/* ============================================================
   tutorials.css — estilos específicos de videotutorials.html
   (.back-link, .hero-subpage y .subpage-count están en styles.css)
   ============================================================ */

/* ── Barra de filtros ─────────────────────────────────────── */

.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
  font-family: inherit;
}

.filter-btn:hover {
  border-color: var(--primary-2);
  color: var(--primary-2);
}

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

.filter-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 8px;
  opacity: 0.7;
}

.filter-btn.active .filter-dot {
  opacity: 1;
}

/* Colores de los puntos por filtro */
[data-filter="color"] .filter-dot {
  background: #0b5ed7;
}

[data-filter="mono"] .filter-dot {
  background: #6b7280;
}

/* ── Grid de tarjetas de tutorial ────────────────────────── */

.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.tutorial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.tutorial-card:hover {
  transform: translateY(-3px);
  border-color: #a9c3ef;
}

.tutorial-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

/* Badge de tipo de equipo */
.tutorial-model-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex: 0 0 auto;
}

.tutorial-model-badge.color {
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid #cfe0ff;
}

.tutorial-model-badge.mono {
  background: #f0f2f5;
  color: #374151;
  border: 1px solid #d1d9e0;
}

/* Icono de reproducción */
.play-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-soft);
  border: 1px solid #cfe0ff;
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 1rem;
  flex: 0 0 44px;
}

/* Cuerpo de la tarjeta */
.tutorial-card-body {
  flex: 1;
}

.tutorial-model-name {
  margin: 0 0 6px;
  font-size: 1.18rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
}

.tutorial-course-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 4px;
}

.tutorial-course-name {
  font-size: 0.96rem;
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
}

/* Nota de tutorial compartido */
.tutorial-shared-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--muted);
  background: #f8f9fb;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 5px 10px;
  margin-top: 8px;
}

/* Footer de la tarjeta */
.tutorial-card-footer {
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.btn-tutorial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.93rem;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  min-height: 46px;
  text-decoration: none;
  font-family: inherit;
}

.btn-tutorial:hover {
  background: var(--primary-2);
  text-decoration: none;
  transform: translateY(-1px);
  color: #fff;
}

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 1080px) {
  .tutorial-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (max-width: 760px) {
  .tutorial-grid {
    grid-template-columns: 1fr;
  }

  .tutorial-card {
    padding: 20px;
  }

  .filter-btn {
    padding: 8px 14px;
    font-size: 0.84rem;
  }
}

@media (max-width: 420px) {
  .filter-bar {
    gap: 8px;
  }

  .filter-btn {
    padding: 7px 12px;
    font-size: 0.82rem;
  }

  .tutorial-card {
    padding: 16px;
    border-radius: 20px;
    gap: 14px;
  }

  .tutorial-model-name {
    font-size: 1.08rem;
  }
}