/* ===== Identidad visual del curso ===== */
:root{
  --slate:#1B2D45; --bone:#F4EFE6; --salmon:#E9BAA8; --gray:#6B7280;
  --slateBg:#EBF0F5; --dark:#0F1E30; --white:#FFFFFF;
  --sidebar-w:250px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:'Inter',Calibri,Arial,sans-serif; font-size:14px; color:var(--slate);
  background:var(--bone); display:flex; min-height:100vh;
}
h1,h2,h3{font-family:'Cormorant Garamond',Georgia,serif; color:var(--slate); font-weight:600}

/* ---- Sidebar ---- */
#sidebar{
  width:var(--sidebar-w); min-width:var(--sidebar-w); background:var(--slate);
  color:var(--bone); position:fixed; top:0; left:0; bottom:0; overflow-y:auto;
  display:flex; flex-direction:column; z-index:100;
}
.sb-brand{padding:22px 18px 16px; border-bottom:1px solid rgba(244,239,230,.15)}
.sb-brand .curso{font-family:'Cormorant Garamond',serif; font-size:19px; font-weight:600; color:var(--bone); line-height:1.25}
.sb-brand .marca{font-size:10px; color:var(--salmon); letter-spacing:1.5px; text-transform:uppercase; margin-top:6px}
.sb-nav{flex:1; padding:14px 0; overflow-y:auto}
.sb-group-label{font-size:10px; letter-spacing:1.5px; text-transform:uppercase; color:rgba(244,239,230,.45); padding:14px 18px 6px}
.sb-link{
  display:block; padding:8px 18px; color:rgba(244,239,230,.75); text-decoration:none;
  font-size:13px; border-left:3px solid transparent;
}
.sb-link:hover{background:rgba(244,239,230,.06); color:var(--bone)}
.sb-link.active{border-left-color:var(--salmon); background:rgba(233,186,168,.1); color:var(--bone); font-weight:600}
.sb-foot{padding:14px 18px; font-size:10px; color:rgba(244,239,230,.4); border-top:1px solid rgba(244,239,230,.15)}

/* ---- Content ---- */
#content{margin-left:var(--sidebar-w); flex:1; padding:36px 44px 80px; max-width:900px}
.page-eyebrow{font-size:11px; letter-spacing:2px; text-transform:uppercase; color:var(--salmon); font-weight:600; margin-bottom:6px}
.page-title{font-size:30px; margin-bottom:8px}
.page-sub{color:var(--gray); font-size:14px; margin-bottom:28px; font-style:italic}

.card{background:var(--white); border:1px solid #E4DDD1; border-radius:8px; padding:22px 26px; margin-bottom:20px}
.card-info{background:var(--slateBg); border-left:4px solid var(--slate); border-radius:0 6px 6px 0; padding:14px 18px; margin-bottom:20px; font-size:13.5px}
.card-alert{background:var(--bone); border:1px solid var(--salmon); border-radius:6px; padding:14px 18px; margin-bottom:20px; font-size:13.5px}

.block-header{background:var(--slate); color:var(--bone); padding:9px 16px; border-radius:5px 5px 0 0; font-size:13px; font-weight:600; letter-spacing:.3px}
.block-body{background:var(--white); border:1px solid #E4DDD1; border-top:none; border-radius:0 0 5px 5px; padding:18px}

/* ---- Campos editables ---- */
[contenteditable=true]{
  outline:none; cursor:text; min-height:32px; border-radius:4px; padding:6px 8px;
  border:1px solid #DDD3C4; background:#FFFEFC; margin-top:6px;
}
[contenteditable=true]:focus{border-color:var(--slate); background:#fff}
[contenteditable=true]:empty:before{content:attr(data-placeholder); color:#A79E8F; font-style:italic}

/* ---- Botones ---- */
.btn{
  display:inline-block; border:none; border-radius:6px; padding:9px 18px; font-size:13px;
  font-weight:600; cursor:pointer; font-family:inherit; text-decoration:none;
}
.btn-primary{background:var(--slate); color:var(--bone)}
.btn-primary:hover{background:var(--dark)}
.btn-secondary{background:var(--salmon); color:var(--slate)}
.btn-ghost{background:transparent; border:1px solid var(--gray); color:var(--slate)}
.btn-row{display:flex; gap:10px; flex-wrap:wrap; margin:18px 0}

/* ---- Semana grid nav (mapa de módulos) ---- */
.semana-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(210px,1fr)); gap:14px}
.semana-card{display:block; text-decoration:none; background:var(--white); border:1px solid #E4DDD1; border-radius:8px; padding:14px 16px; transition:.15s}
.semana-card:hover{border-color:var(--slate); box-shadow:0 2px 10px rgba(27,45,69,.08)}
.semana-card .num{font-family:'Cormorant Garamond',serif; font-size:22px; color:var(--slate); font-weight:600}
.semana-card .tit{font-size:12.5px; color:var(--gray); margin-top:2px}
.semana-card .tag{display:inline-block; font-size:9.5px; text-transform:uppercase; letter-spacing:1px; margin-top:8px; padding:2px 8px; border-radius:10px; background:var(--slateBg); color:var(--slate)}
.semana-card .tag.eval{background:var(--salmon); color:var(--slate)}

/* ---- Prev/next semana ---- */
.week-nav{display:flex; justify-content:space-between; margin-top:36px; padding-top:16px; border-top:1px solid #E4DDD1}
.week-nav a{color:var(--slate); text-decoration:none; font-size:13px; font-weight:600}
.week-nav a:hover{color:var(--dark)}

/* ---- PIN gate ---- */
#pin-overlay{
  position:fixed; inset:0; background:var(--slate); display:flex; align-items:center;
  justify-content:center; z-index:1000;
}
#pin-box{background:var(--bone); border-radius:10px; padding:34px 38px; width:300px; text-align:center}
#pin-box h2{font-size:20px; margin-bottom:10px}
#pin-box p{font-size:12.5px; color:var(--gray); margin-bottom:16px}
#pin-input{width:100%; padding:10px; font-size:18px; text-align:center; letter-spacing:4px; border:1px solid #CBBFA8; border-radius:6px; margin-bottom:12px}
#pin-error{color:#B3452B; font-size:12px; min-height:16px; margin-bottom:8px}

footer.site-footer{margin-top:40px; padding-top:14px; border-top:1px solid #E4DDD1; font-size:11px; color:var(--gray); font-style:italic}

/* ---- Print ---- */
@media print{
  #sidebar, .btn-row, .no-print, #pin-overlay{display:none !important}
  #content{margin-left:0}
  body{background:#fff}
}