:root{
  --sna-green:#7DBA2F;
  --sna-green-dark:#5F9223;
  --sna-green-soft:#EEF6E5;
  --sna-graphite:#3F4649;
  --sna-gray:#6D7478;
  --sna-gray-2:#90979A;
  --sna-light:#F5F6F5;
  --sna-border:#DDE1DD;
  --sna-white:#FFFFFF;

  --bs-primary:#7DBA2F;
  --bs-primary-rgb:125,186,47;
  --bs-success:#5F9223;
  --bs-success-rgb:95,146,35;
}

html,body{min-height:100%}
body{
  background:var(--sna-light);
  color:#33383B;
  font-family:Segoe UI,Tahoma,Arial,sans-serif;
}
a{color:var(--sna-green-dark)}
a:hover{color:#466F18}

/* Navegación interior: blanca, como el sitio institucional */
.app-nav{
  background:#fff;
  border-bottom:4px solid var(--sna-green);
  box-shadow:0 2px 14px rgba(0,0,0,.08);
}
.app-nav .navbar-brand{
  display:flex;
  align-items:center;
  gap:14px;
  color:var(--sna-graphite)!important;
}
.app-nav .navbar-brand img{
  height:56px;
  width:auto;
  object-fit:contain;
}
.navbar-brand .brand-copy{
  line-height:1.08;
  font-weight:700;
}
.navbar-brand .brand-copy small{
  display:block;
  margin-top:3px;
  color:var(--sna-gray);
  font-size:.68rem;
  font-weight:500;
  letter-spacing:.02em;
}
.app-nav .nav-link{
  color:#454A4D!important;
  font-weight:500;
  border-radius:8px;
  padding:.55rem .8rem!important;
}
.app-nav .nav-link:hover,
.app-nav .nav-link:focus{
  color:var(--sna-green-dark)!important;
  background:var(--sna-green-soft);
}
.app-nav .logout-link{color:#6B6F72!important}
.app-nav .logout-link:hover{color:#333!important}
.app-nav .navbar-toggler{
  border-color:#C8CDCA;
}
.app-nav .navbar-toggler:focus{
  box-shadow:0 0 0 .2rem rgba(125,186,47,.18);
}

/* Cards */
.app-card{
  border:1px solid var(--sna-border);
  border-radius:16px;
  box-shadow:0 4px 18px rgba(0,0,0,.06);
  background:#fff;
}

/* Cabecera Dashboard */
.hero{
  position:relative;
  overflow:hidden;
  background:#fff;
  color:var(--sna-graphite);
  border:1px solid var(--sna-border);
  border-left:7px solid var(--sna-green);
  border-radius:18px;
  padding:30px;
  box-shadow:0 4px 18px rgba(0,0,0,.06);
}
.hero:after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  bottom:0;
  width:42%;
  background-image:
    linear-gradient(90deg,#fff 0%,rgba(255,255,255,.68) 28%,rgba(255,255,255,.10) 100%),
    url('img/tala1.png');
  background-position:center, center, center;
  background-size:cover, cover, cover;
  background-repeat:no-repeat;
  opacity:.78;
  pointer-events:none;
}
.hero>*{position:relative;z-index:1}
.hero small{color:var(--sna-gray)}
.hero h2{font-weight:700;color:var(--sna-graphite)}
.hero .bg-white{box-shadow:0 1px 8px rgba(0,0,0,.06)}
.hero .status-ok{border:1px solid rgba(95,146,35,.25)}
.hero .status-no{border:1px solid rgba(176,42,55,.18)}

/* Login / registro */
.login-bg{
  min-height:100vh;
  background-image:
    linear-gradient(rgba(40,45,43,.73),rgba(57,76,46,.78)),
    url('img/tala1.png');
  background-position:center, center, center;
  background-size:cover, cover, cover;
  background-repeat:no-repeat;
  background-attachment:fixed, fixed, fixed;
}
.login-card{
  max-width:470px;
  width:100%;
  border:1px solid rgba(255,255,255,.75);
  border-radius:20px;
  box-shadow:0 20px 65px rgba(0,0,0,.35);
  overflow:hidden;
  background:#fff;
}
.login-card .institutional-head{
  margin:-1.5rem -1.5rem 1.5rem;
  padding:24px;
  background:var(--sna-graphite);
  border-bottom:5px solid var(--sna-green);
  text-align:center;
}
.login-card .institutional-head img{
  height:74px;
  width:auto;
  max-width:100%;
  object-fit:contain;
}
.login-card .institutional-head h3{
  color:#fff;
  margin:.65rem 0 .1rem;
  font-weight:700;
}
.login-card .institutional-head p{
  color:#E1E5E2;
  margin:0;
}

/* Acciones */
.brand-icon{font-size:3rem;color:var(--sna-green)}
.gate-icon{font-size:5rem;color:var(--sna-green)}
.status-ok{color:var(--sna-green-dark)}
.status-no{color:#B02A37}
.schedule-row{
  display:flex;
  justify-content:space-between;
  padding:7px 0;
  border-bottom:1px solid #E8ECE8;
}

.btn-primary{
  --bs-btn-bg:var(--sna-green);
  --bs-btn-border-color:var(--sna-green);
  --bs-btn-hover-bg:var(--sna-green-dark);
  --bs-btn-hover-border-color:var(--sna-green-dark);
  --bs-btn-active-bg:var(--sna-green-dark);
  --bs-btn-active-border-color:var(--sna-green-dark);
  --bs-btn-disabled-bg:#A8C982;
  --bs-btn-disabled-border-color:#A8C982;
  color:#fff;
  font-weight:600;
}
.btn-outline-primary{
  --bs-btn-color:var(--sna-green-dark);
  --bs-btn-border-color:var(--sna-green);
  --bs-btn-hover-bg:var(--sna-green);
  --bs-btn-hover-border-color:var(--sna-green);
  --bs-btn-hover-color:#fff;
}
.btn-link{color:var(--sna-green-dark)}
.btn-link:hover{color:#466F18}

.badge.bg-secondary{
  background-color:#777D80!important;
}
.table thead th{
  color:var(--sna-graphite);
  border-bottom:2px solid var(--sna-green);
  background:#FAFBFA;
}
.table tbody tr:hover{background:#F8FBF5}
.form-control:focus,.form-select:focus{
  border-color:#9CCB63;
  box-shadow:0 0 0 .25rem rgba(125,186,47,.17);
}
.alert-info{
  --bs-alert-color:#3F5E25;
  --bs-alert-bg:#F0F7E9;
  --bs-alert-border-color:#CEE3B7;
}

/* Pie */
.institutional-footer{
  margin-top:38px;
  background:var(--sna-graphite);
  color:#F2F4F2;
  border-top:4px solid var(--sna-green);
  padding:20px 0;
}
.institutional-footer img{
  height:55px;
  width:auto;
  object-fit:contain;
}
.institutional-footer small{color:#CED3D0}
.sna-watermark{
  background:linear-gradient(135deg,#FAFCF8,#F0F5EC);
  border-left:5px solid var(--sna-green);
}

@media(max-width:991px){
  .app-nav .navbar-collapse{padding-top:12px}
}
@media(max-width:767px){
  .hero:after{width:100%;opacity:.12}
  .navbar-brand img{height:46px}
  .navbar-brand .brand-copy small{display:none}
  .login-bg{background-attachment:scroll}
}


/* -------------------------------------------------------------
   Complejo Educacional Ernesto Müller López - Talagante
   ------------------------------------------------------------- */
.school-name{
  color:var(--sna-graphite);
  font-weight:700;
  letter-spacing:.01em;
}
.school-location{
  color:var(--sna-gray);
  font-size:.82rem;
}
.school-specialties{
  display:flex;
  flex-wrap:wrap;
  gap:.45rem;
  margin-top:.65rem;
}
.school-specialty{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  background:var(--sna-green-soft);
  color:#466F18;
  border:1px solid #D4E7C0;
  border-radius:999px;
  padding:.28rem .62rem;
  font-size:.78rem;
  font-weight:600;
}
.school-strip{
  background:#fff;
  border:1px solid var(--sna-border);
  border-left:5px solid var(--sna-green);
  border-radius:12px;
  padding:12px 16px;
  margin-bottom:18px;
}
.login-school{
  margin-top:.7rem;
  color:#E7ECE8;
  font-size:.86rem;
  line-height:1.35;
}
.login-school strong{
  display:block;
  color:#fff;
  font-size:.98rem;
  margin-bottom:.15rem;
}
.institutional-footer .school-footer-name{
  color:#fff;
  font-weight:600;
}