/* NextLine customer chat v21 — intentionally layered after the shared bundle.
   No external CDNs; room/messages remain on the existing PHP/MySQL API. */
.nx21-chat-dock{position:fixed!important;z-index:10020!important;right:max(18px,env(safe-area-inset-right))!important;bottom:max(20px,env(safe-area-inset-bottom))!important;left:auto!important;max-width:calc(100vw - 24px);font-family:inherit;isolation:isolate}
.nx21-chat-dock,.nx21-chat-dock *{box-sizing:border-box}
.nx21-chat-dock .nx21-chat-launcher{display:flex!important;align-items:center;gap:11px;padding:10px 17px 10px 10px!important;min-height:64px;min-width:187px;border:1px solid rgba(255,255,255,.22)!important;border-radius:19px!important;background:linear-gradient(115deg,#6639ed 0%,#9842e9 60%,#db389e 100%)!important;color:white!important;box-shadow:0 12px 34px rgba(57,27,131,.28),0 3px 8px rgba(11,9,49,.16)!important;font-family:inherit;text-align:left;cursor:pointer;transition:box-shadow .2s,transform .2s}
.nx21-chat-dock .nx21-chat-launcher:hover{transform:translateY(-3px);background:linear-gradient(115deg,#7947ff,#a843ee 65%,#e83dac)!important;box-shadow:0 19px 40px rgba(57,27,131,.34)!important}
.nx21-chat-dock .nx21-chat-launcher:focus-visible,.nx21-chat-dock button:focus-visible,.nx21-staff-chat-link:focus-visible{outline:3px solid #57ecea;outline-offset:3px}
.nx21-chat-dock .nx21-chat-launch-icon{width:43px;height:43px;flex:0 0 43px;border-radius:13px;display:grid;place-items:center;background:rgba(255,255,255,.18)!important;color:#fff!important;border:1px solid rgba(255,255,255,.2)}
.nx21-chat-launch-copy{display:grid;line-height:1.3;gap:4px}.nx21-chat-launch-copy strong{font-size:14px;font-weight:850;white-space:nowrap;letter-spacing:-.01em}.nx21-chat-launch-copy small{font-size:10px;color:#f6e4ff;font-weight:550}.nx21-chat-pulse{width:7px;height:7px;flex:0 0 7px;background:#9dfce4;border-radius:50%;box-shadow:0 0 0 3px rgba(157,252,228,.18);margin-left:2px}
.nx21-chat-dock.nx-chat-is-open .nx21-chat-launcher{display:none!important}
.nx21-chat-dock .nx21-chat-panel{width:min(392px,calc(100vw - 26px))!important;height:min(610px,calc(100dvh - 45px))!important;max-height:calc(100dvh - 45px)!important;display:flex;flex-direction:column;overflow:hidden;background:#fff;color:#202e4c;border:1px solid #e7e5f6;border-radius:22px;box-shadow:0 28px 85px rgba(18,13,60,.32),0 9px 22px rgba(18,13,60,.12)!important}
.nx21-chat-dock .nx21-chat-panel[hidden]{display:none!important}
.nx21-chat-dock .nx21-chat-head{display:flex;align-items:center;justify-content:flex-start;gap:11px;background:linear-gradient(120deg,#211542,#302369 65%,#602e8d)!important;color:#fff;padding:16px 17px!important;min-height:81px}
.nx21-chat-head-brand{display:grid;place-items:center;width:43px;height:43px;flex:0 0 43px;border-radius:13px;background:linear-gradient(130deg,#2e184e,#192958);border:1px solid rgba(219,157,255,.5);color:#fff;font-weight:950;font-size:24px;font-style:italic;letter-spacing:-.12em;box-shadow:0 4px 13px rgba(0,0,0,.15)}.nx21-chat-head-brand span{font-size:8px;color:#9df3fd;transform:translate(5px,-7px)}
.nx21-chat-head-copy{min-width:0;flex:1}.nx21-chat-head-copy strong{display:block;font-size:14px;font-weight:850;line-height:1.35}.nx21-chat-head-copy small{display:block;font-size:10px;line-height:1.5;color:#d6caec;margin-top:3px}
.nx21-chat-dock .nx21-chat-close{display:grid;place-items:center;flex:0 0 33px;width:33px;height:33px;border:1px solid rgba(255,255,255,.27)!important;border-radius:10px!important;background:rgba(255,255,255,.08)!important;color:#fff!important;padding:0;cursor:pointer}
.nx21-chat-dock .nx21-chat-info{flex:0 0 auto;min-height:0;padding:9px 17px;background:#f3efff!important;border-bottom:1px solid #e6dffb;color:#68508d;font-size:11px;line-height:1.5}.nx21-chat-dock .nx21-status-error{color:#8a2754!important;background:#fff0f4!important}
.nx21-chat-dock .nx21-chat-messages{min-height:0;flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;background:linear-gradient(#f9f8fd,#f4f5fb)!important;padding:18px 15px}
.nx21-chat-dock .nx21-chat-welcome{display:grid;gap:9px;padding:16px!important;border:1px solid #e8e7f3;border-radius:15px;background:#fff!important;text-align:center;line-height:1.6;box-shadow:0 8px 20px rgba(33,25,70,.04);font-size:12px;color:#58667e}.nx21-chat-welcome .nx21-wave{font-size:24px}.nx21-chat-welcome strong{font-size:13px;color:#29334f}.nx21-chat-welcome p{margin:0;line-height:1.7}.nx21-chat-shortcuts{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:5px}.nx21-chat-shortcuts button{border:1px solid #dcdff5;background:#f6f5ff;color:#583cb5;font-size:10px;font-weight:750;border-radius:999px;padding:7px 10px;cursor:pointer}.nx21-chat-shortcuts button:hover{background:#eae6ff}
.nx21-chat-dock .nx-chat-bubble{font-size:12px;line-height:1.65;border-radius:14px;padding:10px 12px;max-width:87%}.nx21-chat-dock .nx-chat-bubble-mine{background:linear-gradient(120deg,#6744ec,#8d4beb);color:white}.nx21-chat-dock .nx-chat-bubble-staff{background:white;color:#263550;border:1px solid #e0e3ef}
.nx21-chat-dock .nx21-chat-form{padding:13px 14px!important;gap:10px;border-top:1px solid #e5e6f3;background:#fff}.nx21-chat-dock .nx-chat-guest-field{font-size:11px;color:#58617c}.nx21-chat-dock .nx-chat-guest-field input{min-height:41px;border:1px solid #e0e4f2!important;border-radius:11px;padding:9px 12px;font-size:13px}.nx21-chat-dock .nx21-chat-input-row{align-items:stretch;gap:9px}.nx21-chat-dock .nx21-chat-input-row textarea{min-height:47px;max-height:96px;resize:vertical;padding:12px 13px;border:1px solid #dfe2ef;border-radius:12px;color:#1b2949;font-size:13px;line-height:1.4}.nx21-chat-dock .nx21-chat-input-row button{width:48px;min-width:48px;flex:0 0 48px;display:grid;place-items:center;border:0;border-radius:12px;background:linear-gradient(130deg,#683cf1,#ae45d9)!important;color:#fff;padding:0;cursor:pointer}.nx21-chat-dock .nx21-chat-input-row button:disabled{opacity:.5;cursor:default}
.nx21-chat-dock .nx21-chat-disclaimer{display:flex;justify-content:space-between;gap:8px;align-items:center;background:#fff;padding:0 14px 12px;font-size:10px;color:#71809b}.nx21-chat-disclaimer a{color:#5939bf;text-decoration:underline;font-weight:650}
.nx21-staff-dock{position:fixed;z-index:10020;right:18px;bottom:19px}.nx21-staff-chat-link{display:flex;align-items:center;gap:10px;background:linear-gradient(120deg,#2e2157,#693dd8);color:#fff!important;text-decoration:none;border-radius:16px;padding:14px 18px;box-shadow:0 13px 36px rgba(42,27,91,.28);font-weight:850;font-size:13px}.nx21-staff-chat-link:hover{background:#5d40ce}.nx21-staff-unread{display:inline-grid;place-items:center;min-width:21px;height:21px;padding:0 5px;border-radius:999px;background:#ff598d;color:#fff;font-size:11px}.nx21-staff-unread[hidden]{display:none}
.nx-chat-dock .nx-launch-unread:not([hidden]){background:#ff4e83;color:#fff;position:absolute;top:-6px;right:-6px;box-shadow:0 0 0 3px #fff;font-size:10px;padding:0 7px;min-width:22px;height:22px;border-radius:50px;display:grid;place-items:center}
@media(max-width:700px){
 .nx21-chat-dock{right:max(9px,env(safe-area-inset-right))!important;bottom:calc(72px + env(safe-area-inset-bottom))!important}
 .nx21-chat-dock .nx21-chat-launcher{min-width:160px;min-height:54px;padding:7px 12px 7px 7px!important;gap:8px;border-radius:16px!important}
 .nx21-chat-dock .nx21-chat-launch-icon{width:39px;height:39px;flex-basis:39px;border-radius:11px}
 .nx21-chat-launch-copy strong{font-size:12px}.nx21-chat-launch-copy small{font-size:9px}
 .nx21-chat-dock .nx21-chat-panel{width:min(380px,calc(100vw - 18px))!important;height:min(565px,calc(100dvh - 97px))!important;max-height:calc(100dvh - 97px)!important;border-radius:18px}
 .nx21-staff-dock{right:10px;bottom:14px}
}
@media(max-width:360px){.nx21-chat-dock .nx21-chat-panel{width:calc(100vw - 12px)!important}.nx21-chat-dock .nx21-chat-head{padding:13px 11px!important}.nx21-chat-head-copy strong{font-size:12px}.nx21-chat-head-copy small{font-size:9px}.nx21-chat-dock .nx21-chat-messages{padding:12px 10px}.nx21-chat-dock .nx21-chat-form{padding:11px!important}.nx21-chat-shortcuts button{font-size:9px;padding:6px 8px}}
@media(prefers-reduced-motion:reduce){.nx21-chat-launcher,.nx21-chat-dock *{transition:none!important;animation:none!important}}
@media print{.nx21-chat-dock,.nx21-staff-dock{display:none!important}}
.float-line{display:none!important}
.nx21-support-feature{position:relative;overflow:hidden;border:1px solid #cabffd!important;background:linear-gradient(140deg,#fff,#f7f4ff)!important;box-shadow:0 12px 28px rgba(72,45,160,.1)}
.nx21-support-feature .nx21-support-symbol{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#673ce5;color:white;font-size:25px;margin-bottom:15px}
.nx21-support-feature .btn{cursor:pointer}