.chlc-root{--chlc:#1f7346;position:fixed;bottom:20px;z-index:99990;font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
.chlc-left{left:20px}.chlc-right{right:20px}
.chlc-btn{width:60px;height:60px;border-radius:50%;border:0;background:var(--chlc);box-shadow:0 6px 20px rgba(0,0,0,.25);cursor:pointer;display:flex;align-items:center;justify-content:center;position:relative;transition:transform .2s;padding:0}
.chlc-btn:hover{transform:scale(1.06)}
.chlc-dot{position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;background:#ff3b30;border:2px solid #fff}
.chlc-box{position:absolute;bottom:76px;width:370px;max-width:calc(100vw - 24px);height:560px;max-height:calc(100vh - 110px);background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.22);display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(12px) scale(.98);pointer-events:none;transition:opacity .2s,transform .2s}
.chlc-left .chlc-box{left:0}.chlc-right .chlc-box{right:0}
.chlc-open .chlc-box{opacity:1;transform:none;pointer-events:auto}
.chlc-head{background:var(--chlc);color:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center}
.chlc-t{font-weight:700;font-size:15px}.chlc-s{font-size:12px;opacity:.85}
.chlc-s i{display:inline-block;width:8px;height:8px;border-radius:50%;background:#34c759;margin-right:6px}
.chlc-x{background:none;border:0;color:#fff;font-size:26px;line-height:1;cursor:pointer;padding:0 4px;margin:0;min-height:0}
.chlc-body{flex:1;overflow-y:auto;padding:14px;background:#f5f6f8;display:flex;flex-direction:column;gap:8px}
.chlc-m{max-width:84%;padding:9px 12px;border-radius:14px;word-wrap:break-word;white-space:normal}
.chlc-a{background:#fff;color:#1c1c1e;align-self:flex-start;border-bottom-left-radius:4px;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.chlc-u{background:var(--chlc);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chlc-u a{color:#fff}.chlc-a a{color:#0a66c2}
.chlc-typing span{display:inline-block;width:7px;height:7px;margin:0 2px;border-radius:50%;background:#999;animation:chlcb 1s infinite}
.chlc-typing span:nth-child(2){animation-delay:.15s}.chlc-typing span:nth-child(3){animation-delay:.3s}
@keyframes chlcb{0%,60%,100%{opacity:.3;transform:none}30%{opacity:1;transform:translateY(-3px)}}
.chlc-form{display:flex;gap:8px;padding:10px;border-top:1px solid #eee;background:#fff;margin:0;align-items:flex-end}
.chlc-form textarea{flex:1;resize:none;border:1px solid #ddd;border-radius:20px;padding:9px 14px;font:inherit;max-height:110px;min-height:40px;margin:0;box-shadow:none;outline:none;line-height:1.4}
.chlc-form textarea:focus{border-color:var(--chlc)}
.chlc-form button{width:40px;height:40px;min-height:0;border-radius:50%;border:0;background:var(--chlc);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;margin:0;flex:none}
.chlc-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.chlc-foot{font-size:11px;color:#999;text-align:center;padding:0 10px 8px;background:#fff}
@media(max-width:480px){.chlc-root{bottom:14px}.chlc-left{left:14px}.chlc-right{right:14px}.chlc-box{position:fixed;left:8px!important;right:8px!important;bottom:84px;width:auto;max-width:none;height:calc(100vh - 100px)}}
.chlc-box{height:min(520px,calc(100vh - 120px))}
.chlc-open .chlc-btn svg{display:none}
.chlc-open .chlc-btn:after{content:"×";color:#fff;font-size:34px;line-height:1}
.chlc-open .chlc-dot{display:none}
@media(max-width:480px){.chlc-box{height:calc(100vh - 110px)}}
@media (max-width:849px){.chlc-root{bottom:80px!important}.chlc-box{bottom:144px!important;height:calc(100vh - 230px)!important}}

/* v1.1 kiểu Minh Anh */
.chlc-btn{width:62px;height:62px;box-shadow:0 4px 0 rgba(0,0,0,.18) inset,0 8px 24px rgba(0,0,0,.18)}
.chlc-btn{box-shadow:inset 0 -4px 0 rgba(0,0,0,.18),0 8px 24px rgba(0,0,0,.18)}
.chlc-dot{display:none}
.chlc-tz{position:absolute;bottom:80px;width:270px;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #e8e6e0;border-radius:20px;padding:12px 34px 12px 12px;box-shadow:0 10px 30px rgba(0,0,0,.10);cursor:pointer;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .3s,transform .3s}
.chlc-right .chlc-tz{right:0}.chlc-left .chlc-tz{left:0}
.chlc-tz-on .chlc-tz{opacity:1;transform:none;pointer-events:auto}
.chlc-open .chlc-tz{display:none}
.chlc-av{width:46px;height:46px;border-radius:50%;object-fit:cover;flex:none;margin:0}
.chlc-tz-tx{display:flex;flex-direction:column;line-height:1.35}
.chlc-tz-tx b{color:#14213d;font-size:15px}.chlc-tz-tx span{color:#5f6673;font-size:14px}
.chlc-tz-x{position:absolute;top:50%;right:8px;transform:translateY(-50%);background:none!important;border:0;color:#4a5260;font-size:22px;line-height:1;cursor:pointer;padding:2px 4px;margin:0;min-height:0}
.chlc-hl{display:flex;align-items:center;gap:10px}
.chlc-head .chlc-av{width:40px;height:40px;border:2px solid rgba(255,255,255,.7)}
.chlc-u{background:var(--chlc)}
@media (max-width:849px){.chlc-tz{bottom:72px}}
.chlc-tz{width:auto;max-width:calc(100vw - 32px);bottom:88px}.chlc-tz-tx span{white-space:nowrap;color:#7a808b}
@media (max-width:849px){.chlc-tz{bottom:80px}}
.chlc-form input:focus,.chlc-form textarea:focus{border-color:var(--chlc)!important;outline:0;box-shadow:0 0 0 2px rgba(31,115,70,.15)!important}
@media (max-width:370px){.chlc-tz-tx span{white-space:normal}}

/* v1.2 khung chat kiểu Aichatweb */
.chlc-root{--chlc:#1f6f43}
.chlc-box{width:360px;border-radius:14px;box-shadow:0 10px 32px rgba(0,0,0,.16);border:0;overflow:hidden}
.chlc-head{background:#134a2c!important;padding:12px 10px 12px 14px;min-height:60px;box-sizing:border-box}
.chlc-head .chlc-av{width:38px;height:38px;border:2px solid rgba(255,255,255,.55)}
.chlc-t{font-size:15px;font-weight:600;color:#fff}
.chlc-s{font-size:12px;color:#cfe0d5;opacity:1}.chlc-s i{background:#4ade80!important}
.chlc-hb{display:flex;gap:4px}
.chlc-hb button{background:none!important;border:0;color:#fff;width:36px;height:36px;min-height:0;padding:0;margin:0;display:flex;align-items:center;justify-content:center;border-radius:8px;cursor:pointer;opacity:.9;font-size:0;line-height:0}
.chlc-hb button:hover{background:rgba(255,255,255,.12)!important;opacity:1}
.chlc-body{background:#f4f5fa;padding:14px 14px 10px;gap:10px}
.chlc-m{font-size:14px;line-height:1.5;padding:10px 13px;border-radius:12px!important;max-width:78%}
.chlc-aw{align-self:flex-start;max-width:82%;display:flex;flex-direction:column;gap:5px}
.chlc-aw .chlc-m{max-width:100%}
.chlc-a{background:#fff;border:1px solid #e3e6ee;box-shadow:none;color:#1f2937}
.chlc-u{background:#0e1a3f!important;color:#fff}
.chlc-typing{align-self:flex-start}
.chlc-fb{display:flex;gap:6px}
.chlc-fb button{width:27px;height:27px;min-height:0;padding:0;margin:0;border:1px solid #e3e6ee;border-radius:7px;background:#fff!important;color:#6b7280;display:flex;align-items:center;justify-content:center;cursor:pointer}
.chlc-fb button:hover{color:#134a2c;border-color:#b9cfc1}
.chlc-fb button.on{color:#fff;background:#1f6f43!important;border-color:#1f6f43}
.chlc-q{display:flex;gap:6px;padding:9px 10px;background:#fff;border-top:1px solid #e5e7eb}
.chlc-q a{flex:1;display:flex;align-items:center;justify-content:center;gap:5px;height:34px;border-radius:999px;background:#f1f3f9;border:1px solid #e2e5ee;color:#1f2937!important;font-size:12.5px;font-weight:500;text-decoration:none!important;white-space:nowrap}
.chlc-q a:hover{background:#e8ebf4}
.chlc-zl{color:#0068ff;font-weight:800;font-size:12.5px}
.chlc-form{border-top:1px solid #e5e7eb;padding:9px 10px;align-items:center}
.chlc-form textarea{background:#f4f5fa;border:1.5px solid #e2e5ee;border-radius:22px;min-height:42px;padding:10px 15px;font-size:14px}
.chlc-form textarea:focus,.chlc-form input:focus{border-color:#fdba8c!important;box-shadow:0 0 0 3px rgba(253,186,140,.25)!important;background:#fff}
.chlc-form button{width:42px;height:42px;background:#1f6f43}
.chlc-foot{display:none}
.chlc-btn{background:#1f6f43;box-shadow:0 4px 0 #14532d,0 10px 24px rgba(0,0,0,.18)}
@media (max-width:480px){.chlc-box{width:auto}}

/* v1.3 khớp mẫu mobile Aichatweb */
.chlc-box{height:min(600px,calc(100vh - 120px))}
.chlc-head{min-height:62px;padding:11px 8px 11px 14px}
.chlc-head .chlc-av{width:38px;height:38px}
.chlc-t{font-size:17px}.chlc-s{font-size:13px;display:flex;align-items:center;gap:6px}
.chlc-s i{width:8px;height:8px;border-radius:50%;display:inline-block;margin:0}
.chlc-body{background:#f4f6fb;padding:16px 14px 12px;gap:12px;scrollbar-width:thin;scrollbar-color:#c7c9ce transparent}
.chlc-m{font-size:15px;line-height:1.45;padding:11px 14px}
.chlc-a{border-radius:14px!important}
.chlc-u{border-radius:14px 14px 4px 14px!important;background:#0f1b3d!important;max-width:75%}
.chlc-aw{max-width:78%}
.chlc-fb button{width:28px;height:28px;border-radius:8px}
.chlc-pic{padding:4px!important;background:#0f1b3d}
.chlc-pic img{display:block;max-width:200px;max-height:220px;border-radius:10px}
.chlc-q{gap:6px;padding:8px 10px;border-bottom:1px solid #eef0f4}
.chlc-q a{height:38px;font-size:14px;background:#f3f4f8;border-color:#e3e5ea}
.chlc-form{gap:7px;padding:10px 10px 12px}
.chlc-img{flex:none;width:42px;height:42px;border-radius:50%;background:#f1f3f9;border:1px solid #e5e7eb;color:#0f1b3d;display:flex;align-items:center;justify-content:center;cursor:pointer;margin:0}
.chlc-img:hover{background:#e8ebf4}
.chlc-form textarea{min-height:44px;font-size:16px;border:1.5px solid #e5e7eb;padding:10px 16px;resize:none}
.chlc-form button[type=submit]{flex:none;width:42px;height:42px;border-radius:50%;background:#1e6b3e}
.chlc-btn{width:58px;height:58px}
/* mobile: thẻ gần full ngang, nút X nằm dưới thẻ cách 10px */
@media (max-width:849px){
 .chlc-box{position:fixed!important;left:6px!important;right:6px!important;width:auto!important;max-width:none!important;bottom:calc(80px + 58px + 10px)!important;height:calc(100vh - 148px - 12px)!important;max-height:640px;top:auto}
 .chlc-right{right:10px}
}
@media (max-width:849px){.chlc-box{bottom:162px!important;height:calc(100vh - 174px)!important}}
.chlc-form textarea{overflow-y:hidden;scrollbar-width:none}.chlc-form textarea::-webkit-scrollbar{display:none}
.chlc-pic{padding:3px!important;background:#0f1b3d!important;border-radius:14px!important}.chlc-pic img{border-radius:11px}
/* v1.3.3 hàng nhập: 3 phần cao bằng nhau 42px, căn giữa */
.chlc-form{display:flex;align-items:center!important;gap:8px}
.chlc-img{width:42px;height:42px;color:#1e293b;background:#f3f4f6;border:1px solid #e5e7eb;box-sizing:border-box}
.chlc-form textarea{height:42px;min-height:42px;max-height:110px;box-sizing:border-box;padding:10px 16px;line-height:20px;background:#f5f5fa;margin:0}
.chlc-form button[type=submit]{width:42px;height:42px;box-sizing:border-box;margin:0;padding:0;display:flex;align-items:center;justify-content:center}
.chlc-form textarea{resize:none!important;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none}
/* v1.3.5 mobile: thẻ nhỏ góc phải như mẫu Aichatweb (~78% ngang, ~60% cao) */
@media (max-width:849px){.chlc-box{left:auto!important;right:12px!important;width:min(320px,calc(100vw - 24px))!important;height:min(440px,calc(100vh - 240px))!important;max-height:none}}
/* v1.3.6 mobile = đúng kích thước aichatweb.net: 340x460, cách nút tròn 12px, mép phải thẳng nút */
@media (max-width:849px){.chlc-box{left:auto!important;right:0!important;width:min(340px,calc(100vw - 40px))!important;height:min(460px,calc(100vh - 190px))!important;bottom:70px!important;border-radius:12px!important}}
.chlc-zli{width:16px;height:16px;object-fit:contain;display:block;flex:none}
/* v1.3.7 mobile: hộp fixed theo viewport — mép phải thẳng nút tròn, đáy cách nút 12px */
@media (max-width:849px){.chlc-box{right:26px!important;bottom:150px!important;width:min(340px,calc(100vw - 40px))!important;height:min(460px,calc(100vh - 220px))!important}}
@media (max-width:849px){.chlc-box{bottom:164px!important;height:min(460px,calc(100vh - 230px))!important}}
/* v1.4.0 khớp số đo aichatweb.net (desktop 1440, đo 09/11): thẻ 340x460 r12; header 60, avatar 36, tên 14/600, trạng thái 11;
   bong bóng 13px pad 8x12; nút nhanh cao 36 chữ 12/500; hàng nhập 40px, input 14px; cách nút tròn 12px */
.chlc-box{width:340px;height:min(460px,calc(100vh - 120px));bottom:70px;border-radius:12px}
.chlc-head{min-height:60px;padding:12px 8px 12px 16px;gap:12px}
.chlc-head img,.chlc-av{width:36px!important;height:36px!important}
.chlc-t{font-size:14px!important;font-weight:600;line-height:20px!important}
.chlc-s{font-size:11px!important;line-height:14px!important;color:rgba(255,255,255,.75)!important}
.chlc-body{padding:16px!important;background:#f7f8fc!important}
.chlc-m{font-size:13px!important;line-height:1.375!important;padding:8px 12px!important}
.chlc-m.chlc-a{border-radius:2px 12px 12px 12px!important;color:#1a1a1a}
.chlc-m.chlc-u{border-radius:12px 2px 12px 12px!important;background:#081c45!important;color:#fff!important}
.chlc-fb button{width:28px!important;height:28px!important;border-radius:9px!important}
.chlc-fb svg{width:15px;height:15px}
.chlc-q{padding:8px 12px!important;gap:6px!important;border-top:1px solid #eaecef}
.chlc-q a{height:36px!important;font-size:12px!important;font-weight:500!important;line-height:18px!important;color:#081c45!important;background:#f7f8fc!important}
.chlc-q a svg{width:14px!important;height:14px!important}.chlc-zli{width:18px!important;height:18px!important}
.chlc-form{padding:12px!important;gap:8px!important;border-top:1px solid #eaecef}
.chlc-img,.chlc-form button[type=submit]{width:40px!important;height:40px!important}
.chlc-form textarea{height:40px;min-height:40px!important;font-size:14px!important;line-height:20px!important;padding:10px 16px!important;background:#f7f8fc!important;border-radius:9999px}
@media (max-width:849px){.chlc-form textarea{font-size:16px!important;padding:9px 16px!important}}
/* v1.4.1: nút tròn 56px như mẫu; desktop thẻ cách nút 12px (trước đè 2px) */
.chlc-btn{width:56px!important;height:56px!important}
@media (min-width:850px){.chlc-box{bottom:82px!important}}
.chlc-form textarea{box-sizing:border-box!important;height:40px}
/* v1.4.2 mobile theo ảnh mẫu iPhone aichatweb: thẻ ~300px nằm góc phải, chừa trang bên trái + phía trên */
@media (max-width:849px){.chlc-box{width:min(300px,calc(100vw - 80px))!important;height:min(420px,calc(100vh - 260px),calc(100svh - 260px))!important;min-height:300px}}
/* v1.4.3 nút tròn bị méo: theme Flatsome đè min-height/line-height/margin lên <button>, bóng đổ lệch 4px phía dưới làm nhìn như hình bầu, dấu "×" là chữ font theme lệch tâm.
   → khoá tròn tuyệt đối, bóng đều, dấu X vẽ bằng SVG nét đều căn giữa */
.chlc-btn{width:56px!important;height:56px!important;min-width:56px!important;max-width:56px!important;min-height:56px!important;max-height:56px!important;aspect-ratio:1/1;flex:none!important;margin:0!important;padding:0!important;line-height:0!important;border-radius:50%!important;box-sizing:border-box!important;box-shadow:0 6px 18px rgba(0,0,0,.22)!important;text-transform:none;letter-spacing:0;vertical-align:middle}
.chlc-btn svg{width:28px;height:28px;display:block}
.chlc-open .chlc-btn:after{content:""!important;width:22px;height:22px;display:block;font-size:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.6' stroke-linecap='round'%3E%3Cpath d='M5 5l14 14M19 5L5 19'/%3E%3C/svg%3E") center/22px 22px no-repeat}
/* v1.4.4 nút theo ảnh mẫu anh gửi: đóng = tròn xanh đậm khối 3D (gờ đậm dưới đáy, bóng mềm); mở = tròn, chữ X trắng, bóng mềm. Vẫn tròn tuyệt đối. */
.chlc-btn{background:#1f6b3a!important;box-shadow:0 4px 0 #17522c,0 10px 22px rgba(0,0,0,.20)!important;margin-bottom:4px!important}
.chlc-btn svg{width:26px;height:26px;stroke-width:2.2}
.chlc-open .chlc-btn{background:#227044!important;box-shadow:0 6px 18px rgba(0,0,0,.22)!important}
/* v1.5.8: nút X thành phần tử flex riêng, không absolute → không bao giờ đè chữ (theme Flatsome ép padding/width cho button) */
.chlc-tz{padding:12px 8px 12px 12px!important}
.chlc-tz-tx{flex:1 1 auto;min-width:0}
.chlc-tz-x{position:static!important;transform:none!important;flex:0 0 26px;width:26px!important;height:26px!important;min-width:0!important;padding:0!important;margin:0 0 0 2px!important;display:flex!important;align-items:center;justify-content:center;align-self:flex-start;font-size:20px!important;line-height:1!important;border-radius:50%!important;box-shadow:none!important;text-transform:none!important;letter-spacing:0!important}
.chlc-tz-x:hover{background:#f1f1ee!important}
/* v1.5.9: bỏ bóng đặc lệch xuống 4px (làm nút trông bầu dục) → nút tròn đều */
.chlc .chlc-btn,.chlc-btn.chlc-btn{box-shadow:0 6px 18px rgba(0,0,0,.22)!important}
/* v1.6.0: hiệu ứng lan toả nhẹ giống nút gọi (wm-ripple: 2 vòng, 2s, lệch 1s) */
@keyframes chlc-ripple{0%{transform:scale(1);opacity:.5}100%{transform:scale(1.8);opacity:0}}
.chlc-btn{overflow:visible!important}
.chlc-root:not(.chlc-open) .chlc-btn::before,.chlc-root:not(.chlc-open) .chlc-btn::after{content:"";position:absolute;inset:0;border-radius:50%;background:#1f6b3a;z-index:-1;pointer-events:none;animation:chlc-ripple 2s ease-out infinite}
.chlc-root:not(.chlc-open) .chlc-btn::after{animation-delay:1s}
@media (prefers-reduced-motion:reduce){.chlc-root .chlc-btn::before,.chlc-root:not(.chlc-open) .chlc-btn::after{animation:none;opacity:0}}