:root{
  --navy:#061b36;
  --navy-2:#0b2b50;
  --navy-3:#123d6a;
  --blue:#0869e8;
  --blue-2:#0b7cff;
  --bg:#f3f6fb;
  --card:#ffffff;
  --text:#061733;
  --muted:#355070;
  --line:#dce5f2;
  --soft:#f7faff;
  --green:#16a34a;
  --orange:#f97316;
  --red:#dc2626;
  --radius:16px;
  --shadow:0 12px 28px rgba(6,27,54,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",Arial,Calibri,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.45;
}
a{color:inherit}
.app-shell{min-height:100vh;display:flex;background:var(--bg)}
.sidebar{
  width:280px;
  min-width:280px;
  background:linear-gradient(180deg,#09213e 0%,#0b2d52 52%,#061b36 100%);
  color:#fff;
  display:flex;
  flex-direction:column;
  box-shadow:8px 0 24px rgba(6,27,54,.18);
  z-index:10;
}
.sidebar-logo-card{
  height:176px;
  margin:8px 8px 10px;
  border-radius:12px;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.65);
}
.sidebar-logo{
  width:220px!important;
  height:140px!important;
  max-width:92%!important;
  object-fit:contain!important;
  display:block;
}
.sidebar-menu{display:flex;flex-direction:column;padding:8px;gap:0}
.menu-link{
  height:56px;
  display:flex;
  align-items:center;
  gap:13px;
  padding:0 18px;
  color:#f8fbff;
  text-decoration:none;
  font-weight:700;
  border-radius:8px;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:.18s ease;
}
.menu-link:hover,.menu-link.active{
  background:linear-gradient(135deg,var(--blue),#0658ca);
  color:#fff;
  box-shadow:0 10px 22px rgba(8,105,232,.25);
  transform:translateX(2px);
}
.menu-icon{width:22px;text-align:center;font-size:18px;display:inline-block;filter:drop-shadow(0 1px 1px rgba(0,0,0,.15))}
.sidebar-footer{margin-top:auto;padding:22px 24px;font-size:13px;color:#dbeafe;background:rgba(0,0,0,.12)}
.sidebar-footer small{display:block;margin-top:3px;color:#eef6ff}
.main-area{flex:1;min-width:0;display:flex;flex-direction:column}
.top-header{
  height:168px;
  background:#fff;
  border-bottom:1px solid var(--line);
  border-radius:0 0 0 0;
  display:flex;
  align-items:center;
  gap:34px;
  padding:0 32px;
  box-shadow:0 4px 16px rgba(6,27,54,.04);
  position:relative;
  z-index:5;
}
.system-title{padding-right:30px;border-right:2px solid var(--line);display:flex;align-items:center;gap:18px;min-width:420px}
.system-title h1{margin:0;font-size:31px;line-height:1.1;letter-spacing:-.8px;color:#061733;font-weight:900;text-transform:uppercase}
.system-title p{margin:8px 0 0;color:#1d3760;font-size:17px}
.header-institution-logo{
  width:100px!important;
  height:100px!important;
  min-width:100px!important;
  max-width:100px!important;
  min-height:100px!important;
  max-height:100px!important;
  object-fit:contain!important;
  border-radius:14px;
  background:#fff;
  border:1px solid var(--line);
  padding:6px;
}

.institution-box{display:flex;align-items:center;gap:16px;margin-right:auto;color:#101827}
.institution-icon{font-size:44px;line-height:1}
.institution-box strong{display:block;font-size:16px;margin-bottom:5px}.institution-box span{display:block;font-size:16px}
.account-menu{position:relative;align-self:flex-start;margin-top:30px;z-index:9999}
.account-button{
  min-width:210px;
  height:62px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  font-weight:800;
  font-size:16px;
  cursor:pointer;
  box-shadow:0 8px 20px rgba(6,27,54,.05);
}
.account-avatar{font-size:24px}.chevron{font-size:18px;margin-left:4px}
.account-dropdown{
  position:absolute;
  top:70px;
  right:0;
  width:250px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow:0 14px 28px rgba(6,27,54,.13);
  overflow:hidden;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  pointer-events:none;
  z-index:10000;
  transition:opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.account-menu.open .account-dropdown{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.account-menu.open .chevron{transform:rotate(180deg)}
.account-dropdown a{display:flex;align-items:center;gap:12px;padding:17px 20px;text-decoration:none;color:#111827;font-weight:500;border-bottom:1px solid #eef2f7}.account-dropdown a:last-child{border-bottom:0}.account-dropdown a:hover{background:#f4f8ff;color:var(--blue)}
.content-area{flex:1;padding:32px 38px 28px;background:var(--bg)}
.app-footer{height:78px;background:linear-gradient(90deg,#061b36,#082a4d);color:#f8fbff;display:flex;align-items:center;justify-content:center;gap:22px;font-size:15px;margin-top:auto}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:24px}
.card h1,.card h2,.card h3{color:#061733;margin-top:0}.card h1{font-size:28px;letter-spacing:-.4px}.card h2{font-size:24px}.card h3{font-size:21px}
.course-title{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.small{font-size:14px;color:#355070}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-bottom:14px}
label{display:block;font-weight:800;font-size:13px;color:#102748;margin-bottom:6px}input,select,textarea{width:100%;padding:12px 13px;border:1px solid #cfd9e8;border-radius:10px;background:#fff;color:var(--text);outline:none;font:inherit;transition:.2s}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(8,105,232,.12)}
button,.btn{border:0;background:linear-gradient(135deg,var(--blue),#0759c6);color:#fff;padding:11px 16px;border-radius:8px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;box-shadow:0 8px 18px rgba(8,105,232,.22);transition:.18s}button:hover,.btn:hover{transform:translateY(-1px);filter:brightness(1.02)}.btn.secondary{background:#64748b}.btn.danger{background:var(--red)}.btn.success{background:linear-gradient(135deg,#16a34a,#15803d)}
.msg{padding:13px 15px;border-radius:10px;background:#dcfce7;color:#166534;margin-bottom:14px;border:1px solid #bbf7d0;font-weight:700}.warn{background:#fff7d6;color:#854d0e;border-color:#fde68a}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}table{width:100%;border-collapse:collapse;background:#fff}th,td{border-bottom:1px solid #e6edf7;padding:13px 14px;text-align:left;vertical-align:top}th{background:#f6f9fd;color:#09213e;font-weight:800}tr:hover td{background:#f8fbff}.schedule td{min-width:155px;height:82px}.schedule .receso{background:#fff3cd!important;text-align:center;font-weight:900;color:#92400e}.classbox{background:#eaf4ff;border-left:5px solid var(--blue);padding:9px;border-radius:8px}.empty{color:#94a3b8;text-align:center}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.tab-btn{background:#e9eff8;color:#0f172a;box-shadow:none;border-radius:8px}.tab-btn.active{background:linear-gradient(135deg,var(--blue),#0759c6);color:#fff}.tab-panel{display:none}.tab-panel.active{display:block}.badge{background:#dbeafe;color:#1d4ed8;border-radius:999px;padding:6px 11px;font-weight:900}.pill{display:inline-block;background:#e8f0fb;color:#21446f;padding:5px 9px;border-radius:999px;margin:2px;font-size:12px;font-weight:800}.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:8px}.checkbox-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:9px}.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top,#dbeafe 0,#f8fbff 45%,#eef4fb 100%);padding:20px}.login-card{width:100%;max-width:430px;background:#fff;border-radius:22px;padding:26px;box-shadow:0 25px 70px rgba(15,23,42,.16);border:1px solid #dbeafe}.login-logo{width:100px!important;height:100px!important;object-fit:contain;margin:0 auto 12px;display:block}.preview-logo{width:100px!important;height:100px!important;object-fit:contain;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:6px;margin-bottom:12px}
@media(max-width:1000px){.app-shell{display:block}.sidebar{width:100%;min-width:0}.sidebar-logo-card{height:auto;padding:14px}.sidebar-menu{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}.main-area{display:block}.top-header{height:auto;min-height:150px;flex-wrap:wrap;padding:20px}.account-menu{margin-top:0}.content-area{padding:20px}.app-footer{height:auto;padding:20px;flex-wrap:wrap}.course-title{display:block}}
@media print{.sidebar,.top-header,.app-footer,.actions,button,.btn{display:none!important}.content-area{padding:0}.card{box-shadow:none;border:0}}

.footer-link{
  color:#f8fbff;
  font-weight:800;
  text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.55);
}
.footer-link:hover{color:#dbeafe;border-bottom-color:#dbeafe}
.about-hero{
  margin-top:18px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:14px;
  background:linear-gradient(135deg,#f8fbff,#eef6ff);
}
.about-icon{
  width:68px;
  height:68px;
  border-radius:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#dbeafe;
  font-size:34px;
}
.about-hero h2{margin:0 0 6px;color:#061733}
.about-hero p{margin:0;color:#355070}
.about-form input[readonly],
.about-form textarea[readonly]{
  background:#f8fafc;
  color:#0f172a;
  cursor:default;
}


/* Correcciones solicitadas: cursores y logos interactivos */
button,
a,
input[type="checkbox"],
input[type="radio"],
label,
select,
summary,
.menu-link,
.sidebar-menu a,
.account-button,
.account-dropdown a,
.tab-btn,
.btn,
.actions a,
.actions button,
.logo-zoom,
.icon-btn {
  cursor: pointer !important;
}

.sidebar-logo{
  width:100px!important;
  height:100px!important;
  max-width:100px!important;
  object-fit:contain!important;
  transition:transform .25s ease, box-shadow .25s ease;
}
.sidebar-logo-card{
  height:176px;
}
.header-institution-logo,
.preview-logo,
.logo-zoom{
  width:100px!important;
  height:100px!important;
  max-width:100px!important;
  max-height:100px!important;
  object-fit:contain!important;
  transition:transform .25s ease, box-shadow .25s ease;
}
.logo-zoom:hover{
  transform:scale(1.2);
  box-shadow:0 12px 26px rgba(6,27,54,.18);
  z-index:20;
}
.logo-modal{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(6,27,54,.72);
  z-index:99999;
  padding:24px;
}
.logo-modal.open{display:flex}
.logo-modal-content{
  position:relative;
  background:#fff;
  border-radius:18px;
  padding:28px;
  box-shadow:0 24px 70px rgba(0,0,0,.28);
}
.logo-modal-content img{
  width:150px!important;
  height:150px!important;
  object-fit:contain!important;
  display:block;
}
.logo-modal-close{
  position:absolute;
  top:-12px;
  right:-12px;
  width:34px;
  height:34px;
  border-radius:999px;
  border:0;
  background:#dc2626;
  color:#fff;
  font-weight:900;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 18px rgba(0,0,0,.18);
}

/* Ajustes finales solicitados */
.system-title{
  border-right:0!important;
  min-width:0!important;
  flex:1;
}
.system-title h1{
  text-transform:uppercase;
}
.system-title p{
  font-weight:600;
  color:#1d3760;
}
.sidebar-logo-card{
  min-height:176px;
}
.sidebar-logo,
.header-institution-logo,
.preview-logo,
.about-logo,
.about-hero-logo,
.logo-zoom{
  width:100px!important;
  height:100px!important;
  max-width:100px!important;
  max-height:100px!important;
  object-fit:contain!important;
  cursor:pointer!important;
  transition:transform .25s ease, box-shadow .25s ease, filter .25s ease!important;
}
.logo-zoom:hover{
  transform:scale(1.5)!important;
  box-shadow:0 18px 34px rgba(6,27,54,.22)!important;
  filter:brightness(1.02);
  z-index:1000;
  position:relative;
}
.logo-modal-content img{
  width:250px!important;
  height:250px!important;
  object-fit:contain!important;
  display:block;
}
.about-branding{
  display:flex;
  gap:24px;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
  margin:22px 0 10px;
}
.about-logo{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:8px;
  box-shadow:0 8px 18px rgba(6,27,54,.08);
}
.about-hero-logo{
  flex:0 0 100px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:6px;
}
input[type="checkbox"],
input[type="radio"],
input[type="file"],
button,
.btn,
a,
label,
select,
.menu-link,
.account-button,
.account-dropdown a,
.logo-modal-close{
  cursor:pointer!important;
}
.about-form input[readonly],
.about-form textarea[readonly]{
  cursor:default!important;
}