:root{--navy:#061f3d;--blue:#0aaef3;--yellow:#ffcc00;--white:#fff}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{overflow:hidden;background:#061f3d;color:#fff;font-family:Arial,Helvetica,sans-serif}
.presentation{height:142px;padding:10px clamp(10px,2vw,28px) 0;background:linear-gradient(180deg,#02172d 0,#063865 72%,#edf8ff 72%);position:relative;z-index:4}
.cc-head{height:103px;max-width:1460px;margin:auto;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:22px;padding:11px clamp(14px,2vw,28px);background:linear-gradient(120deg,#06254a,#075c94);border:1px solid rgba(255,255,255,.32);border-radius:19px;box-shadow:0 13px 32px rgba(0,21,48,.43),inset 0 1px rgba(255,255,255,.16);position:relative;overflow:hidden}
.cc-head::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0,rgba(21,185,255,.23),transparent 48%);pointer-events:none}
.back,.home{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 14px;border-radius:999px;color:#fff;text-decoration:none;font-weight:900;white-space:nowrap}
.back{border:2px solid rgba(255,255,255,.8);background:rgba(2,22,44,.28)}
.back span{font-size:27px;line-height:0;margin-right:6px}
.home{background:var(--yellow);color:var(--navy);font-size:11px;letter-spacing:.35px;box-shadow:0 7px 17px rgba(0,0,0,.22)}
.title{position:relative;z-index:1;min-width:0;text-align:center}
.presenter{display:block;color:var(--yellow);font-size:clamp(20px,2.1vw,31px);font-weight:1000;line-height:1;letter-spacing:1.5px;text-shadow:0 3px 13px rgba(0,0,0,.35)}
.headline{display:flex;align-items:center;justify-content:center;gap:9px;margin-top:7px}
.title strong{font-size:clamp(14px,1.45vw,21px);letter-spacing:.65px}
.title small{display:block;margin-top:5px;color:#d8f2ff;font-size:10px;font-weight:700}
.status-dot{width:10px;height:10px;flex:0 0 10px;border-radius:50%;background:#28ff8d;box-shadow:0 0 0 0 rgba(40,255,141,.7);animation:status 1.3s ease-out infinite}
.source-bar{height:32px;max-width:1080px;margin:-1px auto 0;padding:0 18px;display:flex;justify-content:center;align-items:center;gap:12px;background:#fff;color:#173f61;border-radius:0 0 14px 14px;box-shadow:0 8px 18px rgba(0,36,72,.2);font-size:10px;position:relative;z-index:5}
.source-bar strong{color:#064f85;letter-spacing:.35px}
.source-bar a{color:#006cad;font-weight:900;white-space:nowrap}
.viewer{height:calc(100dvh - 142px);position:relative;background:#f7f7f7}
iframe{display:block;width:100%;height:100%;border:0;background:#f7f7f7}
.loading{position:absolute;z-index:2;inset:0;display:flex;align-items:center;justify-content:center;gap:13px;background:#f7f7f7;color:#183b58;transition:opacity .35s,visibility .35s}
.loading span{width:24px;height:24px;border:4px solid #c8e9f8;border-top-color:#087bb9;border-radius:50%;animation:spin .8s linear infinite}
.loading.done{opacity:0;visibility:hidden;pointer-events:none}
.loading.slow strong::after{content:" Si demora, usá ‘Abrir fuente original’.";font-weight:400}
.fallback{padding:30px;text-align:center;color:#173f61}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes status{to{box-shadow:0 0 0 9px rgba(40,255,141,0)}}
@media(max-width:680px){.presentation{height:132px;padding:7px 7px 0}.cc-head{height:93px;grid-template-columns:auto minmax(0,1fr);gap:9px;padding:9px 10px;border-radius:15px}.home{display:none}.title{text-align:left}.presenter{font-size:17px;letter-spacing:.7px}.headline{justify-content:flex-start;gap:6px;margin-top:5px}.title strong{font-size:11px;line-height:1.1}.title small{font-size:8px;line-height:1.2}.back{padding:7px 9px;font-size:10px;min-height:38px}.source-bar{height:32px;margin-top:0;padding:0 10px;justify-content:space-between;font-size:8px;line-height:1.15}.source-bar span{max-width:73%}.source-bar a{font-size:8px}.viewer{height:calc(100dvh - 132px)}}
@media(max-width:390px){.title small{display:none}.presenter{font-size:15px}.title strong{font-size:9px}.source-bar span{max-width:68%}}
@media(prefers-reduced-motion:reduce){.status-dot,.loading span{animation:none}}