.umb-game{--umb-font:19px;max-width:920px;margin:35px auto;border-radius:22px;overflow:hidden;background:#101c2e;color:#f5f2ed;box-shadow:0 24px 60px #050b1880}.umb-controls{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:15px;border-bottom:1px solid #ffffff20}.umb-controls-group{display:flex;flex-wrap:wrap;gap:7px}.umb-chip{font-size:12px!important;padding:8px 11px!important;border:1px solid #8a9eb155!important;color:inherit!important;background:transparent!important;border-radius:14px!important;cursor:pointer}.umb-scene{padding:clamp(24px,7vw,70px);min-height:330px}.umb-kicker{font-size:11px;letter-spacing:2px;text-transform:uppercase;opacity:.75}.umb-scene-title{font-size:clamp(30px,5vw,48px);line-height:1.15;margin:18px 0 28px;color:inherit}.umb-scene-body{font-size:var(--umb-font);line-height:1.85;max-width:68ch}.umb-scene-body p{margin:0 0 20px}.umb-prompt{font-size:21px;color:inherit;margin:38px 0 15px}.umb-choices{display:grid;gap:12px;margin-top:20px}.umb-choice,.umb-primary{font:inherit!important;font-size:16px!important;text-align:left!important;padding:18px 20px!important;cursor:pointer!important;border:1px solid #88b3c580!important;border-radius:14px!important;color:inherit!important;background:#ffffff0e!important;transition:background .2s,transform .2s}.umb-choice:hover,.umb-choice:focus-visible{background:#ffffff25!important;transform:translateY(-1px)}.umb-primary{background:#146a8e!important;text-align:center!important}.umb-end{margin-top:36px;padding:19px;border:1px solid #ffd79b66;border-radius:12px;color:#ffd79b}.umb-game-footer{border-top:1px solid #ffffff20;font-size:12px;opacity:.75;padding:14px 20px;text-align:center}.umb-game.mode-immersive{background:radial-gradient(ellipse at 50% 0%,#254368,#101827 70%);color:#f8f5ef}.umb-game.mode-reading.paper-sepia{background:#f3ebdb;color:#39342f}.umb-game.mode-reading.paper-light{background:#fffefa;color:#292d33}.umb-game.mode-reading.paper-dark{background:#22262d;color:#e7e3da}.umb-game.mode-reading .umb-scene{max-width:760px;margin:auto}.umb-game.mode-reading .umb-scene-body{font-family:Georgia,serif;line-height:1.95}.umb-game.mode-reading .umb-choice{border-color:#7f838488!important;background:transparent!important}.umb-game.mode-reading .umb-choice:hover{background:#88888816!important}.umb-game.mode-reading .umb-controls,.umb-game.mode-reading .umb-game-footer{border-color:#7774}.umb-game.mode-reading .umb-chip{border-color:#7776!important}.umb-game.mode-reading .umb-end{color:inherit;border-color:#8885}.umb-library{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin:25px 0}.umb-library-card{background:#12213a;border:1px solid #334965;border-radius:18px;padding:25px;color:#fff}.umb-library-card.umb-world-unexpected{background:linear-gradient(140deg,#16444e,#233553)}.umb-library-card.umb-world-dark{background:linear-gradient(140deg,#271b3b,#101f38)}.umb-library-card.umb-world-hidden{background:linear-gradient(140deg,#1c3040,#151925)}.umb-library-kicker{text-transform:uppercase;letter-spacing:1.6px;font-size:11px;opacity:.75}.umb-library-card h3{font-size:25px;color:#fff;margin:12px 0}.umb-library-card p{font-size:15px;opacity:.85}.umb-library-card a{color:#a6e9f5;font-weight:700}.umb-dashboard{background:#14243a;color:#fff;padding:28px;border-radius:18px}.umb-dashboard h3{color:#fff}.umb-dashboard a{color:#a8e4f7}.umb-muted{opacity:.65;font-size:13px}@media(max-width:600px){.umb-game{margin:14px 0;border-radius:16px}.umb-scene{padding:25px 19px}.umb-controls{padding:11px}.umb-scene-title{font-size:31px}.umb-scene-body{line-height:1.75}.umb-choices button{min-height:55px}}@media(prefers-reduced-motion:reduce){.umb-game *, .umb-game *:before{transition:none!important;scroll-behavior:auto!important}}

/* v0.3 - soundtrack and branded manager */
.umb-audio-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 16px;background:#0a1b30;border-bottom:1px solid #ffffff25;color:#fff}.umb-audio-bar button{border:1px solid #4d8caa;background:#17314a;color:#fff;border-radius:30px;padding:7px 13px;cursor:pointer;font-size:13px}.umb-audio-label{font-size:12px;color:#b6d6e9;flex:1;min-width:120px}.umb-audio-bar input[type=range]{width:78px;accent-color:#66cdea}.umb-manager{max-width:1100px;margin:25px auto 60px;padding:25px;background:#101f33;border:1px solid #35506e;border-radius:22px;color:#f3f5f8}.umb-manager h2{font-size:30px;margin:0 0 12px}.umb-manager h3{margin-top:28px}.umb-manager a{color:#8fddf2}.umb-manager .manager-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.umb-manager .manager-tabs a{padding:9px 15px;border:1px solid #526d8c;text-decoration:none;border-radius:12px}.umb-manager .manager-tabs .active{background:#31517a}.umb-manager .manager-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.umb-manager .manager-tile{padding:19px;border:1px solid #385474;background:#142942;border-radius:16px}.umb-manager .manager-tile strong{display:block;font-size:28px}.umb-manager label{display:grid;gap:7px;margin:12px 0}.umb-manager select,.umb-manager input[type=text],.umb-manager input[type=file]{display:block;max-width:100%;width:100%;padding:11px;background:#071324;color:white;border:1px solid #59718d;border-radius:10px}.umb-manager button,.umb-manager .umb-man-btn{background:#457ba6;color:white;border:0;padding:11px 17px;border-radius:12px;cursor:pointer;text-decoration:none;display:inline-block}.umb-manager table{width:100%;border-collapse:collapse}.umb-manager th,.umb-manager td{text-align:left;padding:12px;border-bottom:1px solid #3a506b;vertical-align:middle}.umb-manager .manager-scroll{overflow-x:auto}.umb-manager .manager-info{padding:12px;border:1px solid #436b78;background:#112d39;border-radius:10px;margin:14px 0}.umb-game.mode-reading .umb-audio-bar{background:#222d35;color:white}.umb-game.mode-reading .umb-audio-bar button{color:white!important}.umb-manager form.inline{display:inline}@media(max-width:600px){.umb-manager{padding:17px}.umb-manager th,.umb-manager td{padding:9px 5px;font-size:12px}.umb-audio-label{width:100%;flex-basis:100%}}

/* Literary edition: distinguish navigation from meaningful player choices. */
.umb-read-end{margin-top:38px;padding-top:22px;border-top:1px solid currentColor;opacity:.54;font-size:10px;letter-spacing:2.4px;font-weight:700}
.umb-continue{justify-self:end;min-width:190px;text-align:center!important}
.umb-game.mode-reading .umb-continue{background:#e2d4b9!important;color:#30291f!important;border-color:#a79674!important}
.umb-game.mode-reading.paper-dark .umb-continue{background:#555c6b!important;color:#fff!important}
.umb-game.mode-reading .umb-scene-body p:first-child:first-letter{font-size:1.12em}
.umb-game.mode-reading .umb-scene-body{max-width:64ch}
@media(max-width:600px){.umb-continue{width:100%}}

/* Cinematic introduction v0.6 */
body.umb-intro-open{overflow:hidden!important}.umb-intro-overlay{position:fixed;inset:0;z-index:999999;background:rgba(2,7,16,.97);display:flex;align-items:center;justify-content:center;padding:clamp(8px,2vw,25px);color:#fff}.umb-intro-stage{position:relative;width:min(1280px,100%);aspect-ratio:16/9;max-height:90vh;background:#050b14;box-shadow:0 25px 90px #000b;overflow:hidden;border:1px solid #ffffff29;border-radius:12px}.umb-intro-stage video{width:100%;height:100%;object-fit:contain;display:block;background:#050b14}.umb-intro-heading{position:absolute;bottom:11%;left:5%;right:5%;pointer-events:none;text-shadow:0 3px 22px #000,0 1px 10px #000;display:grid;gap:8px}.umb-intro-heading strong{font-size:clamp(19px,4vw,52px);letter-spacing:.025em;line-height:1.1}.umb-intro-kicker{font-size:clamp(9px,1.2vw,14px);letter-spacing:.32em;color:#c4d9eb}.umb-intro-actions{position:absolute;right:3%;top:3%;display:flex;gap:9px}.umb-intro-actions button{background:#081625c9;border:1px solid #88b6d1a6;border-radius:30px;color:white;padding:10px 13px;cursor:pointer;font-size:13px}.umb-intro-actions button:hover{background:#213952}.umb-intro-stage:focus-within{outline:2px solid #b0dfff}@media(max-width:600px){.umb-intro-overlay{padding:0}.umb-intro-stage{width:100%;border-radius:0}.umb-intro-actions{top:8px;right:8px}.umb-intro-actions button{font-size:11px;padding:8px}.umb-intro-heading{bottom:8%}}