/* ===== Container ===== */
.texon-fb-inline{width:100%;position:relative;background:#1a1a1a;border-radius:6px;overflow:hidden}
.texon-fb-viewer{position:relative;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:16px;box-sizing:border-box;gap:10px}

/* ===== Stage (holds the book + side arrows) ===== */
.texon-fb-stage{position:relative;flex:1 1 auto;min-height:0;display:flex;align-items:center;justify-content:center;width:100%;max-width:100%;overflow:hidden}
.texon-fb-book{margin:0 auto;max-width:100%;max-height:100%}

/* ===== Page & hotspots (front-end = invisible) ===== */
.texon-fb-book{will-change:transform}
.texon-fb-panner{position:absolute;inset:0;z-index:7;cursor:grab;pointer-events:none;touch-action:none;background:transparent}
.texon-fb-panner.on{pointer-events:auto}
.texon-fb-panner.on:active{cursor:grabbing}
.texon-fb-page{position:relative;width:100%;height:100%;background:#fff;overflow:hidden}
.texon-fb-page img{width:100%;height:100%;display:block;object-fit:contain;-webkit-user-drag:none;user-select:none}
.texon-fb-hotspot{position:absolute;display:block;background:transparent;border:0;cursor:pointer}
/* No hover highlight — status bar shows the URL on hover */

/* ===== Side arrows ===== */
.texon-fb-side{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:72px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.15);border:0;border-radius:6px;cursor:pointer;color:#fff;font-size:28px;line-height:1;transition:background .15s,opacity .15s;z-index:10;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.texon-fb-side:hover{background:rgba(255,255,255,.35)}
.texon-fb-side:disabled{opacity:.25;cursor:not-allowed}
.texon-fb-side-prev{left:8px}
.texon-fb-side-next{right:8px}

/* ===== Top bar: counter + zoom ===== */
.texon-fb-topbar{position:absolute;top:10px;left:50%;transform:translateX(-50%);display:flex;gap:8px;align-items:center;color:#fff;font:600 12px/1 system-ui,sans-serif;background:rgba(0,0,0,.5);padding:6px 12px;border-radius:20px;z-index:10}
.texon-fb-tools{position:absolute;top:10px;right:10px;display:flex;gap:6px;z-index:10}
.texon-fb-tools button{background:rgba(0,0,0,.75);border:0;color:#fff;width:38px;height:38px;border-radius:50%;cursor:pointer;line-height:0;display:inline-flex;align-items:center;justify-content:center;padding:0;transition:background .15s,transform .1s;box-shadow:0 2px 8px rgba(0,0,0,.35)}
.texon-fb-tools button:hover{background:#06f;transform:scale(1.05)}
.texon-fb-tools button:active{transform:scale(0.95)}
.texon-fb-tools button:focus-visible{outline:2px solid #fff;outline-offset:2px}
.texon-fb-tools button svg{width:20px;height:20px;display:block;color:#fff}

/* Zoom group: [−] [slider] [+] */
.texon-fb-zoom-group{display:inline-flex;align-items:center;gap:4px;background:rgba(0,0,0,.75);border-radius:30px;padding:3px;box-shadow:0 2px 8px rgba(0,0,0,.35)}
.texon-fb-zoom-group button{background:transparent !important;box-shadow:none !important;width:32px;height:32px}
.texon-fb-zoom-group button:hover{background:rgba(255,255,255,.15) !important;transform:none}
.texon-fb-zoom-group button:disabled{opacity:.3;cursor:not-allowed}
.texon-fb-zoom-slider{-webkit-appearance:none;appearance:none;width:100px;height:4px;background:rgba(255,255,255,.35);border-radius:2px;outline:none;margin:0 4px;cursor:pointer}
.texon-fb-zoom-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;background:#fff;border-radius:50%;cursor:grab;border:0;box-shadow:0 1px 3px rgba(0,0,0,.5)}
.texon-fb-zoom-slider::-webkit-slider-thumb:active{cursor:grabbing;transform:scale(1.15)}
.texon-fb-zoom-slider::-moz-range-thumb{width:14px;height:14px;background:#fff;border:0;border-radius:50%;cursor:grab;box-shadow:0 1px 3px rgba(0,0,0,.5)}
.texon-fb-zoom-slider:focus-visible{outline:2px solid #fff;outline-offset:3px}

@media (max-width:640px){
  .texon-fb-zoom-slider{display:none}
  .texon-fb-zoom-group{gap:2px;padding:2px}
}

/* Toast */
.texon-fb-toast{position:absolute;bottom:80px;left:50%;transform:translate(-50%,8px);background:rgba(0,0,0,.85);color:#fff;padding:8px 14px;border-radius:20px;font:13px/1 system-ui,sans-serif;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50}
.texon-fb-toast.on{opacity:1;transform:translate(-50%,0)}

/* Search */
.texon-fb-search{position:absolute;inset:0;background:rgba(0,0,0,.75);z-index:40;display:flex;flex-direction:column;padding:60px 20px 20px;box-sizing:border-box;opacity:0;pointer-events:none;transition:opacity .15s}
.texon-fb-search.on{opacity:1;pointer-events:auto}
.texon-fb-search-bar{display:flex;gap:8px;align-items:center;background:#fff;border-radius:30px;padding:6px 8px 6px 18px;box-shadow:0 8px 28px rgba(0,0,0,.35);max-width:560px;width:100%;margin:0 auto}
.texon-fb-search-bar input{flex:1;border:0;outline:0;font:16px/1.2 system-ui,sans-serif;padding:8px 0;background:transparent;color:#111}
.texon-fb-search-close{background:#eee;color:#111;width:32px;height:32px;border-radius:50%;border:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0;flex:0 0 auto}
.texon-fb-search-close:hover{background:#ddd}
.texon-fb-search-close svg{width:16px;height:16px;color:#111}
.texon-fb-search-results{margin:14px auto 0;max-width:560px;width:100%;flex:0 1 auto;max-height:calc(100% - 70px);overflow-y:auto;background:#fff;border-radius:8px;padding:6px}
.texon-fb-search-results:empty{display:none}
.texon-fb-search-result{display:block;width:100%;text-align:left;background:transparent;border:0;border-bottom:1px solid #eee;padding:10px 12px;cursor:pointer;font:13px/1.4 system-ui,sans-serif;color:#222}
.texon-fb-search-result:last-child{border-bottom:0}
.texon-fb-search-result:hover,.texon-fb-search-result:focus{background:#f4f8ff;outline:0}
.texon-fb-search-page{display:block;font-weight:700;color:#06f;font-size:12px;margin-bottom:2px}
.texon-fb-search-snippet{display:block;color:#333}
.texon-fb-search-snippet mark{background:#ffeb3b;color:#111;padding:0 2px;border-radius:2px}
.texon-fb-search-none{padding:20px;text-align:center;color:#888;font:14px/1.4 system-ui,sans-serif}

/* ===== Thumbnail strip ===== */
.texon-fb-thumbs{flex:0 0 auto;display:flex;gap:6px;overflow-x:auto;overflow-y:hidden;padding:6px 4px;width:100%;max-width:100%;scrollbar-width:thin}
.texon-fb-thumbs::-webkit-scrollbar{height:6px}
.texon-fb-thumbs::-webkit-scrollbar-thumb{background:#555;border-radius:3px}
.texon-fb-thumb{flex:0 0 auto;width:48px;height:64px;border:2px solid transparent;border-radius:3px;cursor:pointer;padding:0;background:#fff;overflow:hidden;position:relative;outline:none;transition:border-color .15s,transform .15s}
.texon-fb-thumb img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}
.texon-fb-thumb:hover{transform:translateY(-2px)}
.texon-fb-thumb[aria-current="true"]{border-color:#06f;box-shadow:0 0 0 1px #06f}
.texon-fb-thumb-num{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.6);color:#fff;font:10px/14px system-ui,sans-serif;text-align:center}

/* ===== Fullscreen ===== */
.texon-fb-inline:fullscreen,
.texon-fb-inline:-webkit-full-screen{width:100vw !important;height:100vh !important;max-height:none !important;border-radius:0;background:#000}
/* CSS-only fallback (iOS Safari/Chrome: Fullscreen API unavailable on non-video elements) */
.texon-fb-inline.texon-fb-is-fullscreen{position:fixed !important;inset:0 !important;top:0 !important;left:0 !important;right:0 !important;bottom:0 !important;width:100vw !important;width:100dvw !important;height:100vh !important;height:100dvh !important;max-height:none !important;border-radius:0;background:#000;z-index:2147483647 !important;margin:0 !important;padding:0 !important;transform:none !important;filter:none !important;contain:none !important;isolation:auto !important}
html.texon-fb-fs-lock,body.texon-fb-fs-lock{overflow:hidden !important;touch-action:none}

/* ===== Modal (trigger=button shortcode) ===== */
.texon-fb-modal{position:fixed !important;inset:0 !important;top:0 !important;left:0 !important;right:0 !important;bottom:0 !important;width:100vw !important;width:100dvw !important;height:100vh !important;height:100dvh !important;z-index:2147483647 !important;display:flex;align-items:center;justify-content:center;transform:none !important;filter:none !important;contain:none !important;isolation:auto !important;margin:0 !important}
.texon-fb-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.9)}
.texon-fb-modal-inner{position:relative;width:96vw;height:94vh;height:94dvh;background:#111;border-radius:8px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.texon-fb-modal .texon-fb-inline{width:100%;height:100%;border-radius:0}
.texon-fb-close{position:absolute;top:10px;right:10px;z-index:20;background:rgba(255,255,255,.9);border:0;border-radius:50%;width:38px;height:38px;font-size:22px;cursor:pointer;font-weight:700;line-height:1}
.texon-fb-close:hover{background:#fff}
body.texon-fb-open{overflow:hidden}
.texon-fb-open-btn{display:inline-block;background:#111;color:#fff;border:0;border-radius:4px;padding:10px 18px;font-weight:600;cursor:pointer;font-size:14px}
.texon-fb-open-btn:hover{background:#333}

/* ===== Responsive ===== */
@media (max-width:640px){
  .texon-fb-side{width:36px;height:56px;font-size:22px}
  .texon-fb-thumb{width:36px;height:48px}
  .texon-fb-viewer{padding:10px;gap:6px}
  /* Counter moves to the bottom of the stage so the toolbar can't hide it */
  .texon-fb-topbar{top:auto;bottom:6px;left:50%;transform:translateX(-50%);font-size:11px;padding:4px 10px}
}