/* =========================================================
   RheinMembran — Schülerlabor (page specific)
   Requires main.css
   ========================================================= */

.lab-hero{
  margin-top: 8px;
}

.lab-hero-grid{
  display: grid;
  gap: 16px;
  align-items: start;
}

/* Desktop: intro + access side-by-side */
@media (min-width: 980px){
  .lab-hero-grid{
    grid-template-columns: 1.35fr 0.65fr;
    gap: 18px;
  }
}

.lab-badge{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(15,23,42,0.10);
  background: rgba(255,255,255,0.70);
  font-weight: 800;
  color: var(--navy);
  width: fit-content;
  margin-bottom: 10px;
}

.lab-lead{
  font-size: 1.05rem;
  color: var(--muted);
  margin-top: 10px;
}

.lab-highlights{
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

@media (min-width: 720px){
  .lab-highlights{
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
}

.lab-highlight{
  background: rgba(255,255,255,0.75);
  border: 1px solid rgba(15,23,42,0.10);
  border-radius: 16px;
  padding: 12px;
  box-shadow: var(--shadow-soft);
}

.lab-highlight-title{
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 4px;
}

.lab-highlight-text{
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------------------------------------------------------
   Access / Login panel (top notch)
   --------------------------------------------------------- */

.lab-access{
  position: relative;
}

.lab-access-inner{
  border-radius: var(--radius-xl);
  border: 1px solid rgba(15,23,42,0.10);
  background: rgba(255,255,255,0.92);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* subtle top gradient accent like modern enterprise UI */
.lab-access-inner::before{
  content: "";
  display: block;
  height: 5px;
  background: linear-gradient(135deg, var(--navy), var(--petrol));
}

/* padding */
.lab-access-head{
  padding: 14px 16px 10px;
}

.lab-access-title{
  font-weight: 900;
  color: var(--navy);
  font-size: 1.05rem;
}

.lab-access-sub{
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 4px;
}

.lab-access-state{
  margin: 10px 16px 0;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,0.12);
  background: rgba(15,23,42,0.04);
  color: var(--navy);
}

.lab-access-state.ok{
  border-color: rgba(31,111,122,0.25);
  background: rgba(31,111,122,0.08);
}

.lab-access-actions{
  padding: 12px 16px 16px;
  display: grid;
  gap: 10px;
}

/* 2-column buttons on wider screens */
@media (min-width: 520px){
  .lab-access-actions{
    grid-template-columns: 1fr 1fr;
  }
  .lab-access-actions a.btn{
    width: 100%;
    justify-content: center;
  }
}

/* Login form */
.lab-login{
  padding: 12px 16px 16px;
  display: grid;
  gap: 10px;
}

.lab-login .field label{
  font-weight: 800;
}

.lab-login input[type="password"]{
  border-radius: 14px;
}

.lab-login-row{
  display: grid;
  gap: 10px;
  align-items: center;
}

@media (min-width: 520px){
  .lab-login-row{
    grid-template-columns: 1fr 1fr;
  }
}

.lab-login-hint{
  color: var(--muted);
  font-size: 0.92rem;
}

.lab-login-note{
  color: var(--muted);
  font-size: 0.90rem;
  border-top: 1px solid rgba(15,23,42,0.08);
  padding-top: 10px;
}

/* ---------------------------------------------------------
   Content cards with images
   --------------------------------------------------------- */

.lab-cards{
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.lab-card{
  display: grid;
  gap: 12px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(15,23,42,0.10);
  background: rgba(255,255,255,0.92);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

@media (min-width: 900px){
  .lab-card{
    grid-template-columns: 0.9fr 1.1fr;
    align-items: stretch;
  }
}

.lab-card-media{
  position: relative;
  min-height: 180px;
  background: rgba(15,23,42,0.06);
}

.lab-card-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.lab-card-body{
  padding: 16px;
}

.lab-card-body h3{
  margin-top: 2px;
  margin-bottom: 8px;
}

/* ---------------------------------------------------------
   Steps / process
   --------------------------------------------------------- */

.lab-steps{
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

@media (min-width: 900px){
  .lab-steps{
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
}

.lab-step{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 12px 12px;
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,0.10);
  background: rgba(255,255,255,0.85);
  box-shadow: var(--shadow-soft);
}

.lab-step-num{
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  background: linear-gradient(135deg, var(--navy), var(--petrol));
  box-shadow: 0 10px 20px rgba(16,42,67,0.18);
}

.lab-step-title{
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 2px;
}

.lab-step-text{
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------------------------------------------------------
   Mobile polish
   --------------------------------------------------------- */

@media (max-width: 420px){
  .lab-lead{ font-size: 1.02rem; }
  .lab-card-body{ padding: 14px; }
  .lab-access-head{ padding: 12px 14px 10px; }
  .lab-login{ padding: 10px 14px 14px; }
}