
html, body { height: 100%; margin: 0; overflow: hidden; }
body {
  background: radial-gradient(ellipse at 50% 38%, #45403a 0%, #2e2a26 55%, #1d1a17 100%);
  overscroll-behavior: none;
  -webkit-user-select: none; user-select: none;
}
#stage {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  touch-action: none;
}
#flipbook { position: relative; }
#flipbook.open { box-shadow: 0 22px 60px rgba(0,0,0,.55), 0 4px 14px rgba(0,0,0,.4); }

/* ---------- hard covers ---------- */
.cover {
  background:
    radial-gradient(ellipse at 50% 30%, rgba(255,214,150,.20), rgba(0,0,0,0) 46%),
    radial-gradient(ellipse at 82% 84%, rgba(60,10,40,.34), rgba(0,0,0,0) 56%),
    linear-gradient(158deg, #4a0512 0%, #8c1020 38%, #a8182a 56%, #58060f 100%);
  box-shadow: inset 0 0 50px rgba(28,2,8,.5);
}
.cover-front::before, .cover-back::before {
  content: ''; position: absolute; top: 0; bottom: 0; width: 12%;
  pointer-events: none; z-index: 2;
}
.cover-front::before { left: 0;  background: linear-gradient(to right, rgba(0,0,0,.5), rgba(0,0,0,.14) 55%, rgba(0,0,0,0)); }
.cover-back::before  { right: 0; background: linear-gradient(to left,  rgba(0,0,0,.5), rgba(0,0,0,.14) 55%, rgba(0,0,0,0)); }
.cover-inner { position: absolute; inset: 0; }
.cover-frame {
  position: absolute; inset: 7%;
  border: 3px double #e8c25c; border-radius: 3px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; color: #f7f1e3;
  font-family: Georgia, 'Palatino Linotype', serif;
  padding: 0 6%;
}
.cover-title {
  font-variant: small-caps; letter-spacing: .1em;
  font-size: 2em; line-height: 1.25;
  text-shadow: 0 2px 3px rgba(0,0,0,.55);
}
.cover-orn { color: #b89a4e; font-size: 1.5em; margin-top: 1.1em; }
.cover-orn.big { font-size: 2.4em; }
.cover-sub { letter-spacing: .5em; font-size: .68em; margin-top: 1em; color: #cdb069; text-indent: .5em; }
.cover-author { margin-top: 2.4em; font-variant: small-caps; letter-spacing: .18em; font-size: 1.02em; color: #e2c26a; }

/* ---------- endpapers ---------- */
.endpaper {
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.05) 0 3px, rgba(0,0,0,0) 3px 6px),
    radial-gradient(ellipse at 50% 40%, #175b7d 0%, #0f3f5c 62%, #08283c 100%);
  box-shadow: inset 0 0 60px rgba(2,14,26,.5);
}

/* ---------- paper pages ---------- */
.paper {
  background:
    radial-gradient(ellipse at 50% 45%, #faf5e9 55%, #f1e8d4 92%, #eadfc7 100%);
  color: #33291f;
}
/* inner spine shadow — the fold between the two pages of a spread */
.pg-right::before {
  content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 9%;
  background: linear-gradient(to right, rgba(62,44,16,.30), rgba(62,44,16,.10) 52%, rgba(62,44,16,0));
  pointer-events: none; z-index: 3;
}
.pg-left::before {
  content: ''; position: absolute; top: 0; bottom: 0; right: 0; width: 9%;
  background: linear-gradient(to left, rgba(62,44,16,.26), rgba(62,44,16,.09) 52%, rgba(62,44,16,0));
  pointer-events: none; z-index: 3;
}
.pg-single::before {
  content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 6%;
  background: linear-gradient(to right, rgba(62,44,16,.18), rgba(62,44,16,0));
  pointer-events: none; z-index: 3;
}
/* outer edge — hint of the closed page stack */
.pg-right::after, .pg-left::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 7px;
  pointer-events: none; z-index: 3; opacity: .5;
}
.pg-right::after { right: 0; background: repeating-linear-gradient(to left, rgba(90,70,40,.16) 0 1px, rgba(0,0,0,0) 1px 3px); }
.pg-left::after  { left: 0;  background: repeating-linear-gradient(to right, rgba(90,70,40,.16) 0 1px, rgba(0,0,0,0) 1px 3px); }

/* ---------- text ---------- */
.textenv {
  font-family: Georgia, 'Palatino Linotype', 'Book Antiqua', 'Times New Roman', serif;
  line-height: 1.55; text-align: justify;
  hyphens: auto; -webkit-hyphens: auto; -ms-hyphens: auto;
  text-rendering: optimizeLegibility;
  color: #33291f;
}
.textenv p { margin: 0; text-indent: 1.5em; }
.textenv p.noind { text-indent: 0; }
.chead { margin-bottom: 1.25em; }
.cnum {
  text-align: center; font-variant: small-caps;
  letter-spacing: .24em; font-size: 1.26em;
  padding-top: 1em; text-indent: .24em; color: #4a3b28;
}
.corn { text-align: center; color: #8a744a; margin-top: .4em; font-size: 1em; }
.brk { text-align: center; margin: 1.1em 0; color: #8a744a; font-size: .78em; letter-spacing: .5em; text-indent: .5em; }
.theend { text-align: center; margin-top: 2.6em; letter-spacing: .4em; text-indent: .4em; font-size: 1.02em; color: #5a4a33; }
.folio { text-align: center; font-size: .66em; letter-spacing: .18em; color: #8d7b5f; font-family: Georgia, serif; }

/* ---------- title page ---------- */
.titlepage {
  position: absolute; inset: 10% 12%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; font-family: Georgia, 'Palatino Linotype', serif; color: #3d3020;
}
.tp-title { font-variant: small-caps; font-size: 1.85em; letter-spacing: .1em; line-height: 1.3; }
.tp-rule { width: 42%; height: 1px; background: #a08c5a; margin: 1.4em 0; }
.tp-sub { letter-spacing: .45em; font-size: .72em; color: #6a583c; text-indent: .45em; }
.tp-by { margin-top: 2.2em; font-style: italic; font-size: .85em; color: #6a583c; }
.tp-author { margin-top: .5em; font-variant: small-caps; letter-spacing: .16em; font-size: 1.12em; }
.tp-orn { margin-top: 2.2em; color: #8a744a; font-size: 1.3em; }

/* ---------- chrome ---------- */
.nav {
  position: fixed; top: 50%; transform: translateY(-50%);
  z-index: 60; cursor: pointer;
  font: 46px/1 Georgia, serif; color: rgba(255,255,255,.30);
  padding: 26px 14px; transition: color .2s;
  background: none; border: 0; margin: 0;
  -webkit-appearance: none; appearance: none;
}
.nav:focus-visible {
  outline: 2px solid rgba(232,194,92,.9); outline-offset: 2px;
  border-radius: 8px; color: rgba(255,255,255,.85);
}
.nav:hover { color: rgba(255,255,255,.75); }
#nav-prev { left: 4px; }
#nav-next { right: 4px; }

#hint {
  position: fixed; left: 50%; bottom: 58px; transform: translateX(-50%);
  z-index: 60; font: 12.5px/1.4 Georgia, serif; letter-spacing: .06em;
  color: rgba(255,255,255,.45); background: rgba(0,0,0,.25);
  padding: 6px 14px; border-radius: 20px; white-space: nowrap;
  transition: opacity 1.2s; pointer-events: none;
}
#hint.gone { opacity: 0; }

#loader {
  position: fixed; inset: 0; z-index: 100;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background: rgba(24,21,18,.82);
  font: 15px Georgia, serif; letter-spacing: .08em; color: #d8c9a6;
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
#loader.show { opacity: 1; pointer-events: auto; }
#loader .spin {
  width: 34px; height: 34px; border-radius: 50%;
  border: 3px solid rgba(216,201,166,.25); border-top-color: #d8c9a6;
  animation: lspin .9s linear infinite;
}
@keyframes lspin { to { transform: rotate(360deg); } }

/* ---------- embossed cover tooling ---------- */
.cover-inner::before {
  content: ''; position: absolute; inset: 2.2%;
  pointer-events: none; opacity: .9;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='28'%20height='28'%3E%20%3Cg%20fill='none'%20stroke-width='1.4'%3E%20%3Cg%20transform='translate(0.9,0.9)'%20stroke='rgba(0,0,0,0.50)'%3E%20%3Cpath%20d='M14%206%20L22%2014%20L14%2022%20L6%2014%20Z'/%3E%3Ccircle%20cx='14'%20cy='14'%20r='1.8'/%3E%20%3C/g%3E%20%3Cg%20transform='translate(-0.6,-0.6)'%20stroke='rgba(255,255,255,0.13)'%3E%20%3Cpath%20d='M14%206%20L22%2014%20L14%2022%20L6%2014%20Z'/%3E%3Ccircle%20cx='14'%20cy='14'%20r='1.8'/%3E%20%3C/g%3E%20%3C/g%3E%3C/svg%3E"), url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='28'%20height='28'%3E%20%3Cg%20fill='none'%20stroke-width='1.4'%3E%20%3Cg%20transform='translate(0.9,0.9)'%20stroke='rgba(0,0,0,0.50)'%3E%20%3Cpath%20d='M14%206%20L22%2014%20L14%2022%20L6%2014%20Z'/%3E%3Ccircle%20cx='14'%20cy='14'%20r='1.8'/%3E%20%3C/g%3E%20%3Cg%20transform='translate(-0.6,-0.6)'%20stroke='rgba(255,255,255,0.13)'%3E%20%3Cpath%20d='M14%206%20L22%2014%20L14%2022%20L6%2014%20Z'/%3E%3Ccircle%20cx='14'%20cy='14'%20r='1.8'/%3E%20%3C/g%3E%20%3C/g%3E%3C/svg%3E"), url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='28'%20height='28'%3E%20%3Cg%20fill='none'%20stroke-width='1.4'%3E%20%3Cg%20transform='translate(0.9,0.9)'%20stroke='rgba(0,0,0,0.50)'%3E%20%3Cpath%20d='M14%206%20L22%2014%20L14%2022%20L6%2014%20Z'/%3E%3Ccircle%20cx='14'%20cy='14'%20r='1.8'/%3E%20%3C/g%3E%20%3Cg%20transform='translate(-0.6,-0.6)'%20stroke='rgba(255,255,255,0.13)'%3E%20%3Cpath%20d='M14%206%20L22%2014%20L14%2022%20L6%2014%20Z'/%3E%3Ccircle%20cx='14'%20cy='14'%20r='1.8'/%3E%20%3C/g%3E%20%3C/g%3E%3C/svg%3E"), url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='28'%20height='28'%3E%20%3Cg%20fill='none'%20stroke-width='1.4'%3E%20%3Cg%20transform='translate(0.9,0.9)'%20stroke='rgba(0,0,0,0.50)'%3E%20%3Cpath%20d='M14%206%20L22%2014%20L14%2022%20L6%2014%20Z'/%3E%3Ccircle%20cx='14'%20cy='14'%20r='1.8'/%3E%20%3C/g%3E%20%3Cg%20transform='translate(-0.6,-0.6)'%20stroke='rgba(255,255,255,0.13)'%3E%20%3Cpath%20d='M14%206%20L22%2014%20L14%2022%20L6%2014%20Z'/%3E%3Ccircle%20cx='14'%20cy='14'%20r='1.8'/%3E%20%3C/g%3E%20%3C/g%3E%3C/svg%3E");
  background-repeat: repeat-x, repeat-x, repeat-y, repeat-y;
  background-position: left top, left bottom, left top, right top;
  background-size: 28px 28px;
}
.cover-inner::after {
  content: ''; position: absolute; inset: 1.4%;
  pointer-events: none; opacity: .95;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='56'%20height='56'%3E%20%3Cg%20fill='none'%20stroke-width='1.5'%3E%20%3Cg%20transform='translate(1,1)'%20stroke='rgba(0,0,0,0.50)'%3E%20%3Ccircle%20cx='28'%20cy='28'%20r='16'/%3E%3Ccircle%20cx='28'%20cy='28'%20r='9'/%3E%20%3Cpath%20d='M28%2012%20Q31%2020%2028%2024%20Q25%2020%2028%2012%20Z%20M28%2044%20Q31%2036%2028%2032%20Q25%2036%2028%2044%20Z%20M12%2028%20Q20%2031%2024%2028%20Q20%2025%2012%2028%20Z%20M44%2028%20Q36%2031%2032%2028%20Q36%2025%2044%2028%20Z'/%3E%20%3C/g%3E%20%3Cg%20transform='translate(-0.7,-0.7)'%20stroke='rgba(255,255,255,0.13)'%3E%20%3Ccircle%20cx='28'%20cy='28'%20r='16'/%3E%3Ccircle%20cx='28'%20cy='28'%20r='9'/%3E%20%3Cpath%20d='M28%2012%20Q31%2020%2028%2024%20Q25%2020%2028%2012%20Z%20M28%2044%20Q31%2036%2028%2032%20Q25%2036%2028%2044%20Z%20M12%2028%20Q20%2031%2024%2028%20Q20%2025%2012%2028%20Z%20M44%2028%20Q36%2031%2032%2028%20Q36%2025%2044%2028%20Z'/%3E%20%3C/g%3E%20%3C/g%3E%3C/svg%3E"), url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='56'%20height='56'%3E%20%3Cg%20fill='none'%20stroke-width='1.5'%3E%20%3Cg%20transform='translate(1,1)'%20stroke='rgba(0,0,0,0.50)'%3E%20%3Ccircle%20cx='28'%20cy='28'%20r='16'/%3E%3Ccircle%20cx='28'%20cy='28'%20r='9'/%3E%20%3Cpath%20d='M28%2012%20Q31%2020%2028%2024%20Q25%2020%2028%2012%20Z%20M28%2044%20Q31%2036%2028%2032%20Q25%2036%2028%2044%20Z%20M12%2028%20Q20%2031%2024%2028%20Q20%2025%2012%2028%20Z%20M44%2028%20Q36%2031%2032%2028%20Q36%2025%2044%2028%20Z'/%3E%20%3C/g%3E%20%3Cg%20transform='translate(-0.7,-0.7)'%20stroke='rgba(255,255,255,0.13)'%3E%20%3Ccircle%20cx='28'%20cy='28'%20r='16'/%3E%3Ccircle%20cx='28'%20cy='28'%20r='9'/%3E%20%3Cpath%20d='M28%2012%20Q31%2020%2028%2024%20Q25%2020%2028%2012%20Z%20M28%2044%20Q31%2036%2028%2032%20Q25%2036%2028%2044%20Z%20M12%2028%20Q20%2031%2024%2028%20Q20%2025%2012%2028%20Z%20M44%2028%20Q36%2031%2032%2028%20Q36%2025%2044%2028%20Z'/%3E%20%3C/g%3E%20%3C/g%3E%3C/svg%3E"), url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='56'%20height='56'%3E%20%3Cg%20fill='none'%20stroke-width='1.5'%3E%20%3Cg%20transform='translate(1,1)'%20stroke='rgba(0,0,0,0.50)'%3E%20%3Ccircle%20cx='28'%20cy='28'%20r='16'/%3E%3Ccircle%20cx='28'%20cy='28'%20r='9'/%3E%20%3Cpath%20d='M28%2012%20Q31%2020%2028%2024%20Q25%2020%2028%2012%20Z%20M28%2044%20Q31%2036%2028%2032%20Q25%2036%2028%2044%20Z%20M12%2028%20Q20%2031%2024%2028%20Q20%2025%2012%2028%20Z%20M44%2028%20Q36%2031%2032%2028%20Q36%2025%2044%2028%20Z'/%3E%20%3C/g%3E%20%3Cg%20transform='translate(-0.7,-0.7)'%20stroke='rgba(255,255,255,0.13)'%3E%20%3Ccircle%20cx='28'%20cy='28'%20r='16'/%3E%3Ccircle%20cx='28'%20cy='28'%20r='9'/%3E%20%3Cpath%20d='M28%2012%20Q31%2020%2028%2024%20Q25%2020%2028%2012%20Z%20M28%2044%20Q31%2036%2028%2032%20Q25%2036%2028%2044%20Z%20M12%2028%20Q20%2031%2024%2028%20Q20%2025%2012%2028%20Z%20M44%2028%20Q36%2031%2032%2028%20Q36%2025%2044%2028%20Z'/%3E%20%3C/g%3E%20%3C/g%3E%3C/svg%3E"), url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='56'%20height='56'%3E%20%3Cg%20fill='none'%20stroke-width='1.5'%3E%20%3Cg%20transform='translate(1,1)'%20stroke='rgba(0,0,0,0.50)'%3E%20%3Ccircle%20cx='28'%20cy='28'%20r='16'/%3E%3Ccircle%20cx='28'%20cy='28'%20r='9'/%3E%20%3Cpath%20d='M28%2012%20Q31%2020%2028%2024%20Q25%2020%2028%2012%20Z%20M28%2044%20Q31%2036%2028%2032%20Q25%2036%2028%2044%20Z%20M12%2028%20Q20%2031%2024%2028%20Q20%2025%2012%2028%20Z%20M44%2028%20Q36%2031%2032%2028%20Q36%2025%2044%2028%20Z'/%3E%20%3C/g%3E%20%3Cg%20transform='translate(-0.7,-0.7)'%20stroke='rgba(255,255,255,0.13)'%3E%20%3Ccircle%20cx='28'%20cy='28'%20r='16'/%3E%3Ccircle%20cx='28'%20cy='28'%20r='9'/%3E%20%3Cpath%20d='M28%2012%20Q31%2020%2028%2024%20Q25%2020%2028%2012%20Z%20M28%2044%20Q31%2036%2028%2032%20Q25%2036%2028%2044%20Z%20M12%2028%20Q20%2031%2024%2028%20Q20%2025%2012%2028%20Z%20M44%2028%20Q36%2031%2032%2028%20Q36%2025%2044%2028%20Z'/%3E%20%3C/g%3E%20%3C/g%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left top, right top, left bottom, right bottom;
  background-size: 52px 52px;
}

/* ---------- illustration captions & display lines ---------- */
.illus {
  margin: 1.15em 5%; padding: .5em 3%;
  text-align: center; font-style: italic;
  font-size: .84em; line-height: 1.45; color: #6b5a3e;
  border-top: 1px solid rgba(122,100,60,.4);
  border-bottom: 1px solid rgba(122,100,60,.4);
}
.disp {
  text-align: center; margin: 1em 8%;
  font-variant: small-caps; letter-spacing: .12em;
  font-size: .95em; color: #4a3b28;
}

.ctitle {
  text-align: center; font-variant: small-caps;
  letter-spacing: .08em; font-size: 1.05em;
  margin-top: .45em; color: #5a4a33;
}
.verse {
  text-align: center; font-style: italic;
  margin: 1.1em 0; line-height: 1.65; color: #4a3b28;
}

.letter {
  margin: 1.1em 6%; padding: .7em 1em;
  font-size: .88em; line-height: 1.6; font-style: italic;
  color: #4a3b28; background: rgba(146,120,70,.07);
  border-left: 2px solid rgba(122,100,60,.45);
}

.songtitle {
  text-align: center; font-variant: small-caps; letter-spacing: .18em;
  text-indent: .18em; font-size: .92em; color: #5a4a33; margin: 1.2em 0 .3em;
}
.plate {
  margin: 1.2em auto; padding: .45em 1.2em; width: fit-content;
  text-align: center; letter-spacing: .3em; text-indent: .3em; font-size: .86em;
  color: #4a3b28; border: 1px solid rgba(122,100,60,.55); border-radius: 2px;
  background: rgba(170,150,95,.14);
}
.prog {
  margin: 1.1em 6%; text-align: center; font-size: .85em; line-height: 1.75;
  color: #4a3b28; border-top: 1px solid rgba(122,100,60,.4);
  border-bottom: 1px solid rgba(122,100,60,.4); padding: .7em 0;
}








/* ---------- Andersen: tale headings, sub-sections, footnotes ---------- */
.thead { margin: .2em 0 1.15em; text-align: center; }
.torn  { font-size: 1.05em; color: #a8182a; opacity: .8; line-height: 1; margin-bottom: .5em; }
.ttitle {
  font-variant: small-caps; letter-spacing: .085em;
  font-size: 1.32em; line-height: 1.24; font-weight: 600; color: #8c1020;
  text-shadow: 0 1px 0 rgba(255,255,255,.55);
}
.trule {
  width: 46%; height: 0; margin: .62em auto 0; border-top: 1px solid #bd8f22;
  box-shadow: 0 2px 0 -1px rgba(189,143,34,.45);
}
.part {
  text-align: center; font-variant: small-caps; letter-spacing: .05em;
  font-size: .95em; color: #175b7d; margin: 1.05em 0 .8em; line-height: 1.35;
}
.fn {
  font-size: .8em; font-style: italic; color: #6b5a44;
  border-top: 1px solid rgba(107,90,68,.3); margin: .85em 0 .4em; padding-top: .35em;
}
.verse { color: #46341f; }

/* ---------- Andersen: the papercut unfolds ---------- */
.cover-title { width: 100%; }
.cover-title svg { width: 100%; height: auto; display: block; overflow: visible; }

@keyframes nOpenL { from { opacity: 0; transform: scaleX(0); }
                    to   { opacity: 1; transform: scaleX(1); } }
@keyframes nOpenR { from { opacity: 0; transform: scaleX(0); }
                    to   { opacity: 1; transform: scaleX(1); } }
@keyframes nPop   { 0% { opacity: 0; transform: scale(.3) rotate(-8deg); }
                    72% { opacity: 1; transform: scale(1.12) rotate(2deg); }
                    100% { opacity: 1; transform: scale(1) rotate(0); } }
@keyframes nDraw  { from { opacity: 0; } to { opacity: .5; } }
@keyframes nDrift { 0%   { opacity: 0; transform: translate(0,0) rotate(0deg); }
                    14%  { opacity: .8; }
                    100% { opacity: 0; transform: translate(-22px,-92px) rotate(210deg); } }
@keyframes nRise  { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes nSheen { 0% { transform: translateX(-190px) skewX(-16deg); }
                    62%,100% { transform: translateX(780px) skewX(-16deg); } }
@keyframes nGlow  { 0%,100% { opacity: .5; } 50% { opacity: .95; } }

/* both halves hinge on the crease, so the sheet reads as opening not sliding */
.cut       { opacity: 0; }
.half-l    { transform-origin: 300px 200px; animation: nOpenL .85s cubic-bezier(.2,.9,.3,1) .3s forwards; }
.half-r    { transform-origin: 300px 200px; animation: nOpenR .85s cubic-bezier(.2,.9,.3,1) .5s forwards; }
.crown     { transform-box: fill-box; transform-origin: 50% 100%;
             animation: nPop .7s cubic-bezier(.2,1.5,.45,1) 1.25s forwards; }
.crease    { opacity: 0; animation: nDraw .7s ease-out .2s forwards; }
.snip      { transform-box: fill-box; transform-origin: 50% 50%;
             animation: nDrift 7s linear infinite; animation-delay: var(--d); }
.n-halo    { animation: nGlow 5.5s ease-in-out infinite; }
.n-title   { opacity: 0; animation: nRise .95s cubic-bezier(.2,.9,.3,1) forwards;
             animation-delay: var(--d); }
.sheen     { animation: nSheen 5.8s cubic-bezier(.5,0,.5,1) 3.6s infinite; }

@media (prefers-reduced-motion: reduce) {
  .cut, .crown, .crease, .n-title { opacity: 1; animation: none; transform: none; }
  .crease { opacity: .5; }
  .snip, .n-halo, .sheen { animation: none; }
}

/* ---------- skip to page (fixed overlay: never touches #flipbook) ---------- */
#skipbar {
  position: fixed; left: 50%; bottom: 12px;
  transform: translateX(-50%) translateY(10px);
  z-index: 70;
  display: flex; align-items: center; gap: 8px;
  opacity: 0; pointer-events: none;
  transition: opacity .32s ease, transform .32s ease;
  font-family: Georgia, 'Palatino Linotype', serif;
}
#skipbar.vis { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }

#skipbar button {
  font: 13.5px/1 Georgia, serif; letter-spacing: .06em;
  color: #f7f1e3; background: rgba(74,5,18,.86);
  border: 1px solid rgba(255,216,106,.55); border-radius: 18px;
  padding: 9px 16px; cursor: pointer;
  -webkit-appearance: none; appearance: none;
  transition: background .18s, color .18s, border-color .18s;
}
#skipbar button:hover { background: rgba(70,21,122,.94); color: #fff8dc; border-color: #ffd86a; }
#skipbar button:focus-visible { outline: 2px solid #ffd86a; outline-offset: 2px; }

#skip-wrap {
  display: none; align-items: center; gap: 6px;
  background: rgba(38,10,66,.9);
  border: 1px solid rgba(255,216,106,.55); border-radius: 18px;
  padding: 5px 6px 5px 12px;
}
#skip-wrap.open { display: flex; }
#skip-btn.gone { display: none; }

#skip-input {
  width: 74px; font: 14px/1 Georgia, serif; text-align: center;
  color: #1b0733; background: #f8f0e2;
  border: 1px solid rgba(255,216,106,.7); border-radius: 12px;
  padding: 7px 8px; -webkit-appearance: none; appearance: none;
}
#skip-input:focus { outline: 2px solid #ffd86a; outline-offset: 1px; }
#skip-err {
  font: 11.5px/1 Georgia, serif; letter-spacing: .05em;
  color: rgba(255,238,192,.72); padding-right: 8px; white-space: nowrap;
}

@keyframes skipShake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-5px); } 40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); } 80% { transform: translateX(3px); }
}
#skip-wrap.bad { animation: skipShake .34s ease; border-color: #ff5c7a; }
#skip-wrap.bad #skip-err { color: #ffb3c1; }

@media (prefers-reduced-motion: reduce) {
  #skipbar { transition: opacity .2s ease; transform: translateX(-50%); }
  #skipbar.vis { transform: translateX(-50%); }
  #skip-wrap.bad { animation: none; }
}
