/* ============================================================
   READER v2 — Clean, immersive ebook reader
   Inspired by Readest / Apple Books / Kindle
   ============================================================ */

/* --- Themes --- */
:root {
  --r-bg: #1e1a16; --r-fg: #e8e0d4; --r-link: #d4ac5c;
  --r-bar: rgba(24,20,16,.92); --r-border: rgba(180,145,80,.12);
  --r-hover: rgba(180,145,80,.06); --r-accent: #c4a159;
  --r-shadow: 0 4px 24px rgba(0,0,0,.4);
  --r-safe-top: env(safe-area-inset-top, 0px);
  --r-safe-right: env(safe-area-inset-right, 0px);
  --r-safe-bottom: env(safe-area-inset-bottom, 0px);
  --r-safe-left: env(safe-area-inset-left, 0px);
  --r-toolbar-body: 44px;
  --r-footer-body: 36px;
  --r-toolbar-h: calc(var(--r-toolbar-body) + var(--r-safe-top));
  --r-footer-h: calc(var(--r-footer-body) + var(--r-safe-bottom));
}
[data-reader-theme="light"] {
  --r-bg: #faf6ef; --r-fg: #2c251e; --r-link: #88652d;
  --r-bar: rgba(250,246,239,.94); --r-border: rgba(97,78,55,.12);
  --r-hover: rgba(97,78,55,.04); --r-accent: #9a7842;
  --r-shadow: 0 4px 24px rgba(0,0,0,.08);
}
[data-reader-theme="sepia"] {
  --r-bg: #f4ecd8; --r-fg: #463b2f; --r-link: #88652d;
  --r-bar: rgba(244,236,216,.94); --r-border: rgba(97,78,55,.12);
  --r-hover: rgba(97,78,55,.04); --r-accent: #9a7842;
  --r-shadow: 0 4px 24px rgba(60,40,10,.1);
}
[data-reader-theme="night"] {
  --r-bg: #0d0b0a; --r-fg: #948b81; --r-link: #8a7a67;
  --r-bar: rgba(14,12,11,.96); --r-border: rgba(180,145,80,.05);
  --r-hover: rgba(180,145,80,.04); --r-accent: #786b59;
  --r-shadow: 0 4px 24px rgba(0,0,0,.5);
}

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{height:100%;-webkit-text-size-adjust:100%;background:var(--r-bg)}
body{
  height:100%;overflow:hidden;
  min-height:100vh;
  min-height:100dvh;
  background:var(--r-bg);color:var(--r-fg);
  font-family:-apple-system,'Segoe UI',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  transition:background .3s,color .3s;
}

/* --- Chrome auto-hide --- */
.reader-chrome{
  transition:opacity .3s,transform .3s cubic-bezier(.4,0,.2,1);
}
body.chrome-hidden .reader-chrome{
  opacity:0;pointer-events:none;
}
body.chrome-hidden .reader-toolbar{transform:translateY(-100%)}
body.chrome-hidden .reader-footer{transform:translateY(100%)}

/* ================================================================
   TOOLBAR
   ================================================================ */
.reader-toolbar{
  position:fixed;top:0;left:0;right:0;z-index:200;
  height:var(--r-toolbar-h);
  padding:var(--r-safe-top) calc(8px + var(--r-safe-right)) 0 calc(8px + var(--r-safe-left));
  display:flex;align-items:center;gap:2px;
  background:var(--r-bar);
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  border-bottom:1px solid var(--r-border);
  font-size:13px;
}

.tb-left,.tb-center,.tb-right{
  display:flex;align-items:center;gap:4px;min-width:0;
}
.tb-left{flex:1 1 0}
.tb-center{flex:0 1 40%;justify-content:center}
.tb-right{flex:1 1 0;justify-content:flex-end}

.tb-btn{
  color:var(--r-fg);background:none;border:none;border-radius:999px;
  padding:6px 7px;cursor:pointer;display:inline-flex;align-items:center;
  transition:background .15s, transform 0.15s ease;text-decoration:none;position:relative;
}
.tb-btn:hover{background:var(--r-hover)}
.tb-btn:active{opacity:.6;transform:scale(0.95)}
.tb-btn.is-active{background:var(--r-hover);box-shadow:inset 0 0 0 1px var(--r-border)}
.tb-btn:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px}
.tb-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tb-tts-wrap{display:flex;align-items:center;gap:1px}
.tb-tts-skip:disabled{opacity:.35;cursor:not-allowed}
.tb-tts-skip svg{fill:currentColor;stroke:none}
.tb-btn .tts-main-icon .tts-main-path{fill:currentColor;stroke:none}
.tb-meta{display:flex;flex-direction:column;min-width:0;gap:1px}
.tb-kicker{font-size:10px;text-transform:uppercase;letter-spacing:.08em;opacity:.35;line-height:1}
.tb-title{font-weight:500;opacity:.75;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;letter-spacing:-.01em}

.tb-progress{font-size:11px;opacity:.4;font-variant-numeric:tabular-nums;font-weight:500;min-width:30px;text-align:center}
.tb-sep{width:1px;height:14px;background:var(--r-border);margin:0 4px;flex-shrink:0}
.tb-chapter{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:.5;font-size:12px}

@media(max-width:640px){
  :root{--r-toolbar-body:40px;--r-footer-body:34px}
  .reader-toolbar{height:var(--r-toolbar-h);padding:var(--r-safe-top) calc(4px + var(--r-safe-right)) 0 calc(4px + var(--r-safe-left))}
  .reader-footer{height:var(--r-footer-h)}
  .tb-btn{padding:5px}
  .tb-btn svg{width:18px;height:18px}
  .tb-title{font-size:12px}
  .tb-hide-m,.tb-hide-mobile{display:none !important}
  .tb-meta{max-width:calc(100vw - 168px)}
  .tb-tts-wrap .tb-tts-skip{display:none}
}

/* TTS — нижняя панель при озвучке (не скрывается с chrome) */
.reader-tts-dock{
  position:fixed;left:0;right:0;z-index:220;
  /* над полосой прогресса (.reader-footer ≈ 36px + safe area) */
  bottom:var(--r-footer-h);
  display:none;justify-content:center;
  padding:8px 12px 6px;
  pointer-events:none;
}
body.chrome-hidden .reader-tts-dock{
  bottom:0;
  padding-bottom:calc(8px + env(safe-area-inset-bottom, 0));
}
.reader-tts-dock.is-visible{
  display:flex;pointer-events:auto;
}
.reader-tts-dock-inner{
  display:flex;align-items:center;gap:10px;
  padding:6px 12px;border-radius:999px;
  background:var(--r-bar);
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  border:1px solid var(--r-border);
  box-shadow:var(--r-shadow);
}
.reader-tts-dock-btn{
  color:var(--r-fg);background:none;border:none;border-radius:999px;
  min-width:46px;min-height:46px;padding:8px;
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:background .15s, transform 0.15s ease;
}
.reader-tts-dock-btn:hover{background:var(--r-hover)}
.reader-tts-dock-btn:active{transform:scale(0.95)}
.reader-tts-dock-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}
.reader-tts-dock-btn:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px}
.reader-tts-dock-btn.is-active{background:var(--r-hover);box-shadow:inset 0 0 0 1px var(--r-border)}
.reader-tts-dock-btn svg{width:26px;height:26px;fill:currentColor;stroke:none}
.reader-tts-dock-btn .tts-main-icon{width:26px;height:26px}
.reader-tts-dock-btn .tts-main-icon .tts-main-path{fill:currentColor;stroke:none}

/* ================================================================
   VIEWPORT — foliate-view fills the remaining space
   ================================================================ */
#reader-body{
  position:fixed;
  top:var(--r-safe-top);
  right:var(--r-safe-right);
  bottom:var(--r-safe-bottom);
  left:var(--r-safe-left);
  overflow:hidden;
  background:var(--r-bg);
}
foliate-view{
  display:block;position:absolute;inset:0;width:100%;height:100%;z-index:1;
  box-sizing:border-box;
}

/* ================================================================
   LOADING / ERROR
   ================================================================ */
.reader-loading{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  height:100%;gap:16px;
}
.reader-spinner{
  width:24px;height:24px;
  border:2.5px solid var(--r-border);border-top-color:var(--r-accent);
  border-radius:50%;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.reader-loading-text{opacity:.35;font-size:13px}

.reader-error{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  height:100%;gap:10px;color:var(--r-fg);
}
.reader-error-title{font-size:16px;font-weight:600}
.reader-error-text{opacity:.45;font-size:13px;max-width:340px;text-align:center;line-height:1.5}

/* Native browser PDF viewer used as a fallback for PDF books (foliate-js has no PDF support). */
.reader-pdf-frame{
  position:absolute;inset:0;width:100%;height:100%;border:0;background:var(--r-bg);
}

/* ================================================================
   FOOTER BAR — seekbar + progress
   ================================================================ */
.reader-footer{
  position:fixed;bottom:0;left:0;right:0;z-index:200;
  height:var(--r-footer-h);
  padding:0 calc(16px + var(--r-safe-right)) var(--r-safe-bottom) calc(16px + var(--r-safe-left));
  display:flex;align-items:center;gap:10px;
  background:var(--r-bar);
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  border-top:1px solid var(--r-border);
  font-size:11px;color:var(--r-fg);
}

.ft-chapter{
  flex:0 0 auto;max-width:200px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  opacity:.55;font-size:11px;
}
.ft-seek-wrap{flex:1;display:flex;align-items:center}
.ft-seek{
  --seek-pct:0%;
  -webkit-appearance:none;appearance:none;
  width:100%;height:20px;outline:none;cursor:pointer;
  background:transparent !important;margin:0;padding:0;
}
.ft-seek::-webkit-slider-runnable-track{
  height:4px;border-radius:2px;
  background:linear-gradient(to right, var(--r-accent) var(--seek-pct), var(--r-border) var(--seek-pct));
}
.ft-seek::-webkit-slider-thumb{
  -webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:var(--r-accent);border:none;cursor:pointer;
  box-shadow:0 1px 4px rgba(0,0,0,.25);transition:transform .15s;
  margin-top:-5px;
}
.ft-seek::-webkit-slider-thumb:hover{transform:scale(1.25)}
.ft-seek::-moz-range-track{
  height:4px;border-radius:2px;
  background:var(--r-border);border:none;
}
.ft-seek::-moz-range-progress{
  height:4px;border-radius:2px;
  background:var(--r-accent);
}
.ft-seek::-moz-range-thumb{
  width:14px;height:14px;border-radius:50%;
  background:var(--r-accent);border:none;cursor:pointer;
  box-shadow:0 1px 4px rgba(0,0,0,.25);
}
.ft-pct{
  flex:0 0 auto;min-width:34px;text-align:right;
  opacity:.5;font-variant-numeric:tabular-nums;
}

@media(max-width:640px){
  .reader-footer{
    padding:0 calc(10px + env(safe-area-inset-right,0)) env(safe-area-inset-bottom,0) calc(10px + env(safe-area-inset-left,0));
    gap:6px;
  }
  .ft-chapter{display:none}
}

/* Номера «страниц» (оценка по объёму текста) — не скрываются с chrome */
.reader-book-pages{
  position:fixed;left:0;right:0;z-index:50;pointer-events:none;
  display:flex;justify-content:space-between;align-items:flex-end;
  padding:0 calc(14px + env(safe-area-inset-right,0)) 0 calc(14px + env(safe-area-inset-left,0));
  font-size:11px;font-weight:500;font-variant-numeric:tabular-nums;
  color:var(--r-fg);opacity:.4;
  transition:bottom .3s cubic-bezier(.4,0,.2,1),opacity .25s;
}
body.chrome-hidden .reader-book-pages{
  bottom:calc(10px + var(--r-safe-bottom));
}
body:not(.chrome-hidden) .reader-book-pages{
  bottom:calc(var(--r-footer-h) + 6px);
}
.reader-book-pages.is-hidden{display:none}
.book-page-num{min-width:2ch;text-align:center}
.book-page-num:first-child{text-align:left}
.book-page-num:last-child{text-align:right}
@media(max-width:640px){
  .reader-book-pages{font-size:10px;opacity:.35}
  body.chrome-hidden .reader-book-pages{opacity:0}
}

/* ================================================================
   SIDE PANEL — desktop: right drawer; mobile: bottom sheet
   ================================================================ */
.panel-overlay{
  position:fixed;inset:0;z-index:300;
  background:rgba(0,0,0,0);
  transition:background .3s;pointer-events:none;
}
.panel-overlay.is-open{background:rgba(0,0,0,.35);pointer-events:auto}

.panel-backdrop{
  display:none;
}

.panel{
  position:fixed;top:0;right:0;bottom:0;z-index:310;
  width:320px;max-width:88vw;
  background:var(--r-bar);
  backdrop-filter:blur(24px) saturate(1.4);
  -webkit-backdrop-filter:blur(24px) saturate(1.4);
  border-left:1px solid var(--r-border);
  display:flex;flex-direction:column;font-size:14px;
  box-shadow:var(--r-shadow);
  transform:translateX(100%);
  transition:transform .35s cubic-bezier(.32,.72,0,1);
  pointer-events:none;
}
.panel-overlay.is-open .panel{
  transform:translateX(0);
  pointer-events:auto;
}

.panel-header{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:calc(16px + var(--r-safe-top)) 16px 10px 16px;
  border-bottom:1px solid var(--r-border);
  flex-shrink:0;
}
.panel-heading{min-width:0}
.panel-kicker{font-size:10px;text-transform:uppercase;letter-spacing:.08em;opacity:.3;margin-bottom:3px}
.panel-title{font-size:17px;font-weight:600;letter-spacing:-.02em}
.panel-close{
  background:none;border:none;color:var(--r-fg);cursor:pointer;
  font-size:18px;padding:6px;opacity:.35;border-radius:999px;
  transition:opacity .15s,background .15s;flex:0 0 auto;
}
.panel-close:hover{opacity:1;background:var(--r-hover)}
.panel-close:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px;opacity:1}

.panel-tabs{display:flex;padding:0 12px;flex-shrink:0;overflow-x:auto;scrollbar-width:none}
.panel-tabs::-webkit-scrollbar{display:none}
.panel-tab{
  flex:1 0 auto;padding:12px 10px 10px;text-align:center;font-size:12px;white-space:nowrap;
  font-weight:600;cursor:pointer;background:none;border:none;
  color:var(--r-fg);opacity:.35;border-bottom:2px solid transparent;
  transition:opacity .2s,border-color .2s;letter-spacing:.02em;
}
.panel-tab:hover{opacity:.65}
.panel-tab.is-active{opacity:1;border-bottom-color:var(--r-accent)}
.panel-tab:focus-visible{outline:2px solid var(--r-accent);outline-offset:-2px;opacity:1}

.panel-body{
  flex:1;overflow-y:auto;
  padding:16px 16px calc(16px + var(--r-safe-bottom));
  scrollbar-width:thin;scrollbar-color:var(--r-border) transparent;
  overscroll-behavior:contain;
}
.panel-body[hidden]{display:none !important}

@media(max-width:640px){
  .panel-overlay:not(.is-open){
    display:none;
  }
  .panel-overlay.is-open{
    display:flex;
    visibility:visible;
    background:transparent;
    pointer-events:none;
  }
  .panel-overlay{
    flex-direction:column;
    justify-content:flex-end;
    align-items:stretch;
  }
  .panel-backdrop{
    display:block;
    position:absolute;
    inset:0;
    border:0;
    padding:0;
    margin:0;
    cursor:pointer;
    background:rgba(0,0,0,.44);
    pointer-events:none;
    opacity:0;
    transition:opacity .3s;
  }
  .panel-overlay.is-open .panel-backdrop{
    opacity:1;
    pointer-events:auto;
  }

  .panel{
    position:relative;
    top:auto;right:auto;bottom:auto;left:auto;
    width:100%;max-width:100%;
    border-left:none;
    border-top:1px solid var(--r-border);
    border-radius:16px 16px 0 0;
    box-shadow:0 -10px 48px rgba(0,0,0,.32);
    transform:translateY(110%);
    flex-shrink:0;
    z-index:1;
    pointer-events:none;
    visibility:hidden;
    height:50vh;
    height:50dvh;
    max-height:50dvh;
    min-height:50dvh;
    padding-left:var(--r-safe-left);
    padding-right:var(--r-safe-right);
    box-sizing:border-box;
    overflow:hidden;
  }
  .panel-overlay.is-open .panel{
    transform:translateY(0);
    pointer-events:auto;
    visibility:visible;
  }
  .panel-header{
    padding:18px 16px 10px;
    position:relative;
    flex-shrink:0;
  }
  .panel-tabs{
    flex-shrink:0;
  }
  .panel-body{
    flex:1 1 auto;
    min-height:0;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .panel-header::before{
    content:'';
    position:absolute;top:7px;left:50%;
    width:40px;height:4px;border-radius:999px;
    background:var(--r-border);
    transform:translateX(-50%);
    opacity:.9;
  }
  .rs-layout-dual-btn{display:none !important}
}

/* --- Settings: themes --- */
.rs-group{margin-bottom:22px}
.rs-label{
  font-size:10px;font-weight:600;text-transform:uppercase;
  letter-spacing:.06em;opacity:.3;margin-bottom:8px;
}
.rs-sublabel{
  font-size:11px;font-weight:500;opacity:.55;margin:10px 0 6px;
}
.rs-hint{
  font-size:11px;opacity:.45;margin-top:6px;line-height:1.35;
}
.rs-check{
  display:flex;align-items:center;gap:8px;margin-top:10px;
  font-size:12px;opacity:.75;cursor:pointer;user-select:none;
}
.rs-check input{accent-color:var(--r-accent);cursor:pointer}

.rs-themes{display:flex;gap:12px;justify-content:center;padding:4px 0}
.rs-theme-dot{
  width:36px;height:36px;border-radius:50%;
  border:3px solid transparent;cursor:pointer;
  transition:border-color .2s,transform .15s;
  position:relative;
}
.rs-theme-dot:hover{transform:scale(1.08)}
.rs-theme-dot.is-active{border-color:var(--r-accent)}
.rs-theme-dot:focus-visible{outline:2px solid var(--r-accent);outline-offset:3px}
.rs-theme-dot[data-set-theme="dark"]{background:#1e1a16;box-shadow:inset 0 0 0 1px rgba(255,255,255,.15)}
.rs-theme-dot[data-set-theme="light"]{background:#faf6ef;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.rs-theme-dot[data-set-theme="sepia"]{background:#f4ecd8;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1)}
.rs-theme-dot[data-set-theme="night"]{background:#0d0b0a;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}
.rs-theme-dot .rs-dot-label{
  position:absolute;bottom:-16px;left:50%;transform:translateX(-50%);
  font-size:9px;white-space:nowrap;opacity:.45;
}

/* --- Settings: segments --- */
.rs-seg{
  display:flex;background:var(--r-hover);border-radius:999px;
  padding:3px;gap:2px;
}
.rs-seg button{
  flex:1;padding:6px 4px;font-size:12px;font-weight:500;
  cursor:pointer;background:none;color:var(--r-fg);border:none;
  border-radius:999px;transition:background .2s,box-shadow .2s, transform 0.15s ease;
  font-family:inherit;opacity:.55;
}
.rs-seg button:active { transform: scale(0.96); }
.rs-seg button.is-active{
  background:var(--r-bg);opacity:1;box-shadow:0 1px 4px rgba(0,0,0,.12);
}

.rs-select{
  width:100%;max-width:100%;box-sizing:border-box;
  padding:10px 12px;font:inherit;font-size:13px;font-weight:500;
  color:var(--r-fg);background:var(--r-hover);
  border:1px solid var(--r-border);border-radius:10px;
  cursor:pointer;outline:none;
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;padding-right:32px;
}
.rs-select:focus{border-color:rgba(124,140,248,.5);box-shadow:0 0 0 3px rgba(124,140,248,.12)}
.rs-seg button:hover:not(.is-active){opacity:.8}
.rs-seg button:focus-visible{outline:2px solid var(--r-accent);outline-offset:1px;opacity:1}

.rs-preset-seg{margin-bottom:8px}
.rs-helper{font-size:11px;line-height:1.45;opacity:.4}

.rs-color-stack{
  display:flex;flex-direction:row;gap:16px;align-items:flex-start;
}
.rs-color-line{
  flex:1;min-width:0;
}
.rs-color-line .rs-color-sub{
  font-size:10px;font-weight:600;text-transform:uppercase;
  letter-spacing:.05em;opacity:.35;margin-bottom:6px;
}
.rs-color-row{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.rs-color-stack .rs-color-row{gap:8px}
.rs-color-row input[type="color"]{
  width:44px;height:36px;padding:0;border:1px solid var(--r-border);
  border-radius:10px;cursor:pointer;background:transparent;
}
.rs-color-row input[type="color"]::-webkit-color-swatch-wrapper{padding:3px;}
.rs-color-row input[type="color"]::-webkit-color-swatch{border-radius:6px;border:none;}
.rs-color-default{
  border:1px solid var(--r-border);border-radius:999px;
  background:transparent;color:var(--r-fg);
  padding:7px 12px;font:inherit;font-size:12px;cursor:pointer;opacity:.75;
  transition:opacity .15s,background .15s;
}
.rs-color-default:hover{opacity:1;background:var(--r-hover)}
.rs-color-default:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px;opacity:1}

/* --- Settings: sliders --- */
.rs-slider{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.rs-slider .rs-icon{font-size:14px;opacity:.35;width:18px;text-align:center}
.rs-slider .rs-icon-lg{font-size:20px}
.rs-slider input[type="range"]{
  flex:1;-webkit-appearance:none;appearance:none;
  height:3px;background:var(--r-border);border-radius:2px;outline:none;
}
@media(max-width:640px){
  .panel-body input[type="range"]{
    touch-action:pan-y;
  }
}
.rs-slider input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;width:18px;height:18px;background:var(--r-accent);
  border-radius:50%;cursor:pointer;box-shadow:0 1px 3px rgba(0,0,0,.3);
}
.rs-slider input[type="range"]::-moz-range-thumb{
  width:18px;height:18px;background:var(--r-accent);
  border-radius:50%;cursor:pointer;border:none;box-shadow:0 1px 3px rgba(0,0,0,.3);
}
.rs-slider .rs-val{font-size:11px;min-width:32px;text-align:right;opacity:.45;font-variant-numeric:tabular-nums;font-weight:500}

.rs-actions{display:flex;justify-content:flex-end;margin-top:8px}
.rs-reset{
  border:1px solid var(--r-border);border-radius:999px;
  background:transparent;color:var(--r-fg);
  padding:8px 12px;font:inherit;cursor:pointer;opacity:.6;
  transition:opacity .2s,background .2s;
}
.rs-reset:hover{opacity:1;background:var(--r-hover)}
.rs-reset:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px;opacity:1}

/* --- TOC --- */
.toc-list{list-style:none}
.toc-item{
  padding:9px 12px;border-radius:6px;cursor:pointer;
  font-size:13px;line-height:1.4;transition:background .15s,color .15s;
}
.toc-item:hover{background:var(--r-hover)}
.toc-item.is-active{background:var(--r-hover);color:var(--r-accent)}
.toc-item:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px}
.toc-item-depth-1{padding-left:12px;font-weight:500}
.toc-item-depth-2{padding-left:28px;font-size:12px;opacity:.65}
.toc-item-depth-3{padding-left:44px;font-size:12px;opacity:.5}

.toc-tools{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}
.toc-search-input{
  width:100%;border:1px solid var(--r-border);border-radius:10px;
  background:rgba(128,128,128,.06);color:var(--r-fg);
  padding:8px 12px;font:inherit;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.toc-search-input::placeholder{color:currentColor;opacity:.35}
.toc-search-input:focus{border-color:rgba(124,140,248,.5);box-shadow:0 0 0 3px rgba(124,140,248,.12)}
.toc-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.toc-action-btn{
  border:1px solid var(--r-border);border-radius:999px;
  background:transparent;color:var(--r-fg);
  padding:7px 10px;font:inherit;cursor:pointer;opacity:.7;font-size:12px;
  transition:opacity .2s,background .2s,transform 0.15s ease;
}
.toc-action-btn:hover:not(:disabled){opacity:1;background:var(--r-hover)}
.toc-action-btn:active:not(:disabled){transform:scale(0.96)}
.toc-action-btn:disabled{opacity:.25;cursor:default}
.toc-action-btn:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px;opacity:1}

@media(max-width:640px){
  .toc-actions{grid-template-columns:1fr}
}

/* --- Bookmarks --- */
.bm-empty{text-align:center;padding:40px 16px;opacity:.3;font-size:13px}
.bm-current-card{
  padding:14px;border:1px solid var(--r-border);
  border-radius:12px;margin-bottom:16px;
}
.bm-current-kicker,.bm-section-title{
  font-size:10px;text-transform:uppercase;letter-spacing:.08em;opacity:.35;
}
.bm-current-title{margin-top:6px;font-size:14px;font-weight:600;line-height:1.4}
.bm-current-meta{margin-top:3px;font-size:11px;opacity:.5}
.bm-section-title{margin:16px 0 6px}
.bm-primary-btn{
  margin-top:12px;border:none;border-radius:999px;
  background:var(--r-accent);color:#fff;
  padding:8px 14px;font:inherit;font-weight:600;cursor:pointer;
  transition:opacity .15s, transform 0.15s ease;box-shadow:0 4px 16px rgba(0,0,0,.15);
}
.bm-primary-btn:hover{opacity:.9}
.bm-primary-btn:active{transform:scale(0.96)}
.bm-item{
  display:flex;align-items:center;gap:10px;padding:8px 10px;
  border-radius:6px;transition:background .15s, transform 0.15s ease;
}
.bm-item:hover{background:var(--r-hover)}
.bm-item:active{transform:scale(0.98)}
.bm-item-body{
  flex:1;cursor:pointer;min-width:0;border:none;
  background:transparent;color:inherit;text-align:left;padding:0;font:inherit;
}
.bm-item-title{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bm-item-date{font-size:10px;opacity:.3;margin-top:2px}
.bm-item-del{
  background:none;border:none;color:var(--r-fg);opacity:.18;
  cursor:pointer;font-size:14px;padding:4px;flex-shrink:0;
  border-radius:6px;transition:opacity .15s,background .15s, transform 0.15s ease;
}
.bm-item-del:hover{opacity:.7;background:rgba(220,50,50,.1);color:#d44}
.bm-item-del:active{transform:scale(0.92)}
.bm-item-body:focus-visible,.bm-primary-btn:focus-visible,.bm-item-del:focus-visible{
  outline:2px solid var(--r-accent);outline-offset:2px;
}
.bm-empty-hint{margin-top:8px;font-size:12px;opacity:.6;line-height:1.5}

/* --- Search results --- */
.search-group{
  font-size:11px;text-transform:uppercase;letter-spacing:.06em;opacity:.4;
  font-weight:600;margin:14px 0 6px;padding:0 2px;
}
.search-item{
  display:block;width:100%;text-align:left;border:none;background:transparent;
  color:inherit;font:inherit;cursor:pointer;padding:10px 12px;border-radius:8px;
  line-height:1.5;font-size:13px;transition:background .15s,transform .15s ease;
}
.search-item:hover{background:var(--r-hover)}
.search-item:active{transform:scale(0.99)}
.search-item:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px}
.search-item .search-ctx{opacity:.6}
.search-item mark{
  background:rgba(124,140,248,.28);color:inherit;border-radius:3px;
  padding:0 2px;font-weight:600;
}

/* --- Notes list --- */
.note-item{
  position:relative;display:flex;align-items:flex-start;gap:8px;
  padding:10px 10px 10px 14px;border-radius:8px;margin-bottom:6px;
  transition:background .15s, transform .15s ease;
}
.note-item:hover{background:var(--r-hover)}
.note-item::before{
  content:"";position:absolute;left:4px;top:10px;bottom:10px;width:4px;
  border-radius:999px;background:#ffd60a;
}
.note-color-green::before{background:#34d399}
.note-color-blue::before{background:#60a5fa}
.note-color-pink::before{background:#f472b6}
.note-color-underline::before{background:#f43f5e}
.note-item-body{
  flex:1;cursor:pointer;min-width:0;border:none;
  background:transparent;color:inherit;text-align:left;padding:0;font:inherit;
}
.note-quote{
  font-size:13px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;
  -webkit-box-orient:vertical;overflow:hidden;
}
.note-text{
  font-size:12px;line-height:1.5;opacity:.7;margin-top:4px;font-style:italic;
  display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.note-item-body:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px}

/* --- Selection menu (highlights/notes) --- */
.reader-sel-menu{
  position:fixed;z-index:390;display:none;align-items:center;gap:4px;
  padding:5px 6px;border-radius:999px;
  background:var(--r-bg);border:1px solid var(--r-border);
  box-shadow:0 8px 30px rgba(0,0,0,.28);
  -webkit-user-select:none;user-select:none;
}
.reader-sel-menu.is-open{display:flex}
.rsm-colors{display:flex;align-items:center;gap:4px}
.rsm-color{
  width:24px;height:24px;border-radius:999px;cursor:pointer;padding:0;
  border:2px solid rgba(128,128,128,.35);transition:transform .12s ease;
}
.rsm-color:hover{transform:scale(1.12)}
.rsm-color:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px}
.rsm-color[data-color="yellow"]{background:#ffd60a}
.rsm-color[data-color="green"]{background:#34d399}
.rsm-color[data-color="blue"]{background:#60a5fa}
.rsm-color[data-color="pink"]{background:#f472b6}
.rsm-sep{width:1px;height:22px;background:var(--r-border);margin:0 2px}
.rsm-btn{
  border:none;background:transparent;color:var(--r-fg);cursor:pointer;
  font:inherit;font-size:13px;font-weight:500;padding:5px 10px;border-radius:999px;
  transition:background .15s;
}
.rsm-btn:hover{background:var(--r-hover)}
.rsm-btn:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px}
.rsm-btn-danger:hover{background:rgba(220,50,50,.12);color:#e25}

/* --- Note editor --- */
.reader-note-editor{
  position:fixed;inset:0;z-index:392;display:none;
  align-items:center;justify-content:center;padding:20px;
  background:rgba(0,0,0,.45);
}
.reader-note-editor.is-open{display:flex}
.rne-card{
  width:100%;max-width:440px;background:var(--r-bg);color:var(--r-fg);
  border:1px solid var(--r-border);border-radius:16px;padding:18px;
  box-shadow:0 20px 60px rgba(0,0,0,.4);
}
.rne-quote{
  font-size:13px;line-height:1.5;opacity:.7;font-style:italic;
  border-left:3px solid var(--r-accent);padding-left:10px;margin-bottom:12px;
  max-height:120px;overflow:auto;
}
.rne-text{
  width:100%;box-sizing:border-box;resize:vertical;min-height:90px;
  border:1px solid var(--r-border);border-radius:10px;
  background:rgba(128,128,128,.06);color:var(--r-fg);
  padding:10px 12px;font:inherit;font-size:14px;line-height:1.5;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.rne-text:focus{border-color:rgba(124,140,248,.5);box-shadow:0 0 0 3px rgba(124,140,248,.12)}
.rne-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.rne-btn{
  border:1px solid var(--r-border);background:transparent;color:var(--r-fg);
  cursor:pointer;font:inherit;font-size:13px;font-weight:600;
  padding:8px 16px;border-radius:999px;transition:background .15s,opacity .15s;
}
.rne-btn:hover{background:var(--r-hover)}
.rne-btn:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px}
.rne-btn-primary{background:var(--r-accent);border-color:var(--r-accent);color:#fff}
.rne-btn-primary:hover{opacity:.9;background:var(--r-accent)}

/* ================================================================
   FOOTNOTE / SNACKBAR (foliate-js FootnoteHandler)
   ================================================================ */
.reader-footnote-overlay{
  position:fixed;
  inset:0;
  z-index:385;
  display:flex;
  align-items:flex-end;
  justify-content:center;
  padding:0;
  box-sizing:border-box;
}
.reader-footnote-overlay[hidden]{
  display:none !important;
}
.reader-footnote-backdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.38);
  cursor:pointer;
}
.reader-footnote-panel{
  position:relative;
  z-index:1;
  width:100%;
  max-width:540px;
  max-height:min(48vh,440px);
  margin:0 12px calc(12px + env(safe-area-inset-bottom,0));
  padding:10px 12px 14px;
  border-radius:16px 16px 12px 12px;
  background:var(--r-bar);
  backdrop-filter:blur(20px) saturate(1.3);
  -webkit-backdrop-filter:blur(20px) saturate(1.3);
  border:1px solid var(--r-border);
  box-shadow:var(--r-shadow);
  display:flex;
  flex-direction:column;
  gap:6px;
  box-sizing:border-box;
}
.reader-footnote-close{
  position:absolute;
  top:6px;
  right:8px;
  width:28px;
  height:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:none;
  border:none;
  border-radius:50%;
  color:inherit;
  cursor:pointer;
  opacity:.45;
  transition:opacity .15s,background .15s,transform 0.15s ease;
}
.reader-footnote-close:hover{opacity:1;background:var(--r-hover)}
.reader-footnote-close:active{transform:scale(0.92)}
.reader-footnote-close:focus-visible{outline:2px solid var(--r-accent);outline-offset:2px;opacity:1}
.reader-footnote-body{
  flex:1;
  min-height:72px;
  max-height:min(40vh,360px);
  margin-top:28px;
  overflow:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  scrollbar-color:var(--r-border) transparent;
}
.reader-footnote-body foliate-view{
  display:block;
  width:100%;
  min-height:60px;
}
.reader-footnote-clone aside,
.reader-footnote-clone .footnote,
.reader-footnote-clone .endnote{
  display:block !important;
  margin:0.35em 0;
}
.reader-footnote-clone a{
  color:var(--r-accent);
}

/* ================================================================
   TOAST
   ================================================================ */
.reader-toast{
  position:fixed;
  bottom:calc(var(--r-footer-h) + 12px);
  left:50%;
  max-width:min(92vw, 420px);
  text-align:center;
  transform:translateX(-50%) translateY(6px);
  background:var(--r-bar);backdrop-filter:blur(16px);
  border:1px solid var(--r-border);border-radius:999px;
  padding:7px 18px;font-size:13px;font-weight:500;
  z-index:400;opacity:0;
  transition:opacity .25s,transform .25s,bottom .3s;pointer-events:none;
  box-shadow:var(--r-shadow);
}
body.chrome-hidden .reader-toast{
  bottom:calc(12px + var(--r-safe-bottom));
}
.reader-toast.is-visible{opacity:1;transform:translateX(-50%) translateY(0)}