/* ============================================================
   tutorial-card.css — cartonaș explicativ simplu (vezi tutorial-card.js)
   Culorile folosesc var(--primary-color)/var(--surface) etc. cu fallback-uri,
   ca să se adapteze automat la tema materiei (emerald la biologie, cyan la
   chimie) pe orice pagină unde e inclus.
   ============================================================ */

.tut-overlay{
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(4,8,14,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity .18s ease;
}
.tut-overlay.tut-open{ opacity: 1; }

.tut-card{
  width: 100%;
  max-width: 380px;
  background: var(--surface, #151b20);
  border: 1px solid var(--border, rgba(255,255,255,.12));
  border-radius: 18px;
  padding: 26px 24px 22px;
  text-align: center;
  color: var(--text, #eef2f5);
  box-shadow: 0 30px 70px rgba(0,0,0,.5);
  transform: scale(.94) translateY(6px);
  transition: transform .18s ease;
}
.tut-overlay.tut-open .tut-card{ transform: scale(1) translateY(0); }

.tut-icon{ font-size: 2.4rem; margin-bottom: 8px; }
.tut-titlu{ font-family: var(--font-display, inherit); font-weight: 800; font-size: 1.3rem; margin-bottom: 12px; }
.tut-corp{ font-size: 1.05rem; line-height: 1.6; color: var(--text-dim, rgba(255,255,255,.7)); margin-bottom: 20px; }
.tut-corp strong{ color: var(--primary-color, #4ADE80); }

.tut-ok{
  background: var(--primary-color, #4ADE80);
  color: var(--ink, #0d1114);
  border: none;
  border-radius: 999px;
  padding: 11px 28px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform .15s ease, opacity .15s ease;
}
.tut-ok:hover{ transform: translateY(-1px); opacity: .92; }