/* 3.21 · Chat público; estilos aislados de los formularios y del panel. */
.public-chat-fab{position:fixed;right:24px;bottom:24px;z-index:90;display:inline-flex;align-items:center;gap:10px;min-height:52px;border:1px solid #ffffff66;border-radius:16px;padding:14px 20px;background:#143d2d;color:#fff;font:600 14px/20px var(--md-font,"Roboto",system-ui);box-shadow:0 6px 24px #143d2d26;cursor:pointer}
.public-chat-fab::before{content:'';display:block;width:21px;height:21px;background:currentColor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 3h16a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H8l-6 4V5a2 2 0 0 1 2-2Zm0 2v14l3.4-2H20V5H4Zm3 4h10v2H7V9Zm0 4h7v2H7v-2Z'/%3E%3C/svg%3E") center/contain no-repeat}
.public-chat-fab:hover{background:#20583f;box-shadow:0 8px 28px #143d2d33}.public-chat-fab[data-unread=true]{background:#a7e369;color:#143d2d;border-color:#143d2d}.public-chat-fab[hidden],.public-chat-panel[hidden]{display:none}
.public-chat-panel{position:fixed;right:24px;bottom:24px;z-index:91;display:flex;flex-direction:column;width:390px;max-width:calc(100vw - 32px);height:610px;max-height:calc(100dvh - 40px);border:1px solid #ccdacd;border-radius:22px;box-shadow:0 16px 56px #143d2d33;background:#fff;color:#20382e;font:14px/1.5 var(--md-font,"Roboto",system-ui);overflow:hidden}
.public-chat-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;background:#143d2d;color:#fff;gap:12px}.public-chat-head strong{font-family:var(--md-font-display,"Poppins",system-ui);font-size:17px;font-weight:600;letter-spacing:-.3px}.public-chat-head button{flex:none;min-height:40px;background:#ffffff12;border:1px solid #ffffff44;color:#fff;border-radius:10px;padding:8px 12px;font:500 12px var(--md-font,"Roboto",system-ui);cursor:pointer;box-shadow:none}.public-chat-head button:hover{background:#ffffff26}
.public-chat-status,.public-chat-hint{margin:0;padding:11px 20px;font-size:12px;line-height:19px}.public-chat-status{display:flex;align-items:center;gap:8px;background:#edf4e7;color:#3e573f}.public-chat-status::before{content:'';flex:none;width:7px;height:7px;border-radius:50%;background:#7e8976}.public-chat-status[data-state=online]::before{background:#27823c;box-shadow:0 0 0 3px #27823c14}.public-chat-status[data-state=reconnecting]{background:#fff3cf;color:#765713}.public-chat-status[data-state=reconnecting]::before{background:#b68019}.public-chat-hint{color:#617064;background:#fff;border-bottom:1px solid #e9eee8;padding-top:12px;padding-bottom:12px}
.public-chat-log{flex:1;min-height:100px;overflow-y:auto;overscroll-behavior:contain;padding:18px 16px;display:flex;flex-direction:column;gap:12px;background:#f6f7f3;scrollbar-width:thin}
.public-chat-message{max-width:88%;padding:12px 14px;background:#fff;border:1px solid #e2e8df;border-radius:14px 14px 14px 4px;align-self:flex-start;overflow-wrap:anywhere}.public-chat-message.mine{align-self:flex-end;background:#e8f2db;border-color:#d9e7c9;border-radius:14px 14px 4px 14px}.public-chat-message.system{max-width:100%;align-self:center;font-size:12px;line-height:20px;text-align:center;background:transparent;border:0;color:#5c6c5e;padding:4px 10px}.public-chat-message p{margin:5px 0;white-space:pre-wrap}.public-chat-message strong,.public-chat-message small{font-size:10px;line-height:16px;display:block}.public-chat-message strong{font-weight:600;color:#365638}.public-chat-message small{color:#67775f}
.public-chat-form{display:flex;align-items:flex-end;gap:8px;padding:14px;border-top:1px solid #dbe4d8;background:#fff}.public-chat-form textarea{flex:1;min-width:0;min-height:64px;max-height:130px;resize:vertical;border:1px solid #a8bba8;border-radius:12px;padding:11px 12px;background:#fff;color:#20382e;font:14px/20px var(--md-font,"Roboto",system-ui);box-shadow:none}.public-chat-form textarea::placeholder{color:#72816f}.public-chat-form button,.public-chat-older{min-height:44px;border:0;border-radius:12px;padding:12px 14px;background:#143d2d;color:#fff;font:600 13px/20px var(--md-font,"Roboto",system-ui);cursor:pointer;box-shadow:none}.public-chat-older{align-self:center;padding:8px 14px;background:#e9eee5;color:#365238;font-size:12px}.public-chat-form button:disabled{opacity:.5;cursor:default}.public-chat-form button:not(:disabled):hover{background:#20583f}.public-chat-error{color:#9b2926;font-size:12px;line-height:20px;margin:0;padding:10px 16px;background:#fff0ed;overflow-wrap:anywhere}.public-chat-error:empty{display:none}
.public-chat-panel :focus-visible,.public-chat-fab:focus-visible{outline:3px solid #5c8c3d;outline-offset:3px}.public-chat-head :focus-visible{outline-color:#b8ed82}
@media(max-width:600px){.public-chat-panel{right:8px;left:8px;bottom:8px;width:auto;max-width:none;height:80dvh;max-height:calc(100dvh - 16px);border-radius:20px;padding-bottom:env(safe-area-inset-bottom)}.public-chat-fab{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));padding:12px 16px;min-height:48px;border-radius:14px;font-size:13px}.public-chat-head{padding:14px 16px}.public-chat-status,.public-chat-hint{padding-left:16px;padding-right:16px}.public-chat-form{padding:12px}.public-chat-form button{padding:12px}.public-chat-log{padding:14px 12px}}
@media(prefers-reduced-motion:reduce){.public-chat-panel *,.public-chat-fab{animation:none;transition:none;scroll-behavior:auto}}
@media print{.public-chat-panel,.public-chat-fab{display:none}}