/* Existing Chinese labels use one small, self-hosted handwritten font. OFL
   attribution is bundled beside the WOFF2; CAKE retains its approved art. */
@font-face {
  font-family: "Reader Paper Round";
  src: url("./assets/translation/header-labels/reader-paper-chinese.woff2?v=1") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
#paperHeader {
  position: absolute;
  inset: 0;
  z-index: 21;
  pointer-events: none;
}
#paperHeader[hidden], #paperHeader [hidden], #readerTranslation[hidden], #paperPreviewLauncher[hidden] { display: none; }
/* Reader supplies its own home control; the shared portal pill must not cover it. */
body:has(#paperHeader:not([hidden])) #endless-portal-home { display: none !important; }
.paper-header-tool, #paperHeaderMeaning { position: absolute; }
.paper-header-tool {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 44px;
  min-height: 44px;
  border: 0;
  margin: 0;
  padding: 3px;
  background: none;
  color: #126370;
  font: 800 17px/1.2 "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
  border-radius: 12px;
  transition: background .15s ease, transform .15s ease;
}
.paper-header-tool svg {
  display: block;
  flex: none;
  width: 38px;
  height: 38px;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  pointer-events: none;
  filter: drop-shadow(0 1px 0 #fffef7);
}
.paper-header-tool span { pointer-events: none; }
.paper-header-tool .paper-icon-solid { fill: currentColor; stroke-width: 1.2; }
.paper-header-nav { text-shadow: 0 1px 0 #fffef8; }
#paperHeader[data-short-row="true"] .paper-header-nav { font-size: 13px; gap: 2px; padding: 0; }
#paperHeader[data-short-row="true"] .paper-header-nav svg { width: 28px; height: 28px; }
.paper-header-note {
  flex-direction: row;
  gap: 7px;
  padding: 9px 10px 3px;
  font-size: 16px;
  border-radius: 14px;
  isolation: isolate;
}
.paper-header-note::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: url("./assets/translation/header-labels/tool-note-base.svg?v=3") center / 100% 100% no-repeat;
  filter: drop-shadow(0 2px 1px #304c5026);
  pointer-events: none;
}
.paper-header-note svg { width: 24px; height: 24px; stroke-width: 2.5; }
.paper-header-note:active { transform: translateY(1px) scale(.97); }
.paper-header-tool .paper-eye-slash { display: none; }
.paper-header-tool[aria-pressed="false"] .paper-eye-slash { display: block; }
.paper-header-tool[aria-pressed="false"] { color: #667a7d; }
.paper-meaning-note img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}
.paper-header-tool:active { transform: translateY(1px) scale(.97); }
.paper-meaning-note[data-dynamic="true"] { background: url("./assets/translation/header-labels/tool-note-base.svg?v=3") center / 100% 100% no-repeat; filter: drop-shadow(0 2px 1px #304c5026); }
.paper-label-art { position: absolute; left: 8%; top: 22%; width: 27%; height: 64%; pointer-events: none; }
.paper-semantic-art { position: absolute; inset: 0; color: #745438; }
.paper-semantic-turn, .paper-semantic-relation { display: flex; align-items: center; justify-content: space-between; gap: 3%; }
.paper-semantic-turn span:first-child, .paper-semantic-turn span:last-child,
.paper-semantic-relation span:first-child, .paper-semantic-relation span:last-child {
  display: grid; place-items: center; width: 37%; height: 40%;
  border: 1.5px solid #d9ac76; border-radius: 5px; background: #fff0d8;
  color: #765039; font: 700 9px/1 "STKaiti", "KaiTi", serif;
}
.paper-semantic-turn span:last-child, .paper-semantic-relation span:last-child { background: #e6f5f0; }
.paper-semantic-turn span:nth-child(2), .paper-semantic-relation span:nth-child(2) {
  color: #cf9860; font: 900 16px/1 system-ui, sans-serif;
}
.paper-semantic-time { display: flex; align-items: center; justify-content: space-evenly; }
.paper-semantic-time::before { content: ""; position: absolute; left: 15%; right: 15%; top: 50%; border-top: 1.5px solid #d6a568; }
.paper-semantic-time span { position: relative; width: 12%; aspect-ratio: 1; border: 1.5px solid #a8805a; border-radius: 50%; background: #fff4df; }
.paper-semantic-time span.current { width: 24%; background: #efb843; box-shadow: 0 0 0 2px #fff2c1; }
.paper-semantic-time::after { content: attr(data-label); position: absolute; left: 25%; right: 25%; bottom: 2%; color: #745438; text-align: center; font: 700 7px "STKaiti", "KaiTi", serif; }
.paper-semantic-watch span { position: absolute; top: 22%; width: 30%; aspect-ratio: 1; border: 1.5px solid #6b4d39; border-radius: 50%; background: radial-gradient(circle at 64% 48%, #29495a 0 18%, #fff8e9 19% 100%); }
.paper-semantic-watch span:first-child { left: 13%; }
.paper-semantic-watch span:nth-child(2) { left: 43%; }
.paper-semantic-watch i { position: absolute; left: 76%; top: 18%; width: 13%; aspect-ratio: 1; border-radius: 50%; background: #eea43d; box-shadow: 0 2px 0 #b46d43; }
.paper-label-text {
  position: absolute; left: 37%; right: 9%; top: 21%; bottom: 13%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #006371; white-space: nowrap;
  font: 400 var(--paper-label-font, 28px)/1.06 "Reader Paper Round", "Yuanti SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  -webkit-text-stroke: .05em currentColor;
  paint-order: stroke fill;
  letter-spacing: var(--paper-label-tracking, .035em);
  text-align: center; font-kerning: normal; pointer-events: none;
}
.paper-label-text > span { display: block; flex: none; }
.paper-meaning-note[data-has-art="false"] .paper-label-text,
.paper-meaning-note[data-compact="true"] .paper-label-text { left: 12%; }
.paper-meaning-note[data-compact="true"] .paper-label-art { display: none; }
.paper-meaning-note[data-image-ready="false"] .paper-label-complete { visibility: hidden; }
.paper-meaning-note[data-image-ready="true"] .paper-label-fallback { display: none; }
.paper-meaning-note [hidden] { display: none !important; }
#paperPreviewWord { display: block; width: 100%; margin: 16px 0; padding: 10px; background: #fffdf7; color: #155b68; border: 1px solid #7fb6b5; border-radius: 8px; font-size: 16px; }
.paper-header-tool:focus-visible { outline: 2px solid #267f88; outline-offset: 2px; }
@media (hover: hover) {
  .paper-header-nav:hover { background: #2866750c; }
  .paper-header-note:hover::before { filter: drop-shadow(0 2px 2px #304c5038) brightness(1.015); }
}
#paperHeaderMeaning:not([hidden]) { animation: paper-note-arrive .28s ease-out both; }
@keyframes paper-note-arrive {
  from { transform: translateY(-3px) rotate(-1deg); }
  to { transform: none; }
}
#paperPreviewLauncher {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #153d46ed;
  color: #155b68;
  font-family: system-ui, "PingFang SC", sans-serif;
  touch-action: manipulation;
}
.paper-preview-card {
  width: min(500px, 100%);
  padding: 26px 30px;
  border: 3px solid #7fb6b5;
  border-radius: 24px;
  background: #fffaf0;
  text-align: center;
}
.paper-preview-card h1 { margin: 10px 0; font-size: 25px; }
.paper-preview-card p { font-size: 15px; line-height: 1.8; }
.paper-preview-card .paper-preview-hint { font-size: 12px; color: #617d7e; }
#paperPreviewStart {
  padding: 13px 32px;
  border: 0;
  border-radius: 13px;
  background: #176d77;
  color: #fffaf0;
  font-size: 18px;
  cursor: pointer;
}
#paperPreviewStart:disabled { opacity: .5; cursor: wait; }
#paperPreviewStatus { display: block; margin-top: 14px; font-size: 13px; }
@media (max-width: 899px), (max-height: 479px) {
  .paper-header-nav { font-size: 13px; gap: 3px; padding: 0; }
  .paper-header-nav svg { width: 32px; height: 32px; }
  .paper-header-note { font-size: 13px; gap: 4px; padding: 8px 7px 3px; }
  .paper-header-note svg { width: 20px; height: 20px; }
}
@media (max-width: 639px) {
  .paper-header-nav { font-size: 11px; }
  .paper-header-nav svg { width: 28px; height: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  #paperHeaderMeaning:not([hidden]) { animation: none; }
  .paper-header-tool { transition: none; }
}

/* Approved library bookmarks: only the two empty top corners, no canvas change. */
#paperHeader[data-scene="library"] :is(#paperHeaderHome, #paperHeaderFullscreen) {
  color: #fff1ce;
  font-size: var(--library-ribbon-font, 22px);
  font-weight: 800;
  line-height: 1.2;
  border-radius: 0;
  padding: 0 0 9px;
  gap: 6px;
  text-shadow: 0 1px 1px #15383e36;
  background: url("./assets/translation/header-labels/library-ribbon-teal.svg") center / 100% 100% no-repeat;
  filter: drop-shadow(1px 3px 2px #142f363b);
}
#paperHeader[data-scene="library"] #paperHeaderHome { margin-left: env(safe-area-inset-left, 0px); }
#paperHeader[data-scene="library"] #paperHeaderFullscreen {
  margin-left: calc(0px - env(safe-area-inset-right, 0px));
  background-image: url("./assets/translation/header-labels/library-ribbon-blue.svg");
}
#paperHeader[data-scene="library"] :is(#paperHeaderHome, #paperHeaderFullscreen) svg {
  width: var(--library-ribbon-icon, 36px);
  height: var(--library-ribbon-icon, 36px);
  stroke-width: 3.3;
  filter: none;
}
#paperHeaderFullscreen .paper-fullscreen-exit,
#paperHeaderFullscreen[aria-pressed="true"] .paper-fullscreen-enter { display: none; }
#paperHeaderFullscreen[aria-pressed="true"] .paper-fullscreen-exit { display: block; }
#paperHeader[data-scene="library"] :is(#paperHeaderHome, #paperHeaderFullscreen):focus-visible {
  outline: 2px solid #fff1ce;
  outline-offset: 4px;
}
#paperHeaderFullscreen:disabled { cursor: default; }
#paperHeaderFullscreenStatus {
  position: absolute;
  top: 19%;
  right: 3%;
  max-width: min(300px, 80%);
  border-radius: 8px;
  padding: 8px 12px;
  background: #173f4bf0;
  color: #fff1ce;
  font: 14px/1.5 system-ui, sans-serif;
}
@media (hover: hover) {
  #paperHeader[data-scene="library"] :is(#paperHeaderHome, #paperHeaderFullscreen):hover {
    filter: drop-shadow(1px 3px 2px #142f364d) brightness(1.07);
  }
}