:root{--ink:#241c16;--ivory:#f7f2e8;--stone:#d8cdbb;--gold:#a9854f;--bronze:#6c5134;--panel:#fffdf8;--shadow:0 22px 60px rgba(42,31,20,.14)}
*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#f2ebdf,#dfd1bd);color:var(--ink);font-family:Inter,system-ui,sans-serif;min-height:100vh}.hero{padding:28px clamp(20px,5vw,72px);display:flex;justify-content:space-between;align-items:end;border-bottom:1px solid rgba(76,54,33,.16);background:rgba(255,253,248,.76);backdrop-filter:blur(12px)}h1,h2{font-family:"Cormorant Garamond",serif}h1{font-size:clamp(46px,8vw,82px);margin:0;line-height:.8;letter-spacing:.02em}h2{font-size:28px;margin:24px 0 10px}.hero p{max-width:680px;margin:16px 0 0;line-height:1.6}.eyebrow{font-size:11px;letter-spacing:.22em;color:var(--bronze);font-weight:700}.workspace{display:grid;grid-template-columns:minmax(360px,520px) minmax(420px,1fr);gap:24px;padding:24px;max-width:1700px;margin:auto}.panel{background:rgba(255,253,248,.94);border:1px solid rgba(108,81,52,.18);border-radius:22px;box-shadow:var(--shadow)}.controls{padding:26px}.preview-panel{display:flex;flex-direction:column;min-height:780px;overflow:hidden}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}label{font-size:12px;font-weight:700;letter-spacing:.04em}select,input[type=color]{width:100%;margin-top:7px;height:44px;border:1px solid #cdbda9;border-radius:10px;background:white;padding:0 12px;color:var(--ink)}input[type=color]{padding:5px}.upload-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.upload-card{border:1px dashed #aa8c65;border-radius:13px;padding:15px 12px;background:#fbf7ef;min-height:112px;cursor:pointer;display:flex;flex-direction:column;justify-content:center;text-align:center}.upload-card:hover{border-style:solid;background:#f6ecde}.upload-card span{font-family:"Cormorant Garamond",serif;font-size:20px}.upload-card small{font-weight:400;margin-top:5px;color:#746351;line-height:1.35}.upload-card input{margin-top:10px;width:100%;font-size:11px}.status{margin-top:12px;padding:10px 12px;background:#eee5d8;border-radius:9px;font-size:12px}.subtle,.fineprint,.live-note{color:#786959}.subtle{font-size:13px}.fineprint{font-size:11px;line-height:1.5}.page-list{display:flex;gap:10px;overflow-x:auto;padding:8px 3px 16px;min-height:148px}.page-card{width:92px;flex:0 0 92px;background:#f1e8db;border:1px solid #d3c2aa;border-radius:11px;padding:7px;cursor:grab;position:relative}.page-card.dragging{opacity:.45}.thumb{height:103px;border-radius:6px;background:white center/contain no-repeat;box-shadow:0 3px 10px rgba(0,0,0,.12)}.page-card .meta{font-size:10px;margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.page-card button{position:absolute;right:3px;top:3px;width:22px;height:22px;border-radius:50%;padding:0;background:#2d241d;color:white}.actions{display:grid;grid-template-columns:1fr;gap:9px;margin-top:10px}button{border:1px solid #9e835f;background:#f7f0e5;color:var(--ink);border-radius:10px;min-height:42px;padding:0 15px;font-weight:700;cursor:pointer}button:hover{transform:translateY(-1px)}button.primary{background:linear-gradient(#8e6e45,#5f452d);color:white;border-color:#5b422b}.ghost{background:transparent}.preview-toolbar{display:flex;justify-content:space-between;align-items:center;padding:19px 22px;border-bottom:1px solid #ddd0bf}.preview-actions{display:flex;align-items:center;gap:10px}.preview-actions button{width:38px;min-height:38px;padding:0;font-size:28px}.stage{flex:1;display:flex;align-items:center;justify-content:center;padding:50px;position:relative;background:radial-gradient(circle at 50% 40%,#5a493a,#1c1713 68%);overflow:hidden}.book-shadow{position:absolute;width:70%;height:16%;background:rgba(0,0,0,.7);filter:blur(28px);border-radius:50%;bottom:10%}.book{display:flex;position:relative;z-index:2;perspective:1800px;max-width:92%;max-height:82%;aspect-ratio:16/11;filter:drop-shadow(0 22px 22px rgba(0,0,0,.45));touch-action:pan-y}.paper{width:50%;height:100%;background:var(--ivory);overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative;transition:transform .55s ease,box-shadow .55s ease;background-position:center;background-repeat:no-repeat}.paper img,.paper canvas{width:100%;height:100%;object-fit:contain}.paper.left{transform-origin:right center;border-radius:8px 0 0 8px;box-shadow:inset -14px 0 20px rgba(0,0,0,.12)}.paper.right{transform-origin:left center;border-radius:0 8px 8px 0;box-shadow:inset 14px 0 20px rgba(0,0,0,.1)}.paper.blank{font-family:"Cormorant Garamond",serif;font-size:20px;color:#8b7a67;text-align:center;padding:20px}.paper.turning-right{transform:rotateY(-86deg)}.paper.turning-left{transform:rotateY(86deg)}.stage.hardback .paper{border:9px solid #4b3526}.stage.hardback .paper.left{border-right-width:3px}.stage.hardback .paper.right{border-left-width:3px}.stage.softback .paper{border:3px solid #d9c9b3}.stage.magazine .paper{border:1px solid #e8e1d8}.stage.brochure .book,.stage.pamphlet .book{filter:drop-shadow(0 14px 16px rgba(0,0,0,.35))}.live-note{text-align:center;padding:14px;font-size:12px}.busy{position:fixed;inset:0;background:rgba(25,20,15,.76);z-index:99;color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.hidden{display:none}.spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.25);border-top-color:white;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:980px){.workspace{grid-template-columns:1fr}.preview-panel{min-height:650px}.stage{padding:24px}.hero{align-items:flex-start}.upload-grid{grid-template-columns:1fr 1fr}.upload-card:last-child{grid-column:1/-1}}
@media(max-width:560px){.workspace{padding:10px}.controls{padding:18px}.field-grid{grid-template-columns:1fr}.upload-grid{grid-template-columns:1fr}.upload-card:last-child{grid-column:auto}.hero{padding:20px;display:block}.hero button{margin-top:16px}.preview-panel{min-height:520px}.stage{padding:15px}.book{max-width:100%;width:100%;max-height:75%}.paper.blank{font-size:14px}.page-list{min-height:132px}.thumb{height:88px}}
.file-input{position:absolute!important;opacity:0!important;width:1px!important;height:1px!important;overflow:hidden!important;pointer-events:none}
.choose-file{display:inline-flex!important;align-items:center;justify-content:center;margin:11px auto 4px;padding:7px 10px;border-radius:8px;background:#6f5236;color:white;font-family:Inter,system-ui,sans-serif!important;font-size:11px!important;font-weight:700}
.file-name{display:block!important;max-width:100%;font-family:Inter,system-ui,sans-serif!important;font-size:10px!important;font-weight:500!important;color:#665747;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-card{touch-action:none;user-select:none;-webkit-user-select:none}
.page-card.pointer-dragging{opacity:.72;transform:scale(1.04);z-index:10;box-shadow:0 12px 22px rgba(0,0,0,.2)}
.page-card .reorder-controls{display:flex;gap:4px;margin-top:6px}
.page-card .reorder-controls button{position:static;width:auto;height:25px;min-height:25px;flex:1;border-radius:6px;font-size:13px;background:#e5d6c2;color:#392c22;border:1px solid #c8b294}
.page-card .remove-page{position:absolute!important;right:3px!important;top:3px!important;width:22px!important;height:22px!important;min-height:22px!important;border-radius:50%!important;padding:0!important;background:#2d241d!important;color:white!important}

/* Closed-cover and open-book preview states */
.book.front-closed,.book.back-closed{justify-content:center}
.book.front-closed .paper.left,.book.back-closed .paper.right{display:none}
.book.front-closed .paper.right,.book.back-closed .paper.left{width:100%;border-radius:8px;box-shadow:inset 0 0 18px rgba(0,0,0,.08)}
.book.front-closed .paper.right{transform-origin:left center}
.book.back-closed .paper.left{transform-origin:right center}
.book.open-spread .paper{display:flex;width:50%}
.book.empty-book .paper{display:flex}
.book.front-closed .paper.blank,.book.back-closed .paper.blank,.book.open-spread .paper.blank{color:transparent}
@media(max-width:560px){.book.front-closed .paper.right,.book.back-closed .paper.left{width:100%}}

/* iPhone preview clearance: controls never cover the bottom of a page */
@media(max-width:560px){
  .preview-panel{min-height:0;overflow:visible;padding-bottom:calc(22px + env(safe-area-inset-bottom));}
  .preview-toolbar{position:relative;z-index:1;flex-wrap:wrap;gap:12px;padding:16px;}
  .stage{flex:none;min-height:clamp(430px,72svh,680px);height:auto;overflow:auto;align-items:center;padding:20px 12px 72px;}
  .book{width:min(100%,720px);max-width:100%;max-height:none;margin:auto;}
  .live-note{position:relative;z-index:1;background:var(--panel);padding:14px 14px calc(28px + env(safe-area-inset-bottom));}
}

/* Prevent uploaded content from widening or zooming the iPhone layout */
html,body{width:100%;max-width:100%;overflow-x:hidden;-webkit-text-size-adjust:100%}
body{position:relative}
.hero,.workspace,.panel,.controls,.preview-panel,.upload-grid,.upload-card,.page-list,.stage,.book{min-width:0;max-width:100%}
.workspace{width:100%}
.panel{width:100%}
.upload-card{overflow:hidden}
.file-name,.page-card .meta{min-width:0;max-width:100%}
.page-list{-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}
.paper img,.paper canvas{display:block;max-width:100%;max-height:100%}
@media(max-width:560px){
  .workspace{width:100%;max-width:100vw;margin:0;padding:10px;overflow:hidden}
  .hero{width:100%;max-width:100vw;overflow:hidden}
  .controls,.preview-panel{width:100%;max-width:calc(100vw - 20px);overflow:hidden}
  .upload-grid,.field-grid,.actions{width:100%;min-width:0}
  .upload-card{width:100%;min-width:0}
  .page-list{width:100%;max-width:100%;overflow-x:auto;overflow-y:hidden}
  .stage{width:100%;max-width:100%;overflow-x:hidden}
  .book{width:100%;max-width:100%;min-width:0}
  .preview-toolbar{width:100%;min-width:0}
  .preview-actions{min-width:0;max-width:100%}
}

/* Section 3: fully accessible horizontal page arrangement strip */
.page-strip-wrap{display:grid;grid-template-columns:38px minmax(0,1fr) 38px;align-items:center;gap:7px;width:100%;max-width:100%;overflow:hidden}
.page-strip-arrow{width:38px;min-width:38px;height:54px;min-height:54px;padding:0;font-size:28px;line-height:1;background:#efe4d4;position:relative;z-index:2}
.page-list{width:100%;max-width:100%;min-width:0;overflow-x:scroll!important;overflow-y:hidden;scroll-behavior:smooth;scroll-snap-type:x proximity;touch-action:pan-x;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;scrollbar-width:thin}
.page-card{scroll-snap-align:start;touch-action:pan-x;user-select:none;-webkit-user-select:none}
.page-card.pointer-dragging{cursor:grabbing;opacity:.78}
@media(max-width:560px){.page-strip-wrap{grid-template-columns:34px minmax(0,1fr) 34px;gap:4px}.page-strip-arrow{width:34px;min-width:34px;height:50px;min-height:50px}.page-list{padding-left:2px;padding-right:2px}.page-card{flex-basis:88px;width:88px}}

/* Unlimited Section 3 strip: every uploaded page remains in one scrollable row */
.page-strip-wrap{min-width:0!important;overflow:visible!important}
.page-list{
  display:grid!important;
  grid-auto-flow:column!important;
  grid-auto-columns:92px!important;
  grid-template-rows:1fr!important;
  justify-content:start!important;
  align-items:start!important;
  gap:10px!important;
  width:100%!important;
  min-width:0!important;
  max-width:none!important;
  overflow-x:auto!important;
  overflow-y:hidden!important;
  padding:8px 3px 18px!important;
  scroll-snap-type:x proximity!important;
  -webkit-overflow-scrolling:touch!important;
  touch-action:pan-x!important;
}
.page-list .page-card{width:92px!important;min-width:92px!important;max-width:92px!important;display:block!important}
.page-list .subtle{grid-column:1;white-space:nowrap}
@media(max-width:560px){
  .page-list{grid-auto-columns:88px!important;gap:9px!important}
  .page-list .page-card{width:88px!important;min-width:88px!important;max-width:88px!important}
  .page-strip-wrap{grid-template-columns:32px minmax(0,1fr) 32px!important}
  .page-strip-arrow{width:32px!important;min-width:32px!important}
}

/* Persistent current-project controls */
.project-actions{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap;justify-content:flex-end;max-width:520px}
.project-name-label{min-width:210px;color:var(--ink)}
.project-name-label input{display:block;width:100%;height:42px;margin-top:6px;border:1px solid #cdbda9;border-radius:10px;background:#fff;padding:0 12px;color:var(--ink);font:600 14px Inter,system-ui,sans-serif}
.save-status{font-size:11px;color:#6b5a47;padding:0 2px 12px;white-space:nowrap}
.save-status.saved{color:#42633e}
.save-status.error{color:#8a3228}
@media(max-width:760px){.project-actions{justify-content:flex-start;margin-top:18px;max-width:100%}.project-name-label{width:100%;min-width:0}.save-status{padding-bottom:0}.hero button{margin-top:0}}

/* Reusable local Project Archive */
.archive-modal{position:fixed;inset:0;z-index:120;background:rgba(24,18,13,.72);display:flex;align-items:center;justify-content:center;padding:18px}
.archive-modal.hidden{display:none}
.archive-dialog{width:min(760px,100%);max-height:84vh;overflow:auto;background:#fffdf8;border-radius:20px;padding:22px;box-shadow:0 30px 90px rgba(0,0,0,.4)}
.archive-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;border-bottom:1px solid #dfd1bd;padding-bottom:12px;margin-bottom:12px}
.archive-heading h2{margin:2px 0 0}.archive-heading button{width:40px;min-width:40px;padding:0;font-size:26px}
.archive-list{display:grid;gap:10px}
.archive-project{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px;border:1px solid #dfd1bd;border-radius:12px;background:#faf5ec}
.archive-project strong{display:block;font-family:"Cormorant Garamond",serif;font-size:21px}.archive-project small{display:block;margin-top:4px;color:#786959}
.archive-buttons{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.archive-buttons button{min-height:34px;padding:0 10px;font-size:11px}
.archive-empty{padding:24px;text-align:center;color:#786959;background:#faf5ec;border-radius:12px}
@media(max-width:640px){.archive-project{align-items:flex-start;flex-direction:column}.archive-buttons{justify-content:flex-start}.archive-dialog{padding:16px}.project-actions button{flex:1 1 140px}}