:root{--cloud-ink:#283a35;--cloud-muted:#687670;--cloud-paper:#f6f4ee;--cloud-line:#dddeda;--cloud-green:#365a4d;--cloud-accent:#dce9df}
body.cloud-app{margin:0;background:var(--cloud-paper);color:var(--cloud-ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px}
#cloud-main{padding:0;margin:0;max-width:none}
.cloud-app button,.cloud-app input{font-family:inherit}.cloud-form button,.cloud-form input{font-size:15px}.cloud-app button{cursor:pointer}.cloud-app button:disabled{cursor:wait;opacity:.5}.cloud-app a{color:inherit}
.cloud-loading{display:grid;min-height:100vh;place-content:center;justify-items:center;gap:12px;color:var(--cloud-muted)}
.cloud-spinner{display:inline-block;flex:none;width:25px;height:25px;box-sizing:border-box;border:2px solid #becbc3;border-top-color:#365a4d;border-right-color:#365a4d;border-radius:50%;animation:cloud-spin 1s linear infinite}
.cloud-spinner[hidden]{display:none}.cloud-arrival-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}
.cloud-letter-progress{display:flex;align-items:center;gap:10px;min-height:24px;font-size:11px;line-height:1.5;color:var(--cloud-muted)}.cloud-letter-progress .cloud-spinner{width:18px;height:18px}
@keyframes cloud-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.cloud-spinner{animation:none}}
.cloud-brand{font-size:15px;font-weight:700;letter-spacing:.14em;display:flex;align-items:center;gap:12px}.cloud-mark{width:30px;height:30px;display:grid;place-content:center;border:1px solid currentColor;border-radius:50%;font-size:20px;font-weight:400}
.cloud-login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}.cloud-login-intro{background:#233f36;color:#f8f8ed;padding:64px 10%;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.cloud-login-intro:after{content:"";position:absolute;width:560px;height:560px;border:1px solid #96b49b38;transform:rotate(25deg);right:-330px;top:16%;box-shadow:0 0 0 60px #96b49b09,0 0 0 130px #96b49b09,0 0 0 200px #96b49b09;pointer-events:none}
.cloud-login-intro h1{font:400 clamp(40px,4.5vw,68px)/1.05 Georgia,serif;letter-spacing:-.04em;max-width:530px;margin:60px 0 25px}.cloud-login-intro p{font-size:17px;line-height:1.7;max-width:360px;color:#d3e0d7}.cloud-small{font-size:12px;letter-spacing:.08em;color:var(--cloud-muted)}
.cloud-login-form{display:flex;align-items:center;justify-content:center;padding:48px}.cloud-form{width:min(360px,100%)}.cloud-form h2{font:400 34px Georgia,serif;margin:0 0 12px}.cloud-form p{line-height:1.6;color:var(--cloud-muted)}
.cloud-form label{display:block;font-size:13px;margin:23px 0 8px}.cloud-form input,.cloud-name-input{box-sizing:border-box;width:100%;padding:13px 15px;border:1px solid #c8ceca;border-radius:9px;background:#fff;color:var(--cloud-ink);outline-offset:3px}
.cloud-primary{background:var(--cloud-green)!important;color:white!important;border:1px solid var(--cloud-green)!important;border-radius:9px;padding:12px 18px;font-weight:600}.cloud-form .cloud-primary{width:100%;margin-top:25px}.cloud-secondary{background:transparent;border:1px solid #c9d0cc;border-radius:9px;padding:10px 15px;color:var(--cloud-ink)}
.cloud-error{color:#9b3e36!important;font-size:13px;min-height:18px}.cloud-top{height:84px;padding:0 6%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--cloud-line);gap:20px}.cloud-account{display:flex;align-items:center;gap:20px;font-size:13px;color:var(--cloud-muted)}
.cloud-dashboard{max-width:1120px;margin:65px auto;padding:0 30px}.cloud-dashboard h1{font:400 46px Georgia,serif;letter-spacing:-.03em;margin:0 0 12px}.cloud-dashboard>p{color:var(--cloud-muted);font-size:17px;margin-bottom:36px}
.cloud-project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.cloud-project-card{border:1px solid var(--cloud-line);border-radius:16px;overflow:hidden;background:#fff;text-decoration:none;max-width:530px;transition:transform .2s}.cloud-project-card:hover{transform:translateY(-3px)}
.cloud-project-art{height:210px;background:linear-gradient(145deg,#a6b29f,#526d5b);display:grid;place-content:center}.cloud-project-art svg{width:190px;stroke:#f4f1e7;fill:none;stroke-width:1.3;opacity:.8}.cloud-project-copy{padding:24px}.cloud-project-copy h2{font:400 28px Georgia,serif;margin:0 0 12px}.cloud-project-copy p{line-height:1.5;color:var(--cloud-muted);margin-bottom:25px}.cloud-project-copy span{font-size:13px;font-weight:600}
.cloud-project-tools{position:fixed;top:26px;left:28px;z-index:130;display:flex;align-items:flex-start;gap:8px;pointer-events:none}.cloud-project-tools button,.cloud-project-menu{pointer-events:auto}.cloud-save-tools{display:flex;gap:7px}.cloud-save-tools button{min-height:38px;padding:9px 14px;font-size:12px;backdrop-filter:blur(20px)}.cloud-save-tools .cloud-secondary{background:rgba(250,250,249,.94);border-color:#ffffff80}.cloud-save-tools button[aria-expanded=true]{background:#edf0e9;border-color:#9daaa2}
.cloud-project-menu{position:relative;margin:0;padding:0;border:0}.cloud-project-menu>summary{display:flex;align-items:center;gap:6px;height:38px;padding:0 10px;background:rgba(250,250,249,.94);border:1px solid #ffffff80;border-radius:9px;box-sizing:border-box;cursor:pointer;list-style:none;backdrop-filter:blur(20px)}.cloud-project-menu>summary::-webkit-details-marker{display:none}.cloud-project-menu>summary:focus-visible{outline:2px solid var(--cloud-green);outline-offset:3px}.cloud-project-menu .cloud-mark{height:23px;width:23px;font-size:20px;border:0}.cloud-menu-chevron{font-size:12px;color:#687670}.cloud-menu-sheet{position:absolute;top:51px;left:0;width:260px;box-sizing:border-box;padding:24px;background:rgba(250,249,244,.98);border:1px solid #ffffff90;border-radius:12px;box-shadow:0 18px 65px #20372a22;backdrop-filter:blur(24px)}.cloud-menu-sheet h2{font:400 27px/1.15 Georgia,serif;margin:10px 0 23px}.cloud-menu-sheet .cloud-small{font-size:9px;letter-spacing:.13em}.cloud-menu-sheet button{display:block;width:100%;padding:11px 0;text-align:left;font-size:13px;border:0;border-radius:0;background:transparent;color:var(--cloud-ink)}.cloud-menu-sheet button:hover{color:#47775e}.cloud-menu-account{border-top:1px solid #dcded7;margin-top:15px;padding-top:18px}.cloud-menu-account>span{display:block;font-size:11px;overflow-wrap:anywhere;color:var(--cloud-muted)}.cloud-menu-account>button{font-size:11px;color:var(--cloud-muted)}
.cloud-save-status{position:absolute;top:47px;left:0;max-width:280px;padding:4px 8px;font-size:10px;color:var(--cloud-ink);border-radius:4px;background:rgba(250,249,244,.87);pointer-events:none}.cloud-save-status[data-quiet=true]{opacity:0}.cloud-project-tools:has(.cloud-project-menu[open])>.cloud-save-status{opacity:0}
.cloud-viewer{position:fixed;inset:0}.cloud-viewer .presentation-shell{inset:0}.cloud-viewer .presentation-header{top:0;justify-content:flex-end}.cloud-viewer .presentation-title{display:none}.cloud-viewer #presentation-close{display:none}.cloud-viewer #present-save,.cloud-viewer #present-restore{display:none}.cloud-viewer #live-keep,.cloud-viewer #live-name{display:none}.cloud-viewer #live-name-label{display:none}
.cloud-options{position:fixed;top:80px;left:28px;bottom:28px;width:318px;max-width:calc(100vw - 36px);z-index:110;background:rgba(250,249,244,.98);border:1px solid #d5dbd5;border-radius:14px;box-shadow:0 14px 55px #20372a22;display:flex;flex-direction:column;overflow:hidden}.cloud-options[hidden]{display:none}.cloud-options-head{padding:22px;display:flex;align-items:center;justify-content:space-between}.cloud-options-head h2{font:400 27px Georgia,serif;margin:0}.cloud-icon{border:0;background:none;font-size:23px;color:var(--cloud-muted);padding:3px 8px}.cloud-options-note{margin:0 22px 18px;color:var(--cloud-muted);font-size:12px;line-height:1.6}.cloud-options-list{padding:0 15px 18px;overflow-y:auto;flex:1}.cloud-option-card{background:#fff;border:1px solid #d8ded9;border-radius:10px;padding:15px;margin-bottom:12px}.cloud-option-card[data-active=true]{border:2px solid var(--cloud-green);padding:14px}.cloud-option-card h3{margin:0 0 8px;font-size:14px}.cloud-option-card small{color:var(--cloud-muted);font-size:11px}.cloud-option-actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}.cloud-option-actions button{padding:7px 10px;border:1px solid #d5dcd5;border-radius:6px;background:#f8faf7;color:var(--cloud-green);font-size:12px}.cloud-option-preferred{display:block;color:#497056;font-size:11px;margin-top:10px}.cloud-options-foot{padding:15px;border-top:1px solid var(--cloud-line)}.cloud-options-foot button{width:100%}
.cloud-dialog{border:1px solid #cbd4cd;border-radius:15px;padding:28px;width:390px;max-width:calc(100vw - 64px);box-shadow:0 25px 80px #15291d44;background:var(--cloud-paper);color:var(--cloud-ink)}.cloud-dialog::backdrop{background:#182b2566;backdrop-filter:blur(3px)}.cloud-dialog h2{font:400 29px Georgia,serif;margin:0 0 15px}.cloud-dialog p{line-height:1.55;color:var(--cloud-muted);font-size:13px}.cloud-dialog label{display:block;margin:16px 0;font-size:13px}.cloud-dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.cloud-dialog input[type=checkbox]{margin-right:8px}.cloud-dialog textarea{width:100%;box-sizing:border-box;min-height:100px;border:1px solid #c8ceca;border-radius:8px;padding:10px;word-break:break-all;font:12px/1.5 monospace}
#cloud-toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#253e34;color:#fff;padding:13px 21px;border-radius:10px;z-index:250;max-width:85vw;box-shadow:0 10px 30px #182c2633;font-size:13px}.cloud-offline{color:#9b6129}.cloud-dev-note{border:1px solid #d8c7a1;background:#fbf4de;padding:12px;border-radius:7px;font-size:12px!important}
/* The welcome is a letter over the real model, with no stock hero or project grid. */
.cloud-letter{box-sizing:border-box;width:480px;max-width:calc(100vw - 48px);max-height:calc(100dvh - 64px);margin:auto auto auto max(6vw,28px);padding:42px 44px 35px;border-radius:3px;border:1px solid #e2dfd3;background:#faf8f1;box-shadow:0 25px 100px #20302830;overflow:auto}.cloud-letter::backdrop{background:linear-gradient(90deg,#22372d38,#22372d0c);backdrop-filter:blur(2px)}.cloud-letter-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:44px}.cloud-letter-top .cloud-small{font-size:9px;letter-spacing:.16em}.cloud-letter-top .cloud-mark{width:27px;height:27px;font-size:19px;color:#607467}.cloud-letter .cloud-letter-kicker{font-size:12px;letter-spacing:.05em;margin:0 0 8px}.cloud-letter h1{font:400 clamp(38px,4vw,52px)/1.05 Georgia,serif;letter-spacing:-.045em;margin:0;color:#273c31}.cloud-letter-rule{width:42px;height:1px;background:#a69b7e;margin:27px 0}.cloud-letter>p{font-size:14px;line-height:1.8;color:#657067;margin:0 0 18px}.cloud-letter .cloud-letter-description{font-size:16px;color:#33483b;white-space:pre-line}.cloud-letter .cloud-letter-signature{font-family:Georgia,serif;font-style:italic;font-size:19px;color:#32483a;margin:27px 0 32px}.cloud-letter-bottom{display:flex;flex-direction:column;gap:16px}.cloud-letter-bottom .cloud-primary{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;font-size:13px;border-radius:4px}.cloud-letter-bottom>span{font-size:10px;color:#879084}
@media(max-width:760px){.cloud-login{grid-template-columns:1fr}.cloud-login-intro{min-height:210px;padding:30px}.cloud-login-intro h1{font-size:38px;margin:30px 0 10px}.cloud-login-intro p{display:none}.cloud-login-form{padding:35px 25px}.cloud-account>span{display:none}.cloud-top{height:68px}.cloud-dashboard{margin-top:38px}.cloud-dashboard h1{font-size:36px}.cloud-project-tools{top:18px;left:16px}.cloud-project-menu>summary{padding:0 7px}.cloud-menu-chevron{display:none}.cloud-save-tools{position:fixed;bottom:124px;right:16px}.cloud-save-tools button{min-height:40px;padding:10px 14px}.cloud-save-status{position:fixed;top:auto;left:auto;bottom:101px;right:16px;max-width:260px}.cloud-options{top:72px;left:16px;bottom:188px;max-width:calc(100vw - 32px);width:318px}.cloud-viewer .presentation-panel{max-height:calc(100% - 290px)}.cloud-viewer .live-finish-panel,.cloud-viewer .furniture-panel{bottom:188px}.cloud-app #cloud-toast{bottom:178px}.cloud-dialog{padding:22px}.cloud-project-art{height:170px}.cloud-letter{padding:30px;max-width:calc(100vw - 32px);max-height:calc(100dvh - 32px);margin:auto}.cloud-letter-top{margin-bottom:28px}.cloud-letter h1{font-size:41px}.cloud-letter>p{font-size:13px}.cloud-letter .cloud-letter-signature{font-size:18px;margin:22px 0}.cloud-letter-bottom .cloud-primary{padding:14px 16px}}
/* A calm arrival conceals intermediate model/sky states until the scene is ready. */
.cloud-viewer:is([data-arrival=preparing],[data-arrival=failed])::after{content:"";position:fixed;inset:0;z-index:120;background:radial-gradient(ellipse at 75% 45%,#d6ded2,#eaece3 70%);pointer-events:none}
.cloud-arrival{position:fixed;left:50%;top:45%;transform:translate(-50%,-50%);z-index:125;box-sizing:border-box;width:min(460px,calc(100vw - 48px));padding:32px;background:#f8f7f0;border:1px solid #ffffffb3;border-radius:12px;box-shadow:0 12px 60px #283a3510;color:var(--cloud-ink)}
.cloud-arrival[hidden]{display:none}.cloud-arrival h1{font:400 36px/1.1 Georgia,serif;letter-spacing:-.03em;margin:18px 0}.cloud-arrival p{font-size:14px;line-height:1.6;margin:12px 0}.cloud-arrival .cloud-arrival-note{font-size:12px;color:var(--cloud-muted)}.cloud-arrival button{margin-top:14px}
body:has(.cloud-letter[open]) .cloud-arrival{visibility:hidden}
.cloud-letter::backdrop{backdrop-filter:blur(0);background:linear-gradient(90deg,#23372d20,transparent 65%)}
body:has(.cloud-letter[open]) .cloud-viewer :is(.cloud-project-tools,.presentation-header,.presentation-player,.presentation-footer,.explore-controls,.presentation-panel,.live-finish-panel,.furniture-panel,.cloud-options){visibility:hidden}
.cloud-letter .cloud-letter-description{font:400 22px/1.45 Georgia,serif;letter-spacing:-.02em;color:#354b3c}
.cloud-letter .cloud-letter-signature{font-size:17px;margin-bottom:30px}
.cloud-invitation{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;padding:17px 0;border:0;border-top:1px solid #b9bdae;border-bottom:1px solid #b9bdae;border-radius:0;background:transparent;color:#2b4938;font:400 20px/1.2 Georgia,serif!important;text-align:left;transition:color .2s,border-color .2s}
.cloud-invitation svg{flex:none;transition:transform .25s}.cloud-invitation:hover:not(:disabled){color:#55775b;border-color:#6c816b}.cloud-invitation:hover:not(:disabled) svg{transform:translateX(5px)}.cloud-invitation:focus-visible{outline:2px solid #6c816b;outline-offset:6px}.cloud-invitation:disabled{opacity:.45}
.cloud-letter-bottom>span{min-height:14px;letter-spacing:.02em}.cloud-letter h1:focus{outline:none}
@media(prefers-reduced-motion:reduce){.cloud-invitation,.cloud-invitation svg{transition:none}}
@media(min-width:761px) and (max-width:1000px){.cloud-save-tools{position:fixed;left:28px;top:78px}.cloud-save-status{top:102px}.cloud-options{top:132px}.cloud-menu-sheet{z-index:1}}

/* Guest previews keep the current viewer dock and every local scene control. */
.cloud-guest .cloud-save-tools[hidden]{display:none}
.cloud-guest .cloud-menu-account{font-size:12px;line-height:1.6}
.cloud-share-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--cloud-line)}
.cloud-share-row strong,.cloud-share-row small{display:block}.cloud-share-row small{font-size:11px;color:var(--cloud-muted);margin-top:5px}
#share-result textarea{box-sizing:border-box;width:100%;min-height:84px;font:12px/1.5 monospace;padding:10px;margin:8px 0;resize:vertical}

.cloud-save-status{width:max-content}