/* =========================================================
   SecureTheCloud — Labs Page Styling
   STC-CORE-DS v1.0
   Mobile-first
========================================================= */

/* =========================
   LABS LAYOUT
========================= */

.labs {
  padding-top: var(--sp-7);
  padding-bottom: var(--sp-7);
}

/* =========================
   HEADER
========================= */

.labs-header {
  margin-bottom: var(--sp-6);
}

.labs-header h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.labs-header p {
  max-width: 42rem;
  color: var(--text-muted);
}

/* =========================
   FILTERS (MOBILE FIRST)
========================= */

.labs-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--sp-6);
}

.labs-filters button,
.labs-filters select {
  font-size: 0.9rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
}

/* =========================
   LAB GRID (MOBILE)
========================= */

.labs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

/* =========================
   LAB CARD
========================= */

.lab-card {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.25rem;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.lab-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.lab-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* CTA inside card */
.lab-card a {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  background-color: var(--accent-primary);
  color: #fff;
  text-decoration: none;
}

/* =========================
   HOVER (DESKTOP ONLY)
========================= */

@media (hover: hover) {
  .lab-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
  }
}

/* =========================
   TABLET (≥ 640px)
========================= */

@media (min-width: 640px) {
  .labs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =========================
   DESKTOP (≥ 1024px)
========================= */

@media (min-width: 1024px) {
  .labs-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .labs-header h1 {
    font-size: 2.25rem;
  }
}

/* =========================
   LAB CARD HIERARCHY
========================= */

/* Title */
.lab-card h3,
.lab-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* Meta tags row */
.lab-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

/* Tag base */
.lab-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background-color: #f1f5f9;
  color: #0f172a;
}

/* Cloud-specific tags (optional but nice) */
.lab-tag.aws {
  background-color: #fff7ed;
  color: #9a3412;
}

.lab-tag.azure {
  background-color: #eff6ff;
  color: #1d4ed8;
}

.lab-tag.gcp {
  background-color: #f0fdf4;
  color: #166534;
}

/* Level emphasis */
.lab-tag.level {
  background-color: #e5e7eb;
  color: #111827;
}

/* Summary text */
.lab-summary {
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}

/* CTA */
.lab-cta {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.45rem 0.7rem;
  border-radius: 0.375rem;
  background-color: var(--accent-primary);
  color: #fff;
}

/* =========================
   FILTER ACTIVE STATE
========================= */

.filter-btn.active {
  background-color: var(--accent-primary);
  color: #fff;
}

/* =========================
   SORT CONTROLS
========================= */

.sort-btn {
  font-size: 0.85rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background-color: #f1f5f9;
  color: #0f172a;
  border: none;
}

.sort-btn.active {
  background-color: var(--accent-primary);
  color: #fff;
}

/* =========================
   ESTIMATED TIME BADGE
========================= */

.lab-tag.time {
  background-color: #ecfeff;
  color: #155e75;
  font-weight: 600;
}

/* =========================
   LAB DETAIL HEADER
========================= */

.lab-hero {
  padding: 3rem 1.5rem 2.5rem;
  background-color: #0b0f14;
  color: #f9fafb;
}

.lab-hero h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.lab-hero p {
  max-width: 42rem;
  font-size: 0.95rem;
  color: #e5e7eb;
  margin-bottom: 0.75rem;
}

.lab-start-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.6rem 0.9rem;
  border-radius: 0.375rem;
  background-color: var(--accent-primary);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}

@media (min-width: 768px) {
  .lab-hero h1 {
    font-size: 2.1rem;
  }
}

/* =========================
   LAB DETAIL SECTIONS
========================= */

.lab-section {
  padding: 2.5rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.lab-section h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.lab-section ul {
  padding-left: 1.25rem;
}

.lab-section li {
  margin-bottom: 0.5rem;
}