/* ─── MODULE PAGE STYLES ─── */

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 48px;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.breadcrumb a:hover { color: var(--ink); }

.breadcrumb span { color: var(--border); }

.crumb-current { color: var(--ink); }

/* MODULE HERO */
.module-hero {
  margin-bottom: 52px;
}

.module-meta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.module-tag {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 3px 8px;
}

.module-meta-item {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.module-hero h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.module-hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.module-hero p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.85;
  max-width: 600px;
  letter-spacing: 0.02em;
}

/* MODULE BODY: TWO COLUMN */
.module-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 0;
  border-top: 1px solid var(--border);
  flex: 1;
  align-items: start;
}

/* LESSONS COLUMN */
.module-lessons {
  border-right: 1px solid var(--border);
  padding: 32px 32px 32px 0;
}

.section-label {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
}

.lesson-group {
  margin-bottom: 40px;
}

.lesson-group-title {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.lesson-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: padding-left 0.1s, background 0.1s;
}

.lesson-item:last-child { border-bottom: none; }

.lesson-item:not(.locked):hover {
  padding-left: 8px;
}

.lesson-item.locked {
  opacity: 0.45;
  cursor: default;
}

.lesson-num {
  font-size: 0.62rem;
  color: var(--muted);
  min-width: 22px;
  padding-top: 3px;
  flex-shrink: 0;
}

.lesson-info {
  flex: 1;
}

.lesson-name {
  font-size: 0.9rem;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-bottom: 5px;
  font-weight: 600;
}

.lesson-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
  letter-spacing: 0.01em;
}

.lesson-status {
  font-size: 0.9rem;
  flex-shrink: 0;
  padding-top: 3px;
}

.lesson-status.done { color: #2a7a3b; }
.lesson-status.lock { color: var(--border); }

/* SIDEBAR */
.module-sidebar {
  padding: 32px 0 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sidebar-card {
  border-bottom: 1px solid var(--border);
  padding-bottom: 28px;
  margin-bottom: 28px;
}

.sidebar-card:last-of-type {
  border-bottom: 1px solid var(--border);
}

.sidebar-card-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

/* LESSON LINKS */
.lesson-link,
.lesson-link:hover,
.lesson-link:active,
.lesson-link:focus {
  text-decoration: none !important;
  color: inherit;
  display: block;
  margin-bottom: 10px;
  outline: none;
}

/* SIDEBAR LIST */
.sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-list li {
  font-size: 0.8rem;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.5;
  padding-left: 14px;
  position: relative;
}

.sidebar-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.65rem;
}

/* SIDEBAR NOTE */
.sidebar-note {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.7;
  letter-spacing: 0.02em;
}

/* NEXT MODULE LINK */
.sidebar-next {
  display: block;
  border: 1px solid var(--border);
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
  margin-top: 4px;
}

.sidebar-next:hover { background: #e8e5de; }

.sidebar-next-label {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.sidebar-next-title {
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .module-body {
    grid-template-columns: 1fr;
  }

  .module-lessons {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 28px 0;
  }

  .module-sidebar {
    padding: 28px 0;
  }

  .module-hero h1 {
    font-size: clamp(2.4rem, 10vw, 4rem);
  }
}

@media (max-width: 480px) {
  .breadcrumb {
    font-size: 0.62rem;
    gap: 7px;
    margin-bottom: 32px;
  }

  .module-hero h1 {
    font-size: clamp(2.2rem, 12vw, 3.5rem);
  }

  .module-hero p {
    font-size: 0.9rem;
  }

  .lesson-name {
    font-size: 0.9rem;
  }

  .lesson-desc {
    font-size: 0.9rem;
  }

  .module-meta-row {
    gap: 12px;
  }
}