:root{--fet-bg:#eef5ec;--fet-accent:#003d72;--fet-text:#293241;--fet-toolbar-bg:#003d72;color-scheme:light}
*{box-sizing:border-box}html,body{margin:0;width:100%;min-height:100%;background:var(--fet-bg);color:var(--fet-text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{overflow-x:hidden}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}button:focus-visible,a:focus-visible{outline:2px solid #eb6209;outline-offset:3px}[hidden]{display:none!important}
.fet-viewer{width:100vw;min-height:100vh;min-height:100dvh;height:100vh;height:100dvh;display:flex;flex-direction:column;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);background:radial-gradient(ellipse at 50% 45%,#ffffff 0%,var(--fet-bg) 72%)}
.fet-toolbar{flex:none;min-height:52px;display:flex;align-items:center;justify-content:space-between;padding:6px 22px;background:var(--fet-toolbar-bg);color:#ffffff;gap:16px}.fet-brand{display:flex;align-items:center;flex:1;min-width:0;font-size:16px;font-weight:700;letter-spacing:.025em}.fet-brand span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fet-logo{display:block;max-height:40px;width:auto;max-width:min(180px,100%);object-fit:contain;object-position:left center}.fet-actions{display:flex;align-items:center;flex:none;gap:5px}.fet-icon{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:50%;background:transparent;cursor:pointer;flex:none;transition:background-color .18s ease,color .18s ease}.fet-icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.fet-icon:hover{background:#eb62091a;color:var(--fet-accent)}.fet-icon:disabled{opacity:.28;cursor:default}
.fet-stage{flex:1;min-height:0;position:relative;margin:10px 18px 0;display:flex;align-items:center;justify-content:center}.fet-book,.fet-book.stf__parent{width:100%;height:100%;min-width:0!important;min-height:0!important;touch-action:pan-y pinch-zoom;opacity:0;transition:opacity .2s}.fet-book.is-ready{opacity:1}.fet-book>.stf__wrapper{height:100%;width:100%;padding-bottom:0!important}.fet-page{background:#ffffff;overflow:hidden;position:relative}.fet-page img{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none;user-select:none;-webkit-user-drag:none}.fet-page-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#596156;font-size:13px}.fet-page img:not([src]){visibility:hidden}.fet-page.is-rendered .fet-page-placeholder{display:none}
.fet-navigation{display:flex;justify-content:center;align-items:center;gap:18px;flex:none;padding:4px 16px}.fet-counter{font-variant-numeric:tabular-nums;min-width:90px;text-align:center;font-size:13px;letter-spacing:.07em}.fet-links{display:flex;align-items:center;gap:3px;flex:none}.fet-social-fill{fill:currentColor;stroke:none}.fet-status{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;z-index:5;font-size:15px;gap:8px}.fet-status p{max-width:440px;line-height:1.6}.fet-spinner{width:26px;height:26px;border:2px solid #003d7226;border-top-color:var(--fet-accent);border-radius:50%;animation:fet-spin .8s linear infinite}.fet-text-button{display:inline-block;border:1px solid #003d7266;border-radius:6px;padding:10px 16px;color:var(--fet-accent)}.fet-noscript{text-align:center;padding:12px}.fet-noscript a{text-decoration:underline}.fet-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@keyframes fet-spin{to{transform:rotate(360deg)}}@media(max-width:767px){.fet-toolbar{padding:3px 8px;min-height:46px;gap:8px}.fet-actions{gap:2px}.fet-links{gap:1px}.fet-toolbar .fet-icon{width:32px;height:36px}.fet-toolbar .fet-icon svg{width:19px;height:19px}.fet-brand{font-size:14px}.fet-logo{max-height:34px;max-width:min(140px,100%)}.fet-stage{margin:6px 4px 0}.fet-navigation{justify-content:space-between;padding:2px 16px}.fet-counter{font-size:12px}.fet-icon{width:40px;height:40px}}@media(max-height:440px){.fet-toolbar{min-height:36px;padding-top:0;padding-bottom:0}.fet-logo{max-height:28px}.fet-stage{margin-top:3px}.fet-navigation{padding:0}.fet-navigation .fet-icon{height:32px}}@media(prefers-reduced-motion:reduce){.fet-book,.fet-icon{transition:none}.fet-spinner{animation-duration:1.8s}}


/* Official reversed logo and accessible controls on the institutional blue bar. */
.fet-toolbar .fet-icon:hover{background:#ffffff1f;color:#ffffff}.fet-toolbar a:focus-visible,.fet-toolbar button:focus-visible{outline-color:#ffffff}

/* Persistent contact action occupies its own space and never overlays PDF pages. */
.fet-bottom-bar{flex:none;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:8px;padding:4px 18px 8px}
.fet-bottom-bar .fet-navigation{grid-column:2;padding:0}
.fet-whatsapp-cta{grid-column:3;justify-self:end;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;max-width:100%;padding:10px 16px;border:1px solid #0b6335;border-radius:24px;background:#087f3f;color:#ffffff;font-size:14px;font-weight:700;line-height:1.3;text-align:center;box-shadow:0 3px 10px #075e5426;transition:background-color .18s ease}
.fet-whatsapp-cta svg{flex:none;width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.fet-whatsapp-cta:hover{background:#096b37}.fet-whatsapp-cta:focus-visible{outline:3px solid #003d72;outline-offset:3px}
@media(max-width:1023px){.fet-bottom-bar{display:flex;flex-direction:column;gap:2px;padding:0 12px 8px}.fet-bottom-bar .fet-navigation{width:100%;justify-content:space-between}.fet-whatsapp-cta{width:100%;max-width:420px;flex-shrink:0}}
@media(min-width:768px) and (max-width:1023px) and (max-height:440px){.fet-bottom-bar{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:3px 16px 6px}.fet-bottom-bar .fet-navigation{grid-column:1;justify-content:center}.fet-whatsapp-cta{grid-column:2;min-height:40px;padding:7px 12px}}
@media(prefers-reduced-motion:reduce){.fet-whatsapp-cta{transition:none}}