.btcs-root,.btcs-promo-root,.btcs-topbar {
	--btcs-primary:#0f766e;
	--btcs-secondary:#14b8a6;
	--btcs-text:#102a2a;
	font-family:Tahoma,"Vazirmatn",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
	direction:rtl;
	box-sizing:border-box;
}
.btcs-root *,.btcs-promo-root *,.btcs-topbar *{box-sizing:border-box}
.btcs-root button,.btcs-promo-root button,.btcs-topbar button,.btcs-root input,.btcs-root textarea{font:inherit}
.btcs-root svg,.btcs-promo-root svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btcs-floating{position:fixed;bottom:22px;z-index:999998}
.btcs-pos-left{left:22px}.btcs-pos-right{right:22px}
.btcs-launcher{display:flex;align-items:center;gap:9px;border:0;border-radius:999px;padding:11px 16px;color:#fff;background:linear-gradient(135deg,var(--btcs-primary),var(--btcs-secondary));box-shadow:0 12px 30px rgba(15,118,110,.28);cursor:pointer}
.btcs-launcher svg{width:27px;height:27px}.btcs-launcher span{font-weight:700}
.btcs-panel{position:absolute;bottom:66px;width:410px;max-width:calc(100vw - 28px);height:690px;max-height:calc(100vh - 90px)}
.btcs-pos-left .btcs-panel{left:0}.btcs-pos-right .btcs-panel{right:0}
.btcs-chat-shell{display:flex;flex-direction:column;width:100%;height:100%;overflow:hidden;background:#fff;color:var(--btcs-text);border-radius:22px;box-shadow:0 20px 60px rgba(15,23,42,.22);border:1px solid rgba(15,118,110,.12)}
.btcs-header{min-height:82px;padding:15px 17px;display:flex;align-items:center;gap:12px;color:#fff;background:linear-gradient(135deg,var(--btcs-primary),var(--btcs-secondary))}
.btcs-header img,.btcs-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;background:rgba(255,255,255,.18);display:grid;place-items:center;border:2px solid rgba(255,255,255,.55)}
.btcs-avatar svg{width:27px;height:27px}.btcs-header>div{display:flex;flex-direction:column;gap:4px;min-width:0}
.btcs-header strong{font-size:15px}.btcs-header small{display:flex;align-items:center;gap:6px;opacity:.9;font-size:11px}
.btcs-header small i{width:7px;height:7px;border-radius:50%;background:#86efac;box-shadow:0 0 0 3px rgba(134,239,172,.18)}
.btcs-agent-stack{display:flex;direction:ltr;margin-right:auto}.btcs-agent-stack i{width:31px;height:31px;margin-right:-9px;border-radius:50%;border:2px solid rgba(255,255,255,.9);background:linear-gradient(135deg,#fde68a,#f97316)}
.btcs-agent-stack i:nth-child(2){background:linear-gradient(135deg,#bfdbfe,#2563eb)}.btcs-agent-stack i:nth-child(3){background:linear-gradient(135deg,#bbf7d0,#16a34a)}
.btcs-close,.btcs-home{flex:0 0 34px;width:34px;height:34px;border-radius:50%;border:0;background:rgba(255,255,255,.14);color:#fff;font-size:25px;cursor:pointer;display:grid;place-items:center}
.btcs-home{font-size:14px}.btcs-home svg{width:18px;height:18px}
.btcs-body{display:flex;flex-direction:column;flex:1;min-height:0;background:#f8fafc}
.btcs-messages{flex:1;overflow-y:auto;padding:18px 15px;display:flex;flex-direction:column;gap:10px;background:linear-gradient(rgba(248,250,252,.94),rgba(248,250,252,.94)),radial-gradient(circle at 10px 10px,rgba(15,118,110,.14) 1px,transparent 1.5px);background-size:auto,22px 22px}
.btcs-message{max-width:83%;padding:10px 13px;border-radius:15px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.75;box-shadow:0 2px 7px rgba(15,23,42,.05)}
.btcs-incoming{align-self:flex-end;background:#fff;border:1px solid #e5e7eb;border-bottom-right-radius:4px}
.btcs-outgoing{align-self:flex-start;background:var(--btcs-primary);color:#fff;border-bottom-left-radius:4px}
.btcs-composer{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;background:#fff;border-top:1px solid #e5e7eb}
.btcs-composer textarea{flex:1;min-height:43px;max-height:110px;resize:none;border:1px solid #dbe3e6;border-radius:13px;padding:10px 12px;outline:none;color:#1f2937;background:#f8fafc}
.btcs-composer textarea:focus{border-color:var(--btcs-secondary);box-shadow:0 0 0 3px color-mix(in srgb,var(--btcs-secondary) 15%,transparent)}
.btcs-composer button{width:43px;height:43px;display:grid;place-items:center;border:0;border-radius:13px;color:#fff;background:var(--btcs-primary);cursor:pointer}
.btcs-composer .btcs-emoji{width:30px;background:transparent;color:#94a3b8;font-size:22px;padding:0}
.btcs-composer button:disabled{opacity:.55}.btcs-composer svg{width:20px;height:20px;transform:scaleX(-1)}
.btcs-chat-status,.btcs-form-status{min-height:0;padding:0 13px 8px;color:#b91c1c;font-size:11px;background:#fff}
.btcs-prechat{padding:18px;overflow-y:auto;display:flex;flex-direction:column;gap:11px;height:100%;background:#fff}
.btcs-welcome,.btcs-form-heading p{margin:0 0 4px;color:#64748b;line-height:1.8;font-size:13px}
.btcs-form-heading{text-align:center}.btcs-form-heading h3{margin:0 0 8px;font-size:21px;color:var(--btcs-text)}
.btcs-prechat>label:not(.btcs-consent){display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700;color:#334155}
.btcs-prechat input[type="text"],.btcs-prechat input[type="email"],.btcs-prechat input:not([type]){width:100%;height:43px;border:1px solid #dbe3e6;border-radius:11px;padding:0 11px;background:#f8fafc;outline:none}
.btcs-prechat input:focus{border-color:var(--btcs-secondary)}
.btcs-prechat fieldset{padding:0;border:0;margin:2px 0}.btcs-prechat legend{font-size:12px;font-weight:700;margin-bottom:7px}
.btcs-channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.btcs-channel-choice input{position:absolute;opacity:0;pointer-events:none}
.btcs-channel-choice span{display:flex;align-items:center;justify-content:center;gap:7px;border:1px solid #dbe3e6;border-radius:11px;padding:9px;background:#fff;cursor:pointer;font-size:12px}
.btcs-channel-choice svg{width:19px;height:19px}
.btcs-channel-choice input:checked+span{border-color:var(--btcs-primary);color:var(--btcs-primary);background:color-mix(in srgb,var(--btcs-primary) 7%,white);box-shadow:0 0 0 2px color-mix(in srgb,var(--btcs-primary) 12%,transparent)}
.btcs-consent{display:flex;align-items:flex-start;gap:7px;font-size:10px!important;font-weight:400!important;line-height:1.7;color:#64748b}
.btcs-consent input{margin-top:4px}
.btcs-primary-button{border:0;border-radius:12px;padding:12px 17px;color:#fff;background:linear-gradient(135deg,var(--btcs-primary),var(--btcs-secondary));font-weight:700;cursor:pointer}
.btcs-primary-button:disabled{opacity:.5;cursor:not-allowed}
.btcs-success{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;padding:28px;background:#fff}
.btcs-success>svg{width:58px;height:58px;padding:12px;border-radius:50%;color:#15803d;background:#dcfce7}
.btcs-success h3{font-size:16px;line-height:1.8}
.btcs-mode-screen{height:100%;overflow:auto;padding:24px 18px;display:flex;flex-direction:column;background:linear-gradient(180deg,color-mix(in srgb,var(--btcs-primary) 7%,#fff),#f8fafc)}
.btcs-mode-intro{text-align:center;padding:13px 10px 22px}.btcs-mode-intro>span{width:58px;height:58px;margin:0 auto 13px;display:grid;place-items:center;border-radius:19px;color:#fff;background:linear-gradient(135deg,var(--btcs-primary),var(--btcs-secondary));box-shadow:0 12px 28px color-mix(in srgb,var(--btcs-primary) 24%,transparent)}
.btcs-mode-intro>span svg{width:30px;height:30px}.btcs-mode-intro h2{margin:0 0 7px;font-size:21px;color:var(--btcs-text)}.btcs-mode-intro p{margin:0;color:#64748b;font-size:13px}
.btcs-mode-options{display:flex;flex-direction:column;gap:12px}.btcs-mode-card{width:100%;padding:16px;display:flex;align-items:center;gap:13px;text-align:right;border:1px solid #e2e8f0;border-radius:17px;background:#fff;color:var(--btcs-text);box-shadow:0 7px 20px rgba(15,23,42,.06);cursor:pointer;transition:.2s}
.btcs-mode-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--btcs-primary) 45%,#e2e8f0);box-shadow:0 12px 26px rgba(15,23,42,.1)}
.btcs-mode-icon{flex:0 0 48px;height:48px;display:grid;place-items:center;border-radius:15px;color:#fff;background:linear-gradient(135deg,#7c3aed,#a78bfa)}.btcs-operator-mode .btcs-mode-icon{background:linear-gradient(135deg,var(--btcs-primary),var(--btcs-secondary))}
.btcs-mode-card>span:nth-child(2){display:flex;flex:1;flex-direction:column;gap:5px}.btcs-mode-card strong{font-size:14px}.btcs-mode-card small{color:#64748b;font-size:11px;line-height:1.6}.btcs-mode-card>svg{width:18px;height:18px;color:#94a3b8}
.btcs-mode-note{margin-top:auto;padding-top:24px;display:flex;align-items:center;justify-content:center;gap:7px;color:#94a3b8;font-size:10px}.btcs-mode-note i{width:7px;height:7px;border-radius:50%;background:#22c55e}
.btcs-smart-loading{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:25px;text-align:center}.btcs-smart-loading>span{width:58px;height:58px;padding:14px;border-radius:20px;color:#7c3aed;background:#ede9fe}.btcs-smart-loading>span svg{width:30px;height:30px}.btcs-smart-error{color:#991b1b}
.btcs-smart-menu{max-height:58%;overflow-y:auto;padding:14px 13px 11px;background:#f8fafc;border-bottom:1px solid #e5e7eb}.btcs-smart-menu>p{margin:0 0 9px;text-align:center;color:#475569;font-size:12px}
.btcs-smart-menu>div{padding:11px;border-radius:17px;background:#fff;border:1px solid #e5e7eb;box-shadow:0 5px 17px rgba(15,23,42,.07)}
.btcs-smart-menu>div button{width:100%;min-height:35px;margin:0 0 6px;padding:7px 12px;display:flex;align-items:center;justify-content:space-between;gap:7px;border:0;border-radius:8px;text-align:right;color:#fff;background:linear-gradient(90deg,var(--btcs-primary),var(--btcs-secondary));cursor:pointer;font-size:11px}
.btcs-smart-menu>div button:last-child{margin-bottom:0}.btcs-smart-menu>div button svg{width:15px;height:15px}.btcs-smart-menu>div button:disabled{opacity:.55}
.btcs-switch-operator{width:100%;margin-top:9px;padding:9px 12px;display:flex;align-items:center;justify-content:center;gap:8px;border:1px solid color-mix(in srgb,var(--btcs-primary) 25%,#e2e8f0);border-radius:10px;color:var(--btcs-primary);background:#fff;cursor:pointer;font-size:11px;font-weight:700}.btcs-switch-operator svg{width:18px;height:18px}
.btcs-center{max-width:1040px;margin:0 auto}.btcs-center .btcs-chat-shell{max-width:760px;margin:0 auto}.btcs-center .btcs-mode-screen{padding:38px}.btcs-center .btcs-mode-options{display:grid;grid-template-columns:1fr 1fr}
.btcs-inline{width:100%;min-height:420px}.btcs-inline .btcs-chat-shell{border-radius:18px}.btcs-inline .btcs-body{min-height:0}
.btcs-form-only{width:100%;max-width:560px;margin:0 auto;border:1px solid #e5e7eb;border-radius:20px;overflow:hidden;box-shadow:0 12px 35px rgba(15,23,42,.08)}
.btcs-social-buttons{display:flex;flex-wrap:wrap;gap:10px}
.btcs-social-buttons button{display:flex;align-items:center;gap:9px;border:1px solid color-mix(in srgb,var(--btcs-primary) 22%,#e5e7eb);border-radius:13px;padding:11px 16px;background:#fff;color:var(--btcs-primary);cursor:pointer}
.btcs-social-buttons svg{width:21px;height:21px}
.btcs-topbar{position:relative;width:100%;z-index:999997;color:#fff;background:linear-gradient(90deg,var(--btcs-primary),var(--btcs-secondary))}
.btcs-topbar-inner{max-width:1200px;min-height:46px;padding:7px 18px;margin:auto;display:flex;align-items:center;justify-content:center;gap:18px;font-size:13px;text-align:center}
.btcs-topbar button{border:1px solid rgba(255,255,255,.55);border-radius:999px;padding:6px 13px;background:#fff;color:var(--btcs-primary);font-weight:700;cursor:pointer}
.btcs-topbar .btcs-topbar-close{position:absolute;left:12px;width:29px;height:29px;padding:0;font-size:19px;background:rgba(255,255,255,.12);color:#fff;border:0}
.btcs-promo-root{position:fixed;bottom:94px;z-index:999997;max-width:340px;opacity:0;transform:translateY(15px);transition:.25s ease}
.btcs-promo-root.btcs-pos-left{left:22px}.btcs-promo-root.btcs-pos-right{right:22px}
.btcs-promo-show{opacity:1;transform:none}
.btcs-promo{position:relative;display:flex;align-items:flex-start;gap:12px;padding:17px;background:#fff;color:var(--btcs-text);border:1px solid color-mix(in srgb,var(--btcs-primary) 20%,#e5e7eb);border-radius:18px;box-shadow:0 16px 45px rgba(15,23,42,.18)}
.btcs-promo-icon{flex:0 0 45px;height:45px;border-radius:14px;display:grid;place-items:center;color:#fff;background:var(--btcs-primary)}
.btcs-promo strong{font-size:14px}.btcs-promo p{margin:5px 0 10px;font-size:11px;line-height:1.7;color:#64748b}
.btcs-promo-action{border:0;border-radius:9px;padding:7px 11px;color:#fff;background:var(--btcs-primary);cursor:pointer;font-size:11px}
.btcs-promo-close{position:absolute;left:6px;top:5px;border:0;background:transparent;color:#94a3b8;font-size:19px;cursor:pointer}
/* Visual templates */
.btcs-theme-classic .btcs-chat-shell{border-radius:7px;border:2px solid var(--btcs-primary);box-shadow:0 8px 25px rgba(0,0,0,.18)}
.btcs-theme-classic .btcs-header{background:var(--btcs-primary)}.btcs-theme-classic .btcs-message,.btcs-theme-classic .btcs-composer textarea{border-radius:5px}
.btcs-theme-glass .btcs-chat-shell{background:rgba(255,255,255,.82);backdrop-filter:blur(18px);border-color:rgba(255,255,255,.65)}
.btcs-theme-glass .btcs-body,.btcs-theme-glass .btcs-messages{background:rgba(248,250,252,.72)}
.btcs-theme-minimal .btcs-chat-shell{border-radius:14px;box-shadow:0 8px 25px rgba(15,23,42,.12)}
.btcs-theme-minimal .btcs-header{background:#fff;color:var(--btcs-text);border-bottom:2px solid var(--btcs-primary)}
.btcs-theme-minimal .btcs-header small{color:#64748b}.btcs-theme-minimal .btcs-avatar{color:var(--btcs-primary);background:#ecfdf5;border:0}
.btcs-theme-dark .btcs-chat-shell{background:#111827;color:#f8fafc;border-color:#334155}
.btcs-theme-dark .btcs-body,.btcs-theme-dark .btcs-messages{background:#0f172a}.btcs-theme-dark .btcs-incoming{background:#1e293b;color:#f8fafc;border-color:#334155}
.btcs-theme-dark .btcs-composer,.btcs-theme-dark .btcs-chat-status{background:#111827;border-color:#334155}
.btcs-theme-dark .btcs-composer textarea{background:#1e293b;color:#fff;border-color:#334155}
.btcs-theme-dark .btcs-prechat{background:#111827;color:#f8fafc}.btcs-theme-dark .btcs-prechat>label,.btcs-theme-dark .btcs-form-heading h3{color:#f8fafc}
.btcs-theme-dark .btcs-prechat input{background:#1e293b!important;color:#fff;border-color:#334155!important}
@media(max-width:600px){
	.btcs-floating{left:14px!important;right:14px!important;bottom:14px}
	.btcs-pos-right .btcs-launcher{margin-right:auto}.btcs-panel{position:fixed;inset:10px;width:auto;max-width:none;height:auto;max-height:none}
	.btcs-chat-shell{border-radius:18px}.btcs-promo-root{left:14px!important;right:14px!important;max-width:none;bottom:82px}
	.btcs-topbar-inner{padding-left:45px;flex-wrap:wrap;gap:7px}.btcs-topbar-inner>span{width:100%}
	.btcs-center .btcs-mode-screen{padding:22px 14px}
	.btcs-center .btcs-mode-options{display:flex;flex-direction:column}
	.btcs-mode-card{min-width:0}
}
@media(prefers-reduced-motion:reduce){.btcs-promo-root{transition:none}}