.app-builder{border:1px solid #ffffff24;border-radius:18px;background:#1f1e1c;overflow:hidden;--page-colour:#000}
.playground-intro{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 30px;border-bottom:1px solid #ffffff18}
.playground-intro strong{font-size:20px;font-weight:500;letter-spacing:-.4px}.playground-intro p{font-size:12px;color:#aaa9a3;margin:8px 0 0}.preview-label{font-size:9px;letter-spacing:1.7px;color:#aaa9a3;white-space:nowrap}
.app-toolbar{display:flex;align-items:center;justify-content:center;gap:10px;padding:18px;background:#2e2e2c;border-bottom:1px solid #ffffff12}
.app-toolbar button{width:49px;height:49px;display:grid;place-items:center;background:#171716;color:#eee;border:1px solid transparent;border-radius:15px;cursor:pointer;flex-shrink:0}.app-toolbar svg{width:24px;height:24px}.app-toolbar button.active{background:#2ec4b624;color:#2ec4b6;border-color:#2ec4b6}.app-toolbar button:first-child:not(.active){color:#171716;background:#f4b81a}.app-toolbar button:disabled{color:#66665f;opacity:.45;cursor:default}.app-toolbar button:hover:not(:disabled){border-color:#2ec4b6}.app-toolbar button:focus-visible,.app-builder .card-slot:focus-visible{outline:2px solid #f4b81a;outline-offset:3px}
.app-view-tabs{display:flex;justify-content:center;border-bottom:1px solid #ffffff1c;color:#898984;font-size:13px}.app-view-tabs span{width:33.333%;max-width:230px;text-align:center;padding:17px 0;border-bottom:3px solid transparent}.app-view-tabs .active{border-color:#2ec4b6;color:#2ec4b6}
.spread-viewport{padding:40px 24px;background:#1f1e1c;overflow:auto}.app-spread{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-width:950px;margin:auto;align-items:stretch}
.app-spread .app-page.binder-grid{width:100%;max-width:none;margin:0;padding:10px;background:var(--page-colour);border-radius:9px;gap:7px;box-sizing:border-box;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:1fr}
.app-spread .card-slot{padding:0;border:1px solid #ffffff24;border-radius:5px;background:#141413;box-shadow:none;transform:none;overflow:hidden;cursor:default;aspect-ratio:63/88;transition:box-shadow .15s}.app-spread .card-slot img{border-radius:4px;width:100%;height:100%;object-fit:cover}.app-spread .card-slot:after{display:none}.app-spread .michi-slot{aspect-ratio:auto}.app-spread .card-slot:hover{transform:none;box-shadow:none}.is-editing .card-slot{cursor:grab}.app-spread .card-slot.selected{box-shadow:0 0 0 2px #2ec4b6;outline:2px solid #2ec4b6;outline-offset:1px;z-index:1;transform:none}.app-spread .missing img,.app-spread .missing:hover img{filter:none;opacity:.25}.app-card-count{position:absolute;bottom:3px;left:3px;min-width:18px;height:18px;border-radius:7px;background:#111e;color:#ddd;display:grid;place-items:center;font-size:10px;padding:2px}
.app-builder[data-missing-style=grey] .missing img{filter:grayscale(1);opacity:.3}.app-builder[data-missing-style=outline] .missing img{filter:grayscale(1) brightness(.3);opacity:.12}
.app-builder-status{display:flex;justify-content:space-between;gap:22px;padding:18px 26px;border-top:1px solid #ffffff18;min-height:60px;align-items:center;font-size:12px;color:#b6b5b0}.app-builder-status #edit-state{font-size:10px;color:#2ec4b6;white-space:nowrap}.app-builder-status #demo-help{max-width:600px}
.playground-footer{display:flex;justify-content:space-between;gap:14px;padding:16px 26px;background:#171716;font-size:10px;color:#94948e;align-items:center}.playground-footer button{border:0;background:transparent;color:#2ec4b6;font:inherit;padding:8px;cursor:pointer;text-decoration:underline;text-underline-offset:4px}.app-builder .artwork-credit{font-size:10px;margin:16px;text-align:center;color:#96958f}
.playground-options{display:flex;justify-content:center;gap:28px;align-items:center;padding:20px;background:#2c2c29;border-bottom:1px solid #ffffff16}.playground-options[hidden]{display:none}.playground-options label{font-size:12px;color:#bdbdb7;display:flex;align-items:center;gap:10px}.playground-options select{background:#171716;color:#eee;border:1px solid #ffffff28;padding:8px;border-radius:6px}.playground-options input{width:38px;height:34px;background:none;border:0}
@media(max-width:760px){.playground-intro{padding:22px 18px}.playground-intro strong{font-size:17px}.playground-intro p{font-size:11px}.preview-label{font-size:7px;letter-spacing:1px}.app-toolbar{gap:5px;padding:12px 8px}.app-toolbar button{width:36px;height:38px;border-radius:11px}.app-toolbar svg{width:21px;height:21px}.app-view-tabs{font-size:11px}.app-view-tabs span{padding:13px 0}.spread-viewport{padding:28px 8px}.app-spread{gap:5px}.app-spread .app-page.binder-grid{padding:5px;gap:3px;border-radius:6px}.app-spread .card-slot{border-radius:3px}.app-spread .card-slot img{border-radius:2px}.app-card-count{min-width:10px;height:10px;font-size:7px;border-radius:3px;padding:1px;bottom:1px;left:1px}.app-builder-status{padding:15px 17px;font-size:11px;gap:12px;align-items:flex-start;flex-direction:column}.playground-footer{padding:12px 15px;font-size:9px}.playground-options{padding:14px;gap:12px;flex-wrap:wrap}.playground-options label{font-size:11px}}
@media(max-width:360px){.app-toolbar{gap:3px}.app-toolbar button{width:32px;height:35px}.preview-label{display:none}}
.app-spread{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
.app-spread .app-page.binder-grid{min-width:0;aspect-ratio:.73;grid-template-rows:repeat(3,minmax(0,1fr));grid-auto-rows:auto}
.app-spread .card-slot{width:100%;height:100%;min-height:0;aspect-ratio:auto}
.app-spread .card-slot img{position:absolute;inset:0}
.app-card-tray{background:#171716;border-top:1px solid #ffffff26;padding:10px 22px 18px}.app-card-tray[hidden]{display:none}.tray-handle{width:44px;height:3px;border-radius:4px;background:#ffffff30;margin:0 auto 14px}.tray-heading{display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:13px;margin-bottom:16px;color:#eee}.tray-heading small{font-size:10px;color:#969690;margin-left:9px}.tray-hint{font-size:10px;color:#999991}.tray-cards{display:flex;gap:13px;overflow-x:auto;padding:4px 3px 12px;scrollbar-width:thin;scrollbar-color:#55554e transparent;overscroll-behavior-x:contain}.tray-card{display:flex;flex-direction:column;gap:6px;flex:0 0 98px;min-width:0;border:0;background:none;color:#eee;padding:0;text-align:left;cursor:grab}.tray-card img{width:98px;height:137px;object-fit:contain;border-radius:5px}.tray-card>span{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:98px}.tray-card small{font-size:8px;color:#a5a59f}.tray-card.selected img{outline:2px solid #2ec4b6;outline-offset:2px}.tray-card:focus-visible{outline:2px solid #f4b81a;outline-offset:2px;border-radius:5px}
@media(max-width:760px){.app-card-tray{padding:9px 13px 12px}.tray-heading{font-size:12px;margin-bottom:10px}.tray-heading small{font-size:8px;margin-left:5px}.tray-hint{font-size:8px}.tray-cards{gap:10px}.tray-card{flex-basis:78px}.tray-card img{width:78px;height:109px}.tray-card>span{max-width:78px;font-size:9px}.tray-card small{font-size:7px}}
/* A fixed camera viewport, with the card tray layered above the spread. */
.binder-canvas{position:relative;height:clamp(420px,58vw,660px);isolation:isolate;background:#1f1e1c}
.binder-canvas .spread-viewport{position:absolute;inset:0;padding:0;overflow:hidden;touch-action:none;cursor:grab}
.binder-canvas .app-spread{position:absolute;left:50%;top:50%;width:calc(100% - 48px);max-width:950px;margin:0;transform-origin:center;will-change:transform}
.binder-canvas .spread-viewport.is-panning,.canvas-pan-mode .spread-viewport,.canvas-pan-mode .app-spread .card-slot{cursor:grab}.binder-canvas .spread-viewport.is-panning,.binder-canvas .spread-viewport.is-panning .card-slot{cursor:grabbing}
.canvas-controls{position:absolute;right:14px;top:14px;z-index:3;display:flex;align-items:center;gap:3px;padding:5px;background:#171716f2;border:1px solid #ffffff24;border-radius:12px;box-shadow:0 4px 16px #0005}
.canvas-controls button{display:grid;place-items:center;width:34px;height:34px;padding:7px;color:#d6d5cf;background:transparent;border:1px solid transparent;border-radius:7px}.canvas-controls button[aria-pressed=true]{color:#2ec4b6;background:#2ec4b622;border-color:#2ec4b670}.canvas-controls button:disabled{opacity:.3;cursor:default}.canvas-controls button:hover:not(:disabled){background:#ffffff0a}.canvas-controls .site-icon{width:19px;height:19px}.canvas-controls output{min-width:42px;text-align:center;font-size:10px;color:#c4c3bd;font-variant-numeric:tabular-nums}
.binder-canvas .app-card-tray{position:absolute;z-index:4;bottom:0;left:0;right:0;background:#171716f5;border:1px solid #ffffff24;border-bottom:0;border-radius:17px 17px 0 0;padding-top:0;box-shadow:0 -10px 28px #0006;backdrop-filter:blur(12px)}
.tray-toggle{display:block;width:100%;padding:11px 0 0;background:none;border:0;color:inherit;text-align:left}.tray-toggle .tray-handle{display:block;margin-bottom:12px}.tray-toggle .tray-heading{display:flex;margin-bottom:14px}.tray-toggle-label{font-size:10px;color:#2ec4b6}.tray-cards[hidden]{display:none}.app-card-tray.is-minimised{padding-bottom:0}.app-card-tray.is-minimised .tray-handle{margin-bottom:7px}.app-card-tray.is-minimised .tray-heading{margin-bottom:10px}
@media(max-width:760px){.binder-canvas{height:440px}.binder-canvas .app-spread{width:calc(100% - 20px)}.canvas-controls{top:10px;right:10px;padding:3px;border-radius:10px}.canvas-controls button{width:30px;height:30px;padding:6px}.canvas-controls output{min-width:35px;font-size:9px}.canvas-controls .site-icon{width:17px;height:17px}.tray-toggle .tray-heading{margin-bottom:10px}.tray-toggle-label{font-size:9px}}
@media(prefers-reduced-motion:reduce){.binder-canvas *{scroll-behavior:auto}}

.binder-preview-note{max-width:740px;margin:18px auto 0;padding:0 12px;color:var(--muted);font-size:12px;line-height:1.7;text-align:center}
@media(max-width:760px){.binder-preview-note{font-size:11px;padding:0 4px;text-align:left}}

.preview-announcement{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.app-view-tabs button{width:33.333%;max-width:230px;text-align:center;padding:17px 0;border:0;border-bottom:3px solid transparent;background:none;font:inherit;font-size:13px;color:#898984}.app-view-tabs button.active{border-color:#2ec4b6;color:#2ec4b6}.app-view-tabs button:hover{color:#eee}
.binder-navigator{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 22px;border-bottom:1px solid #ffffff15;color:#bdbdb6;font-size:12px}.binder-navigator button{display:grid;place-items:center;border:1px solid #ffffff20;border-radius:9px;background:#171716;color:#ddd;width:35px;height:32px}.binder-navigator button:disabled{opacity:.25;cursor:default}.binder-navigator .site-icon{width:17px;height:17px}.next-arrow{transform:rotate(180deg)}.canvas-controls[hidden],.binder-navigator[hidden]{display:none}
.app-spread.is-cover{display:block}.example-cover{position:relative;width:52%;max-width:390px;aspect-ratio:.73;margin:auto;border-radius:13px;border:1px solid #ffffff20;overflow:hidden;background:#24241f;box-shadow:inset 10px 0 12px #0006,0 12px 25px #0005}.example-cover::after{content:'';position:absolute;inset:0;border-left:12px solid #0005;pointer-events:none}.example-cover .cover-art{width:100%;height:100%;object-fit:cover;filter:brightness(.82)}.cover-title{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;padding:30px;background:linear-gradient(transparent 35%,#000d)}.cover-title>span{font-size:9px;letter-spacing:2px;color:#e2ded0}.cover-title h3{font-size:32px;letter-spacing:-.7px;line-height:1.1;font-weight:500;margin:10px 0 12px;color:#fff}.cover-title small{font-size:11px;color:#d0cbbf}.back-cover{background:radial-gradient(ellipse at 60% 30%,#3b3b32,#191916);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px}.back-cover .cover-brand{width:48px;height:54px;object-fit:contain;opacity:.85}.cover-back-label{font-size:23px;font-weight:500;color:#ccc7b9}
.binder-canvas .app-spread.single-page:not(.is-cover){width:min(66%,420px);grid-template-columns:1fr}
.app-builder[data-view=list] .spread-viewport{overflow-y:auto;touch-action:pan-y;cursor:default}.binder-canvas .app-spread.is-list{display:block;position:relative;left:auto;top:auto;width:100%;max-width:none;transform:none!important;padding:20px 22px 230px;will-change:auto}.app-builder:not(.is-editing) .app-spread.is-list{padding-bottom:25px}.binder-list-page h4{font-size:12px;font-weight:500;color:#b5b4ae;letter-spacing:.5px;margin:10px 0 15px;padding-top:10px}.app-spread.is-list .binder-list-row{display:flex;align-items:center;gap:17px;position:relative;width:100%;height:auto;min-height:85px;padding:10px;border:0;border-bottom:1px solid #ffffff14;border-radius:0;background:transparent;text-align:left}.app-spread.is-list .binder-list-row img{position:static;width:44px;height:62px;object-fit:contain;flex-shrink:0}.list-card-details{display:flex;flex-direction:column;gap:7px;min-width:0}.list-card-details strong{font-size:13px;font-weight:500;color:#ddd}.list-card-details small{font-size:10px;color:#aaa99f}.app-spread.is-list .missing .list-card-details strong{color:#aaa}.app-spread.is-list .binder-list-row.selected{outline-offset:-2px}
@media(max-width:760px){.app-view-tabs button{font-size:11px;padding:13px 0}.binder-navigator{font-size:10px;padding:8px 13px}.binder-navigator button{width:31px;height:28px}.example-cover{width:65%;border-radius:9px}.cover-title{padding:20px}.cover-title h3{font-size:24px}.cover-title>span{font-size:7px;letter-spacing:1.5px}.cover-title small{font-size:9px}.binder-canvas .app-spread.is-list{padding:12px 13px 200px}.list-card-details strong{font-size:12px}.list-card-details small{font-size:9px}}
/* Match the app's read-only CollectionListItem and spread/page grouping. */
.binder-canvas .app-spread.is-list{padding:16px}.binder-list-group{margin-bottom:32px}.binder-list-group>h3{font-size:20px;font-weight:500;letter-spacing:0;margin:0 0 4px;color:#f5f4f2}.list-group-summary{font-size:12px;line-height:1.6;margin:0 0 16px;color:#b3b3b3}.binder-list-page+.binder-list-page{border-top:1px solid #ffffff20;padding-top:16px;margin-top:16px}.list-page-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.binder-list-page .list-page-heading h4{padding:0;margin:0;font-size:14px;letter-spacing:0;font-weight:600;color:#f5f4f2}.list-page-heading>span{font-size:11px;color:#b3b3b3}
.app-spread.is-list .binder-list-row{gap:12px;padding:12px;margin-bottom:8px;border:1px solid #ffffff1a;border-radius:12px;background:#2e2e2d;min-height:104px;cursor:default;user-select:text}.app-spread.is-list .binder-list-row img{width:56px;height:78px;border-radius:8px;background:#171716;border:1px solid #ffffff15}.app-spread.is-list .binder-list-row.michi-slot img{width:96px;height:64px;border-radius:8px}.app-spread.is-list .list-card-details{gap:4px;flex:1}.app-spread.is-list .list-card-details strong{color:#f5f4f2;font-size:14px;font-weight:600;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-card-subtitle{font-size:12px;color:#b3b3b3;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-spread.is-list .list-card-details small{font-size:12px;color:#b3b3b3;line-height:1.5}.app-spread.is-list .missing img{opacity:.62}.app-builder.is-editing .app-spread.is-list{padding-bottom:16px}
@media(min-width:761px){.binder-canvas .app-spread.is-list{padding:20px 32px}.app-spread.is-list .list-card-details strong{font-size:16px}}
/* Pages is the whole physical binder, arranged as the app's overview canvas. */
.binder-canvas .app-spread.is-overview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 8px;align-items:start}
.app-spread.is-overview .example-cover{width:100%;max-width:none;margin:0;aspect-ratio:.73}
.app-spread.is-overview .overview-front{grid-column:2;grid-row:1}.app-spread.is-overview .overview-back{grid-column:1;grid-row:4}
@media(max-width:760px){.binder-canvas .app-spread.is-overview{gap:24px 5px}}

/* Keep every page in its own physical position, independent of card content. */
.binder-canvas .app-spread:not(.is-list):not(.is-cover){display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-flow:row;align-items:start}
.binder-canvas .app-spread>.app-page{position:relative;min-width:0;min-height:0}

/* Use the app's divided chevron handle for both tray states. */
.binder-canvas .tray-toggle{display:flex;align-items:center;justify-content:center;min-height:44px;padding:0;color:#b3b3b3;text-align:center}
.tray-toggle-inner{display:flex;align-items:center;justify-content:center;gap:4px;width:104px;max-width:100%}
.tray-toggle-divider{height:1px;flex:1;max-width:42px;min-width:0;background:#ffffff1a;border-radius:999px}
.tray-toggle-icon{display:grid;place-items:center;width:36px;height:36px;flex-shrink:0}
.tray-toggle-icon .site-icon{width:16px;height:16px}
.tray-toggle:active{opacity:.72}
.tray-toggle:focus-visible{outline:2px solid var(--action-primary);outline-offset:-3px;border-radius:8px}
.binder-canvas .app-card-tray.is-minimised{padding-top:0;padding-bottom:0}

/* Current view is primary; hover feedback uses secondary. */
.app-view-tabs button.active,.app-view-tabs .active{color:#f4b81a;border-color:#f4b81a}
.app-view-tabs button:hover:not(.active){color:#2ec4b6}
.app-toolbar button.active,.canvas-controls button[aria-pressed=true]{color:#f4b81a;border-color:#f4b81a;background:#243530}
.canvas-controls button:hover:not(:disabled){background:#243530;border-color:#2ec4b6}