/* NexoChat: um aceno aos mensageiros dos anos 2000, sem efeitos pesados.
   Tipos: Instrument Serif para as falas, DM Sans para a interface.
   Paleta: papel, azul-petróleo, azul-claro, verde-presença e creme. */
:root{
  --ink:#263c4b;--ink-soft:#637887;--blue:#23658e;--blue-dark:#184f71;
  --blue-pale:#e9f3f8;--blue-line:#c9dfe9;--paper:#fffefa;--milk:#f5f8f9;
  --green:#5c9e79;--line:#dbe4e7;--cream:#fff2d8;--coral:#cd7866;
  --serif:'Instrument Serif',Georgia,serif;--sans:'DM Sans',Arial,sans-serif;
}
*{box-sizing:border-box}html{min-height:100%;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--milk)}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #e0ac52;outline-offset:3px}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.svg-defs{position:absolute;width:0;height:0;overflow:hidden;pointer-events:none}[hidden]{display:none!important}.site-width{width:min(1340px,calc(100% - 104px));margin-inline:auto}.online-dot{display:inline-block;width:8px;height:8px;flex:none;border-radius:50%;background:var(--green);box-shadow:0 0 0 2px #5c9e7919;vertical-align:middle}.mini-line{width:22px;height:1px;background:currentColor;display:inline-block}
/* Brand: retrô sem usar logos de terceiros. */
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;white-space:nowrap}.brand-name{font-family:var(--serif);font-size:39px;line-height:1;letter-spacing:-1.4px;color:var(--blue-dark)}.brand-name>span,.footer-dot{color:var(--coral)}.brand-icon{width:37px;height:35px;position:relative;display:inline-block}.brand-person{position:absolute;border:2px solid var(--blue-dark);border-radius:50% 50% 8px 8px}.brand-person:before{content:"";position:absolute;top:-13px;left:5px;width:12px;height:12px;background:inherit;border:2px solid var(--blue-dark);border-radius:50%}.person-a{background:#e6efe7;width:27px;height:18px;bottom:3px;left:0}.person-b{background:#f3c7a8;width:21px;height:16px;bottom:0;left:18px}.person-b:before{width:10px;height:10px;left:3px;top:-12px}
/* PÁGINA INICIAL */
.landing{background:var(--paper);min-height:100svh;overflow:hidden;position:relative}.landing:before{content:"";position:absolute;left:0;right:0;top:0;height:7px;background:var(--blue)}.landing-header{height:108px;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:40px}.header-side{display:flex;align-items:center;gap:13px;margin-left:clamp(25px,6vw,108px);color:var(--ink-soft);font-size:12px;line-height:1.55}.tiny-star{font-size:27px;font-family:serif;color:#8bae9d}.header-live{margin-left:auto;font-size:12px;color:var(--ink-soft);display:flex;align-items:center;gap:9px;white-space:nowrap}.setup-banner{padding:15px 18px;color:#6e4215;background:#fff3db;border:1px solid #e6c18b;margin-top:23px;font-size:13px;line-height:1.65}
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);gap:clamp(50px,6vw,100px);align-items:center;min-height:620px;padding-top:60px;padding-bottom:58px}.hero-copy{padding-top:5px}.eyebrow{display:flex;align-items:center;gap:11px;color:var(--blue);font-weight:800;font-size:11px;letter-spacing:2px;margin-bottom:25px}.hero h1{font-family:var(--serif);font-size:clamp(68px,6.2vw,104px);font-weight:400;line-height:.95;letter-spacing:-2.8px;max-width:770px;margin:0 0 34px}.hero h1 em{color:var(--blue);font-weight:400;display:inline}.hero-description{font-size:16px;line-height:1.9;color:#4e6573;max-width:465px;margin:0 0 30px}.hero-action{display:flex;gap:22px;align-items:center}.primary-btn{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;background:var(--blue);border:1px solid var(--blue);padding:16px 18px 16px 23px;color:#fff;font-size:14px;font-weight:700;min-height:54px;border-radius:5px;transition:background .16s,transform .16s}.primary-btn:not(:disabled):hover{background:var(--blue-dark);transform:translateY(-1px)}.primary-btn svg{width:19px;height:19px}.arrow-note{display:flex;align-items:center;gap:7px;color:#7b8d98;font-size:11px;line-height:1.4;font-weight:600}.arrow-squiggle{color:var(--coral);font-size:26px;font-family:serif;transform:rotate(-18deg)}.hero-footnote{display:flex;align-items:center;gap:8px;font-size:12px;color:#80919a;margin:22px 0 0}.hero-footnote svg{width:13px;height:13px}
/* Janela ilustrativa: bordas planas, barra de título e detalhes do MSN. */
.hero-visual{position:relative;padding:24px 0 18px;transform:rotate(-1.2deg)}.preview-window{background:white;border:1px solid #aec4d0;outline:6px solid #e8f2f5;max-width:510px;margin:0 auto;box-shadow:11px 17px 0 #dceaf0}.window-titlebar{height:34px;background:var(--blue);color:#fff;display:flex;justify-content:space-between;align-items:center;padding:0 10px 0 13px;font-size:10px;font-weight:700;letter-spacing:.15px}.window-brand{display:flex;align-items:center;gap:7px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mini-buddy{color:#98d3ac}.window-controls{display:flex;gap:3px;margin-left:6px}.window-controls i{display:grid;place-items:center;background:#4380a4;width:20px;height:19px;border:1px solid #71a1bb;font-size:12px;font-weight:400;font-style:normal;line-height:1}.window-controls i:last-child{background:#b56152;border-color:#d28b7f}.preview-contact{display:flex;align-items:center;gap:13px;background:#eff7fa;border-bottom:1px solid var(--blue-line);padding:15px 17px}.preview-user-icon{background:#e2eecf;width:48px;height:48px;border:1px solid #acc6aa;border-radius:6px;display:grid;place-items:center;color:#528d5e;font-size:31px;font-family:serif}.preview-contact strong{display:block;font-size:13px}.preview-contact small{display:flex;align-items:center;gap:7px;color:#6a8996;font-size:10px;margin-top:5px}.preview-contact .online-dot{width:6px;height:6px}.handwave{margin-left:auto;color:#85a7a2;font-size:27px}.preview-history{min-height:232px;padding:18px 19px 12px;background:var(--paper)}.preview-date{text-align:center;color:#94a5ae;font-size:10px;margin-bottom:17px}.preview-history p{font-size:13px;color:#435865;margin:12px 0;line-height:1.6}.preview-history strong{font-weight:800;margin-right:6px}.from-blue{color:#3574a2}.from-green{color:#40816f}.from-coral{color:#bd725b}.preview-typing{color:#91a3ad;display:flex;align-items:center;gap:7px;font-size:10px;margin-top:21px}.three-dots{display:flex;gap:3px}.three-dots i{display:block;width:4px;height:4px;border-radius:50%;background:#95b0c1}.preview-toolbar{height:34px;background:#f0f6f8;border-top:1px solid var(--line);display:flex;align-items:center;gap:12px;color:#39779b;padding:0 15px;font-family:serif;font-size:17px}.preview-toolbar .toolbar-right{font:10px var(--sans);color:#91a4af;margin-left:auto}.preview-type{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:65px;padding:12px 13px 12px 17px;color:#a1aeb7;font-size:12px;background:#fff}.preview-send{font-size:20px;color:#fff;background:var(--blue);padding:5px 11px;border-radius:2px}.preview-bottom{border-top:1px solid var(--line);background:#f6fafb;display:flex;align-items:center;gap:8px;font-size:10px;color:#748f9b;padding:9px 15px}.preview-bottom .online-dot{width:5px;height:5px}.preview-bottom span:last-child{margin-left:auto}.window-sticker{position:absolute;z-index:2;right:-29px;top:-18px;transform:rotate(7deg);background:var(--cream);border:1px solid #e6d6ae;padding:12px 20px;font-family:var(--serif);font-style:italic;font-size:28px;color:#8b7655}.window-sticker span{color:var(--coral)}.visual-caption{margin:24px 0 0 auto;width:max-content;max-width:100%;font-family:var(--serif);font-style:italic;font-size:20px;color:#6c8c9c;transform:rotate(1.2deg)}
.below-hero{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 2fr;gap:80px;padding-top:38px;padding-bottom:60px}.below-head span{font-size:11px;color:var(--blue);letter-spacing:1.8px;font-weight:800}.below-head p{font-family:var(--serif);font-size:36px;line-height:1.08;margin:13px 0;color:#435b68}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-top:3px}.step{border-top:2px solid var(--blue-line);padding:16px 4px 0;min-width:0}.step-index{font-size:11px;font-weight:800;color:#6c9cb6;letter-spacing:1px}.step strong{display:block;font-size:13px;margin:16px 0 7px}.step p{font-size:12px;line-height:1.7;color:#7b8f9b;margin:0}.landing-footer{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:18px;padding-bottom:26px;color:#8096a1;font-size:11px}.landing-footer>span:first-child{font-family:var(--serif);font-size:22px;color:var(--blue-dark)}.landing-footer small{font:11px var(--sans);margin-left:7px;color:#8c9ba3}
/* CHAT */
.chat-app{height:100dvh;min-height:500px;display:grid;grid-template-columns:250px minmax(0,1fr) 268px;overflow:hidden;background:#fff}.sidebar{display:flex;flex-direction:column;background:#edf5f8;border-right:1px solid #c8dce6;min-height:0;overflow-y:auto}.sidebar-top{padding:30px 25px 32px;border-bottom:1px solid #d6e6ed}.sidebar-top .brand-name{font-size:35px}.sidebar-top .brand-icon{transform:scale(.85);transform-origin:left}.sidebar-top .brand{gap:3px}.sidebar-greeting{font-family:var(--serif);font-size:20px;font-style:italic;color:#6f94a7;margin-top:15px}.sidebar-greeting span{color:#8fad90}.sidebar-section-label{display:flex;align-items:center;justify-content:space-between;font-size:10px;font-weight:800;color:#7b9aaa;letter-spacing:1.5px;padding:23px 22px 12px}.sidebar-section-label span{font-size:10px;letter-spacing:0}.room-entry{display:flex;align-items:center;gap:12px;margin:0 10px;padding:12px;border:1px solid transparent}.room-entry.active{background:#fff;border-color:#c7dbe6;border-left:3px solid var(--blue)}.room-symbol{display:grid;place-items:center;background:#e2eff5;color:var(--blue);width:39px;height:39px}.room-symbol svg{width:21px;height:21px}.room-entry strong{display:block;font-size:12px}.room-entry small{font-size:10px;display:flex;align-items:center;gap:5px;color:#8299a5;margin-top:5px}.room-entry small .online-dot{width:6px;height:6px}.people-heading{padding-top:37px}.members-sidebar{padding:0 12px 12px}.member{display:flex;align-items:center;gap:10px;min-width:0;padding:8px 10px;font-size:12px}.member-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:700;min-width:0}.member-you{color:#8299a7;font-size:10px;white-space:nowrap}.person-avatar{display:grid;place-items:center;width:33px;height:33px;flex:0 0 auto;border:1px solid #00000015;border-radius:5px;color:#203a43;font-size:12px;font-weight:800}.sidebar-spacer{flex:1}.sidebar-bottom{padding:18px 14px 16px}.sidebar-reminder{background:#fff9ea;border:1px solid #e9dcc2;padding:14px 15px;margin-bottom:20px}.sidebar-reminder span{font:italic 22px var(--serif);color:#a48057}.sidebar-reminder p{font-size:11px;line-height:1.6;color:#947e68;margin:8px 0 0}.profile{display:flex;align-items:center;gap:9px;border-top:1px solid #cedfe7;padding-top:17px}.profile-text{min-width:0;flex:1}.profile strong{display:block;font-size:12px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.profile small{display:flex;align-items:center;gap:7px;font-size:10px;color:#7e9b9b;margin-top:4px}.profile small .online-dot{width:6px;height:6px}.profile-smile{font:24px var(--serif);color:#7da9a6}
.conversation{min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--paper)}.chat-header{height:107px;flex:0 0 auto;display:flex;align-items:center;gap:15px;padding:0 clamp(20px,3vw,46px);border-bottom:1px solid #d7e6ec;background:#f9fcfd}.header-symbol{display:grid;place-items:center;flex:0 0 auto;background:#e0f0e8;color:#4e9773;border:1px solid #bad9c8;width:53px;height:53px;font:36px var(--serif);border-radius:4px}.room-title{min-width:0;flex:1}.header-eyebrow{display:block;font-size:9px;letter-spacing:1.5px;font-weight:800;color:#7fa2b5}.room-title h2{font:normal 32px/.95 var(--serif);letter-spacing:-.5px;color:var(--ink);margin:6px 0 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.room-title h2 span{color:var(--coral)}.room-title p{margin:0;color:#7a97a6;display:flex;align-items:center;gap:7px;font-size:10px}.room-title p .online-dot{width:6px;height:6px}.header-separator{padding:0 3px}.invite-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid #98bdce;background:#fff;color:var(--blue);font-size:12px;font-weight:800;white-space:nowrap;padding:13px 16px;min-height:42px;border-radius:3px}.invite-btn:hover,.copy-side:hover{background:#eaf4f8}.invite-btn svg{width:15px;height:15px}.chat-ribbon{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:11px clamp(20px,3vw,46px);border-bottom:1px solid #e4ecec;background:#fff9ed;color:#8d8474;font-size:10px;letter-spacing:.1px}.chat-ribbon span:last-child{font-size:9px;color:#aa9f8d;white-space:nowrap}.messages{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:20px clamp(20px,3vw,46px) 28px;background-color:#fffefa;background-image:linear-gradient(90deg,transparent calc(100% - 1px),#ebf0ee calc(100% - 1px));scrollbar-color:#cddfe5 transparent;scrollbar-width:thin}.empty-state{height:100%;min-height:290px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;max-width:390px;margin:auto}.empty-illustration{height:118px;width:140px;position:relative;margin:0 auto 10px}.bubble-big{position:absolute;right:12px;top:21px;width:91px;height:80px;border:2px solid #82b7b4;background:#e7f3ec;color:#78a68a;font:69px var(--serif);display:grid;place-items:center;transform:rotate(-7deg)}.bubble-small{position:absolute;z-index:1;left:4px;top:10px;background:#fff1d9;border:1px solid #ead5ad;transform:rotate(10deg);padding:7px 13px;font:italic 28px var(--serif);color:#bb8f65}.empty-state h2{font:normal 36px/1.06 var(--serif);max-width:350px;margin:0 0 16px}.empty-state h2 em{color:var(--blue);font-weight:400}.empty-state p{font-size:13px;line-height:1.8;color:#85939a;max-width:310px;margin:0 0 22px}.text-button{border:0;border-bottom:1px solid var(--blue);background:none;color:var(--blue);display:flex;align-items:center;gap:12px;font-size:12px;font-weight:800;padding:4px 0 8px}.text-button svg{width:15px;height:15px}.day-divider{display:flex;align-items:center;gap:18px;color:#97a4aa;font-size:10px;text-align:center;margin:15px 0 26px}.day-divider:before,.day-divider:after{content:"";flex:1;height:1px;background:#dfe8e8}.msg{display:flex;align-items:flex-start;gap:11px;margin:0 0 19px;max-width:100%;animation:msg-appear .2s ease-out}@keyframes msg-appear{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.msg .msg-avatar{width:33px;height:33px}.msg-body{min-width:0;max-width:min(78%,590px)}.msg-author{display:flex;align-items:center;gap:11px;font-size:12px;font-weight:800;margin:1px 0 7px}.msg-author time{font-size:10px;color:#9aa9af;font-weight:500}.msg-bubble{display:inline-block;max-width:100%;background:#f0f5f5;border:1px solid #dce8e8;border-radius:3px 11px 11px 11px;padding:10px 14px;line-height:1.7;font-size:13px;color:#405562;overflow-wrap:anywhere;white-space:pre-wrap}.msg-bubble a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.msg.mine{flex-direction:row-reverse}.msg.mine .msg-body{text-align:right}.msg.mine .msg-author{justify-content:flex-end}.msg.mine .msg-bubble{text-align:left;background:#e5f2f9;border-color:#cbdfe9;border-radius:11px 3px 11px 11px}.typing-indicator{flex:0 0 auto;min-height:23px;color:#7c979c;font-size:11px;padding:0 clamp(20px,3vw,46px) 8px;background:#fffefa}
.composer-area{flex:0 0 auto;padding:15px clamp(20px,3vw,46px) 18px;border-top:1px solid #d7e6ec;background:#f4f9fb}.composer-kicker{display:flex;align-items:center;justify-content:space-between;gap:20px;color:#7a99a6;font-size:9px;letter-spacing:1.35px;font-weight:800;margin-bottom:9px}.composer-kicker span:first-child{display:flex;align-items:center;gap:7px}.composer-kicker .online-dot{width:6px;height:6px}.composer{display:flex;align-items:flex-end;gap:12px;background:#fff;border:1px solid #b7ceda;padding:8px;border-radius:4px;transition:border .2s}.composer:focus-within{border-color:#548eaf}.composer textarea{flex:1;min-width:0;min-height:39px;max-height:160px;resize:none;border:0;outline:0;background:transparent;color:var(--ink);line-height:1.6;font-size:13px;padding:9px 10px;scrollbar-width:thin}.composer textarea::placeholder{color:#a1b0b8}.send-btn{width:42px;height:41px;background:var(--blue);color:#fff;border:0;border-radius:3px;display:grid;place-items:center;flex:0 0 auto}.send-btn:hover:not(:disabled){background:var(--blue-dark)}.send-btn svg{width:18px;height:18px}.composer-caption{display:flex;justify-content:space-between;color:#8ca3ad;font-size:10px;gap:14px;margin-top:10px}
.details{min-height:0;overflow-y:auto;background:#f7faf9;border-left:1px solid #dce7e7;padding:32px 27px}.details-doodle{height:123px;position:relative;color:#759b9e}.details-doodle span{position:absolute;font-family:var(--serif)}.doodle-one{font-size:87px;top:7px;left:33px;color:#b5d5d8;transform:rotate(-17deg)}.doodle-two{font-size:44px;right:37px;top:3px;color:#91bc9c}.doodle-three{font-size:38px;right:20px;bottom:9px;color:#d5b394}.detail-overline,.detail-label{display:flex;align-items:center;gap:9px;color:#7294a2;font-size:10px;letter-spacing:1.5px;font-weight:800}.details-intro h3{font:normal 47px/.95 var(--serif);letter-spacing:-1px;margin:14px 0 14px}.details-intro h3 em{font-weight:400;color:var(--blue)}.details-intro p,.details-copy{font-size:12px;line-height:1.8;color:#8095a0;margin:0}.details-divider{height:1px;background:#dae6e7;margin:27px 0 20px}.detail-label .online-dot{width:6px;height:6px}.members-right .member{padding:11px 0}.details-copy{margin:13px 0 17px}.copy-side{width:100%;display:flex;align-items:center;gap:9px;border:1px solid #9fc1d0;background:transparent;color:var(--blue);padding:13px;font-size:12px;font-weight:800;border-radius:3px}.copy-side svg{width:16px;height:16px}.copy-side .right-icon{margin-left:auto}.icon-btn{border:0;background:transparent;color:var(--blue);padding:8px;display:grid;place-items:center}.mobile-menu{display:none}.sidebar-overlay{display:none}
/* JANELA DE ENTRADA */
.modal-backdrop{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:20px;background:#1b4057b8;backdrop-filter:blur(3px)}.join-modal{width:min(450px,100%);background:var(--paper);border:1px solid #a1c0d1;box-shadow:12px 12px 0 #16395033}.join-titlebar{display:flex;justify-content:space-between;gap:9px;align-items:center;padding:12px 15px;background:var(--blue);font-size:10px;font-weight:800;letter-spacing:.6px;color:#fff}.join-titlebar .online-dot{width:6px;height:6px;background:#a5d6af;margin-right:5px}.join-window-controls{color:#d0e4ed;letter-spacing:2px}.join-content{position:relative;padding:36px 43px 42px}.join-decor{position:absolute;right:35px;top:32px;font:72px var(--serif);color:#84b09e}.join-decor small{font:28px var(--serif);color:#d9a38f;position:absolute;right:-10px;top:-15px}.join-eyebrow{display:block;color:var(--blue);font-size:10px;letter-spacing:1.7px;font-weight:800;margin-bottom:10px}.join-content h2{font:normal 49px/.98 var(--serif);letter-spacing:-.6px;margin:0 0 19px}.join-content h2 em{color:var(--coral)}.join-content p{max-width:310px;font-size:13px;line-height:1.7;color:#7b929d;margin:0 0 29px}.join-content label{display:block;color:#7895a3;font-size:10px;letter-spacing:1.3px;font-weight:800;margin-bottom:9px}.join-content input{width:100%;height:51px;border:1px solid #b9cdd8;background:#fff;padding:0 14px;color:var(--ink);border-radius:3px;outline-color:#38799e}.join-content input::placeholder{color:#a5b2b8}.join-content .primary-btn{width:100%;margin-top:13px}.form-error{color:#b75243;font-size:12px;line-height:1.4;min-height:17px;margin-top:14px}.toast{position:fixed;z-index:40;left:50%;bottom:22px;transform:translateX(-50%);color:#fff;background:var(--blue-dark);font-size:12px;padding:13px 20px;border:1px solid #a9c4d0;max-width:min(500px,calc(100vw - 32px));text-align:center}
/* AJUSTES DE TELA: proporções sem cartões flutuantes ou rolagem horizontal. */
@media (max-width:1250px){.chat-app{grid-template-columns:226px minmax(0,1fr)}.details{display:none}.hero{gap:55px}.hero h1{font-size:clamp(63px,6.3vw,91px)}.window-sticker{right:-12px}.below-hero{grid-template-columns:.8fr 2fr;gap:35px}}
@media (max-width:900px){.site-width{width:min(100% - 50px,700px)}.landing-header{height:94px}.header-side{margin-left:auto}.header-live{display:none}.hero{grid-template-columns:1fr;gap:58px;padding-top:55px;padding-bottom:64px}.hero h1{font-size:clamp(67px,9vw,90px)}.hero-description{max-width:480px}.hero-visual{width:min(100% - 18px,500px);margin:0 auto}.below-hero{grid-template-columns:1fr;gap:18px;padding-bottom:39px}.steps{gap:22px}}
@media (max-width:760px){.chat-app{grid-template-columns:minmax(0,1fr);min-height:0}.sidebar{position:fixed;z-index:12;top:0;bottom:0;left:0;width:min(290px,83vw);transform:translateX(-104%);transition:transform .19s ease;border-right:1px solid #9fc0cf;box-shadow:none}.sidebar.open{transform:translateX(0)}.sidebar-overlay:not([hidden]){display:block;position:fixed;inset:0;z-index:11;background:#132f426f}.mobile-menu{display:grid}.chat-header{height:87px;gap:10px;padding:0 16px}.header-symbol{width:41px;height:41px;font-size:29px}.room-title h2{font-size:26px}.invite-btn{min-height:40px;padding:11px}.invite-btn span{display:none}.chat-ribbon{padding:10px 18px}.chat-ribbon span:last-child{display:none}.messages{padding:17px 18px 24px}.msg-body{max-width:min(84%,450px)}.typing-indicator{padding:0 18px 7px}.composer-area{padding:12px 13px max(13px,env(safe-area-inset-bottom))}.empty-state h2{font-size:32px}}
@media (max-width:540px){.site-width{width:calc(100% - 38px)}.landing-header{height:80px}.brand-name{font-size:33px}.brand-icon{transform:scale(.85);transform-origin:left}.header-side{display:none}.hero{padding-top:40px;gap:44px}.eyebrow{font-size:10px;letter-spacing:1.2px;margin-bottom:21px}.hero h1{font-size:clamp(56px,12vw,78px);letter-spacing:-1.8px;margin-bottom:25px}.hero-description{font-size:14px;line-height:1.8;margin-bottom:25px}.hero-action{gap:11px;align-items:center}.primary-btn{gap:24px;font-size:13px;padding-inline:15px}.arrow-note{font-size:10px}.hero-footnote{font-size:10px;margin-top:17px}.hero-visual{width:calc(100% - 9px);margin-left:0;transform:none}.window-sticker{right:0;font-size:21px;padding:8px 11px}.visual-caption{font-size:16px;margin-top:25px}.preview-window{box-shadow:6px 10px 0 #dceaf0;outline-width:4px}.preview-history{min-height:210px}.preview-history p{font-size:11px}.below-hero{padding-top:28px}.below-head p{font-size:31px;margin-bottom:9px}.steps{grid-template-columns:1fr;gap:16px}.step{display:flex;align-items:start;gap:17px;padding:12px 0 0}.step strong{margin:0 0 3px}.step-index{margin-top:2px}.landing-footer{align-items:start;flex-direction:column;gap:10px}.chat-header{height:78px;padding:0 11px;gap:7px}.header-symbol{display:none}.room-title h2{font-size:25px}.header-eyebrow{font-size:8px}.msg-body{max-width:calc(100% - 42px)}.msg .msg-avatar{width:28px;height:28px;font-size:10px}.msg{gap:8px}.msg-bubble{font-size:12px}.composer-caption span:first-child{display:none}.join-content{padding:29px 24px 25px}.join-content h2{font-size:46px}.join-decor{right:22px;top:22px;font-size:53px}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

@media(max-width:360px){.hero h1{font-size:clamp(46px,14vw,54px)}.hero-action{align-items:flex-start}.arrow-note{display:none}.hero-description{font-size:13px}.join-content h2{font-size:41px}}
/* Lista de conversas — inspirada na lista de contatos do Messenger clássico. */
.home-chats{padding:32px 0 43px;border-top:1px solid var(--line)}
.home-chats-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-overline{font-size:10px;color:var(--blue);font-weight:800;letter-spacing:1.4px}
.home-chats h2{font:normal 43px/1 var(--serif);margin:8px 0 7px;letter-spacing:-.8px}
.home-chats h2 em{font-weight:400;color:var(--blue)}
.home-chats-head p{font-size:12px;color:#7b8e99;margin:0}
.secondary-action{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid #a8c3d0;background:#fff;color:var(--blue);border-radius:3px;padding:11px 13px;font-size:12px;font-weight:800;min-height:42px}
.secondary-action:hover{background:var(--blue-pale)}
.secondary-action svg{width:16px;height:16px}
.home-chats-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #dce7e9;border-left:1px solid #dce7e9}
.home-chat-link{display:flex;align-items:center;gap:12px;min-width:0;padding:17px 15px;text-decoration:none;border-right:1px solid #dce7e9;border-bottom:1px solid #dce7e9;transition:background .15s}
.home-chat-link:hover{background:#edf5f8}
.home-chat-icon{display:grid;place-items:center;width:40px;height:40px;border:1px solid #adcbd9;background:#e6f3f7;color:var(--blue);flex:0 0 auto}
.home-chat-icon svg{width:19px;height:19px}
.home-chat-text{display:flex;flex-direction:column;min-width:0;gap:4px}
.home-chat-text strong{font-size:13px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}
.home-chat-text small{font-size:10px;color:#8297a2}
.home-chat-arrow{font:22px var(--serif);margin-left:auto;color:#7ba2b1}
.chat-list-actions{display:flex;gap:6px;margin:0 13px 11px}
.sidebar-action{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:0;flex:1;background:var(--blue);border:1px solid var(--blue);border-radius:3px;padding:9px 7px;color:#fff;font-weight:700;font-size:11px}
.sidebar-action.muted{background:#f9fcfc;color:var(--blue);border-color:#a9c7d7}
.sidebar-action svg{width:15px;height:15px}
.my-chats-sidebar{padding:0 9px 10px;min-height:45px}
.saved-chat{display:flex;align-items:stretch;border:1px solid transparent;border-left:3px solid transparent;min-width:0;margin:2px 0}
.saved-chat:hover{background:#f7fbfc}
.saved-chat.active{background:white;border-color:#c7dbe6;border-left-color:var(--blue)}
.saved-chat-link{display:flex;align-items:center;gap:10px;flex:1;min-width:0;padding:10px 5px 10px 9px;text-decoration:none}
.saved-chat .room-symbol{flex:0 0 auto;width:33px;height:33px}
.saved-chat-text{display:flex;flex-direction:column;min-width:0;gap:4px}
.saved-chat-text strong{font-size:12px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;color:#304c5a}
.saved-chat-text small{color:#839daa;font-size:10px}
.chat-edit-btn{display:grid;place-items:center;align-self:center;flex:0 0 auto;width:29px;height:32px;border:0;background:transparent;color:#7f9cab;opacity:.7;border-radius:3px}
.chat-edit-btn svg{width:14px;height:14px}
.chat-edit-btn:hover{color:var(--blue);background:#dcecf4;opacity:1}
.manage-modal{width:min(470px,100%);background:var(--paper);border:1px solid #a1c0d1;box-shadow:12px 12px 0 #16395033}
.modal-close{border:1px solid #75a7c4;background:#397da4;color:white;width:26px;height:24px;font-size:18px;line-height:1}
.manage-modal-body{padding:29px 34px 24px}
.manage-modal-body h2{font:normal 49px/.98 var(--serif);margin:8px 0 15px;letter-spacing:-1px}
.manage-modal-body h2 em{color:var(--blue);font-weight:400}
.manage-modal-body>p:not(.form-error){color:#7b929d;font-size:13px;line-height:1.7;margin:0 0 23px}
.manage-field{margin:0 0 14px}
.manage-field label{display:block;color:#7895a3;font-size:10px;letter-spacing:1.2px;font-weight:800;margin-bottom:8px}
.manage-field input{width:100%;min-height:49px;background:#fff;border:1px solid #b9cdd8;border-radius:3px;padding:0 13px;color:var(--ink);outline-color:var(--blue);font-size:13px}
.manage-buttons{display:flex;gap:9px;justify-content:space-between;margin:21px 0 8px}
.manage-buttons .primary-btn{min-height:48px;padding:12px 14px;gap:14px;flex:1}
.manage-buttons .secondary-action{flex:0 0 auto}
.remove-chat-btn{border:0;background:none;border-bottom:1px solid #ba7b70;color:#b2675e;padding:8px 0;font-weight:600;font-size:12px;margin-top:10px}
.manage-modal-body .form-error{min-height:14px;margin:9px 0 0}
/* Ajuste preventivo para nomes de conversa longos. */
.room-title{min-width:0}.room-title h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
@media(max-width:1000px){.home-chats-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:540px){.home-chats{padding-top:27px}.home-chats-head{flex-direction:column;align-items:flex-start;gap:17px}.home-chats h2{font-size:38px}.home-chats-list{grid-template-columns:minmax(0,1fr)}.manage-modal-body{padding:28px 20px 22px}.manage-modal-body h2{font-size:42px}.manage-buttons{gap:6px}.manage-buttons .primary-btn{font-size:12px}.manage-buttons .secondary-action{padding:9px;font-size:11px}}

.home-chats-empty{grid-column:1/-1;padding:15px 20px;font-size:13px;line-height:1.7;color:#77919d;margin:0;border-right:1px solid #dce7e9;border-bottom:1px solid #dce7e9}
/* Apenas o ponto final do título recebe a cor de destaque. */
.room-title h2 > span:first-child{color:var(--ink)}
.room-title h2 > span:last-child{color:var(--coral)}

/* Nexo V3 — login com personalidade do mensageiro clássico. */
.account-header-actions{display:flex;gap:8px;align-items:center;margin-left:9px}
.account-action{border:1px solid #b7d0de;color:var(--blue-dark);background:transparent;padding:10px 13px;border-radius:3px;font-size:12px;font-weight:700;white-space:nowrap}
.account-action.filled{background:#e2f0f5}.account-action:hover{background:#d9eaf1}
.sidebar-account{border-top:1px solid #cddfe8;border-bottom:1px solid #cddfe8;padding:12px 8px;margin:0 0 18px;color:#57778b;font-size:11px;line-height:1.6}
.sidebar-account>span{display:block;margin-bottom:6px}
.sidebar-account button{font-size:11px;background:#fff;border:1px solid #9bbdcf;padding:7px 9px;color:#1b6a93;font-weight:700;width:100%;text-align:left;border-radius:2px}
.entry-choice{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:18px 0 20px}
.entry-option{border:1px solid #c7d8df;background:#fff;color:#315772;border-radius:3px;padding:11px 9px;text-align:left;font-size:13px;font-weight:800}
.entry-option.selected{border-color:#286c94;background:#e5f2f7;box-shadow:inset 3px 0 #286c94}
.entry-option small{display:block;color:#7c96a4;font-weight:400;font-size:10px;margin-top:4px}
#account-entry p{margin:0 0 12px}
.compact-btn{width:100%;margin-top:5px}
.account-text-btn{display:block;border:0;background:transparent;color:var(--blue-dark);text-decoration:underline;text-underline-offset:4px;font-weight:700;padding:15px 0 5px}
.account-modal{width:min(495px,100%)}
.account-content{padding:27px 34px 30px;max-height:min(83dvh,750px);overflow:auto}
.account-content h2{font-size:42px;margin-bottom:22px}
.account-tabs{display:flex;border-bottom:1px solid #c3d9e4;margin:0 0 22px;gap:10px}
.account-tabs button{flex:1;border:0;border-bottom:3px solid transparent;background:none;padding:10px 0;font-size:13px;color:#819caa;font-weight:700}
.account-tabs button.active{color:var(--blue);border-color:var(--blue)}
.account-content form>label:not(.check-row){margin-top:15px}
.account-content #confirm-pass-field label{display:block;margin:15px 0 9px;color:#7895a3;font-size:10px;letter-spacing:1.3px;font-weight:800}
.account-content form input:not([type=checkbox]){height:46px}
.account-note{font-size:11px!important;line-height:1.6!important;color:#667e8d!important;margin:13px 0 0!important;max-width:100%!important}
.account-content .check-row{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.4;letter-spacing:0;color:#56788b;margin-top:17px}
.account-content .check-row input{width:15px;height:15px;flex:none;margin:2px 0 0}
.older-messages{display:block;margin:0 auto 22px;border:1px solid #b6d5e5;background:#ecf6fa;color:#1c678b;font-size:11px;border-radius:3px;padding:10px 16px;font-weight:700}
@media(max-width:900px){.landing-header{gap:12px}.account-header-actions{margin-left:auto}.header-side{display:none}.header-live{display:none}}
@media(max-width:540px){.account-action{font-size:10px;padding:8px 9px}.account-header-actions{gap:5px}.account-content{padding:24px 20px}.account-content h2{font-size:40px}.account-content{max-height:85dvh}.join-modal{max-height:94dvh;overflow:auto}.entry-choice{margin:14px 0 16px}}


/* LIVRO / máscara de leitura. Não altera o estado da conversa e não usa Firebase. */
.book-mask{position:fixed;inset:0;z-index:110;background:#e4e1d7;color:#292923;overflow:auto;overscroll-behavior:contain;font-family:Georgia,'Times New Roman',serif}
body.book-mask-active{overflow:hidden;background:#e4e1d7}
body.book-mask-active #chat-app{visibility:hidden}
body.book-mask-active #toast{visibility:hidden}
.book-desk{min-height:100dvh;display:flex;justify-content:center;align-items:flex-start;padding:clamp(28px,4.2vh,70px) 32px 56px;background:radial-gradient(ellipse at 50% 24%,#edebe3 0%,#e1ded4 80%)}
.book-spread{position:relative;width:min(720px,100%);min-height:855px;filter:drop-shadow(7px 14px 14px #3a36241b)}
.book-leaf{position:relative;min-height:855px;padding:55px clamp(58px,9%,90px) 34px;background:#f9f5e8;border:1px solid #cfc8b7;box-shadow:inset 16px 0 22px -24px #4d412d93,inset -2px 0 7px #7a685311;display:flex;flex-direction:column}
.book-leaf:before{content:"";position:absolute;inset:5px 6px 4px auto;width:1px;background:#d6cdbb;opacity:.8;pointer-events:none}
.book-spine{position:absolute;left:-10px;top:7px;bottom:7px;width:17px;border-radius:3px 0 0 3px;background:linear-gradient(90deg,#d4cbb6,#eee6d3 53%,#b5a990 100%);box-shadow:-3px 2px 4px #60594328}
.book-folio-head{display:flex;justify-content:space-between;gap:16px;padding-bottom:13px;border-bottom:1px solid #cfc6b5;font:normal 10px/1.2 Georgia,serif;letter-spacing:.19em;color:#736c5f}
.book-page-content{flex:1;max-width:500px;width:100%;margin:0 auto}
.book-chapter-id{display:flex;align-items:center;justify-content:center;gap:12px;color:#736d60;letter-spacing:.24em;font:normal 10px/1.3 Georgia,serif;margin-top:45px}
.book-chapter-rule{width:26px;height:1px;background:#c5bba9}
.book-page-content h1{font:normal clamp(44px,4.2vw,62px)/.99 'Instrument Serif',Georgia,serif;text-align:center;letter-spacing:-.5px;margin:21px 0 29px;color:#2e2e2a}
.book-page-content h1 i{font-weight:normal}
.book-page-content p{font:normal 15px/1.64 Georgia,'Times New Roman',serif;text-align:justify;margin:0 0 15px;hyphens:auto;letter-spacing:.06px}
.book-page-content .book-lede{text-align:center;font-style:italic;color:#686354;font-size:15px;line-height:1.58;margin-bottom:30px;padding:0 9px}
.book-page-content .book-quote{text-align:center;font-style:italic;margin:22px 15px 23px;font-size:17px;line-height:1.5;color:#4b483d}
.book-folio-bottom{display:flex;align-items:center;justify-content:center;gap:17px;color:#706957;font:normal 12px/1.4 Georgia,serif;margin-top:24px}
.book-footer-rule{width:32px;height:1px;background:#c8bdac}
/* Sem acesso à máscara em interfaces móveis ou tablets touchscreen. */
@media (max-width:767px), (hover:none), (pointer:coarse){.book-mask{display:none!important}}
@media (max-height:760px) and (min-width:768px){.book-desk{padding-top:24px}.book-leaf{min-height:820px}}