/* A focused reading room. Scoped to book-reader.html. */
.reader-app{--reader-ink:#173346;--reader-muted:#76847e;--reader-accent:#a9c65e;margin:0;height:100vh;height:100dvh;min-height:280px;overflow:hidden;display:flex;flex-direction:column;background:#edf0eb;color:var(--reader-ink)}
.reader-app *{box-sizing:border-box}
.reader-app .reader-symbols,.reader-app [hidden]{display:none!important}
.reader-app button,.reader-app select,.reader-app input{font:inherit}
.reader-app button,.reader-app summary,.reader-app a{-webkit-tap-highlight-color:transparent}
.reader-app .reader-sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.reader-app .reader-topbar{position:relative;z-index:10;display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:16px;min-height:78px;padding:12px 28px;background:#fbfcfa;border-bottom:1px solid #dce2d9}
.reader-app .reader-book-meta{min-width:0;display:flex;align-items:baseline;gap:12px}
.reader-app .reader-eyebrow{font-size:11px;font-weight:600;white-space:nowrap;color:var(--reader-muted)}
.reader-app #reader-title{min-width:0;margin:0!important;font-size:16px!important;font-weight:700;line-height:1.6!important;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;letter-spacing:0}
.reader-app #reader-demo-note{flex:none;font-size:10px;color:#778369;border:1px solid #dbe4ce;border-radius:6px;padding:2px 6px}
.reader-app .reader-icon-button{width:44px;height:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;flex:none;padding:0;border:1px solid transparent;border-radius:50%;color:var(--reader-ink);background:transparent;cursor:pointer;text-decoration:none;transition:background .18s,border-color .18s,transform .18s}
.reader-app .reader-icon-button:hover{background:#eaf0e4;border-color:#dbe5d3}
.reader-app .reader-icon-button:active{transform:scale(.94)}
.reader-app .reader-icon-button:disabled{opacity:.3;cursor:default;transform:none;background:none;border-color:transparent}
.reader-app svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.reader-app .reader-head-actions{display:flex;align-items:center;gap:5px}
.reader-app .reader-options{position:relative}
.reader-app .reader-options summary{list-style:none}
.reader-app .reader-options summary::-webkit-details-marker{display:none}
.reader-app .reader-options[open] summary{background:#eaf0e4;border-color:#dbe5d3}
.reader-app .reader-options-panel{position:absolute;left:0;top:calc(100% + 12px);width:300px;max-width:calc(100vw - 24px);padding:20px;border:1px solid #dfe5da;border-radius:18px;background:#fff;box-shadow:0 18px 60px #233b301c;animation:reader-menu-in .16s ease-out}
.reader-app .reader-options-title{display:block;margin-bottom:15px;font-size:14px}
.reader-app .reader-option-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px 0;font-size:12px}
.reader-app #reader-mode{width:145px;min-height:40px;padding:7px 10px;border:1px solid #dfe5da;border-radius:10px;background:#fafcf8;color:var(--reader-ink)}
.reader-app .reader-zoom-controls{display:flex;align-items:center;gap:3px}
.reader-app .reader-zoom-controls .reader-icon-button{width:40px;height:40px;min-height:40px;border-radius:10px;border-color:#e1e7dd;font-size:20px}
.reader-app #zoom-value{min-width:46px;text-align:center;font-size:12px}
.reader-app .reader-fit-button{width:100%;min-height:42px;border:1px solid #dfe5da;border-radius:10px;background:#f6f9f2;color:#49603c;font-size:12px;cursor:pointer}
.reader-app .reader-file-links{display:grid;gap:2px;margin-top:16px;padding-top:10px;border-top:1px solid #edf0e8}
.reader-app .reader-file-links .library-button{min-height:38px;justify-content:flex-start;margin:0;padding:7px 2px;background:none;border:0;box-shadow:none;color:#647565;font-size:12px;font-weight:500}
.reader-app .reader-file-links .library-button:hover{color:#173346;text-decoration:underline}
.reader-app .reader-main{position:relative;display:flex;flex-direction:column;flex:1;min-height:0;width:100%;overflow:hidden}
.reader-app .reader-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px;color:#78867c;text-align:center;padding:24px;font-size:13px}
.reader-app .reader-loading svg{width:40px;height:40px;stroke-width:1.1;animation:reader-breathe 1.6s ease-in-out infinite}
.reader-app .reader-notice{max-width:540px;margin:auto;padding:26px;background:#fff;border:1px solid #dce3d7;border-radius:20px;font-size:14px;line-height:1.9}
.reader-app .reader-shell{position:relative;flex:1;min-height:0;display:flex;flex-direction:column;background:transparent;border:0;border-radius:0;overflow:hidden}
.reader-app .reader-viewport{position:relative;flex:1;min-height:0;height:auto;overflow:auto;padding:0;perspective:none;overscroll-behavior:contain;direction:ltr;background:radial-gradient(ellipse at 50% 40%,#fafbf6 0,#eef1e9 55%,#e8ede4 100%);touch-action:pan-x pan-y pinch-zoom;scrollbar-width:thin;scrollbar-color:#c6d0be transparent}
.reader-app .reader-space{display:flex;align-items:center;justify-content:center;min-width:100%;min-height:100%;width:max-content;padding:28px 32px 36px}
.reader-app .reader-pages{position:relative;flex:none;min-width:0;display:block;transform-style:preserve-3d;isolation:isolate;outline:none;touch-action:pan-y pinch-zoom}
.reader-app .reader-pages::before{content:"";position:absolute;inset:4px -3px -5px 3px;z-index:-1;border:1px solid #c9cec1;background:#f9faf2;box-shadow:1px 2px 0 #cbd1c3,2px 4px 0 #f7f8ef,3px 6px 0 #c8cfbe;border-radius:2px;pointer-events:none}
.reader-app .reader-pages .stf__block{box-shadow:0 18px 38px #25352626,0 3px 8px #2535261a;cursor:grab}
.reader-app .reader-pages .stf__wrapper{height:100%;overflow:visible}
.reader-app .reader-pages .reader-sheet{position:relative;margin:0;min-height:0;background:#fcfcf8;box-shadow:none;border:0;overflow:hidden;user-select:none;-webkit-user-select:none}
.reader-app .reader-sheet canvas{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:block;max-width:none;pointer-events:none}
.reader-app .reader-sheet figcaption{display:none}
.reader-app .reader-pages .reader-placeholder-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:11px;color:#a3ad9a}
.reader-app .reader-pages .reader-accessible-text{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}
.reader-app [data-turn-state="user_fold"] .stf__block,.reader-app [data-turn-state="flipping"] .stf__block{cursor:grabbing}
.reader-app [data-zoomed="true"] .reader-pages,.reader-app [data-zoomed="true"] .stf__block{touch-action:pan-x pan-y pinch-zoom;cursor:auto}
.reader-app .reader-space.is-continuous{display:block;width:100%;padding-block:28px}
.reader-app .reader-pages.continuous{display:flex;flex-direction:column;align-items:center;gap:24px;width:max-content;min-width:100%}
.reader-app .reader-pages.continuous::before{display:none}
.reader-app .reader-pages.continuous .reader-sheet{margin:0;border:0;box-shadow:0 10px 28px #2535261f}
.reader-app .reader-gesture-hint{position:absolute;bottom:94px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid #dfe5d9;border-radius:99px;background:#fafcf3ed;color:#65755c;font-size:11px;white-space:nowrap;pointer-events:none;box-shadow:0 4px 16px #243a2710;transition:opacity .35s}
.reader-app .reader-gesture-hint svg{width:16px;height:16px}
.reader-app [data-interacted="true"] .reader-gesture-hint,.reader-app [data-mode="continuous"] .reader-gesture-hint,.reader-app [data-zoomed="true"] .reader-gesture-hint{opacity:0}
.reader-app .reader-bottom{position:relative;z-index:2;flex:none;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;padding:9px 28px max(10px,env(safe-area-inset-bottom));border-top:1px solid #dce2d6;background:#fbfcf8}
.reader-app .reader-navigation{display:flex;align-items:center;justify-content:center;gap:20px}
.reader-app .reader-navigation .reader-nav-button{width:44px;height:40px;min-height:40px;border:1px solid #e0e6d9;background:#f6f9f1;border-radius:12px}
.reader-app .reader-arrow-prev{transform:rotate(180deg)}
.reader-app .reader-page-form{display:flex;align-items:center;justify-content:center;gap:4px;min-width:90px;direction:ltr;color:#84907e;font-size:12px}
.reader-app #page-number{width:40px;min-height:40px;padding:4px 0;border:0;border-radius:7px;background:transparent;text-align:center;color:#1c3b42;font-size:14px;font-weight:700;appearance:textfield;-moz-appearance:textfield}
.reader-app #page-number::-webkit-inner-spin-button,.reader-app #page-number::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.reader-app #page-number:focus{background:#edf3e4;outline:2px solid #b0c882}
.reader-app .reader-progress{display:block;appearance:none;-webkit-appearance:none;width:min(400px,70vw);height:20px;margin:0;padding:0;border:0;box-shadow:none;background:transparent;cursor:pointer;direction:ltr}
.reader-app .reader-progress::-webkit-slider-runnable-track{height:3px;border-radius:6px;background:linear-gradient(to right,#a9c65e var(--reader-progress,0%),#e0e6d8 var(--reader-progress,0%))}
.reader-app .reader-progress::-moz-range-track{height:3px;border-radius:6px;background:#e0e6d8}
.reader-app .reader-progress::-moz-range-progress{height:3px;background:#a9c65e}
.reader-app .reader-progress::-webkit-slider-thumb{-webkit-appearance:none;width:10px;height:10px;margin-top:-3.5px;border-radius:50%;background:#88a748;box-shadow:0 0 0 3px #fbfcf8}
.reader-app .reader-progress::-moz-range-thumb{width:10px;height:10px;border:0;border-radius:50%;background:#88a748}
.reader-app .reader-shell[aria-busy="true"] .reader-progress{opacity:.5}
@keyframes reader-menu-in{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
@keyframes reader-breathe{50%{opacity:.4;transform:translateY(-3px)}}
@media(max-width:700px){.reader-app .reader-topbar{min-height:65px;padding:8px 12px;gap:8px}.reader-app .reader-book-meta{display:block}.reader-app .reader-eyebrow{display:none}.reader-app #reader-title{font-size:13px!important}.reader-app #reader-demo-note{display:inline-block;margin-top:2px;padding:0 4px;font-size:9px}.reader-app .reader-head-actions{gap:0}.reader-app .reader-space{padding:18px 15px 26px}.reader-app .reader-bottom{padding-inline:16px}.reader-app .reader-gesture-hint{bottom:96px;font-size:10px;padding:7px 12px}.reader-app .reader-options-panel{top:calc(100% + 10px)}}
@media(max-width:360px){.reader-app .reader-topbar{grid-template-columns:40px minmax(0,1fr) auto;gap:4px;padding-inline:8px}.reader-app .reader-space{padding-inline:12px}}
@media(prefers-reduced-motion:reduce){.reader-app *{animation:none!important;transition:none!important}}