.brand-chat-launcher{position:fixed;right:22px;bottom:104px;z-index:8500;display:flex;align-items:center;gap:9px;border:1px solid rgba(15,23,42,.14);border-radius:999px;background:#111827;color:#fff;padding:11px 15px 11px 12px;box-shadow:0 12px 32px rgba(15,23,42,.24);font:700 14px/1 Arial,Helvetica,sans-serif;cursor:pointer}.brand-chat-launcher:hover{transform:translateY(-1px)}.brand-chat-launcher-icon{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#fff;color:#111827;font-size:16px}.brand-chat-launcher strong{display:grid;place-items:center;min-width:23px;height:23px;padding:0 5px;border-radius:999px;background:#ef4444;color:#fff;font-size:11px}.brand-chat-route{overflow:hidden}.brand-chat-page{position:fixed;inset:0;z-index:20000;overflow:auto;background:#f5f7fb;color:#111827;font-family:Arial,Helvetica,sans-serif}.brand-chat-topbar{position:sticky;top:0;z-index:4;display:grid;grid-template-columns:42px minmax(0,1fr) 42px;align-items:center;gap:12px;min-height:70px;padding:10px max(16px,calc((100vw - 1160px)/2));background:rgba(255,255,255,.96);border-bottom:1px solid #e5e7eb;backdrop-filter:blur(12px)}.brand-chat-topbar>div{display:flex;flex-direction:column;gap:3px;min-width:0}.brand-chat-topbar span{font-size:10px;font-weight:800;letter-spacing:.12em;color:#6b7280}.brand-chat-topbar strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:17px}.brand-chat-back,.brand-chat-home{display:grid;place-items:center;width:40px;height:40px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;color:#111827;font-size:20px;cursor:pointer}.brand-chat-main{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:34px 0 80px}.brand-chat-hero{padding:34px;border:1px solid #e5e7eb;border-radius:26px;background:#fff;box-shadow:0 14px 40px rgba(15,23,42,.06)}.brand-chat-eyebrow,.brand-chat-room-head span,.brand-chat-section-head span{display:block;margin-bottom:8px;font-size:11px;font-weight:800;letter-spacing:.12em;color:#6b7280}.brand-chat-hero h1,.brand-chat-room-head h1{margin:0 0 12px;font-size:clamp(28px,4vw,48px);line-height:1.05}.brand-chat-hero p,.brand-chat-room-head p{max-width:780px;margin:0;color:#4b5563;font-size:16px;line-height:1.65}.brand-chat-section{margin-top:30px}.brand-chat-section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:14px}.brand-chat-section-head h2{margin:0;font-size:22px}.brand-chat-section-head small{color:#6b7280}.brand-chat-recent{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.brand-chat-brand-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.brand-chat-brand-card{display:grid;grid-template-columns:42px minmax(0,1fr) 22px;align-items:center;gap:11px;min-height:76px;padding:13px;text-align:left;border:1px solid #e5e7eb;border-radius:18px;background:#fff;color:#111827;cursor:pointer;transition:.15s ease}.brand-chat-brand-card:hover{border-color:#cbd5e1;transform:translateY(-1px);box-shadow:0 10px 24px rgba(15,23,42,.07)}.brand-chat-brand-card.compact{min-height:92px}.brand-chat-brand-avatar,.brand-chat-room-avatar,.brand-chat-message-avatar{display:grid;place-items:center;border-radius:14px;background:#111827;color:#fff;font-weight:800}.brand-chat-brand-avatar{width:42px;height:42px}.brand-chat-brand-copy{display:flex;flex-direction:column;gap:3px;min-width:0}.brand-chat-brand-copy strong{font-size:14px}.brand-chat-brand-copy small{color:#6b7280;font-size:12px}.brand-chat-brand-copy em{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#4b5563;font-size:12px;font-style:normal}.brand-chat-arrow{color:#9ca3af}.brand-chat-note{margin-top:28px;padding:18px 20px;border:1px solid #e5e7eb;border-radius:18px;background:#fff}.brand-chat-note p{margin:6px 0 0;color:#6b7280;font-size:13px;line-height:1.55}.brand-chat-loading,.brand-chat-error,.brand-chat-empty{margin-top:24px;padding:28px;border:1px dashed #cbd5e1;border-radius:18px;background:#fff;color:#6b7280;text-align:center}.brand-chat-error strong,.brand-chat-empty strong{display:block;margin-bottom:6px;color:#111827}.brand-chat-room-head{display:grid;grid-template-columns:74px minmax(0,1fr);gap:20px;align-items:center;padding:28px;border:1px solid #e5e7eb;border-radius:24px;background:#fff}.brand-chat-room-avatar{width:74px;height:74px;border-radius:22px;font-size:30px}.brand-chat-room-head h1{font-size:clamp(26px,4vw,40px)}.brand-chat-room{margin-top:18px;border:1px solid #e5e7eb;border-radius:24px;background:#fff;overflow:hidden}.brand-chat-room-toolbar{display:flex;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid #e5e7eb}.brand-chat-room-toolbar span{color:#16a34a;font-size:12px;font-weight:700}.brand-chat-messages{height:min(55vh,620px);min-height:340px;overflow:auto;padding:18px;background:#f8fafc}.brand-chat-message{display:grid;grid-template-columns:38px minmax(0,1fr);gap:10px;max-width:820px;margin:0 0 12px}.brand-chat-message.mine{margin-left:auto}.brand-chat-message-avatar{width:38px;height:38px;border-radius:12px;font-size:13px}.brand-chat-message-body{padding:11px 13px;border:1px solid #e5e7eb;border-radius:5px 16px 16px 16px;background:#fff}.brand-chat-message.mine .brand-chat-message-body{background:#eef2ff;border-color:#dbe2ff}.brand-chat-message-body header{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.brand-chat-message-body header strong{font-size:13px}.brand-chat-message-body time{color:#9ca3af;font-size:11px}.brand-chat-message-body p{margin:7px 0 0;color:#374151;font-size:14px;line-height:1.55;overflow-wrap:anywhere}.brand-chat-delete{margin-left:auto;border:0;background:transparent;color:#9ca3af;font-size:11px;cursor:pointer}.brand-chat-delete:hover{color:#dc2626}.brand-chat-compose{padding:18px 20px;border-top:1px solid #e5e7eb}.brand-chat-compose>label{display:block;margin-bottom:8px;font-size:12px;font-weight:700}.brand-chat-compose>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}.brand-chat-compose textarea{width:100%;min-height:78px;resize:vertical;border:1px solid #d1d5db;border-radius:14px;padding:12px 13px;font:14px/1.45 Arial,Helvetica,sans-serif;outline:none}.brand-chat-compose textarea:focus{border-color:#64748b;box-shadow:0 0 0 3px rgba(100,116,139,.12)}.brand-chat-primary{border:0;border-radius:13px;background:#111827;color:#fff;padding:12px 17px;font-weight:700;cursor:pointer}.brand-chat-compose .brand-chat-primary{min-height:44px}.brand-chat-compose>p{min-height:18px;margin:7px 0 0;color:#6b7280;font-size:12px}.brand-chat-login{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px;border-top:1px solid #e5e7eb;background:#fff}.brand-chat-login strong{display:block;margin-bottom:5px}.brand-chat-login p{margin:0;color:#6b7280;font-size:13px;line-height:1.5}.brand-chat-login .brand-chat-primary{white-space:nowrap}
@media(max-width:900px){.brand-chat-brand-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.brand-chat-recent{grid-template-columns:1fr}}
@media(max-width:700px){.brand-chat-launcher{right:12px;bottom:148px;padding:9px 12px 9px 9px;font-size:12px}.brand-chat-launcher-icon{width:28px;height:28px}.brand-chat-main{width:min(100% - 22px,1120px);padding-top:16px}.brand-chat-topbar{padding:8px 11px;min-height:62px}.brand-chat-hero{padding:22px 18px;border-radius:20px}.brand-chat-hero p,.brand-chat-room-head p{font-size:14px}.brand-chat-brand-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.brand-chat-brand-card{grid-template-columns:38px minmax(0,1fr) 16px;min-height:69px;padding:10px;border-radius:15px}.brand-chat-brand-avatar{width:38px;height:38px}.brand-chat-room-head{grid-template-columns:56px minmax(0,1fr);gap:13px;padding:18px;border-radius:20px}.brand-chat-room-avatar{width:56px;height:56px;border-radius:17px;font-size:22px}.brand-chat-room{border-radius:20px}.brand-chat-messages{height:56vh;min-height:300px;padding:12px}.brand-chat-login{align-items:stretch;flex-direction:column}.brand-chat-compose>div{grid-template-columns:1fr}.brand-chat-compose .brand-chat-primary{width:100%}}
@media(max-width:430px){.brand-chat-launcher>span:nth-child(2){display:none}.brand-chat-launcher{padding-right:9px}.brand-chat-brand-grid{grid-template-columns:1fr}.brand-chat-message{grid-template-columns:32px minmax(0,1fr)}.brand-chat-message-avatar{width:32px;height:32px}.brand-chat-section-head{align-items:start;flex-direction:column;gap:4px}}

/* V239 - 97 marka / 618 model: model secimi ve model sohbet odalari */
.brand-chat-model-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.brand-chat-model-card{display:grid;grid-template-columns:42px minmax(0,1fr) 20px;align-items:center;gap:11px;min-height:72px;padding:12px 13px;text-align:left;border:1px solid #e5e7eb;border-radius:17px;background:#fff;color:#111827;cursor:pointer;transition:.15s ease}.brand-chat-model-card:hover{border-color:#f97316;transform:translateY(-1px);box-shadow:0 10px 24px rgba(15,23,42,.07)}.brand-chat-model-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#fff7ed;color:#ea580c;font-size:16px;font-weight:800}.brand-chat-model-card>span:nth-child(2){display:flex;flex-direction:column;gap:3px;min-width:0}.brand-chat-model-card strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.brand-chat-model-card small{color:#6b7280;font-size:11px}.brand-chat-general-section{margin-top:34px}.brand-chat-room-head.model{border-color:#fed7aa;background:linear-gradient(135deg,#fff 0%,#fff7ed 100%)}.brand-chat-room-head.model .brand-chat-room-avatar{background:#f97316}.brand-chat-room-head.model span{color:#ea580c}
@media(max-width:900px){.brand-chat-model-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.brand-chat-model-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.brand-chat-model-card{grid-template-columns:38px minmax(0,1fr) 16px;min-height:66px;padding:10px}.brand-chat-model-icon{width:38px;height:38px}}
@media(max-width:430px){.brand-chat-model-grid{grid-template-columns:1fr}}
/* V240: marka/model arama + şeffaf topluluk başlatıcıları */
.brand-chat-search{position:relative;margin:0 0 20px;z-index:6}.brand-chat-search-box{display:grid;grid-template-columns:28px minmax(0,1fr) 34px;align-items:center;gap:6px;background:#fff;border:1px solid #d1d5db;border-radius:16px;min-height:54px;padding:0 10px 0 14px;box-shadow:0 8px 26px rgba(15,23,42,.06)}.brand-chat-search-box:focus-within{border-color:#f97316;box-shadow:0 0 0 3px rgba(249,115,22,.12),0 10px 30px rgba(15,23,42,.08)}.brand-chat-search-box>span{font-size:24px;color:#9ca3af}.brand-chat-search-box input{border:0;outline:0;background:transparent;min-width:0;font:inherit;font-size:15px;color:#111827;padding:15px 0}.brand-chat-search-box button{border:0;background:#f3f4f6;border-radius:10px;width:32px;height:32px;font-size:22px;cursor:pointer;color:#4b5563}.brand-chat-search-results{position:absolute;left:0;right:0;top:62px;max-height:420px;overflow:auto;background:#fff;border:1px solid #e5e7eb;border-radius:16px;box-shadow:0 18px 50px rgba(15,23,42,.16);padding:7px}.brand-chat-search-results button{width:100%;display:grid;grid-template-columns:58px minmax(0,1fr) auto;align-items:center;gap:10px;text-align:left;border:0;background:#fff;border-radius:11px;padding:10px 12px;cursor:pointer}.brand-chat-search-results button:hover,.brand-chat-search-results button:focus{background:#fff7ed;outline:none}.brand-chat-search-results strong{font-size:14px;color:#111827;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brand-chat-search-results small{font-size:11px;color:#6b7280}.brand-chat-search-kind{font-size:9px;font-weight:800;letter-spacing:.08em;color:#ea580c;background:#fff7ed;border-radius:7px;padding:5px 6px;text-align:center}.brand-chat-search-empty{padding:15px;color:#6b7280;text-align:center;font-size:13px}.brand-chat-starters{margin:22px 0}.brand-chat-starter-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.brand-chat-starter-card{border:1px solid #fed7aa;background:linear-gradient(145deg,#fff 0%,#fff7ed 100%);border-radius:15px;padding:14px;min-height:145px}.brand-chat-starter-card>span{display:block;font-size:10px;font-weight:800;letter-spacing:.06em;color:#ea580c;margin-bottom:7px}.brand-chat-starter-card strong{display:block;font-size:14px;color:#111827;margin-bottom:7px}.brand-chat-starter-card p{font-size:12px;line-height:1.5;color:#4b5563;margin:0}.brand-chat-starter-card a{display:inline-block;margin-top:9px;color:#c2410c;font-size:11px;font-weight:700;text-decoration:none}.brand-chat-starter-card a:hover{text-decoration:underline}.brand-chat-starter-disclaimer{font-size:11px;color:#6b7280;margin:9px 2px 0;line-height:1.45}
@media(max-width:800px){.brand-chat-starter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-chat-search-results{max-height:55vh}}@media(max-width:520px){.brand-chat-starter-grid{grid-template-columns:1fr}.brand-chat-search-box{min-height:50px}.brand-chat-search-results button{grid-template-columns:54px minmax(0,1fr);}.brand-chat-search-results small{grid-column:2}}

/* V258: public community author field */
.brand-chat-compose>label input{display:block;width:min(420px,100%);margin-top:7px;border:1px solid #d1d5db;border-radius:12px;padding:11px 12px;background:#fff;color:#111827;font:14px/1.3 Arial,Helvetica,sans-serif;outline:none}.brand-chat-compose>label input:focus{border-color:#f97316;box-shadow:0 0 0 3px rgba(249,115,22,.12)}.brand-chat-compose>small{display:block;margin-top:9px;color:#6b7280;font-size:11px;line-height:1.45}