.chat-toggle{position:fixed;right:24px;bottom:110px;z-index:80;border:0;border-radius:30px;background:#ff873a;color:#071522;padding:14px 22px;font:700 16px inherit;cursor:pointer;box-shadow:0 6px 24px #0005}
.mstad-chat{position:fixed;right:24px;bottom:174px;z-index:81;width:min(410px,calc(100vw - 24px));max-height:calc(100dvh - 200px);display:flex;flex-direction:column;background:#0b2033;color:#fff;border:1px solid #365066;border-top:3px solid #ff873a;border-radius:18px;box-shadow:0 16px 60px #0008;overflow:hidden;font:16px/1.5 sans-serif}
.mstad-chat[hidden]{display:none}.chat-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid #365066}.chat-head h2{font-size:22px;margin:0}.chat-close{color:#fff;background:none;border:0;font-size:30px;cursor:pointer;padding:0 8px}.chat-notice{font-size:13px;color:#c5d2dd;margin:10px 18px}.chat-messages{min-height:100px;overflow-y:auto;flex:1;padding:0 18px;overscroll-behavior:contain}.chat-message{padding:10px 0;border-bottom:1px solid #284154;overflow-wrap:anywhere}.chat-message p{white-space:pre-wrap;margin:4px 0}.chat-message time{font-size:12px;color:#b9c9d6;margin-left:8px}.chat-badge{color:#ff873a;font-size:12px;margin-left:8px}.chat-delete{background:none;color:#ffb884;border:1px solid #526878;border-radius:5px;padding:4px 8px;cursor:pointer;font-size:13px}.chat-form{padding:12px 18px;border-top:1px solid #365066;display:grid;gap:6px}.chat-form label{font-size:14px}.chat-form input,.chat-form textarea{width:100%;box-sizing:border-box;background:#071522;color:#fff;border:1px solid #526878;border-radius:8px;padding:9px;font:16px/1.4 sans-serif}.chat-form textarea{resize:vertical;min-height:62px;max-height:130px}.chat-send{background:#ff873a;color:#071522;border:0;border-radius:8px;padding:10px;font-size:16px;font-weight:bold;cursor:pointer}.chat-send:disabled{opacity:.55}.chat-status{font-size:13px;min-height:20px;margin:0}.chat-login{font-size:12px;color:#c5d2dd;text-align:right}.mstad-chat :focus-visible,.chat-toggle:focus-visible{outline:3px solid #ff873a;outline-offset:3px}
@media(max-width:600px){.chat-toggle{right:12px;bottom:calc(104px + env(safe-area-inset-bottom));padding:12px 18px}.mstad-chat{right:12px;bottom:calc(160px + env(safe-area-inset-bottom));max-height:calc(100dvh - 180px - env(safe-area-inset-bottom))}.chat-head{padding:10px 14px}.chat-form{padding:8px 14px}.chat-notice{margin:6px 14px}}
.chat-toggle.is-closed{background:#16354d;color:#d6e1eb;box-shadow:0 0 0 1px #526878,0 6px 24px #0005}.chat-availability{margin:12px 18px;color:#ffb884;font-size:14px}.chat-form[hidden],.chat-messages[hidden],.chat-notice[hidden]{display:none}