:root{color-scheme:dark;--ink:#f5ecd5;--muted:#b2a895;--gold:#ddbd75;--line:#caa15f33;font-family:'Segoe UI',Arial,sans-serif;background:#0b0a09;color:var(--ink)}
.file-setup{position:fixed;left:50%;top:16px;transform:translateX(-50%);z-index:65;width:min(90vw,600px);padding:16px 20px;background:#080b10f5;border:1px solid #d8b26a77;border-radius:8px;text-align:center;color:#f6efe2;font:14px/1.4 'Segoe UI',sans-serif}.file-setup p{margin:8px 0}.file-setup progress{width:100%;accent-color:#d8b26a}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}button,a,input{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:7px;background:#252018;color:var(--ink);padding:12px 16px}button:hover:not(:disabled){background:#3c3020;border-color:#ddbd75}button:disabled{opacity:.35;cursor:not-allowed}a{color:#ddbd75}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #ffe6a1;outline-offset:3px}
/* One native 21:4 stage: all measurements scale with its width, not browser height. */
.screen-body{height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#000}.screen-loading .stage{visibility:hidden}
.stage{position:relative;isolation:isolate;width:min(100vw,525vh);aspect-ratio:21/4;overflow:hidden;container-type:inline-size;background:#100d09;color:#fff4db}
.stage::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 130%,#92702b44,transparent 64%),radial-gradient(ellipse at 10% 10%,#86632522,transparent 55%),linear-gradient(115deg,#080706,#1c150d 48%,#090807);z-index:-3}
.stage::after{content:'';position:absolute;inset:3% 1.5%;border:1px solid #b8954e44;pointer-events:none;z-index:20}
.stage-backdrop{position:absolute;inset:0;z-index:-2;background-position:center;background-size:cover;background-repeat:no-repeat}
.media-layer{position:absolute;inset:0;z-index:-2;overflow:hidden;pointer-events:none;background:transparent}.media-player-still,.media-player-video{transition:opacity .48s ease-in-out}
.stage.backdrop-candidate .stage-backdrop,.stage.backdrop-candidate .horizon,.stage.backdrop-candidate .dust,.stage.backdrop-candidate .filigree{display:none}
.filigree{position:absolute;width:64%;height:270%;top:-83%;left:18%;border:1px solid #c3a15b22;border-radius:50%;transform:rotate(-10deg);z-index:-1}
.filigree::before,.filigree::after{content:'';position:absolute;inset:8%;border:1px solid #c3a15b22;border-radius:50%}.filigree::after{inset:17%}
.dust{position:absolute;inset:0;z-index:-1;overflow:hidden}.dust i{position:absolute;width:.08cqw;height:.08cqw;border-radius:50%;background:#ecd294;box-shadow:0 0 .4cqw #ddbd75;animation:floatDust 12s ease-in-out infinite alternate;opacity:.45}
@keyframes floatDust{to{transform:translate(1cqw,-1.8cqw);opacity:.1}}
.masthead{position:absolute;top:7.5%;left:6%;right:6%;text-align:center;letter-spacing:.2em;font-size:.9cqw;color:#cfb77f;z-index:6}
.bottom-ornament{position:absolute;bottom:6.5%;left:35%;right:35%;height:1px;background:linear-gradient(90deg,transparent,#bb9255,transparent)}
.center-copy{position:absolute;left:34%;right:34%;top:25%;text-align:center;z-index:7;transition:opacity .6s,transform .6s}
.eyebrow{color:#d9b879;font-size:.65cqw;letter-spacing:.24em;text-transform:uppercase;margin:0 0 .6cqw}
.center-copy h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:2.25cqw;line-height:1.1;margin:.1cqw 0 .75cqw;color:#fff0cc;text-shadow:0 0 3cqw #d6a24633}
.center-copy .partnership{font-size:.95cqw;line-height:1.5;margin:0 auto;max-width:94%;color:#ead5a7}
.wordmark-line{display:flex;align-items:center;justify-content:center;gap:1.2cqw;margin:.9cqw 0;font-weight:500;font-size:1.03cqw}.wordmark-line b{font-weight:400;color:#b89551}.wordmark-line .wordmark{display:inline-flex;align-items:center;justify-content:center;min-width:4cqw;min-height:1.1cqw}.wordmark-line img{display:block;max-width:42%;height:auto;object-fit:contain}.wordmark-line .wordmark-fallback{color:#e6d2a6;font:inherit;letter-spacing:.04em}.wordmark-line .wordmark[data-wordmark-state=fallback] .wordmark-fallback{opacity:.9}.wordmark-line .wordmark-first,.wordmark-line .wordmark-second{display:inline-flex;align-items:center;justify-content:center}
.tagline{font-size:.55cqw;line-height:1.7;color:#c9bba0;margin:.4cqw 0 0}.tagline .cn{display:block;font-size:.72cqw;color:#e0c89b;letter-spacing:.1em;margin-top:.15cqw}.tagline .cn:empty{display:none}
.panel{--accent:#627a93;position:absolute;left:3.5%;width:29%;top:19%;height:66%;border:1px solid #cfaa6244;border-radius:.25cqw;background:radial-gradient(ellipse at 50% 80%,#96702418,transparent 75%);overflow:hidden;opacity:0;transform:translateY(.5cqw);transition:opacity .8s,transform .8s;z-index:2}
.panel.right{--accent:#935749;left:auto;right:3.5%}.panel.visible{opacity:1;transform:none}
.panel::before{content:'';position:absolute;width:80%;height:135%;left:10%;top:-20%;border:1px solid #cfa65744;border-radius:50%;transform:rotate(-10deg)}
.panel::after{content:'';position:absolute;inset:auto 8% 1.5cqw;height:1px;background:linear-gradient(90deg,transparent,#b48c4f,transparent)}
.portrait{position:absolute;inset:7% 8% 19%;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse,#af894326,transparent 60%)}
.portrait .avatar{position:relative;width:28%;height:78%;opacity:.45}.avatar::before{content:'';position:absolute;top:0;left:28%;width:44%;height:38%;border:1px solid #cba35b99;border-radius:50%;background:linear-gradient(135deg,#d5b97955,#55432244)}.avatar::after{content:'';position:absolute;bottom:0;left:0;right:0;height:57%;border:1px solid #cba35b99;border-radius:50% 50% 4% 4%;background:linear-gradient(135deg,#c1a06333,#40351f22)}
.portrait small{position:absolute;bottom:0;color:#b0996c;font-size:.52cqw;letter-spacing:.2em}
.person{position:absolute;bottom:9%;left:5%;right:5%;text-align:center}.person strong{font-family:Georgia,serif;font-size:1.2cqw;font-weight:400}.person span{display:block;color:#baa57c;font-size:.53cqw;letter-spacing:.1em;margin-top:.22cqw}
.documents{display:none;position:absolute;inset:0;background:radial-gradient(ellipse at 50% 20%,color-mix(in srgb,var(--accent) 35%,transparent),transparent 78%)}
.paper-window{position:absolute;left:9%;right:9%;top:6%;bottom:13%;overflow:hidden;opacity:.65;transform:perspective(40cqw) rotateX(7deg)}
.paper-strip{position:absolute;inset:0;background:repeating-linear-gradient(0deg,#dbcba9 0 3.5%,#8a7853 3.6% 4%,#dbcba9 4.1% 6.5%);height:220%;border:.65cqw solid #d6c5a1;animation:paperScroll 20s linear infinite;box-shadow:0 0 3cqw #0006}
.paper-strip::after{content:'';position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 15%,#dbcba9 15.2% 18%)}
@keyframes paperScroll{to{transform:translateY(-35%)}}
.sig-card{position:absolute;left:8%;right:8%;top:22%;bottom:17%;background:#15120fe6;border:1px solid #d5b37499;border-top:.16cqw solid var(--accent);box-shadow:0 .4cqw 2cqw #0008;border-radius:.2cqw;padding:0}
.sig-label{position:absolute;left:5%;top:7%;font-size:.55cqw;color:#d6bb88;letter-spacing:.17em}
.ink{position:absolute;left:5%;right:5%;top:22%;width:90%;height:72%;color:#f7e7b9;overflow:visible;filter:drop-shadow(0 0 .12cqw #f1d39466)}
.panel .portrait,.panel .documents{display:block;transition:opacity .65s ease,transform .65s ease,visibility .65s ease}.panel .portrait{opacity:1;visibility:visible}.panel .documents{opacity:0;visibility:hidden;transform:translateY(.5cqw);pointer-events:none}.signature-mode .documents{opacity:1;visibility:visible;transform:none;pointer-events:auto}.signature-mode .portrait{opacity:0;visibility:hidden;transform:translateY(-.5cqw);pointer-events:none}.signature-mode .person{bottom:6%}.signature-mode .person strong{font-size:.85cqw}.signature-mode .person span{font-size:.48cqw}
.round-two .panel.left{--accent:#935749}.round-two .panel.right{--accent:#627a93}
.lock-seal{position:absolute;inset:22% 8% 17%;border:1px solid #ffeab2;border-radius:.2cqw;pointer-events:none;opacity:0}.locking .lock-seal{animation:seal 2.6s ease-out both;animation-delay:var(--elapsed,0ms)}.locking .ink{color:#fff8d8;filter:drop-shadow(0 0 .4cqw #edc26b)}
@keyframes seal{0%{opacity:0;transform:scale(1.2)}35%{opacity:1;transform:scale(1)}80%{opacity:.9;box-shadow:0 0 2cqw #e8bd7566}100%{opacity:.25}}
.exchange .center-copy h1{font-size:2.4cqw}.force{position:absolute;top:34%;width:8cqw;height:8cqw;border-radius:50%;z-index:3;opacity:0;pointer-events:none;background:radial-gradient(circle at 35% 30%,#fff3cb,#61728c 26%,#161e2a 60%,transparent 74%);box-shadow:0 0 3cqw #64799044}
.force.a{left:17%}.force.b{right:17%;background:radial-gradient(circle at 35% 30%,#ffe7c0,#9a6048 26%,#2b1610 60%,transparent 74%);box-shadow:0 0 3cqw #975b4744}
.convergence{position:absolute;inset:0;z-index:4;opacity:0;pointer-events:none;background:radial-gradient(ellipse at 50% 50%,#ffe6a677,transparent 56%)}
.finale .panel{opacity:0}.finale .center-copy{animation:finalCopy var(--finale-duration,16s) both;animation-delay:var(--elapsed,0ms)}.finale .force.a{animation:approachA var(--finale-duration,16s) both;animation-delay:var(--elapsed,0ms)}.finale .force.b{animation:approachB var(--finale-duration,16s) both;animation-delay:var(--elapsed,0ms)}.finale .convergence{animation:goldBloom var(--finale-duration,16s) both;animation-delay:var(--elapsed,0ms)}
@keyframes approachA{0%{opacity:.8;transform:translateX(0) scale(.8)}35%{opacity:1;transform:translateX(29cqw) scale(.55)}45%,100%{opacity:0;transform:translateX(29cqw) scale(.1)}}
@keyframes approachB{0%{opacity:.8;transform:translateX(0) scale(.8)}35%{opacity:1;transform:translateX(-29cqw) scale(.55)}45%,100%{opacity:0;transform:translateX(-29cqw) scale(.1)}}
@keyframes goldBloom{0%,28%{opacity:0;transform:scale(.15)}43%{opacity:1;transform:scale(1)}65%,100%{opacity:.55;transform:scale(1.5)}}
@keyframes finalCopy{0%,42%{opacity:0;transform:translateY(.5cqw)}63%,100%{opacity:1;transform:none}}
.final-hold .panel{opacity:0}.final-hold .center-copy{opacity:1;transform:none;animation:none}.final-hold .convergence{opacity:.3}.holding .center-copy{left:23%;right:23%;top:23%}.holding .center-copy h1{font-size:2.7cqw}.holding .center-copy .partnership{font-size:1.14cqw}.holding .tagline{font-size:.7cqw}
.stage-watermark{position:absolute;bottom:1.3%;left:5%;right:5%;text-align:center;font-size:.62cqw;letter-spacing:.16em;color:#ffe9af;z-index:30}
.screen-status{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:50;max-width:90vw;padding:10px 16px;border:1px solid #caa15f55;border-radius:6px;background:#100d0af2;color:#e8c795;font-size:13px;text-align:center}
.stage > .synthetic-fallback{position:absolute;inset:19% 25%;z-index:12;display:grid;place-items:center;align-content:center;gap:1.2cqw;padding:2cqw;border:1px solid #f0c978aa;border-radius:.35cqw;background:#0b0a09e8;box-shadow:0 0 4cqw #d8a94b44;pointer-events:none;text-align:center;color:#ffe4a3}.stage > .synthetic-fallback[hidden]{display:none}.stage > .synthetic-fallback p{margin:0;font-size:1.05cqw;letter-spacing:.22em}.stage > .synthetic-fallback .synthetic-fallback-note{font-size:.58cqw;color:#d8c49b;letter-spacing:.11em}.stage > .synthetic-fallback svg{width:78%;height:auto;color:#f7d486;filter:drop-shadow(0 0 .35cqw #e8b85299);overflow:visible}.stage > .synthetic-fallback path{fill:none;stroke:currentColor;stroke-width:7;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1900;stroke-dashoffset:1900;animation:syntheticInk 2.8s ease-out forwards}.stage > .synthetic-fallback path+path{animation-delay:.35s}@keyframes syntheticInk{to{stroke-dashoffset:0}}
.ink.backup-active > path{display:none}.backup-ink path{stroke-dasharray:1;stroke-dashoffset:1}@keyframes backupDraw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}@media(prefers-reduced-motion:reduce){.backup-ink path{animation:none!important;stroke-dashoffset:0!important}}
/* Program-only controls stay outside the picture and require a trusted gesture. */
.program-controls{position:fixed;right:16px;top:16px;z-index:60;max-width:360px;padding:10px 14px;background:#080b10f5;border:1px solid #d8b26a77;border-radius:8px;color:#f6efe2;font:13px/1.4 'Segoe UI',sans-serif}.program-controls button{padding:8px 12px;font-size:12px}.program-controls p{margin:7px 0 0;color:#c4b9a7;font-size:11px}
/* Off-air sound setup is outside the picture and hidden before arming. */
.audio-setup{position:fixed;left:50%;bottom:12px;transform:translateX(-50%);z-index:60;max-width:560px;padding:12px 18px;background:#080b10f5;border:1px solid #d8b26a77;border-radius:8px;text-align:center;color:#f6efe2;font:13px/1.4 'Segoe UI',sans-serif}.audio-setup p{margin:8px 0 0}
/* Plain operator console */
.operator-body{padding:28px;background:#11100e}.operator-shell{max-width:1200px;margin:auto}.operator-header{display:flex;justify-content:space-between;gap:15px;margin-bottom:22px}.operator-header h1{font-family:Georgia,serif;font-weight:400;margin:0;font-size:28px}.muted{color:var(--muted);font-size:13px;line-height:1.6}.connection{font-size:13px;color:#dfa77e}.connection.online{color:#a8c595}.operator-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:16px}.card{border:1px solid var(--line);border-radius:9px;padding:20px;background:#1a1713;margin-bottom:16px}.card h2{font-size:11px;text-transform:uppercase;letter-spacing:.15em;color:#c6ad79;margin:0 0 12px}.card h3{margin:0;font-size:24px;font-weight:500}.primary{background:#d0ad67;color:#201a10;border-color:#e1c382;font-weight:600;width:100%;margin-top:10px}.primary:hover:not(:disabled){background:#e5c589}.row{display:flex;gap:10px;flex-wrap:wrap}.row button{flex:1}.spaced-row{margin-top:10px}.recovery button{font-size:13px}.danger{border-color:#875346;color:#e4b4a2;background:#33221c}.device{padding:11px 0;border-bottom:1px solid #ffffff0d;display:flex;justify-content:space-between;gap:12px;font-size:13px}.device-online{color:#aac796}.device-offline{color:#d6a17e}.status-note{min-height:20px;color:#e6b28b;font-size:13px;line-height:1.6;margin:10px 0}.preview{width:100%;aspect-ratio:21/4;border:0;background:#000;pointer-events:none}.pairing label{display:block;color:#bba77f;font-size:12px;margin-top:12px}.pairing a{font-size:12px;overflow-wrap:anywhere}.pairing input{width:100%;margin-top:5px;padding:9px;background:#0d0b09;border:1px solid var(--line);color:#c9bfa8;font-size:12px}.log{font:12px/1.6 monospace;max-height:130px;overflow:auto;color:#b0a48c}.pill{font-size:11px;border:1px solid var(--line);padding:5px 8px;border-radius:3px;color:#c4a871}.rehearsal-label{font-size:12px;letter-spacing:.12em;color:#efcb86;text-align:center}.operator-header .rehearsal-label{text-align:left}.invitation-row{margin-top:15px;padding-top:14px;border-top:1px solid var(--line)}.invitation-row h3{font:inherit;font-size:14px;margin:0 0 8px}.invitation-row button{font-size:12px;padding:9px 10px;margin:0 5px 7px 0}.action-dialog{max-width:min(92vw,520px);border:1px solid var(--line);border-radius:10px;padding:22px;background:#1a1713;color:var(--ink);box-shadow:0 12px 45px #000b}.action-dialog::backdrop{background:#0008}.action-dialog h2{font-size:16px;text-transform:uppercase;letter-spacing:.12em;color:#c6ad79;margin:0 0 12px}.action-dialog p{line-height:1.6;color:var(--muted)}.dialog-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;margin-top:20px}.dialog-actions button{min-width:96px}
/* Tablet keeps the same signature aspect ratio as the screen. Touch blocking is confined to its drawing surface. */
.tablet-body{height:100dvh;padding:20px;display:flex;flex-direction:column;gap:14px;background:radial-gradient(ellipse at top,#59451f33,transparent 65%),#100e0c;overflow:auto}.tablet-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.tablet-header h1{font-family:Georgia,serif;font-size:22px;font-weight:400;margin:0}.tablet-center{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}.tablet-center h2{font-size:22px;font-weight:400;margin:0;color:#ead4a2;text-align:center}.signing-surface{width:min(100%,1100px);aspect-ratio:5/2;max-height:65dvh;background:#201b13;border:1px solid #b7965655;border-radius:10px;position:relative;touch-action:none;color:#ffeab6}.signing-surface svg{width:100%;height:100%;touch-action:none}.signing-surface::before{content:'SIGN HERE';pointer-events:none;position:absolute;top:70%;left:8%;right:8%;font-size:12px;letter-spacing:.2em;color:#b7a17444;border-top:1px solid #d4ad651f;padding-top:10px;text-align:center}.signing-surface.blocked{opacity:.5}.tablet-controls{display:flex;gap:12px;justify-content:center}.tablet-controls button{min-width:135px}.tablet-help{margin:0;text-align:center;color:#b5a88d;font-size:13px}.tablet-notice{font-size:13px;color:#e8b686;text-align:center;min-height:20px}
.access-body{min-height:100dvh;display:grid;place-items:center;padding:24px;background:#11100e}.access-card{width:min(100%,460px);padding:28px;border:1px solid var(--line);border-radius:10px;background:#1a1713}.access-card h1{font-family:Georgia,serif;font-size:28px;font-weight:400}.access-card label{display:block;font-size:14px;margin:20px 0 8px}.access-card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:6px;background:#0d0b09;color:var(--ink)}
.review{max-width:1480px;margin:auto;padding:28px}.review h1{font-family:Georgia,serif;font-weight:400}.review h2{font-size:17px;font-weight:500}.review-grid{display:grid;gap:22px}.review img{display:block;width:100%;aspect-ratio:21/4;object-fit:contain;background:#000;border:1px solid #cba15e33}.review p{max-width:1000px}.review .note{padding:16px;border:1px solid #cab27933;border-radius:8px;background:#15120e}.review a{margin-right:18px}
@media(max-width:850px){.operator-grid{grid-template-columns:1fr}.operator-body{padding:15px}.operator-header{flex-direction:column}.tablet-body{padding:12px;gap:10px}.tablet-header h1{font-size:17px}.tablet-center h2{font-size:18px}.tablet-header .pill{flex-shrink:0}.access-card{padding:20px}}
@media(prefers-reduced-motion:reduce){.dust i,.paper-strip{animation:none}.panel,.center-copy{transition:none}}