:root{--azul:#04284d;--azul2:#061a33;--oro:#b98a2f;--bg:#f4f7fb;--line:#dce6f1;--text:#10233f;--muted:#66758a;--shadow:0 18px 45px rgba(6,26,51,.10)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(135deg,#eef3f9,#fff);color:var(--text)}.layout{display:flex;min-height:100vh}.side{width:285px;background:linear-gradient(180deg,var(--azul2),var(--azul));color:#fff;padding:24px 18px;position:fixed;height:100vh;overflow:auto;box-shadow:10px 0 30px rgba(6,26,51,.16)}.side h2{margin:0 0 8px;font-size:28px;letter-spacing:.04em}.side p{margin:0 0 18px;color:#dce8f5;font-size:13px}.side a{display:flex;align-items:center;gap:10px;color:#edf5ff;text-decoration:none;padding:12px 14px;border-radius:14px;margin:5px 0;font-weight:750}.side a:hover,.side a.active{background:rgba(255,255,255,.12);box-shadow:inset 4px 0 0 var(--oro)}.main{margin-left:285px;padding:30px;width:calc(100% - 285px)}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;background:white;border:1px solid var(--line);border-radius:22px;padding:18px 20px;box-shadow:0 8px 24px rgba(6,26,51,.07)}.topbar h1{margin:0;color:var(--azul);font-size:30px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;margin-bottom:22px}.stat{background:white;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 10px 26px rgba(6,26,51,.07);position:relative;overflow:hidden}.stat:after{content:"";position:absolute;right:-35px;top:-35px;width:100px;height:100px;border-radius:50%;background:rgba(185,138,47,.12)}.stat b{font-size:35px;color:var(--azul)}.stat p{margin:8px 0 0;color:var(--muted);font-weight:700}.box{background:white;border:1px solid var(--line);border-radius:22px;padding:24px;margin-bottom:22px;box-shadow:0 10px 26px rgba(6,26,51,.07)}.box h2{margin-top:0;color:var(--azul)}table{width:100%;border-collapse:separate;border-spacing:0;background:white;overflow:hidden;border-radius:16px}th,td{padding:13px;border-bottom:1px solid #e8eef5;text-align:left;vertical-align:middle}th{background:#f5f8fc;color:#38506b;font-size:12px;text-transform:uppercase;letter-spacing:.06em}tr:hover td{background:#fbfdff}label{font-weight:800;color:#314966;font-size:13px}input,textarea,select{width:100%;padding:12px 13px;border:1px solid #cdd9e8;border-radius:12px;margin:7px 0 14px;background:#fff;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--azul);box-shadow:0 0 0 4px rgba(4,40,77,.08)}textarea{min-height:140px}.btn{border:0;background:linear-gradient(135deg,var(--azul),#0b3f73);color:white;padding:10px 15px;border-radius:999px;text-decoration:none;display:inline-flex;align-items:center;gap:7px;cursor:pointer;margin:3px;font-weight:850}.btn.gold{background:linear-gradient(135deg,var(--oro),#d4ad60)}.btn.red{background:#b3261e}.btn.gray{background:#667085}.actions{white-space:nowrap}.thumb{width:84px;height:64px;object-fit:cover;border-radius:12px;border:1px solid #e5edf6}.loginbox{max-width:430px;margin:80px auto;background:#fff;padding:34px;border-radius:24px;box-shadow:var(--shadow);border:1px solid var(--line)}.loginbox h2{color:var(--azul);margin-top:0}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.notice{background:#fff8e6;border-left:5px solid var(--oro);padding:13px;border-radius:12px}.admin-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.quick-actions{display:flex;flex-wrap:wrap;gap:8px}.panel-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}@media(max-width:900px){.side{position:relative;width:100%;height:auto}.layout{display:block}.main{margin:0;width:100%;padding:18px}.grid2,.admin-hero{grid-template-columns:1fr}.topbar{display:block}.topbar .btn{margin-top:10px}}

/* Login institucional SIBUMAR */
.login-page{
  min-height:100vh;
  background:
    radial-gradient(circle at 15% 10%,rgba(185,138,47,.16),transparent 28%),
    radial-gradient(circle at 85% 20%,rgba(4,40,77,.14),transparent 30%),
    linear-gradient(135deg,#f4f7fb 0%,#ffffff 45%,#edf3f9 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:34px;
}
.login-shell{
  width:min(1120px,100%);
  min-height:610px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  background:#fff;
  border:1px solid #dce6f1;
  border-radius:34px;
  overflow:hidden;
  box-shadow:0 28px 80px rgba(6,26,51,.18);
}
.login-brand{
  position:relative;
  background:url('../img/biblioteca-puerto-angel.jpg') center/cover no-repeat;
  color:#fff;
  min-height:610px;
}
.login-brand-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(4,23,45,.92),rgba(4,40,77,.72) 50%,rgba(4,40,77,.22));
}
.login-brand-content{
  position:relative;
  z-index:2;
  height:100%;
  padding:54px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.login-logo-main{
  width:128px;
  height:128px;
  object-fit:contain;
  background:rgba(255,255,255,.96);
  border-radius:28px;
  padding:12px;
  margin-bottom:26px;
  box-shadow:0 18px 45px rgba(0,0,0,.18);
}
.login-kicker{
  display:inline-flex;
  width:max-content;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(185,138,47,.96);
  color:#fff;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size:12px;
  margin-bottom:16px;
}
.login-brand h1{
  font-size:44px;
  line-height:1.05;
  max-width:620px;
  margin:0 0 18px;
}
.login-brand p{
  font-size:18px;
  line-height:1.7;
  max-width:620px;
  margin:0;
  color:#e9f2fb;
}
.login-features{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.login-features span{
  border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.12);
  padding:10px 14px;
  border-radius:999px;
  font-weight:800;
  backdrop-filter:blur(8px);
}
.login-card{
  padding:54px 46px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  background:linear-gradient(180deg,#fff,#f8fbff);
}
.login-card-header{
  display:flex;
  align-items:center;
  gap:16px;
  margin-bottom:30px;
}
.login-logo-small{
  width:76px;
  height:76px;
  object-fit:contain;
  border-radius:20px;
  border:1px solid #dce6f1;
  background:#fff;
  padding:8px;
}
.login-card h2{
  margin:0;
  color:#04284d;
  font-size:30px;
}
.login-card p{
  margin:6px 0 0;
  color:#66758a;
}
.login-form label{
  display:block;
  margin-top:4px;
}
.login-form input{
  height:48px;
  font-size:15px;
  background:#fff;
}
.login-btn{
  width:100%;
  justify-content:center;
  min-height:48px;
  margin-top:4px;
  font-size:15px;
}
.login-help{
  margin-top:24px;
  background:#f1f6fc;
  border:1px solid #dce6f1;
  border-radius:18px;
  padding:16px;
  color:#314966;
  line-height:1.7;
}
@media(max-width:900px){
  .login-page{padding:18px;align-items:flex-start}
  .login-shell{grid-template-columns:1fr;border-radius:24px}
  .login-brand{min-height:auto}
  .login-brand-content{padding:34px}
  .login-brand h1{font-size:34px}
  .login-card{padding:34px 24px}
}

/* Panel administrativo premium */
.admin-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding:12px;border:1px solid rgba(255,255,255,.16);border-radius:20px;background:rgba(255,255,255,.08)}
.admin-brand img{width:58px;height:58px;object-fit:contain;background:#fff;border-radius:16px;padding:6px}.admin-brand h2{font-size:24px!important;margin:0!important}.admin-brand p{margin:3px 0 0!important;font-size:12px!important;color:#dce8f5!important}.admin-user{background:rgba(185,138,47,.18);border:1px solid rgba(215,180,106,.26);border-radius:14px;padding:10px 12px!important;margin-bottom:16px!important}
.topbar{background:linear-gradient(135deg,#fff,#f7faff);position:relative;overflow:hidden}.topbar:after{content:"";position:absolute;right:-40px;top:-60px;width:160px;height:160px;border-radius:50%;background:rgba(185,138,47,.12)}
.admin-hero .box:first-child{background:linear-gradient(135deg,#061a33,#073b6a);color:#fff;position:relative;overflow:hidden}.admin-hero .box:first-child:after{content:"";position:absolute;right:-65px;bottom:-75px;width:210px;height:210px;border-radius:50%;background:rgba(215,180,106,.18)}.admin-hero .box:first-child h2{color:#fff}.admin-hero .box:first-child .notice{background:rgba(255,255,255,.10);color:#e9f2fb;border-left-color:#d7b46a;position:relative}.cards.enhanced .stat{min-height:150px}.stat span{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:15px;background:#eef4fb;margin-bottom:10px;font-size:22px}.insights-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px;margin-bottom:22px}.insight{background:white;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 10px 26px rgba(6,26,51,.07)}.insight.big{background:linear-gradient(180deg,#fff,#f7faff)}.insight h2{margin:0 0 16px;color:var(--azul)}.meter{display:flex;align-items:center;gap:16px;border-top:1px solid #e8eef5;padding:16px 0}.meter b{font-size:34px;color:var(--oro);min-width:80px}.meter span{color:#52657d;font-weight:750}.insight ol{margin:0;padding-left:22px;color:#52657d;line-height:2;font-weight:750}
@media(max-width:900px){.insights-grid{grid-template-columns:1fr}}