*{box-sizing:border-box}:root{--navy:#071d31;--blue:#0d3b66;--orange:#f27a1a;--paper:#fff;--muted:#94a5b6;--bar:#071d31}html,body{margin:0;width:100%;height:100%;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:#06131f;color:#fff;overflow:hidden}body{display:grid;grid-template-rows:68px minmax(0,1fr) 74px}.reader-topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 18px;background:linear-gradient(90deg,#071d31,#0d2d4a);border-bottom:1px solid #ffffff18;z-index:30}.reader-brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;min-width:0}.reader-brand .crd{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--orange);display:grid;place-items:center;font-weight:900;font-size:.8rem}.reader-brand span:last-child{display:flex;flex-direction:column;min-width:0}.reader-brand b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:min(47vw,720px)}.reader-brand small{color:#9eb1c2}.reader-actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:nowrap}.tool{width:40px;height:40px;flex:0 0 40px;border-radius:11px;border:1px solid #ffffff26;background:#ffffff0c;color:#fff;display:grid;place-items:center;text-decoration:none;cursor:pointer;font-size:1.02rem;font-weight:800;line-height:1}.tool-text{font-size:.72rem}.tool:hover,.tool.active{background:#ffffff1c;border-color:#ffffff55}.tool:focus-visible,.navbtn:focus-visible,.modal-primary:focus-visible,input:focus-visible{outline:3px solid #ffb26e;outline-offset:2px}.zoom-label{min-width:49px;text-align:center;font-size:.77rem;font-weight:800;color:#cbd8e4;font-variant-numeric:tabular-nums}.protected-download{border-color:#f0ad4e88;color:#ffd28e}.reader-stage{position:relative;display:flex;align-items:flex-start;justify-content:flex-start;overflow:auto;overscroll-behavior:contain;background:radial-gradient(circle at 50% 35%,#214d70 0,#0d2d4a 32%,#06131f 76%);padding:18px;scrollbar-color:#4e728f #071d31;scrollbar-width:thin}.reader-stage:after{content:"";position:fixed;left:8%;right:8%;bottom:8%;height:10%;background:#0007;filter:blur(38px);border-radius:50%;pointer-events:none}.book-viewport{position:relative;flex:0 0 auto;margin:auto;z-index:2;transition:width .16s ease,height .16s ease}.flip-book{opacity:0;transition:opacity .3s,transform .15s ease;z-index:2;position:absolute;left:0;top:0}.flip-book.ready{opacity:1}.page{background:#fff;overflow:hidden;position:relative;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.page canvas{display:block;width:100%;height:100%;object-fit:contain;background:#fff;user-select:none;-webkit-user-select:none;pointer-events:none}.watermark-layer{position:absolute;inset:0;pointer-events:none;z-index:5;overflow:hidden;user-select:none}.watermark-main{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-28deg);width:145%;text-align:center;font-size:clamp(13px,2.2vw,25px);font-weight:800;letter-spacing:.08em;color:#153954;opacity:.055;white-space:nowrap;text-transform:uppercase}.watermark-code{position:absolute;right:4%;bottom:2.2%;font-size:8px;font-weight:700;letter-spacing:.06em;color:#153954;opacity:.14}.protection-alto,.protection-protegido{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.loading-card{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:10;display:flex;flex-direction:column;align-items:center;gap:9px;width:min(380px,86vw);padding:30px;border-radius:22px;background:#081c2bd9;border:1px solid #ffffff1d;box-shadow:0 24px 80px #0008;backdrop-filter:blur(14px)}.loading-card.hidden{display:none}.loading-card span,.loading-card small{color:#a7b8c8}.spinner{width:38px;height:38px;border:4px solid #ffffff26;border-top-color:var(--orange);border-radius:50%;animation:spin .85s linear infinite}.progress-track{height:7px;width:100%;background:#ffffff14;border-radius:99px;overflow:hidden}.progress-track div{height:100%;width:0;background:linear-gradient(90deg,var(--orange),#ffb26e);transition:width .2s}@keyframes spin{to{transform:rotate(360deg)}}.reader-controls{display:flex;align-items:center;justify-content:center;gap:18px;background:#071d31;border-top:1px solid #ffffff14;z-index:30;padding:10px}.navbtn{border:0;border-radius:999px;padding:12px 20px;background:#123b5b;color:#fff;font-weight:700;cursor:pointer}.navbtn:hover{background:#185176}.page-status{min-width:90px;text-align:center;color:#cbd8e4;font-variant-numeric:tabular-nums}.security-toast{position:fixed;left:50%;bottom:92px;transform:translate(-50%,20px);z-index:80;padding:10px 16px;border-radius:999px;background:#06131fe8;border:1px solid #ffffff29;color:#e9f1f7;font-size:.82rem;box-shadow:0 14px 38px #0008;opacity:0;visibility:hidden;transition:.2s;pointer-events:none}.security-toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}.crd-modal{position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:18px}.crd-modal.open{display:grid}.crd-modal-backdrop{position:absolute;inset:0;background:#020a12c9;backdrop-filter:blur(5px)}.crd-modal-card{position:relative;z-index:1;width:min(430px,94vw);border-radius:22px;padding:28px;background:#fff;color:#12283b;box-shadow:0 30px 90px #000b}.modal-close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:1.8rem;color:#5f6f7e;cursor:pointer}.modal-icon{font-size:2rem}.crd-modal-card h2{margin:7px 0 5px;font-size:1.3rem}.crd-modal-card p{margin:0 0 18px;color:#66788a;font-size:.92rem}.crd-modal-card label{display:block;font-weight:700;font-size:.88rem;margin-bottom:6px}.crd-modal-card input{width:100%;height:46px;border:1px solid #cbd5df;border-radius:11px;padding:0 12px;font-size:1rem}.modal-primary{width:100%;height:46px;margin-top:12px;border:0;border-radius:11px;background:#0d3b66;color:#fff;font-weight:800;cursor:pointer}.modal-primary:disabled{opacity:.6;cursor:wait}.download-message{min-height:20px;margin-top:8px;font-size:.82rem}.download-message.error{color:#b42318}.download-message.success{color:#067647}@media(max-width:980px){.reader-brand b{max-width:38vw}.reader-actions{gap:5px}.tool{width:38px;height:38px;flex-basis:38px}.zoom-label{min-width:43px}.reader-stage{padding:12px}}@media(max-width:760px){body{grid-template-rows:auto minmax(0,1fr) 62px}.reader-topbar{padding:7px 9px;align-items:flex-start}.reader-brand .crd{width:36px;height:36px;flex-basis:36px;border-radius:10px}.reader-brand b{max-width:42vw;font-size:.78rem}.reader-brand small{font-size:.65rem}.reader-actions{max-width:54vw;overflow-x:auto;justify-content:flex-start;padding-bottom:3px;scrollbar-width:none}.reader-actions::-webkit-scrollbar{display:none}.tool{width:35px;height:35px;flex-basis:35px;border-radius:9px;font-size:.92rem}.tool-text{font-size:.65rem}.zoom-label{min-width:40px;font-size:.69rem}.reader-stage{padding:8px}.reader-controls{gap:8px;padding:8px}.navbtn{padding:9px 13px;font-size:.82rem}.page-status{min-width:62px;font-size:.85rem}.watermark-main{font-size:12px;opacity:.045}.security-toast{bottom:76px;max-width:90vw;text-align:center;border-radius:13px}}@media(max-width:430px){.reader-brand small{display:none}.reader-brand b{max-width:32vw}.reader-actions{max-width:62vw}.zoom-label{display:none}.reader-stage{padding:5px}.navbtn{padding:9px 11px}.watermark-code{font-size:6px}}@media(orientation:landscape) and (max-height:520px){body{grid-template-rows:50px minmax(0,1fr) 50px}.reader-topbar{padding:5px 9px}.reader-brand .crd{width:34px;height:34px;flex-basis:34px}.tool{width:33px;height:33px;flex-basis:33px}.reader-controls{padding:5px}.navbtn{padding:7px 12px}.security-toast{bottom:58px}}

/* CRD v1.2 - iconos de lupa y mejor legibilidad de herramientas */
.zoom-tool svg{width:22px;height:22px;display:block;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.zoom-tool:hover svg{transform:scale(1.04)}
.zoom-tool svg{transition:transform .15s ease}
#resetZoomBtn{font-size:.63rem;letter-spacing:-.02em}
@media(max-width:760px){.zoom-tool svg{width:20px;height:20px}}