*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4f7fc;color:#15263e;font:16px/1.5 system-ui,-apple-system,Segoe UI,Arial,sans-serif}header{height:72px;background:#082f6d;color:white;display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 1020px)/2));gap:12px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:#fff;font-size:20px;font-weight:800;line-height:1.15}.brand small{display:block;font-size:11px;font-weight:400;opacity:.8}.logo{font-size:27px}.tag{font-size:12px;background:#ffffff20;border-radius:20px;padding:6px 10px}main{max-width:1020px;margin:0 auto;padding:24px 18px 65px}.hero,.doc-head{margin:15px 0 26px}.eyebrow{font-size:12px;letter-spacing:1.5px;font-weight:800;color:#1764be}h1{font-size:clamp(24px,4vw,36px);line-height:1.2;margin:8px 0}p{color:#52657b}.catalog{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.doc-card{display:flex;align-items:center;gap:14px;padding:18px;background:white;border:1px solid #e1e9f4;border-radius:14px;text-decoration:none;color:inherit;box-shadow:0 3px 12px #183b6a08}.doc-card:hover{border-color:#4385d4}.doc-card strong{display:block;font-size:15px}.doc-card small,.audio-title small{display:block;color:#718299;font-size:12px;margin-top:5px}.file-icon{background:#e8f1ff;color:#1356a5;padding:9px 14px;border-radius:10px;font-size:25px}.arrow{margin-left:auto;font-size:25px;color:#5384be}.back{color:#1359aa;text-decoration:none;font-weight:600;font-size:14px}.reader,.audio{background:white;border:1px solid #e0e8f3;border-radius:16px;overflow:hidden;box-shadow:0 5px 25px #0e37600a}.toolbar{display:flex;align-items:center;justify-content:center;gap:14px;padding:12px;background:#eef3fa}.toolbar button,.audio-actions button,select{border:1px solid #cbd9ea;background:white;border-radius:8px;padding:8px 14px;color:#174574;font:inherit;cursor:pointer}.toolbar button{font-size:18px}.toolbar .secondary{font-size:13px}.page-wrap{background:#dce3ee;display:flex;justify-content:center;overflow:auto;max-height:76vh;padding:12px;touch-action:pan-x pan-y}.page-wrap img{display:block;width:auto;max-width:100%;height:auto;object-fit:contain;align-self:flex-start;box-shadow:0 2px 14px #243f5b35;user-select:none;-webkit-user-drag:none}.page-wrap.zoomed img{max-width:none;width:1100px}.audio{margin-top:18px;padding:20px}.audio-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.voice-icon{font-size:28px;color:#145bb5}.primary{background:#0b5fc0;color:white;border:0;border-radius:10px;padding:15px 20px;width:100%;font-size:17px;font-weight:750;cursor:pointer}.primary:hover{background:#064b9e}.audio-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px}.audio-actions label{margin-left:auto;font-size:13px;color:#4c607a}.audio-actions select{padding:8px}.audio-actions button:disabled{opacity:.4;cursor:not-allowed}#status{font-size:14px;font-weight:600;color:#17549c}.hint{font-size:12px;margin-bottom:0}footer{text-align:center;color:#8290a2;padding:25px;font-size:12px}@media(max-width:650px){.catalog{grid-template-columns:1fr}.tag{font-size:10px}.page-wrap{max-height:65vh;padding:5px}.toolbar{gap:9px}.audio{padding:16px}.audio-actions label{margin-left:0;width:100%}}
@media print{body{display:none!important}}
.login-card{max-width:470px;margin:45px auto;padding:28px;border:1px solid #dce5f0;border-radius:18px;background:white;box-shadow:0 8px 35px #102b4a10}.login-card h1{font-size:1.6rem;margin:12px 0}.login-card p{color:#617080;line-height:1.5}.login-card form{display:grid;gap:17px;margin-top:25px}.login-card label{display:grid;gap:7px;font-weight:600}.login-card input{font:inherit;padding:14px;border:1px solid #cbd5e1;border-radius:10px;width:100%;box-sizing:border-box}.login-card button{width:100%;padding:14px}.login-error{color:#b91c1c!important}.logout{text-align:right;margin:0 0 10px}.logout a{color:#27619b;font-size:13px}

/* Identidad corporativa SEPERSUR */
header{min-height:86px;height:auto;padding-top:10px;padding-bottom:10px}
.brand{gap:13px;min-width:0}
.brand-logo{display:flex;align-items:center;justify-content:center;background:#fff;border-radius:9px;padding:5px 8px;flex-shrink:0}
.brand-logo img{display:block;width:142px;max-width:27vw;height:auto;object-fit:contain}
.brand-name{font-size:clamp(14px,2.5vw,20px)}
.login-brand{display:flex;justify-content:center;margin-bottom:20px}
.login-brand img{display:block;width:min(240px,85%);height:auto;object-fit:contain}
footer{display:flex;flex-direction:column;align-items:center;gap:9px}
.footer-logo{display:block;width:130px;max-width:60%;height:auto}
@media(max-width:480px){header{gap:6px;padding-left:10px;padding-right:10px}.brand{gap:7px}.brand-logo{padding:4px}.brand-logo img{width:100px;max-width:28vw}.brand-name{font-size:13px}.brand-name small{font-size:10px}.tag{font-size:9px;padding:5px 7px;white-space:nowrap}}

/* Visor mejorado para móvil y pantalla completa */
.toolbar{flex-wrap:wrap;gap:8px;position:relative;z-index:2}.toolbar button{min-height:42px;touch-action:manipulation}.toolbar #zoom-label{min-width:48px;text-align:center;font-size:13px;font-variant-numeric:tabular-nums}.page-wrap{display:block;text-align:center;overscroll-behavior:contain;overflow:auto;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y;max-height:72vh}.page-wrap img{margin:0 auto;max-width:100%;height:auto}.page-wrap.magnified{text-align:left}.page-wrap.magnified img{margin:0;max-width:none}.viewer-hint{font-size:12px;text-align:center;margin:7px 10px 10px;color:#61758c}.viewer-fullscreen{position:fixed!important;inset:0;z-index:9999;border-radius:0!important;display:flex;flex-direction:column;background:#eef3fa}.viewer-fullscreen .toolbar{flex:0 0 auto;padding:8px 4px}.viewer-fullscreen .page-wrap{flex:1;min-height:0;max-height:none;height:100%;padding:8px}.viewer-fullscreen .viewer-hint{margin:4px}.viewer-open{overflow:hidden}@media(max-width:650px){.toolbar{gap:5px;padding:9px 5px}.toolbar button{padding:8px 10px;font-size:15px}.toolbar .secondary{font-size:12px}.toolbar #fullscreen{flex-basis:100%}.page-wrap{max-height:70vh}}