.studio-body{background:#fff}
.studio-header{position:static;max-width:1600px;margin:auto;border-bottom:1px solid var(--line)}
.studio-back{font-size:12px;font-weight:650;display:flex;align-items:center;gap:15px;min-height:44px}
.studio-back:hover{color:var(--red)}
.studio-main{max-width:1440px;margin:auto;padding:35px 5.5vw 50px}
.studio-intro{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:25px}
.studio-intro .eyebrow{font-size:9px;margin-bottom:10px}
.studio-intro h1{font-size:clamp(35px,4vw,55px);line-height:1.05;letter-spacing:-.055em;margin-bottom:12px}
.studio-intro p:not(.eyebrow){font-size:13px;color:var(--muted)}
.preview-tag{flex:none;font-size:9px;text-transform:uppercase;font-weight:800;letter-spacing:.12em;padding:9px 12px;background:#f7e6d9;color:#803928;border-radius:3px;margin-top:6px}
.studio-layout{display:grid;grid-template-columns:minmax(0,1.13fr) minmax(0,1fr);gap:clamp(30px,5vw,75px);align-items:start}
.studio-preview{background:var(--warm);padding:20px 25px 18px;border-radius:4px;position:sticky;top:22px;min-width:0;overflow:hidden}
.preview-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:28px}
.preview-state{font-size:10px;font-weight:650;overflow-wrap:anywhere;min-width:0}
.text-button{background:none;border:0;color:var(--red);padding:4px 0;font-size:10px;font-weight:750;min-height:32px}
.text-button:hover{text-decoration:underline}
.preview-toolbar .text-button{flex:none}
.custom-stage{height:390px;display:grid;place-items:center;position:relative;perspective:1300px;isolation:isolate;touch-action:pan-y}
.studio-disc{position:absolute;width:310px;height:310px;border-radius:50%;background:#ede2d8;z-index:-1;top:40px;left:50%;transform:translateX(-50%)}
.custom-stage::after{content:"";position:absolute;bottom:8px;left:50%;transform:translateX(-50%) rotate(-8deg);width:245px;height:22px;background:#29272520;filter:blur(12px);border-radius:50%;z-index:-1}
.custom-book{--cover-aspect:0.72549;--turn:-18deg;--lean:6deg;height:340px;aspect-ratio:var(--cover-aspect);position:relative;transform-style:preserve-3d;transform:rotateX(var(--lean)) rotateY(var(--turn)) rotateZ(-3deg);transition:transform .18s ease,aspect-ratio .25s ease}
#cover-canvas{position:absolute;inset:0;display:block;width:100%;height:100%;border-radius:1px 4px 4px 1px;transform:translateZ(9px);backface-visibility:hidden;background:white;box-shadow:12px 17px 19px #29272522}
.custom-book-sheen{position:absolute;inset:0;border-radius:1px 4px 4px 1px;background:linear-gradient(90deg,#0002 0%,transparent 4%,#fff2 5%,transparent 13%,transparent 82%,#fff2);transform:translateZ(9.2px);backface-visibility:hidden;pointer-events:none}
.custom-book-back{position:absolute;inset:0;display:block;width:100%;height:100%;background:white;border-radius:1px 4px 4px 1px;transform:rotateY(180deg) translateZ(9px);backface-visibility:hidden;box-shadow:12px 17px 19px #29272522}
.custom-book-pages{position:absolute;right:-8px;top:2px;width:18px;height:calc(100% - 4px);background:repeating-linear-gradient(90deg,#fafafa 0px,#fafafa 1px,#d6d4d1 1px,#e9e7e4 2px);transform:rotateY(90deg);border-radius:1px}
.custom-book-spine{position:absolute;left:-9px;top:0;width:18px;height:100%;background:linear-gradient(90deg,#762a2c,#b7282d);transform:rotateY(90deg)}
.custom-stage.is-flat .custom-book{transform:rotateX(0) rotateY(0) rotateZ(0)}
.custom-stage.is-flat #cover-canvas{box-shadow:0 8px 14px #29272514}
.custom-stage.is-flat .studio-disc{opacity:.5}
.custom-stage.is-back .custom-book{transform:rotateX(var(--lean)) rotateY(calc(180deg + var(--turn))) rotateZ(-3deg)}
.custom-stage.is-flat.is-back .custom-book{transform:rotateX(0) rotateY(180deg) rotateZ(0)}
.cover-side-controls{display:flex;gap:5px;border:1px solid #d8ccc2;padding:4px;background:#fff;border-radius:4px;margin-top:7px}
.side-button{flex:1;min-height:40px;font-size:11px;font-weight:750;border-radius:3px;background:transparent;color:var(--muted)}
.side-button.is-selected{color:#fff;background:var(--ink)}
.view-controls{display:flex;align-items:center;gap:6px;margin:10px 0 18px;flex-wrap:wrap}
.view-button{background:transparent;border:1px solid #d8ccc2;padding:8px 11px;color:var(--muted);font-size:10px;font-weight:700;min-height:36px;border-radius:3px}
.view-button.is-selected{color:var(--ink);background:#fff;border-color:var(--ink)}
.turn-control{margin-left:auto;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:9px}
.turn-control input{width:90px;min-height:32px}
.turn-control output{width:28px;text-align:right;font-variant-numeric:tabular-nums}
input[type=range]{accent-color:var(--red);cursor:pointer}
.sample-covers{display:flex;align-items:center;gap:13px;padding-top:17px;border-top:1px solid #e4dcd4}
.sample-covers>span{font-size:9px;line-height:1.6;max-width:70px;color:var(--muted);flex:none}
.sample-options{display:flex;gap:8px;min-width:0}
.sample-cover{padding:3px;background:white;border:1px solid transparent;border-radius:3px;width:44px;height:56px;flex:none}
.sample-cover img{height:100%;width:100%;object-fit:cover}
.sample-cover.is-selected{border-color:var(--red);box-shadow:0 0 0 1px var(--red)}
.sample-cover:hover{border-color:var(--red)}
.preview-disclaimer{margin-top:14px;font-size:9px;color:var(--muted);line-height:1.7}
.studio-settings{min-width:0}
.settings-heading>span{display:block;font-size:10px;color:var(--red);font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:9px}
.settings-heading>p{font-size:11px;color:var(--muted);line-height:1.8;margin-bottom:14px;max-width:370px}
.upload-zone{position:relative;display:grid;grid-template-columns:36px 1fr;column-gap:13px;align-items:center;border:1px dashed #b9a697;padding:19px 21px;border-radius:4px;background:#fffbf8;cursor:pointer;transition:border-color .2s,background-color .2s}
.upload-zone:hover,.upload-zone.is-dragging,.upload-zone:focus-within{border-color:var(--red);background:#fdf0e9}
.upload-mark{grid-row:1/4;font-size:24px;color:var(--red);text-align:center}
.upload-zone strong{font-size:12px;overflow-wrap:anywhere}
.upload-zone>span:not(.upload-mark){font-size:10px;margin-top:4px;color:var(--muted)}
.upload-zone small{font-size:9px;color:var(--muted);margin-top:6px}
.file-input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.upload-status{font-size:10px;line-height:1.65;min-height:17px;margin:8px 0 19px;color:var(--muted)}
.upload-status.is-error{color:var(--red);font-weight:650}
.size-choices{border:0;padding:0;margin:13px 0 17px;display:grid;grid-template-columns:1fr 1fr;gap:12px;min-width:0}
.size-choices legend,.preference-grid>label{font-size:10px;font-weight:750}
.size-choices legend{margin-bottom:9px}
.size-choice{border:1px solid #dcd6d0;border-radius:3px;padding:11px 12px;display:flex;align-items:center;gap:11px;cursor:pointer;min-width:0}
.size-choice:has(input:checked){border-color:var(--red);background:#fff9f6}
.size-choice input{accent-color:var(--red);flex:none}
.size-choice strong{font-size:11px;display:block}
.size-choice small{font-size:9px;color:var(--muted);display:block;margin-top:3px}
.preference-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 12px}
.preference-grid>label{display:flex;flex-direction:column;gap:7px;min-width:0}
.preference-grid select,.preference-grid input{width:100%;border:1px solid #dcd6d0;border-radius:3px;background:white;padding:10px 12px;font-size:11px;font-family:inherit;color:var(--ink);min-height:40px;min-width:0}
.preference-grid input::placeholder{color:#837b73;font-size:10px}
.artwork-adjustments{margin-top:20px;border-top:1px solid var(--line);padding-top:13px}
.artwork-adjustments summary{font-size:11px;font-weight:750;list-style:none;display:flex;align-items:center;justify-content:space-between;cursor:pointer;min-height:35px}
.artwork-adjustments summary::-webkit-details-marker{display:none}
.artwork-adjustments summary>span[aria-hidden]{font-size:18px;font-weight:400}
.artwork-adjustments[open] summary>span[aria-hidden]{transform:rotate(45deg)}
.adjustment-body{padding-top:9px}
.fit-controls{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:11px}
.fit-controls button:not(.text-button){padding:8px 10px;min-height:34px;background:white;border:1px solid #dcd6d0;font-size:10px;font-weight:650;border-radius:3px;color:var(--muted)}
.fit-controls button.is-selected:not(.text-button){background:var(--ink);border-color:var(--ink);color:white}
.fit-controls .text-button{margin-left:auto;font-size:9px}
.adjustment-control{display:grid;grid-template-columns:66px 1fr 36px;align-items:center;gap:11px;font-size:10px;color:var(--muted)}
.adjustment-control input{width:100%;min-height:30px}
.adjustment-control output{text-align:right;font-variant-numeric:tabular-nums;font-size:9px}
.studio-summary{border-top:1px solid var(--line);padding-top:16px;margin-top:14px}
#configuration-summary{font-size:11px;font-weight:700;margin-bottom:11px;line-height:1.7}
.studio-summary>.btn{width:100%;justify-content:space-between;font-size:12px;min-height:45px}
.download-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:5px}
.download-button{display:block;margin:0;min-height:44px}
.local-privacy{font-size:9px;text-align:center;color:var(--muted);line-height:1.8;max-width:360px;margin:5px auto 0}
.studio-footer{max-width:1440px;margin:auto;padding:20px 5.5vw;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:9px;color:var(--muted);line-height:1.8}
#design-review{max-width:720px}
#design-review h2{font-size:30px;line-height:1.2;padding-right:10px;letter-spacing:-.035em}
.review-layout{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:28px;margin:25px 0}
.review-covers{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start}
.review-covers figure{margin:0;min-width:0}
.review-covers img{display:block;width:100%;max-height:280px;object-fit:contain;object-position:top;box-shadow:0 6px 15px #29272520}
.review-covers figcaption{margin-top:9px;font-size:10px;color:var(--muted);text-align:center}
#review-specifications{margin:0;display:grid;grid-template-columns:1fr 1.6fr;align-content:start;gap:12px 15px;font-size:11px;line-height:1.7}
#review-specifications dt{color:var(--muted)}
#review-specifications dd{font-weight:650;margin:0;overflow-wrap:anywhere}
.review-note{font-size:11px;line-height:1.8;color:var(--muted);margin-bottom:22px}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--red);outline-offset:4px}
@media(min-width:1500px){.studio-main{padding-left:75px;padding-right:75px}.custom-stage{height:450px}.custom-book{height:390px}.studio-disc{width:350px;height:350px;top:45px}}
@media(max-width:1050px){.studio-layout{gap:25px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.studio-preview{padding:16px}.custom-stage{height:365px}.custom-book{height:310px}.studio-disc{width:265px;height:265px;top:40px}.sample-covers{flex-direction:column;align-items:flex-start;gap:8px}.sample-covers>span{max-width:none}.view-controls{gap:5px}.turn-control{width:100%;margin-left:0;justify-content:flex-end;margin-top:5px}.turn-control input{flex:1}.size-choice{padding:11px 8px;gap:7px}}
@media(max-width:767px){.studio-header{height:75px;padding:0 20px}.studio-header .brand-wordmark{width:135px}.studio-header .brand-emblem{width:39px}.studio-back{font-size:10px;gap:5px}.studio-main{padding:28px 22px 38px}.studio-intro{gap:10px;margin-bottom:23px}.studio-intro h1{font-size:36px}.studio-intro p:not(.eyebrow){font-size:11px;max-width:230px;line-height:1.8}.preview-tag{font-size:7px;padding:7px 8px}.studio-layout{grid-template-columns:1fr;gap:29px}.studio-preview{position:static;padding:16px 18px}.custom-stage{height:310px}.custom-book{height:267px}.studio-disc{height:230px;width:230px;top:34px}.view-controls{flex-wrap:nowrap;gap:6px}.view-button{font-size:9px;padding:8px}.turn-control{width:auto;margin:0 0 0 auto;justify-content:flex-end;gap:6px}.turn-control input{width:60px;flex:none}.sample-covers{flex-direction:row;align-items:center;gap:12px}.sample-covers>span{max-width:57px;font-size:8px}.sample-options{gap:7px}.sample-cover{width:31px;height:43px}.settings-heading>p{font-size:12px;max-width:none}.settings-heading>span{font-size:10px}.upload-zone{padding:20px}.upload-zone strong{font-size:13px}.upload-zone>span:not(.upload-mark){font-size:11px}.upload-zone small{font-size:10px}.upload-status{font-size:11px}.size-choices legend,.preference-grid>label{font-size:11px}.size-choice{padding:12px;gap:10px}.size-choice strong{font-size:12px}.size-choice small{font-size:10px}.preference-grid input,.preference-grid select{font-size:16px;min-height:46px}.preference-grid input::placeholder{font-size:11px}.artwork-adjustments summary{font-size:12px;min-height:42px}.adjustment-control{font-size:11px;min-height:40px}.fit-controls button:not(.text-button){font-size:11px;min-height:40px}.studio-summary>.btn{font-size:13px;min-height:48px}.local-privacy{font-size:10px}.download-button{font-size:11px;min-height:44px}.studio-footer{padding:18px 22px;flex-direction:column;gap:5px;font-size:9px}.review-layout{grid-template-columns:110px 1fr;gap:17px}#review-specifications{grid-template-columns:1fr;gap:3px;font-size:10px}#review-specifications dd{margin-bottom:8px}#design-review h2{font-size:26px}.review-note{font-size:11px}}
@media(max-width:380px){.studio-header{padding:0 15px}.studio-header .brand-wordmark{width:118px}.studio-header .brand-emblem{width:33px}.studio-back{font-size:9px}.studio-main{padding-left:15px;padding-right:15px}.studio-intro h1{font-size:32px}.preview-tag{font-size:6px}.studio-preview{padding:14px}.sample-options{gap:6px}.sample-cover{width:29px;height:41px}.sample-covers{gap:8px}.turn-control>output{display:none}}
@media(prefers-reduced-motion:reduce){.custom-book,.upload-zone{transition:none}}
@media(max-width:767px){.sample-covers{flex-direction:column;align-items:flex-start;gap:7px}.sample-covers>span{max-width:none}.sample-options{overflow-x:auto;width:100%;padding:2px;gap:8px}.sample-cover{width:44px;height:56px}}
@media(max-width:767px){.side-button{min-height:44px}.review-layout{grid-template-columns:1fr;gap:22px}.review-covers{max-width:290px;margin:0 auto;width:100%}#review-specifications{grid-template-columns:1fr 1.4fr;gap:8px 12px}.download-button{font-size:10px}.studio-intro p:not(.eyebrow){max-width:250px}}