/* FIX09: Standalone, scoped customer support controls. No legacy rules overridden. */
.ddv-assist{position:fixed;z-index:165;right:22px;bottom:26px;display:flex;align-items:flex-end;flex-direction:column;gap:12px;font:inherit;isolation:isolate;pointer-events:none}
.ddv-assist>*{pointer-events:auto}
.ddv-assist-menu,.ddv-assist-chat-window{position:absolute;bottom:45px;right:0}
.ddv-assist[data-placement^="left"] .ddv-assist-menu,.ddv-assist[data-placement^="left"] .ddv-assist-chat-window{left:0;right:auto}
.ddv-assist[data-has-launcher="0"]{min-height:43px}
.ddv-assist[data-has-launcher="0"] .ddv-assist-top{position:static}
.ddv-assist[hidden],.ddv-assist [hidden]{display:none!important}
.ddv-assist[data-placement^="left"]{left:22px;right:auto;align-items:flex-start}
.ddv-assist[data-placement$="middle"]{top:50%;bottom:auto;transform:translateY(-50%)}
.ddv-assist button{cursor:pointer;font:inherit}.ddv-assist svg{width:23px;height:23px;flex-shrink:0}
.ddv-assist-launcher{position:relative;display:flex;align-items:center;justify-content:center;gap:4px;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 9px;min-width:56px;min-height:27px;background:linear-gradient(125deg,var(--assist-launcher),color-mix(in srgb,var(--assist-launcher) 78%,#142a41));color:white;box-shadow:0 14px 30px color-mix(in srgb,var(--assist-launcher) 28%,transparent),0 3px 8px #0002;font-weight:850;letter-spacing:.01em;transition:transform .2s,box-shadow .2s}
.ddv-assist-launcher-icon{display:grid;place-items:center}.ddv-assist-launcher svg{width:12px;height:12px}.ddv-assist-launcher strong{font-size:11px}.ddv-assist-launcher .ddv-assist-indicator{width:4px;height:4px}
.ddv-assist-launcher:hover,.ddv-assist-launcher:focus-visible{transform:translateY(-3px);box-shadow:0 18px 35px color-mix(in srgb,var(--assist-launcher) 38%,transparent)}
.ddv-assist-indicator{width:7px;height:7px;border-radius:50%;background:#a1ffd7;box-shadow:0 0 0 3px #ffffff24}
.ddv-assist[data-motion="soft"] .ddv-assist-launcher:before{content:"";position:absolute;inset:-6px;border:1px solid color-mix(in srgb,var(--assist-launcher) 45%,transparent);border-radius:999px;animation:ddvAssistPulse 4s ease-out infinite;pointer-events:none}
@keyframes ddvAssistPulse{0%,55%,100%{opacity:0;transform:scale(1)}65%{opacity:.7}95%{opacity:0;transform:scale(1.16)}}
.ddv-assist-menu,.ddv-assist-chat-window{width:min(360px,calc(100vw - 24px));border:1px solid #dce7e3;border-radius:22px;background:#fff;color:#162b27;box-shadow:0 22px 75px #122b3040;overflow:hidden;animation:ddvAssistRise .2s ease-out}
@keyframes ddvAssistRise{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.ddv-assist-menu-header{display:flex;align-items:center;gap:12px;padding:18px 18px 14px;border-bottom:1px solid #e8efec;background:linear-gradient(125deg,#f0faf5,#f5f9fd)}
.ddv-assist-menu-header>span:nth-child(2){flex:1;min-width:0}.ddv-assist-menu-header strong,.ddv-assist-menu-header small{display:block}.ddv-assist-menu-header strong{font-size:16px;letter-spacing:-.3px}.ddv-assist-menu-header small{font-size:12px;color:#647771;margin-top:3px}
.ddv-assist-menu-symbol{width:39px;height:39px;border-radius:13px;display:grid;place-items:center;color:var(--assist-launcher);background:#fff;box-shadow:0 3px 12px #13543812}
.ddv-assist-menu-header button,.ddv-assist-chat-window header button{width:32px;height:32px;flex:0 0 32px;display:grid;place-items:center;background:#fff;color:#557067;border:1px solid #dce7e3;border-radius:10px;font-size:21px}
.ddv-assist-actions{display:grid;gap:7px;padding:12px}.ddv-assist-channel{display:flex;align-items:center;gap:12px;min-width:0;width:100%;padding:11px;border:1px solid #edf1ef;border-radius:14px;background:#fff;color:#18372d;text-decoration:none;text-align:left;transition:background .2s,border-color .2s,transform .2s}
.ddv-assist-channel:hover,.ddv-assist-channel:focus-visible{background:#f6faf8;border-color:#d7e9e0;transform:translateX(2px)}.ddv-assist-channel>span:nth-child(2){flex:1;min-width:0}.ddv-assist-channel b,.ddv-assist-channel small{display:block}.ddv-assist-channel b{font-size:13px;overflow-wrap:anywhere}.ddv-assist-channel small{color:#75847f;font-size:11px;margin-top:3px}.ddv-assist-channel i{font-style:normal;font-size:19px;color:#80988b}
.ddv-assist-channel-icon{display:grid;place-items:center;width:42px;height:42px;flex:0 0 42px;border-radius:13px;color:#fff}.ddv-assist-chat-icon{background:var(--assist-chat)}.ddv-assist-zalo-icon{background:var(--assist-zalo)}.ddv-assist-call-icon{background:var(--assist-call)}
.ddv-assist-menu footer{padding:10px 18px 15px;text-align:center;color:#84948f;font-size:11px}
.ddv-assist-chat-window{display:flex;flex-direction:column;height:min(530px,calc(100dvh - 135px))}
.ddv-assist-chat-window header{display:flex;align-items:center;gap:11px;padding:13px 14px;color:white;background:linear-gradient(135deg,var(--assist-chat),#113c38)}
.ddv-assist-chat-window header>span:nth-child(2){flex:1;min-width:0}.ddv-assist-chat-window header strong,.ddv-assist-chat-window header small{display:block}.ddv-assist-chat-window header strong{font-size:14px}.ddv-assist-chat-window header small{font-size:10px;color:#d5f5e7;margin-top:2px}.ddv-assist-avatar{display:grid;place-items:center;width:39px;height:39px;border:1px solid #ffffff55;border-radius:13px}
.ddv-assist-chat-messages{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:17px 14px;background:#f6f9f8;scrollbar-width:thin}
.ddv-assist-message{max-width:87%;align-self:flex-start;padding:10px 13px;background:white;border:1px solid #e5eeea;border-radius:15px 15px 15px 3px;font-size:13px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}
.ddv-assist-message.from-visitor{align-self:flex-end;border-color:transparent;border-radius:15px 15px 3px 15px;background:#d9f7e9;color:#114733}
.ddv-assist-chat-feedback{min-height:0;padding:0 14px;color:#90601d;font-size:11px}.ddv-assist-chat-feedback:not(:empty){padding:7px 14px;border-top:1px solid #f0ede5}
.ddv-assist-chat-form{display:flex;align-items:flex-end;gap:7px;margin:0;padding:11px 11px 4px;background:white;border-top:1px solid #e7efeb}
.ddv-assist-chat-form textarea{flex:1;min-width:0;max-height:95px;resize:vertical;border:1px solid #d7e6de;border-radius:13px;padding:11px;font:inherit;font-size:13px;color:#18372d;background:#fff;outline:none}.ddv-assist-chat-form textarea:focus{border-color:var(--assist-chat)}
.ddv-assist-chat-form button{display:grid;place-items:center;width:43px;height:43px;min-width:43px;border:0;border-radius:13px;background:var(--assist-chat);color:white}.ddv-assist-chat-form button:disabled{opacity:.5;cursor:wait}
.ddv-assist-chat-hint{display:block;padding:5px 14px 11px;color:#86938d;font-size:10px;text-align:center;background:white}
.ddv-assist-top{position:absolute;bottom:44px;right:0;display:grid;place-items:center;width:30px;height:30px;min-height:30px;border-radius:9px;border:1px solid #fff4;background:var(--assist-top);color:#fff;box-shadow:0 10px 20px #0002;transition:transform .2s}
.ddv-assist-top svg{width:16px;height:16px}.ddv-assist-top:hover{transform:translateY(-3px)}
.ddv-assist[data-placement^="left"] .ddv-assist-top:not([data-top-placement="opposite"]){left:0;right:auto}
.ddv-assist[data-placement^="left"] .ddv-assist-top[data-top-placement="opposite"]{position:absolute;left:calc(100vw - 100px);bottom:0}
.ddv-assist:not([data-placement^="left"]) .ddv-assist-top[data-top-placement="opposite"]{position:absolute;right:calc(100vw - 100px);bottom:0}
.ddv-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1024px){.ddv-assist{bottom:max(91px,calc(83px + env(safe-area-inset-bottom)));right:13px;top:auto!important;transform:none!important}.ddv-assist[data-mobile-side="left"]{left:13px;right:auto;align-items:flex-start}.ddv-assist[data-mobile-side="right"]{left:auto;right:13px;align-items:flex-end}.ddv-assist-launcher{min-width:30px;padding:6px 8px;min-height:26px}.ddv-assist-menu,.ddv-assist-chat-window{width:min(355px,calc(100vw - 26px))}}
@media(max-width:440px){.ddv-assist{bottom:max(80px,calc(74px + env(safe-area-inset-bottom)));right:8px}.ddv-assist[data-mobile-side="left"]{left:8px}.ddv-assist[data-mobile-side="right"]{right:8px}.ddv-assist-launcher{min-width:27px;min-height:25px;padding:5px 7px}.ddv-assist-launcher strong{font-size:10px}.ddv-assist-menu,.ddv-assist-chat-window{width:min(345px,calc(100vw - 16px))}.ddv-assist-chat-window{height:min(470px,calc(100dvh - 163px))}}
@media(prefers-reduced-motion:reduce){.ddv-assist *,.ddv-assist *:before{animation:none!important;transition:none!important}}

@media(max-width:1024px){.ddv-assist[data-mobile-side="left"] .ddv-assist-menu,.ddv-assist[data-mobile-side="left"] .ddv-assist-chat-window{left:0;right:auto}.ddv-assist[data-mobile-side="right"] .ddv-assist-menu,.ddv-assist[data-mobile-side="right"] .ddv-assist-chat-window{right:0;left:auto}}