:root{--bg:#0b1120;--panel:#111827;--panel2:#182235;--line:#263244;--text:#f8fafc;--muted:#94a3b8;--accent:#22c55e;--accent2:#16a34a;--mine:#14532d;--other:#1f2937;--danger:#ef4444;--blue:#38bdf8}
*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);overflow:hidden}.hidden{display:none!important}.muted,.hint{color:var(--muted)}button,input,textarea{font:inherit}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top,#172554,#0b1120 45%)}.auth-card{width:min(430px,100%);background:rgba(17,24,39,.96);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.brand{font-size:28px;font-weight:800}.brand span{margin-left:8px}.tabs{display:flex;gap:8px;margin:22px 0}.tab{flex:1;border:0;border-radius:12px;padding:11px;background:#0f172a;color:var(--muted);cursor:pointer}.tab.active{background:#243047;color:white}.form{display:grid;gap:16px}.form label{display:grid;gap:7px;color:#cbd5e1;font-size:14px}.form input,.search-box input,.composer textarea,.modal-search{border:1px solid var(--line);background:#0f172a;color:white;border-radius:12px;padding:12px;outline:none}.form input:focus,.search-box input:focus,.composer textarea:focus,.modal-search:focus{border-color:#3b82f6}.primary{border:0;border-radius:12px;padding:13px;background:var(--accent);color:#06210f;font-weight:800;cursor:pointer}.secondary{border:1px solid var(--line);border-radius:10px;padding:9px 13px;background:#334155;color:white;cursor:pointer}.danger-btn{border:0;border-radius:10px;padding:9px 13px;background:var(--danger);color:white;font-weight:700;cursor:pointer}.danger-text{color:#fca5a5!important}.hint{min-height:20px;font-size:13px;margin-bottom:0}
.app{height:100dvh;display:grid;grid-template-columns:340px minmax(0,1fr);min-height:0}.sidebar{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}.side-header,.chat-header{height:70px;min-height:70px;display:flex;align-items:center;padding:0 12px;border-bottom:1px solid var(--line);gap:10px;position:relative}.me-info{min-width:0;flex:1}.side-header small{display:block;color:var(--muted);margin-top:3px}.side-actions,.chat-actions{display:flex;gap:2px}.icon-btn{border:0;background:transparent;color:white;font-size:20px;cursor:pointer;border-radius:10px;padding:8px;line-height:1}.icon-btn:hover{background:#253146}.search-box-row{display:flex;align-items:center;padding:12px;gap:8px}.search-box{flex:1;padding:0}.search-box input{width:100%}.new-chat-btn{width:42px;height:42px;border:0;border-radius:12px;background:var(--accent);color:#052e16;font-size:25px;font-weight:800;cursor:pointer}.search-results{position:absolute;left:12px;right:12px;top:126px;max-height:320px;overflow:auto;background:#0f172a;border:1px solid var(--line);border-radius:14px;z-index:30;box-shadow:0 20px 50px rgba(0,0,0,.4)}.search-item,.conv-item{display:flex;align-items:center;gap:11px;padding:12px;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.05)}.search-item:hover,.conv-item:hover,.conv-item.active{background:#1d293b}.avatar{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:#334155;font-weight:800;flex:none;overflow:hidden}.avatar img,.avatar-btn img{width:100%;height:100%;object-fit:cover;display:block}.avatar.has-img{width:42px;height:42px;min-width:42px;min-height:42px;max-width:42px;max-height:42px;border-radius:50%;overflow:hidden;flex:0 0 42px}.avatar-btn{border:0;color:white;cursor:pointer;padding:0}.avatar-btn.has-img{background:#0f172a}.conv-main{min-width:0;flex:1}.conv-top{display:flex;justify-content:space-between;gap:8px}.conv-main small,.chat-person small{color:var(--muted)}.conv-preview{display:flex;justify-content:space-between;gap:8px;margin-top:4px}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{background:var(--accent);color:#052e16;font-weight:800;border-radius:999px;min-width:20px;height:20px;display:grid;place-items:center;font-size:12px;padding:0 6px}.conversation-list{overflow:auto;flex:1;min-height:0}.chat-panel{position:relative;min-width:0;min-height:0;background:#0b141f;overflow:hidden}.empty-state{height:100%;display:grid;place-content:center;text-align:center;color:var(--muted)}.empty-icon{font-size:58px}.chat-view{height:100%;min-height:0;display:grid;grid-template-rows:70px minmax(0,1fr) auto auto;overflow:hidden}.chat-person{flex:1;min-width:0;display:flex;flex-direction:column}.messages{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:18px clamp(12px,4vw,54px);display:flex;flex-direction:column;gap:8px;background-image:linear-gradient(rgba(255,255,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px);background-size:24px 24px;scrollbar-gutter:stable}.bubble{max-width:min(74%,620px);padding:9px 11px;border-radius:14px;position:relative;box-shadow:0 2px 3px rgba(0,0,0,.15);word-break:break-word}.bubble.mine{align-self:flex-end;background:var(--mine);border-bottom-right-radius:4px}.bubble.other{align-self:flex-start;background:var(--other);border-bottom-left-radius:4px}.bubble.deleted{font-style:italic;color:var(--muted)}.bubble img,.bubble video{max-width:100%;max-height:46vh;border-radius:10px;display:block;object-fit:contain}.bubble audio{max-width:100%}.msg-media.clickable{cursor:zoom-in}.msg-meta{display:flex;justify-content:flex-end;align-items:center;gap:5px;color:#b6c2cf;font-size:11px;margin-top:4px}.checks.read{color:var(--blue);font-weight:800}.msg-menu{border:0;background:transparent;color:#cbd5e1;cursor:pointer;padding:0 2px;font-size:16px}.file-link{display:inline-flex;align-items:center;gap:8px;color:#dbeafe;text-decoration:none;padding:9px;background:rgba(0,0,0,.18);border-radius:9px}.once-msg{border:1px solid rgba(255,255,255,.2);background:rgba(0,0,0,.18);color:white;border-radius:12px;padding:10px 12px;cursor:pointer}.once-msg.disabled{opacity:.65;cursor:default}.composer{display:flex;align-items:flex-end;gap:7px;padding:10px 12px max(10px,env(safe-area-inset-bottom));background:var(--panel);border-top:1px solid var(--line);position:relative;z-index:4}.composer textarea{flex:1;resize:none;max-height:130px;min-height:44px}.send-btn{border:0;background:var(--accent);width:44px;height:44px;border-radius:50%;font-size:20px;cursor:pointer;flex:none}.attachment-preview{padding:10px 14px;background:#162033;border-top:1px solid var(--line);max-height:42vh;overflow:auto}.attachment-preview img,.attachment-preview video{display:block;max-width:min(360px,100%);max-height:28vh;border-radius:12px;margin:8px auto}.attachment-preview audio{width:min(420px,100%);display:block;margin:8px auto}.preview-head{display:flex;align-items:center;justify-content:space-between}.once-check{display:flex;align-items:center;gap:8px;margin-top:8px;color:#cbd5e1}.file-preview{padding:18px;background:#0f172a;border-radius:12px;margin:8px 0}.recording{background:#7f1d1d!important}.recording-ui{flex:1;min-width:0;height:44px;display:flex;align-items:center;gap:10px;background:#0f172a;border:1px solid #334155;border-radius:14px;padding:0 12px}.recording-ui canvas{width:100%;height:36px;min-width:0}.recording-ui span{font-variant-numeric:tabular-nums;color:#fca5a5;font-weight:700;white-space:nowrap}.composer.is-recording #attachBtn,.composer.is-recording #messageInput,.composer.is-recording #sendBtn{display:none}.composer.is-recording .recording-ui{display:flex!important}.record-btn.recording{background:#ef4444!important;color:white;width:44px;height:44px;border-radius:50%;font-size:18px}.remove-avatar-btn{font-size:12px;padding:7px 10px}.remove-avatar-btn.hidden{display:none!important}.typing-status{color:#22c55e!important;font-style:italic}
.toast{position:fixed;top:18px;left:50%;transform:translateX(-50%) translateY(-80px);z-index:1000;background:#111827;border:1px solid var(--line);padding:11px 16px;border-radius:12px;transition:.25s;box-shadow:0 12px 35px rgba(0,0,0,.35);max-width:min(92vw,520px)}.toast.show{transform:translateX(-50%) translateY(0)}.action-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:1200;width:min(92vw,460px);background:#111827;border:1px solid var(--line);border-radius:15px;padding:15px;box-shadow:0 20px 60px rgba(0,0,0,.5)}.action-buttons{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.floating-menu,.dropdown{position:fixed;background:#0f172a;border:1px solid var(--line);border-radius:12px;padding:6px;z-index:500;box-shadow:0 18px 45px rgba(0,0,0,.45);min-width:170px}.floating-menu button,.dropdown button{width:100%;border:0;background:transparent;color:white;text-align:left;padding:10px 12px;border-radius:8px;cursor:pointer}.floating-menu button:hover,.dropdown button:hover{background:#1f2937}.dropdown{position:absolute;right:10px;top:62px}.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:700;display:grid;place-items:center;padding:18px}.modal-card{width:min(460px,96vw);max-height:90dvh;overflow:auto;background:#111827;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 30px 80px rgba(0,0,0,.5)}.modal-card.tall{height:min(700px,88dvh)}.modal-card.small{width:min(390px,96vw)}.modal-head{display:flex;align-items:center;justify-content:space-between}.modal-head h3{margin:0}.modal-search{width:100%;margin:10px 0}.contact-list{border:1px solid var(--line);border-radius:12px;overflow:auto;max-height:240px}.empty-list{padding:14px}.profile-avatar-wrap{text-align:center;display:grid;justify-items:center;gap:7px}.profile-avatar{width:92px;height:92px;border-radius:50%;border:2px solid #475569;background:#334155;color:white;font-size:32px;font-weight:800;overflow:hidden;display:grid;place-items:center}.profile-avatar img{width:100%;height:100%;object-fit:cover}.profile-avatar.large{width:130px;height:130px;margin:16px auto}.profile-view{text-align:center;position:relative}.profile-close,.media-close{position:absolute;right:12px;top:12px}.media-view-card{position:relative;max-width:94vw;max-height:92dvh}.media-view-card img,.media-view-card video{max-width:92vw;max-height:86dvh;object-fit:contain;border-radius:14px}.media-view-card audio{width:min(90vw,520px)}.file-download{display:inline-block;text-decoration:none;margin:60px}.call-modal{position:fixed;inset:0;background:rgba(0,0,0,.78);z-index:900;display:grid;place-items:center;padding:20px}.call-card{width:min(520px,100%);background:#111827;border:1px solid var(--line);border-radius:24px;padding:24px;text-align:center}.call-avatar{width:90px;height:90px;border-radius:50%;display:grid;place-items:center;background:#334155;font-size:35px;font-weight:800;margin:0 auto 12px}.call-card video{width:100%;max-height:280px;background:#020617;border-radius:14px;margin-top:8px}.call-card #localVideo{position:absolute;width:120px;right:calc(50% - 240px);bottom:115px;border:2px solid white}.call-buttons{display:flex;justify-content:center;gap:16px;margin-top:20px}.call-buttons button{width:54px;height:54px;border:0;border-radius:50%;font-size:22px;cursor:pointer}.call-control{background:#334155;color:white}.call-end{background:var(--danger);color:white}.call-accept{background:var(--accent);color:#052e16}.mobile-only{display:none}
@media(max-width:760px){.app{grid-template-columns:1fr}.sidebar{width:100%}.chat-panel{display:none}.app.chat-open .sidebar{display:none}.app.chat-open .chat-panel{display:block;height:100dvh}.mobile-only{display:inline-flex}.bubble{max-width:88%}.chat-view{height:100dvh;grid-template-rows:70px minmax(0,1fr) auto auto}.chat-header{padding-left:6px}.chat-actions .icon-btn{padding:7px}.side-actions .icon-btn{padding:6px;font-size:18px}.call-card #localVideo{position:static;width:100%}.messages{padding:12px}.attachment-preview{max-height:36dvh}}
@media print{body *{visibility:hidden!important}body::after{content:'PrivateChat - contenido protegido';visibility:visible;position:fixed;inset:0;background:#000;color:#000}}

/* v1.3.1 ajustes de interacción */
.privacy-note{background:#052e23;border-bottom:1px solid #14532d;color:#86efac;text-align:center;padding:8px 16px;font-size:12px;line-height:1.35;opacity:0;transform:translateY(-4px);transition:opacity .3s ease,transform .3s ease;z-index:3}.privacy-note.privacy-show{opacity:1;transform:translateY(0)}.privacy-note.privacy-hide{opacity:0;transform:translateY(-4px)}
.empty-state{position:relative}.empty-new-chat-btn{position:absolute;right:28px;bottom:28px;width:58px;height:58px;border:0;border-radius:18px;background:var(--accent);color:#052e16;font-size:34px;line-height:1;cursor:pointer;box-shadow:0 14px 35px rgba(0,0,0,.38)}.empty-new-chat-btn:hover{transform:translateY(-1px)}
.reaction-popover{position:fixed;z-index:850;background:#111827;border:1px solid #334155;border-radius:18px;padding:7px;box-shadow:0 18px 55px rgba(0,0,0,.55);min-width:min(360px,calc(100vw - 16px))}.reaction-row{display:flex;align-items:center;gap:2px;white-space:nowrap}.reaction-row button{width:42px;height:42px;border:0;background:transparent;border-radius:50%;font-size:23px;cursor:pointer;display:grid;place-items:center}.reaction-row button:hover,.reaction-row button:active{background:#293548;transform:scale(1.08)}.reaction-row .emoji-more{font-size:18px;color:#e2e8f0;background:#263244}.message-actions{border-top:1px solid #293548;margin-top:5px;padding-top:5px;display:grid}.message-actions button{border:0;background:transparent;color:#f8fafc;text-align:left;padding:10px 12px;border-radius:9px;cursor:pointer}.message-actions button:hover,.message-actions button:active{background:#1f2937}.emoji-palette{position:fixed;z-index:900;background:#111827;border:1px solid #334155;border-radius:16px;padding:8px;display:grid;grid-template-columns:repeat(6,38px);gap:2px;box-shadow:0 18px 55px rgba(0,0,0,.6)}.emoji-palette button{width:38px;height:38px;border:0;background:transparent;border-radius:9px;font-size:22px;cursor:pointer}.emoji-palette button:hover{background:#263244}
.reaction-slot{min-height:0}.reaction-summary{position:absolute;right:8px;bottom:-15px;display:flex;gap:3px;background:#172033;border:1px solid #334155;border-radius:999px;padding:2px 6px;box-shadow:0 2px 5px rgba(0,0,0,.3);font-size:13px;z-index:2}.bubble:has(.reaction-summary){margin-bottom:12px}.quoted-reply{display:grid;width:100%;border:0;border-left:3px solid #22c55e;background:rgba(0,0,0,.2);color:#dbeafe;border-radius:8px;padding:7px 9px;margin-bottom:7px;text-align:left;cursor:pointer}.quoted-reply strong{font-size:12px;color:#86efac}.quoted-reply span{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-highlight{outline:2px solid rgba(34,197,94,.8);animation:msgflash 1.2s ease}@keyframes msgflash{0%,100%{filter:none}50%{filter:brightness(1.5)}}
.location-card{display:flex;align-items:center;gap:10px;text-decoration:none;color:white;background:rgba(0,0,0,.2);border-radius:11px;padding:12px;min-width:220px}.location-card>span{font-size:28px}.location-card div{display:grid}.location-card small{color:#cbd5e1;margin-top:2px}.attach-menu{position:absolute;left:8px;bottom:66px;z-index:20;background:#111827;border:1px solid #334155;border-radius:18px;padding:8px;display:grid;grid-template-columns:repeat(2,minmax(90px,1fr));gap:6px;box-shadow:0 20px 50px rgba(0,0,0,.55)}.attach-menu button{border:0;background:#1b2638;color:white;border-radius:13px;padding:12px 14px;display:flex;align-items:center;gap:8px;cursor:pointer}.attach-menu button:hover{background:#26344a}.attach-menu button span{font-size:22px}.reply-preview{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 14px;background:#162033;border-top:1px solid var(--line);border-left:4px solid var(--accent)}.reply-preview>div{display:grid;min-width:0}.reply-preview small{color:#94a3b8}.reply-preview strong{color:#86efac}.reply-preview span{max-width:min(70vw,650px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.duration-list{display:grid;gap:7px}.duration-list button{border:1px solid var(--line);background:#182235;color:white;border-radius:11px;padding:12px;text-align:left;cursor:pointer}.duration-list button.active{border-color:var(--accent);background:#123824;color:#bbf7d0}
@media(max-width:760px){.msg-menu{display:none}.reaction-popover{min-width:0;width:min(352px,calc(100vw - 16px));border-radius:20px}.reaction-row{justify-content:space-between}.reaction-row button{width:40px;height:40px}.empty-new-chat-btn{position:fixed;right:20px;bottom:24px;z-index:80}.privacy-note{font-size:11px;padding:7px 10px}.chat-view:has(.privacy-note:not(.hidden)){grid-template-rows:70px auto minmax(0,1fr) auto auto auto}.attach-menu{position:fixed;left:10px;right:10px;bottom:74px;grid-template-columns:repeat(4,1fr)}.attach-menu button{display:grid;justify-items:center;padding:10px 4px;font-size:11px}.attach-menu button span{font-size:24px}}
.chat-view{grid-template-rows:70px auto minmax(0,1fr) auto auto auto}.chat-view>.chat-header{grid-row:1}.chat-view>#privacyNote{grid-row:2}.chat-view>#messages{grid-row:3}.chat-view>#replyPreview{grid-row:4}.chat-view>#attachmentPreview{grid-row:5}.chat-view>.composer{grid-row:6}
@media(max-width:760px){.chat-view{grid-template-rows:70px auto minmax(0,1fr) auto auto auto!important}}