eb}
#ccs-root .ccs-composer textarea{flex:1;min-height:42px;max-height:110px;padding:10px 12px;border:1px solid #d1d5db;border-radius:12px;resize:none;outline:none;background:#fff;color:#111827;line-height:1.35;box-shadow:none}
#ccs-root .ccs-composer textarea:focus{border-color:var(--ccs-color)}
#ccs-root .ccs-send{flex:0 0 42px;width:42px;height:42px;border:0;border-radius:50%;background:var(--ccs-color);color:var(--ccs-on);display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
#ccs-root .ccs-send:hover{filter:brightness(.93)}
#ccs-root .ccs-composer.ccs-busy .ccs-send{opacity:.5;pointer-events:none}

/* Mobile: full screen */
@media (max-width:520px){
  #ccs-root .ccs-window{top:0 !important;left:0 !important;right:0 !important;bottom:0 !important;width:100%;max-width:100%;height:100%;max-height:none;border-radius:0}
  #ccs-root.ccs-is-open .ccs-bubble{display:none}
  #ccs-root .ccs-prechat input[type=text],#ccs-root .ccs-prechat input[type=email],#ccs-root .ccs-composer textarea{font-size:16px}
  #ccs-root .ccs-header{padding-top:max(14px,env(safe-area-inset-top))}
  #ccs-root .ccs-composer{padding-bottom:max(10px,env(safe-area-inset-bottom))}
}