:root{--sc-green:#086c42;--sc-dark:#063c2a;--sc-yellow:#f3bd29;--sc-line:#dce8e0;--sc-muted:#64736b}
.mtv-support-center{position:fixed;right:20px;bottom:20px;z-index:999980;font-family:"Plus Jakarta Sans",Arial,sans-serif;color:#101b15;letter-spacing:0}
.mtv-support-fab{position:relative;width:58px;height:58px;border:0;border-radius:50%;display:grid;place-items:center;background:var(--sc-green);color:#fff;box-shadow:0 14px 34px rgba(3,75,43,.3);font-size:22px;font-weight:900;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}
.mtv-support-fab:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(3,75,43,.36)}
.mtv-support-unread{position:absolute;right:-2px;top:-4px;min-width:20px;height:20px;padding:0 5px;border:2px solid #fff;border-radius:999px;background:#dc2626;color:#fff;font-size:10px;display:none;place-items:center}
.mtv-support-unread.active{display:grid}
.mtv-support-panel{position:absolute;right:0;bottom:70px;width:min(390px,calc(100vw - 24px));height:min(650px,calc(100vh - 110px));display:none;grid-template-rows:auto auto minmax(0,1fr) auto;background:#fff;border:1px solid var(--sc-line);border-radius:8px;box-shadow:0 28px 70px rgba(8,32,20,.24);overflow:hidden}
.mtv-support-center.open .mtv-support-panel{display:grid;animation:sc-open .18s ease-out}
.mtv-support-center.expanded .mtv-support-panel{width:min(760px,calc(100vw - 40px));height:min(760px,calc(100vh - 48px))}
.mtv-support-header{display:flex;align-items:center;gap:11px;padding:16px;background:var(--sc-dark);color:#fff}
.mtv-support-brand{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.mtv-support-brand img{width:36px;height:36px;object-fit:contain;border-radius:6px;background:#fff;padding:3px}.mtv-support-brand strong{display:block;font-size:13px}.mtv-support-brand span{display:block;color:#c9ead8;font-size:11px;margin-top:2px}
.mtv-support-head-actions{display:flex;gap:5px}.mtv-support-head-actions button{width:34px;height:34px;border:0;border-radius:5px;background:#ffffff18;color:#fff;font-size:17px;font-weight:900;cursor:pointer}.mtv-support-head-actions button:hover{background:#ffffff2b}
.mtv-support-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--sc-line);background:#fff}.mtv-support-tabs button{min-height:45px;border:0;border-bottom:2px solid transparent;background:#fff;color:#5c6b63;font-weight:800;font-size:12px}.mtv-support-tabs button.active{border-bottom-color:var(--sc-green);color:var(--sc-green)}
.mtv-support-view{min-height:0;overflow:auto;background:#f5f8f6}.mtv-support-conversation,.mtv-support-help{min-height:100%;padding:14px}.mtv-support-welcome{padding:14px;border:1px solid var(--sc-line);border-radius:7px;background:#fff}.mtv-support-welcome strong{display:block;color:var(--sc-dark);font-size:14px}.mtv-support-welcome p{margin:7px 0 0;color:#506057;font-size:12px;line-height:1.55}
.mtv-support-messages{display:grid;gap:9px;padding:14px 0}.mtv-support-message{max-width:88%;padding:10px 12px;border-radius:7px;background:#fff;border:1px solid var(--sc-line);font-size:12px;line-height:1.5;overflow-wrap:anywhere}.mtv-support-message.user{margin-left:auto;background:var(--sc-green);border-color:var(--sc-green);color:#fff}.mtv-support-message.typing{color:var(--sc-muted);font-style:italic}.mtv-support-message strong{display:block;margin-bottom:4px}.mtv-support-message a{color:inherit;font-weight:800}
.mtv-support-quick{display:flex;gap:7px;flex-wrap:wrap}.mtv-support-quick button{border:1px solid #b9d3c3;border-radius:999px;background:#fff;color:var(--sc-green);padding:7px 10px;font-size:11px;font-weight:800}
.mtv-support-composer{display:grid;grid-template-columns:minmax(0,1fr) 42px;gap:8px;padding:11px;border-top:1px solid var(--sc-line);background:#fff}.mtv-support-composer textarea{width:100%;height:42px;min-height:42px;max-height:100px;resize:none;border:1px solid #cfdcd4;border-radius:6px;padding:10px;font:inherit;font-size:12px}.mtv-support-composer button{width:42px;height:42px;border:0;border-radius:6px;background:var(--sc-green);color:#fff;font-weight:900}
.mtv-support-search{position:sticky;top:-14px;z-index:2;padding:0 0 12px;background:#f5f8f6}.mtv-support-search input{width:100%;height:42px;border:1px solid #cfdcd4;border-radius:6px;background:#fff;padding:0 12px;font:inherit;font-size:12px}
.mtv-support-categories{display:grid;gap:8px}.mtv-support-category,.mtv-support-article{width:100%;text-align:left;border:1px solid var(--sc-line);border-radius:7px;background:#fff;padding:12px;color:#15241c}.mtv-support-category{display:flex;align-items:center;justify-content:space-between;font-weight:800;font-size:12px}.mtv-support-category span{display:grid;place-items:center;min-width:24px;height:24px;border-radius:999px;background:#e9f6ee;color:var(--sc-green);font-size:10px}.mtv-support-article strong{display:block;font-size:12px}.mtv-support-article p{margin:6px 0 0;color:#617168;font-size:11px;line-height:1.45}.mtv-support-article-detail{padding:14px;border:1px solid var(--sc-line);border-radius:7px;background:#fff}.mtv-support-article-detail h3{margin:0 0 8px;color:var(--sc-dark);font-size:15px}.mtv-support-article-detail p{color:#53645b;font-size:12px;line-height:1.65}.mtv-support-article-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.mtv-support-article-actions button,.mtv-support-article-actions a{border:0;border-radius:6px;padding:9px 11px;background:var(--sc-green);color:#fff;font-size:11px;font-weight:800;text-decoration:none}
.mtv-support-ticket-form{display:grid;gap:9px;margin-top:10px;padding:12px;border:1px solid var(--sc-line);border-radius:7px;background:#fff}.mtv-support-ticket-form input,.mtv-support-ticket-form select,.mtv-support-ticket-form textarea{width:100%;border:1px solid #cfdcd4;border-radius:6px;padding:9px 10px;font:inherit;font-size:12px}.mtv-support-ticket-form textarea{min-height:75px;resize:vertical}.mtv-support-ticket-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mtv-support-ticket-form button{min-height:40px;border:0;border-radius:6px;background:var(--sc-green);color:#fff;font-weight:900}.mtv-support-history{margin-top:12px}.mtv-support-history h4{margin:0 0 8px;font-size:12px}.mtv-support-ticket{padding:9px 10px;border:1px solid var(--sc-line);border-radius:6px;background:#fff;font-size:11px}.mtv-support-ticket+.mtv-support-ticket{margin-top:6px}.mtv-support-ticket strong{display:block;color:var(--sc-green)}
.mtv-support-center[aria-busy="true"] button,.mtv-support-center[aria-busy="true"] textarea{pointer-events:none;opacity:.65}
@keyframes sc-open{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(max-width:640px){.mtv-support-center{right:12px;bottom:84px}.mtv-support-center.open{inset:0;bottom:0;right:0}.mtv-support-center.open .mtv-support-fab{display:none}.mtv-support-panel,.mtv-support-center.expanded .mtv-support-panel{position:fixed;inset:0;width:100vw;height:100dvh;max-width:none;max-height:none;border:0;border-radius:0}.mtv-support-ticket-grid{grid-template-columns:1fr}.mtv-support-composer{padding-bottom:max(11px,env(safe-area-inset-bottom))}}
@media(prefers-reduced-motion:reduce){.mtv-support-fab,.mtv-support-center.open .mtv-support-panel{transition:none;animation:none}}

/* Conversation inbox and help-center hierarchy */
.mtv-support-inbox{min-height:100%;display:flex;flex-direction:column}.mtv-support-greeting{padding:10px 2px 16px}.mtv-support-greeting span{display:block;color:var(--sc-green);font-size:12px;font-weight:800}.mtv-support-greeting strong{display:block;margin-top:3px;font-size:16px}.mtv-support-thread{width:100%;display:grid;grid-template-columns:9px 1fr auto;gap:9px;align-items:start;padding:14px 10px;border:0;border-top:1px solid var(--sc-line);border-bottom:1px solid var(--sc-line);background:#fff;text-align:left;cursor:pointer}.mtv-support-thread i{width:7px;height:7px;margin-top:5px;border-radius:50%;background:var(--sc-green)}.mtv-support-thread strong,.mtv-support-thread small{display:block}.mtv-support-thread strong{font-size:12px}.mtv-support-thread small{margin-top:4px;color:var(--sc-muted);font-size:11px}.mtv-support-thread time{color:var(--sc-muted);font-size:9px}.mtv-support-start{align-self:center;margin:auto 0 12px;min-height:42px;border:0;border-radius:4px;padding:0 17px;background:var(--sc-green);color:#fff;font-weight:800;cursor:pointer}.mtv-support-back{margin:0 0 10px;border:0;background:transparent;color:var(--sc-green);font-weight:800;cursor:pointer}.mtv-support-chat[hidden],.mtv-support-inbox[hidden]{display:none}.mtv-support-header{background:#fff;color:#101b15;border-bottom:1px solid var(--sc-line)}.mtv-support-brand span{color:var(--sc-muted)}.mtv-support-head-actions button{background:#eff4f1;color:var(--sc-dark)}.mtv-support-head-actions button:hover{background:#e1ebe5}